diff options
Diffstat (limited to 'drivers/usb')
255 files changed, 6023 insertions, 4975 deletions
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 791f11bed606..75823a1abeb6 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -48,6 +48,7 @@ config USB_ARCH_HAS_OHCI default y if ARCH_DAVINCI_DA8XX default y if ARCH_CNS3XXX default y if PLAT_SPEAR + default y if ARCH_EXYNOS # PPC: default y if STB03xxx default y if PPC_MPC52xx diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 75eca7645227..53a7bc07dd8d 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -6,6 +6,8 @@ obj-$(CONFIG_USB) += core/ +obj-$(CONFIG_USB_OTG_UTILS) += otg/ + obj-$(CONFIG_USB_DWC3) += dwc3/ obj-$(CONFIG_USB_MON) += mon/ @@ -51,7 +53,6 @@ obj-$(CONFIG_USB_SPEEDTOUCH) += atm/ obj-$(CONFIG_USB_MUSB_HDRC) += musb/ obj-$(CONFIG_USB_RENESAS_USBHS) += renesas_usbhs/ -obj-$(CONFIG_USB_OTG_UTILS) += otg/ obj-$(CONFIG_USB_GADGET) += gadget/ obj-$(CONFIG_USB_COMMON) += usb-common.o diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index a845f8b8382f..98b89fe19867 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -1372,18 +1372,7 @@ static struct usb_driver cxacru_usb_driver = { .id_table = cxacru_usb_ids }; -static int __init cxacru_init(void) -{ - return usb_register(&cxacru_usb_driver); -} - -static void __exit cxacru_cleanup(void) -{ - usb_deregister(&cxacru_usb_driver); -} - -module_init(cxacru_init); -module_exit(cxacru_cleanup); +module_usb_driver(cxacru_usb_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c index 0842cfbf60cf..98dd9e49b684 100644 --- a/drivers/usb/atm/speedtch.c +++ b/drivers/usb/atm/speedtch.c @@ -73,9 +73,9 @@ static const char speedtch_driver_name[] = "speedtch"; #define DEFAULT_SW_BUFFERING 0 static unsigned int altsetting = 0; /* zero means: use the default */ -static int dl_512_first = DEFAULT_DL_512_FIRST; -static int enable_isoc = DEFAULT_ENABLE_ISOC; -static int sw_buffering = DEFAULT_SW_BUFFERING; +static bool dl_512_first = DEFAULT_DL_512_FIRST; +static bool enable_isoc = DEFAULT_ENABLE_ISOC; +static bool sw_buffering = DEFAULT_SW_BUFFERING; #define DEFAULT_B_MAX_DSL 8128 #define DEFAULT_MODEM_MODE 11 @@ -953,22 +953,7 @@ static int speedtch_usb_probe(struct usb_interface *intf, const struct usb_devic return usbatm_usb_probe(intf, id, &speedtch_usbatm_driver); } -static int __init speedtch_usb_init(void) -{ - dbg("%s: driver version %s", __func__, DRIVER_VERSION); - - return usb_register(&speedtch_usb_driver); -} - -static void __exit speedtch_usb_cleanup(void) -{ - dbg("%s", __func__); - - usb_deregister(&speedtch_usb_driver); -} - -module_init(speedtch_usb_init); -module_exit(speedtch_usb_cleanup); +module_usb_driver(speedtch_usb_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c index 428f36801e06..01ea5d7421d4 100644 --- a/drivers/usb/atm/ueagle-atm.c +++ b/drivers/usb/atm/ueagle-atm.c @@ -542,7 +542,7 @@ static int modem_index; static unsigned int debug; static unsigned int altsetting[NB_MODEM] = { [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF}; -static int sync_wait[NB_MODEM]; +static bool sync_wait[NB_MODEM]; static char *cmv_file[NB_MODEM]; static int annex[NB_MODEM]; @@ -2753,36 +2753,7 @@ static struct usb_driver uea_driver = { MODULE_DEVICE_TABLE(usb, uea_ids); -/** - * uea_init - Initialize the module. - * Register to USB subsystem - */ -static int __init uea_init(void) -{ - printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n"); - - usb_register(&uea_driver); - - return 0; -} - -module_init(uea_init); - -/** - * uea_exit - Destroy module - * Deregister with USB subsystem - */ -static void __exit uea_exit(void) -{ - /* - * This calls automatically the uea_disconnect method if necessary: - */ - usb_deregister(&uea_driver); - - printk(KERN_INFO "[ueagle-atm] driver unloaded\n"); -} - -module_exit(uea_exit); +module_usb_driver(uea_driver); MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka"); MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver"); diff --git a/drivers/usb/c67x00/c67x00-drv.c b/drivers/usb/c67x00/c67x00-drv.c index 57ae44cd0b88..6f3b6e267398 100644 --- a/drivers/usb/c67x00/c67x00-drv.c +++ b/drivers/usb/c67x00/c67x00-drv.c @@ -225,21 +225,10 @@ static struct platform_driver c67x00_driver = { .name = "c67x00", }, }; -MODULE_ALIAS("platform:c67x00"); - -static int __init c67x00_init(void) -{ - return platform_driver_register(&c67x00_driver); -} -static void __exit c67x00_exit(void) -{ - platform_driver_unregister(&c67x00_driver); -} - -module_init(c67x00_init); -module_exit(c67x00_exit); +module_platform_driver(c67x00_driver); MODULE_AUTHOR("Peter Korsgaard, Jan Veldeman, Grant Likely"); MODULE_DESCRIPTION("Cypress C67X00 USB Controller Driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:c67x00"); diff --git a/drivers/usb/c67x00/c67x00-hcd.c b/drivers/usb/c67x00/c67x00-hcd.c index d3e1356d091e..75e47b860a53 100644 --- a/drivers/usb/c67x00/c67x00-hcd.c +++ b/drivers/usb/c67x00/c67x00-hcd.c @@ -271,7 +271,6 @@ static void c67x00_hcd_irq(struct c67x00_sie *sie, u16 int_status, u16 msg) if (int_status & SOFEOP_FLG(sie->sie_num)) { c67x00_ll_usb_clear_status(sie, SOF_EOP_IRQ_FLG); c67x00_sched_kick(c67x00); - set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); } } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 6960715c5063..9543b19d410c 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -58,12 +58,62 @@ static struct usb_driver acm_driver; static struct tty_driver *acm_tty_driver; static struct acm *acm_table[ACM_TTY_MINORS]; -static DEFINE_MUTEX(open_mutex); +static DEFINE_MUTEX(acm_table_lock); -#define ACM_READY(acm) (acm && acm->dev && acm->port.count) +/* + * acm_table accessors + */ -static const struct tty_port_operations acm_port_ops = { -}; +/* + * Look up an ACM structure by index. If found and not disconnected, increment + * its refcount and return it with its mutex held. + */ +static struct acm *acm_get_by_index(unsigned index) +{ + struct acm *acm; + + mutex_lock(&acm_table_lock); + acm = acm_table[index]; + if (acm) { + mutex_lock(&acm->mutex); + if (acm->disconnected) { + mutex_unlock(&acm->mutex); + acm = NULL; + } else { + tty_port_get(&acm->port); + mutex_unlock(&acm->mutex); + } + } + mutex_unlock(&acm_table_lock); + return acm; +} + +/* + * Try to find an available minor number and if found, associate it with 'acm'. + */ +static int acm_alloc_minor(struct acm *acm) +{ + int minor; + + mutex_lock(&acm_table_lock); + for (minor = 0; minor < ACM_TTY_MINORS; minor++) { + if (!acm_table[minor]) { + acm_table[minor] = acm; + break; + } + } + mutex_unlock(&acm_table_lock); + + return minor; +} + +/* Release the minor number associated with 'acm'. */ +static void acm_release_minor(struct acm *acm) +{ + mutex_lock(&acm_table_lock); + acm_table[acm->minor] = NULL; + mutex_unlock(&acm_table_lock); +} /* * Functions for ACM control messages. @@ -267,9 +317,6 @@ static void acm_ctrl_irq(struct urb *urb) goto exit; } - if (!ACM_READY(acm)) - goto exit; - usb_mark_last_busy(acm->dev); data = (unsigned char *)(dr + 1); @@ -429,8 +476,7 @@ static void acm_write_bulk(struct urb *urb) spin_lock_irqsave(&acm->write_lock, flags); acm_write_done(acm, wb); spin_unlock_irqrestore(&acm->write_lock, flags); - if (ACM_READY(acm)) - schedule_work(&acm->work); + schedule_work(&acm->work); } static void acm_softint(struct work_struct *work) @@ -440,8 +486,6 @@ static void acm_softint(struct work_struct *work) dev_vdbg(&acm->data->dev, "%s\n", __func__); - if (!ACM_READY(acm)) - return; tty = tty_port_tty_get(&acm->port); if (!tty) return; @@ -453,94 +497,122 @@ static void acm_softint(struct work_struct *work) * TTY handlers */ -static int acm_tty_open(struct tty_struct *tty, struct file *filp) +static int acm_tty_install(struct tty_driver *driver, struct tty_struct *tty) { struct acm *acm; - int rv = -ENODEV; - - mutex_lock(&open_mutex); + int retval; - acm = acm_table[tty->index]; - if (!acm || !acm->dev) - goto out; - else - rv = 0; + dev_dbg(tty->dev, "%s\n", __func__); - dev_dbg(&acm->control->dev, "%s\n", __func__); + acm = acm_get_by_index(tty->index); + if (!acm) + return -ENODEV; - set_bit(TTY_NO_WRITE_SPLIT, &tty->flags); + retval = tty_init_termios(tty); + if (retval) + goto error_init_termios; tty->driver_data = acm; - tty_port_tty_set(&acm->port, tty); - if (usb_autopm_get_interface(acm->control) < 0) - goto early_bail; - else - acm->control->needs_remote_wakeup = 1; + /* Final install (we use the default method) */ + tty_driver_kref_get(driver); + tty->count++; + driver->ttys[tty->index] = tty; + + return 0; + +error_init_termios: + tty_port_put(&acm->port); + return retval; +} + +static int acm_tty_open(struct tty_struct *tty, struct file *filp) +{ + struct acm *acm = tty->driver_data; + + dev_dbg(tty->dev, "%s\n", __func__); + + return tty_port_open(&acm->port, tty, filp); +} + +static int acm_port_activate(struct tty_port *port, struct tty_struct *tty) +{ + struct acm *acm = container_of(port, struct acm, port); + int retval = -ENODEV; + + dev_dbg(&acm->control->dev, "%s\n", __func__); mutex_lock(&acm->mutex); - if (acm->port.count++) { - mutex_unlock(&acm->mutex); - usb_autopm_put_interface(acm->control); - goto out; - } + if (acm->disconnected) + goto disconnected; + + retval = usb_autopm_get_interface(acm->control); + if (retval) + goto error_get_interface; + + /* + * FIXME: Why do we need this? Allocating 64K of physically contiguous + * memory is really nasty... + */ + set_bit(TTY_NO_WRITE_SPLIT, &tty->flags); + acm->control->needs_remote_wakeup = 1; acm->ctrlurb->dev = acm->dev; if (usb_submit_urb(acm->ctrlurb, GFP_KERNEL)) { dev_err(&acm->control->dev, "%s - usb_submit_urb(ctrl irq) failed\n", __func__); - goto bail_out; + goto error_submit_urb; } - if (0 > acm_set_control(acm, acm->ctrlout = ACM_CTRL_DTR | ACM_CTRL_RTS) && + acm->ctrlout = ACM_CTRL_DTR | ACM_CTRL_RTS; + if (acm_set_control(acm, acm->ctrlout) < 0 && (acm->ctrl_caps & USB_CDC_CAP_LINE)) - goto bail_out; + goto error_set_control; usb_autopm_put_interface(acm->control); if (acm_submit_read_urbs(acm, GFP_KERNEL)) - goto bail_out; - - set_bit(ASYNCB_INITIALIZED, &acm->port.flags); - rv = tty_port_block_til_ready(&acm->port, tty, filp); + goto error_submit_read_urbs; mutex_unlock(&acm->mutex); -out: - mutex_unlock(&open_mutex); - return rv; -bail_out: - acm->port.count--; - mutex_unlock(&acm->mutex); + return 0; + +error_submit_read_urbs: + acm->ctrlout = 0; + acm_set_control(acm, acm->ctrlout); +error_set_control: + usb_kill_urb(acm->ctrlurb); +error_submit_urb: usb_autopm_put_interface(acm->control); -early_bail: - mutex_unlock(&open_mutex); - tty_port_tty_set(&acm->port, NULL); - return -EIO; +error_get_interface: +disconnected: + mutex_unlock(&acm->mutex); + return retval; } -static void acm_tty_unregister(struct acm *acm) +static void acm_port_destruct(struct tty_port *port) { - int i; + struct acm *acm = container_of(port, struct acm, port); + + dev_dbg(&acm->control->dev, "%s\n", __func__); tty_unregister_device(acm_tty_driver, acm->minor); + acm_release_minor(acm); usb_put_intf(acm->control); - acm_table[acm->minor] = NULL; - usb_free_urb(acm->ctrlurb); - for (i = 0; i < ACM_NW; i++) - usb_free_urb(acm->wb[i].urb); - for (i = 0; i < acm->rx_buflimit; i++) - usb_free_urb(acm->read_urbs[i]); kfree(acm->country_codes); kfree(acm); } -static void acm_port_down(struct acm *acm) +static void acm_port_shutdown(struct tty_port *port) { + struct acm *acm = container_of(port, struct acm, port); int i; - mutex_lock(&open_mutex); - if (acm->dev) { + dev_dbg(&acm->control->dev, "%s\n", __func__); + + mutex_lock(&acm->mutex); + if (!acm->disconnected) { usb_autopm_get_interface(acm->control); acm_set_control(acm, acm->ctrlout = 0); usb_kill_urb(acm->ctrlurb); @@ -551,37 +623,28 @@ static void acm_port_down(struct acm *acm) acm->control->needs_remote_wakeup = 0; usb_autopm_put_interface(acm->control); } - mutex_unlock(&open_mutex); + mutex_unlock(&acm->mutex); +} + +static void acm_tty_cleanup(struct tty_struct *tty) +{ + struct acm *acm = tty->driver_data; + dev_dbg(&acm->control->dev, "%s\n", __func__); + tty_port_put(&acm->port); } static void acm_tty_hangup(struct tty_struct *tty) { struct acm *acm = tty->driver_data; + dev_dbg(&acm->control->dev, "%s\n", __func__); tty_port_hangup(&acm->port); - acm_port_down(acm); } static void acm_tty_close(struct tty_struct *tty, struct file *filp) { struct acm *acm = tty->driver_data; - - /* Perform the closing process and see if we need to do the hardware - shutdown */ - if (!acm) - return; - if (tty_port_close_start(&acm->port, tty, filp) == 0) { - mutex_lock(&open_mutex); - if (!acm->dev) { - tty_port_tty_set(&acm->port, NULL); - acm_tty_unregister(acm); - tty->driver_data = NULL; - } - mutex_unlock(&open_mutex); - return; - } - acm_port_down(acm); - tty_port_close_end(&acm->port, tty); - tty_port_tty_set(&acm->port, NULL); + dev_dbg(&acm->control->dev, "%s\n", __func__); + tty_port_close(&acm->port, tty, filp); } static int acm_tty_write(struct tty_struct *tty, @@ -593,8 +656,6 @@ static int acm_tty_write(struct tty_struct *tty, int wbn; struct acm_wb *wb; - if (!ACM_READY(acm)) - return -EINVAL; if (!count) return 0; @@ -623,8 +684,6 @@ static int acm_tty_write(struct tty_struct *tty, static int acm_tty_write_room(struct tty_struct *tty) { struct acm *acm = tty->driver_data; - if (!ACM_READY(acm)) - return -EINVAL; /* * Do not let the line discipline to know that we have a reserve, * or it might get too enthusiastic. @@ -635,7 +694,11 @@ static int acm_tty_write_room(struct tty_struct *tty) static int acm_tty_chars_in_buffer(struct tty_struct *tty) { struct acm *acm = tty->driver_data; - if (!ACM_READY(acm)) + /* + * if the device was unplugged then any remaining characters fell out + * of the connector ;) + */ + if (acm->disconnected) return 0; /* * This is inaccurate (overcounts), but it works. @@ -647,9 +710,6 @@ static void acm_tty_throttle(struct tty_struct *tty) { struct acm *acm = tty->driver_data; - if (!ACM_READY(acm)) - return; - spin_lock_irq(&acm->read_lock); acm->throttle_req = 1; spin_unlock_irq(&acm->read_lock); @@ -660,9 +720,6 @@ static void acm_tty_unthrottle(struct tty_struct *tty) struct acm *acm = tty->driver_data; unsigned int was_throttled; - if (!ACM_READY(acm)) - return; - spin_lock_irq(&acm->read_lock); was_throttled = acm->throttled; acm->throttled = 0; @@ -677,8 +734,7 @@ static int acm_tty_break_ctl(struct tty_struct *tty, int state) { struct acm *acm = tty->driver_data; int retval; - if (!ACM_READY(acm)) - return -EINVAL; + retval = acm_send_break(acm, state ? 0xffff : 0); if (retval < 0) dev_dbg(&acm->control->dev, "%s - send break failed\n", @@ -690,9 +746,6 @@ static int acm_tty_tiocmget(struct tty_struct *tty) { struct acm *acm = tty->driver_data; - if (!ACM_READY(acm)) - return -EINVAL; - return (acm->ctrlout & ACM_CTRL_DTR ? TIOCM_DTR : 0) | (acm->ctrlout & ACM_CTRL_RTS ? TIOCM_RTS : 0) | (acm->ctrlin & ACM_CTRL_DSR ? TIOCM_DSR : 0) | @@ -707,9 +760,6 @@ static int acm_tty_tiocmset(struct tty_struct *tty, struct acm *acm = tty->driver_data; unsigned int newctrl; - if (!ACM_READY(acm)) - return -EINVAL; - newctrl = acm->ctrlout; set = (set & TIOCM_DTR ? ACM_CTRL_DTR : 0) | (set & TIOCM_RTS ? ACM_CTRL_RTS : 0); @@ -726,11 +776,6 @@ static int acm_tty_tiocmset(struct tty_struct *tty, static int acm_tty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { - struct acm *acm = tty->driver_data; - - if (!ACM_READY(acm)) - return -EINVAL; - return -ENOIOCTLCMD; } @@ -754,9 +799,6 @@ static void acm_tty_set_termios(struct tty_struct *tty, struct usb_cdc_line_coding newline; int newctrl = acm->ctrlout; - if (!ACM_READY(acm)) - return; - newline.dwDTERate = cpu_to_le32(tty_get_baud_rate(tty)); newline.bCharFormat = termios->c_cflag & CSTOPB ? 2 : 0; newline.bParityType = termios->c_cflag & PARENB ? @@ -786,6 +828,12 @@ static void acm_tty_set_termios(struct tty_struct *tty, } } +static const struct tty_port_operations acm_port_ops = { + .shutdown = acm_port_shutdown, + .activate = acm_port_activate, + .destruct = acm_port_destruct, +}; + /* * USB probe and disconnect routines. */ @@ -1045,12 +1093,6 @@ skip_normal_probe: } made_compressed_probe: dev_dbg(&intf->dev, "interfaces are valid\n"); - for (minor = 0; minor < ACM_TTY_MINORS && acm_table[minor]; minor++); - - if (minor == ACM_TTY_MINORS) { - dev_err(&intf->dev, "no more free acm devices\n"); - return -ENODEV; - } acm = kzalloc(sizeof(struct acm), GFP_KERNEL); if (acm == NULL) { @@ -1058,6 +1100,13 @@ made_compressed_probe: goto alloc_fail; } + minor = acm_alloc_minor(acm); + if (minor == ACM_TTY_MINORS) { + dev_err(&intf->dev, "no more free acm devices\n"); + kfree(acm); + return -ENODEV; + } + ctrlsize = usb_endpoint_maxp(epctrl); readsize = usb_endpoint_maxp(epread) * (quirks == SINGLE_RX_URB ? 1 : 2); @@ -1181,6 +1230,8 @@ made_compressed_probe: i = device_create_file(&intf->dev, &dev_attr_wCountryCodes); if (i < 0) { kfree(acm->country_codes); + acm->country_codes = NULL; + acm->country_code_size = 0; goto skip_countries; } @@ -1189,6 +1240,8 @@ made_compressed_probe: if (i < 0) { device_remove_file(&intf->dev, &dev_attr_wCountryCodes); kfree(acm->country_codes); + acm->country_codes = NULL; + acm->country_code_size = 0; goto skip_countries; } } @@ -1216,8 +1269,6 @@ skip_countries: usb_get_intf(control_interface); tty_register_device(acm_tty_driver, minor, &control_interface->dev); - acm_table[minor] = acm; - return 0; alloc_fail7: for (i = 0; i < ACM_NW; i++) @@ -1232,6 +1283,7 @@ alloc_fail5: alloc_fail4: usb_free_coherent(usb_dev, ctrlsize, acm->ctrl_buffer, acm->ctrl_dma); alloc_fail2: + acm_release_minor(acm); kfree(acm); alloc_fail: return -ENOMEM; @@ -1257,12 +1309,16 @@ static void acm_disconnect(struct usb_interface *intf) struct acm *acm = usb_get_intfdata(intf); struct usb_device *usb_dev = interface_to_usbdev(intf); struct tty_struct *tty; + int i; + + dev_dbg(&intf->dev, "%s\n", __func__); /* sibling interface is already cleaning up */ if (!acm) return; - mutex_lock(&open_mutex); + mutex_lock(&acm->mutex); + acm->disconnected = true; if (acm->country_codes) { device_remove_file(&acm->control->dev, &dev_attr_wCountryCodes); @@ -1270,33 +1326,32 @@ static void acm_disconnect(struct usb_interface *intf) &dev_attr_iCountryCodeRelDate); } device_remove_file(&acm->control->dev, &dev_attr_bmCapabilities); - acm->dev = NULL; usb_set_intfdata(acm->control, NULL); usb_set_intfdata(acm->data, NULL); + mutex_unlock(&acm->mutex); + + tty = tty_port_tty_get(&acm->port); + if (tty) { + tty_vhangup(tty); + tty_kref_put(tty); + } stop_data_traffic(acm); + usb_free_urb(acm->ctrlurb); + for (i = 0; i < ACM_NW; i++) + usb_free_urb(acm->wb[i].urb); + for (i = 0; i < acm->rx_buflimit; i++) + usb_free_urb(acm->read_urbs[i]); acm_write_buffers_free(acm); - usb_free_coherent(usb_dev, acm->ctrlsize, acm->ctrl_buffer, - acm->ctrl_dma); + usb_free_coherent(usb_dev, acm->ctrlsize, acm->ctrl_buffer, acm->ctrl_dma); acm_read_buffers_free(acm); if (!acm->combined_interfaces) usb_driver_release_interface(&acm_driver, intf == acm->control ? acm->data : acm->control); - if (acm->port.count == 0) { - acm_tty_unregister(acm); - mutex_unlock(&open_mutex); - return; - } - - mutex_unlock(&open_mutex); - tty = tty_port_tty_get(&acm->port); - if (tty) { - tty_hangup(tty); - tty_kref_put(tty); - } + tty_port_put(&acm->port); } #ifdef CONFIG_PM @@ -1323,16 +1378,10 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message) if (cnt) return 0; - /* - we treat opened interfaces differently, - we must guard against open - */ - mutex_lock(&acm->mutex); - if (acm->port.count) + if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) stop_data_traffic(acm); - mutex_unlock(&acm->mutex); return 0; } @@ -1351,8 +1400,7 @@ static int acm_resume(struct usb_interface *intf) if (cnt) return 0; - mutex_lock(&acm->mutex); - if (acm->port.count) { + if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) { rv = usb_submit_urb(acm->ctrlurb, GFP_NOIO); spin_lock_irq(&acm->write_lock); @@ -1376,7 +1424,6 @@ static int acm_resume(struct usb_interface *intf) } err_out: - mutex_unlock(&acm->mutex); return rv; } @@ -1385,15 +1432,14 @@ static int acm_reset_resume(struct usb_interface *intf) struct acm *acm = usb_get_intfdata(intf); struct tty_struct *tty; - mutex_lock(&acm->mutex); - if (acm->port.count) { + if (test_bit(ASYNCB_INITIALIZED, &acm->port.flags)) { tty = tty_port_tty_get(&acm->port); if (tty) { tty_hangup(tty); tty_kref_put(tty); } } - mutex_unlock(&acm->mutex); + return acm_resume(intf); } @@ -1456,6 +1502,16 @@ static const struct usb_device_id acm_ids[] = { }, { USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */ }, + /* Motorola H24 HSPA module: */ + { USB_DEVICE(0x22b8, 0x2d91) }, /* modem */ + { USB_DEVICE(0x22b8, 0x2d92) }, /* modem + diagnostics */ + { USB_DEVICE(0x22b8, 0x2d93) }, /* modem + AT port */ + { USB_DEVICE(0x22b8, 0x2d95) }, /* modem + AT port + diagnostics */ + { USB_DEVICE(0x22b8, 0x2d96) }, /* modem + NMEA */ + { USB_DEVICE(0x22b8, 0x2d97) }, /* modem + diagnostics + NMEA */ + { USB_DEVICE(0x22b8, 0x2d99) }, /* modem + AT port + NMEA */ + { USB_DEVICE(0x22b8, 0x2d9a) }, /* modem + AT port + diagnostics + NMEA */ + { USB_DEVICE(0x0572, 0x1329), /* Hummingbird huc56s (Conexant) */ .driver_info = NO_UNION_NORMAL, /* union descriptor misplaced on data interface instead of @@ -1592,8 +1648,10 @@ static struct usb_driver acm_driver = { */ static const struct tty_operations acm_ops = { + .install = acm_tty_install, .open = acm_tty_open, .close = acm_tty_close, + .cleanup = acm_tty_cleanup, .hangup = acm_tty_hangup, .write = acm_tty_write, .write_room = acm_tty_write_room, diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index ca7937f26e27..35ef887b7417 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -101,6 +101,7 @@ struct acm { int transmitting; spinlock_t write_lock; struct mutex mutex; + bool disconnected; struct usb_cdc_line_coding line; /* bits, stop, parity */ struct work_struct work; /* work queue entry for line discipline waking up */ unsigned int ctrlin; /* input control lines (DCD, DSR, RI, break, overruns) */ diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index efe684908c1f..1c50baff7725 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -895,24 +895,7 @@ static struct usb_driver wdm_driver = { .supports_autosuspend = 1, }; -/* --- low level module stuff --- */ - -static int __init wdm_init(void) -{ - int rv; - - rv = usb_register(&wdm_driver); - - return rv; -} - -static void __exit wdm_exit(void) -{ - usb_deregister(&wdm_driver); -} - -module_init(wdm_init); -module_exit(wdm_exit); +module_usb_driver(wdm_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index cb3a93243a05..a68c1a63dc65 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -1045,7 +1045,7 @@ static const struct file_operations usblp_fops = { .llseek = noop_llseek, }; -static char *usblp_devnode(struct device *dev, mode_t *mode) +static char *usblp_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); } @@ -1412,18 +1412,7 @@ static struct usb_driver usblp_driver = { .supports_autosuspend = 1, }; -static int __init usblp_init(void) -{ - return usb_register(&usblp_driver); -} - -static void __exit usblp_exit(void) -{ - usb_deregister(&usblp_driver); -} - -module_init(usblp_init); -module_exit(usblp_exit); +module_usb_driver(usblp_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 12cf5e7395a8..70d69d06054f 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1116,21 +1116,6 @@ static struct usb_driver usbtmc_driver = { .resume = usbtmc_resume, }; -static int __init usbtmc_init(void) -{ - int retcode; - - retcode = usb_register(&usbtmc_driver); - if (retcode) - printk(KERN_ERR KBUILD_MODNAME": Unable to register driver\n"); - return retcode; -} -module_init(usbtmc_init); - -static void __exit usbtmc_exit(void) -{ - usb_deregister(&usbtmc_driver); -} -module_exit(usbtmc_exit); +module_usb_driver(usbtmc_driver); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index e3beaf229ee3..8df4b76465ac 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -86,13 +86,14 @@ struct async { void __user *userbuffer; void __user *userurb; struct urb *urb; + unsigned int mem_usage; int status; u32 secid; u8 bulk_addr; u8 bulk_status; }; -static int usbfs_snoop; +static bool usbfs_snoop; module_param(usbfs_snoop, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(usbfs_snoop, "true to log all usbfs traffic"); @@ -108,8 +109,44 @@ enum snoop_when { #define USB_DEVICE_DEV MKDEV(USB_DEVICE_MAJOR, 0) -#define MAX_USBFS_BUFFER_SIZE 16384 +/* Limit on the total amount of memory we can allocate for transfers */ +static unsigned usbfs_memory_mb = 16; +module_param(usbfs_memory_mb, uint, 0644); +MODULE_PARM_DESC(usbfs_memory_mb, + "maximum MB allowed for usbfs buffers (0 = no limit)"); +/* Hard limit, necessary to avoid aithmetic overflow */ +#define USBFS_XFER_MAX (UINT_MAX / 2 - 1000000) + +static atomic_t usbfs_memory_usage; /* Total memory currently allocated */ + +/* Check whether it's okay to allocate more memory for a transfer */ +static int usbfs_increase_memory_usage(unsigned amount) +{ + unsigned lim; + + /* + * Convert usbfs_memory_mb to bytes, avoiding overflows. + * 0 means use the hard limit (effectively unlimited). + */ + lim = ACCESS_ONCE(usbfs_memory_mb); + if (lim == 0 || lim > (USBFS_XFER_MAX >> 20)) + lim = USBFS_XFER_MAX; + else + lim <<= 20; + + atomic_add(amount, &usbfs_memory_usage); + if (atomic_read(&usbfs_memory_usage) <= lim) + return 0; + atomic_sub(amount, &usbfs_memory_usage); + return -ENOMEM; +} + +/* Memory for a transfer is being deallocated */ +static void usbfs_decrease_memory_usage(unsigned amount) +{ + atomic_sub(amount, &usbfs_memory_usage); +} static int connected(struct dev_state *ps) { @@ -249,10 +286,12 @@ static struct async *alloc_async(unsigned int numisoframes) static void free_async(struct async *as) { put_pid(as->pid); - put_cred(as->cred); + if (as->cred) + put_cred(as->cred); kfree(as->urb->transfer_buffer); kfree(as->urb->setup_packet); usb_free_urb(as->urb); + usbfs_decrease_memory_usage(as->mem_usage); kfree(as); } @@ -792,9 +831,15 @@ static int proc_control(struct dev_state *ps, void __user *arg) wLength = ctrl.wLength; /* To suppress 64k PAGE_SIZE warning */ if (wLength > PAGE_SIZE) return -EINVAL; + ret = usbfs_increase_memory_usage(PAGE_SIZE + sizeof(struct urb) + + sizeof(struct usb_ctrlrequest)); + if (ret) + return ret; tbuf = (unsigned char *)__get_free_page(GFP_KERNEL); - if (!tbuf) - return -ENOMEM; + if (!tbuf) { + ret = -ENOMEM; + goto done; + } tmo = ctrl.timeout; snoop(&dev->dev, "control urb: bRequestType=%02x " "bRequest=%02x wValue=%04x " @@ -806,8 +851,8 @@ static int proc_control(struct dev_state *ps, void __user *arg) if (ctrl.bRequestType & 0x80) { if (ctrl.wLength && !access_ok(VERIFY_WRITE, ctrl.data, ctrl.wLength)) { - free_page((unsigned long)tbuf); - return -EINVAL; + ret = -EINVAL; + goto done; } pipe = usb_rcvctrlpipe(dev, 0); snoop_urb(dev, NULL, pipe, ctrl.wLength, tmo, SUBMIT, NULL, 0); @@ -821,15 +866,15 @@ static int proc_control(struct dev_state *ps, void __user *arg) tbuf, max(i, 0)); if ((i > 0) && ctrl.wLength) { if (copy_to_user(ctrl.data, tbuf, i)) { - free_page((unsigned long)tbuf); - return -EFAULT; + ret = -EFAULT; + goto done; } } } else { if (ctrl.wLength) { if (copy_from_user(tbuf, ctrl.data, ctrl.wLength)) { - free_page((unsigned long)tbuf); - return -EFAULT; + ret = -EFAULT; + goto done; } } pipe = usb_sndctrlpipe(dev, 0); @@ -843,14 +888,18 @@ static int proc_control(struct dev_state *ps, void __user *arg) usb_lock_device(dev); snoop_urb(dev, NULL, pipe, max(i, 0), min(i, 0), COMPLETE, NULL, 0); } - free_page((unsigned long)tbuf); if (i < 0 && i != -EPIPE) { dev_printk(KERN_DEBUG, &dev->dev, "usbfs: USBDEVFS_CONTROL " "failed cmd %s rqt %u rq %u len %u ret %d\n", current->comm, ctrl.bRequestType, ctrl.bRequest, ctrl.wLength, i); } - return i; + ret = i; + done: + free_page((unsigned long) tbuf); + usbfs_decrease_memory_usage(PAGE_SIZE + sizeof(struct urb) + + sizeof(struct usb_ctrlrequest)); + return ret; } static int proc_bulk(struct dev_state *ps, void __user *arg) @@ -877,15 +926,20 @@ static int proc_bulk(struct dev_state *ps, void __user *arg) if (!usb_maxpacket(dev, pipe, !(bulk.ep & USB_DIR_IN))) return -EINVAL; len1 = bulk.len; - if (len1 > MAX_USBFS_BUFFER_SIZE) + if (len1 >= USBFS_XFER_MAX) return -EINVAL; - if (!(tbuf = kmalloc(len1, GFP_KERNEL))) - return -ENOMEM; + ret = usbfs_increase_memory_usage(len1 + sizeof(struct urb)); + if (ret) + return ret; + if (!(tbuf = kmalloc(len1, GFP_KERNEL))) { + ret = -ENOMEM; + goto done; + } tmo = bulk.timeout; if (bulk.ep & 0x80) { if (len1 && !access_ok(VERIFY_WRITE, bulk.data, len1)) { - kfree(tbuf); - return -EINVAL; + ret = -EINVAL; + goto done; } snoop_urb(dev, NULL, pipe, len1, tmo, SUBMIT, NULL, 0); @@ -896,15 +950,15 @@ static int proc_bulk(struct dev_state *ps, void __user *arg) if (!i && len2) { if (copy_to_user(bulk.data, tbuf, len2)) { - kfree(tbuf); - return -EFAULT; + ret = -EFAULT; + goto done; } } } else { if (len1) { if (copy_from_user(tbuf, bulk.data, len1)) { - kfree(tbuf); - return -EFAULT; + ret = -EFAULT; + goto done; } } snoop_urb(dev, NULL, pipe, len1, tmo, SUBMIT, tbuf, len1); @@ -914,10 +968,11 @@ static int proc_bulk(struct dev_state *ps, void __user *arg) usb_lock_device(dev); snoop_urb(dev, NULL, pipe, len2, i, COMPLETE, NULL, 0); } + ret = (i < 0 ? i : len2); + done: kfree(tbuf); - if (i < 0) - return i; - return len2; + usbfs_decrease_memory_usage(len1 + sizeof(struct urb)); + return ret; } static int proc_resetep(struct dev_state *ps, void __user *arg) @@ -1062,7 +1117,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, { struct usbdevfs_iso_packet_desc *isopkt = NULL; struct usb_host_endpoint *ep; - struct async *as; + struct async *as = NULL; struct usb_ctrlrequest *dr = NULL; unsigned int u, totlen, isofrmlen; int ret, ifnum = -1; @@ -1095,32 +1150,30 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, } if (!ep) return -ENOENT; + + u = 0; switch(uurb->type) { case USBDEVFS_URB_TYPE_CONTROL: if (!usb_endpoint_xfer_control(&ep->desc)) return -EINVAL; - /* min 8 byte setup packet, - * max 8 byte setup plus an arbitrary data stage */ - if (uurb->buffer_length < 8 || - uurb->buffer_length > (8 + MAX_USBFS_BUFFER_SIZE)) + /* min 8 byte setup packet */ + if (uurb->buffer_length < 8) return -EINVAL; dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL); if (!dr) return -ENOMEM; if (copy_from_user(dr, uurb->buffer, 8)) { - kfree(dr); - return -EFAULT; + ret = -EFAULT; + goto error; } if (uurb->buffer_length < (le16_to_cpup(&dr->wLength) + 8)) { - kfree(dr); - return -EINVAL; + ret = -EINVAL; + goto error; } ret = check_ctrlrecip(ps, dr->bRequestType, dr->bRequest, le16_to_cpup(&dr->wIndex)); - if (ret) { - kfree(dr); - return ret; - } + if (ret) + goto error; uurb->number_of_packets = 0; uurb->buffer_length = le16_to_cpup(&dr->wLength); uurb->buffer += 8; @@ -1138,6 +1191,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, __le16_to_cpup(&dr->wValue), __le16_to_cpup(&dr->wIndex), __le16_to_cpup(&dr->wLength)); + u = sizeof(struct usb_ctrlrequest); break; case USBDEVFS_URB_TYPE_BULK: @@ -1151,8 +1205,6 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, goto interrupt_urb; } uurb->number_of_packets = 0; - if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE) - return -EINVAL; break; case USBDEVFS_URB_TYPE_INTERRUPT: @@ -1160,8 +1212,6 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, return -EINVAL; interrupt_urb: uurb->number_of_packets = 0; - if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE) - return -EINVAL; break; case USBDEVFS_URB_TYPE_ISO: @@ -1176,50 +1226,53 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, if (!(isopkt = kmalloc(isofrmlen, GFP_KERNEL))) return -ENOMEM; if (copy_from_user(isopkt, iso_frame_desc, isofrmlen)) { - kfree(isopkt); - return -EFAULT; + ret = -EFAULT; + goto error; } for (totlen = u = 0; u < uurb->number_of_packets; u++) { /* arbitrary limit, * sufficient for USB 2.0 high-bandwidth iso */ if (isopkt[u].length > 8192) { - kfree(isopkt); - return -EINVAL; + ret = -EINVAL; + goto error; } totlen += isopkt[u].length; } - /* 3072 * 64 microframes */ - if (totlen > 196608) { - kfree(isopkt); - return -EINVAL; - } + u *= sizeof(struct usb_iso_packet_descriptor); uurb->buffer_length = totlen; break; default: return -EINVAL; } + + if (uurb->buffer_length >= USBFS_XFER_MAX) { + ret = -EINVAL; + goto error; + } if (uurb->buffer_length > 0 && !access_ok(is_in ? VERIFY_WRITE : VERIFY_READ, uurb->buffer, uurb->buffer_length)) { - kfree(isopkt); - kfree(dr); - return -EFAULT; + ret = -EFAULT; + goto error; } as = alloc_async(uurb->number_of_packets); if (!as) { - kfree(isopkt); - kfree(dr); - return -ENOMEM; + ret = -ENOMEM; + goto error; } + u += sizeof(struct async) + sizeof(struct urb) + uurb->buffer_length; + ret = usbfs_increase_memory_usage(u); + if (ret) + goto error; + as->mem_usage = u; + if (uurb->buffer_length > 0) { as->urb->transfer_buffer = kmalloc(uurb->buffer_length, GFP_KERNEL); if (!as->urb->transfer_buffer) { - kfree(isopkt); - kfree(dr); - free_async(as); - return -ENOMEM; + ret = -ENOMEM; + goto error; } /* Isochronous input data may end up being discontiguous * if some of the packets are short. Clear the buffer so @@ -1253,6 +1306,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, as->urb->transfer_buffer_length = uurb->buffer_length; as->urb->setup_packet = (unsigned char *)dr; + dr = NULL; as->urb->start_frame = uurb->start_frame; as->urb->number_of_packets = uurb->number_of_packets; if (uurb->type == USBDEVFS_URB_TYPE_ISO || @@ -1268,6 +1322,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, totlen += isopkt[u].length; } kfree(isopkt); + isopkt = NULL; as->ps = ps; as->userurb = arg; if (is_in && uurb->buffer_length > 0) @@ -1282,8 +1337,8 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, if (!is_in && uurb->buffer_length > 0) { if (copy_from_user(as->urb->transfer_buffer, uurb->buffer, uurb->buffer_length)) { - free_async(as); - return -EFAULT; + ret = -EFAULT; + goto error; } } snoop_urb(ps->dev, as->userurb, as->urb->pipe, @@ -1329,10 +1384,16 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, snoop_urb(ps->dev, as->userurb, as->urb->pipe, 0, ret, COMPLETE, NULL, 0); async_removepending(as); - free_async(as); - return ret; + goto error; } return 0; + + error: + kfree(isopkt); + kfree(dr); + if (as) + free_async(as); + return ret; } static int proc_submiturb(struct dev_state *ps, void __user *arg) diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 45887a0ff873..d40ff9568813 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -45,10 +45,12 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, struct usb_dynid *dynid; u32 idVendor = 0; u32 idProduct = 0; + unsigned int bInterfaceClass = 0; int fields = 0; int retval = 0; - fields = sscanf(buf, "%x %x", &idVendor, &idProduct); + fields = sscanf(buf, "%x %x %x", &idVendor, &idProduct, + &bInterfaceClass); if (fields < 2) return -EINVAL; @@ -60,6 +62,10 @@ ssize_t usb_store_new_id(struct usb_dynids *dynids, dynid->id.idVendor = idVendor; dynid->id.idProduct = idProduct; dynid->id.match_flags = USB_DEVICE_ID_MATCH_DEVICE; + if (fields == 3) { + dynid->id.bInterfaceClass = (u8)bInterfaceClass; + dynid->id.match_flags |= USB_DEVICE_ID_MATCH_INT_CLASS; + } spin_lock(&dynids->lock); list_add_tail(&dynid->node, &dynids->list); @@ -1073,17 +1079,10 @@ static int usb_suspend_interface(struct usb_device *udev, goto done; driver = to_usb_driver(intf->dev.driver); - if (driver->suspend) { - status = driver->suspend(intf, msg); - if (status && !PMSG_IS_AUTO(msg)) - dev_err(&intf->dev, "%s error %d\n", - "suspend", status); - } else { - /* Later we will unbind the driver and reprobe */ - intf->needs_binding = 1; - dev_warn(&intf->dev, "no %s for driver %s?\n", - "suspend", driver->name); - } + /* at this time we know the driver supports suspend */ + status = driver->suspend(intf, msg); + if (status && !PMSG_IS_AUTO(msg)) + dev_err(&intf->dev, "suspend error %d\n", status); done: dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status); @@ -1132,16 +1131,9 @@ static int usb_resume_interface(struct usb_device *udev, "reset_resume", driver->name); } } else { - if (driver->resume) { - status = driver->resume(intf); - if (status) - dev_err(&intf->dev, "%s error %d\n", - "resume", status); - } else { - intf->needs_binding = 1; - dev_warn(&intf->dev, "no %s for driver %s?\n", - "resume", driver->name); - } + status = driver->resume(intf); + if (status) + dev_err(&intf->dev, "resume error %d\n", status); } done: diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index 99458c843d60..d95760de9e8b 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -66,7 +66,7 @@ static struct usb_class { struct class *class; } *usb_class; -static char *usb_devnode(struct device *dev, mode_t *mode) +static char *usb_devnode(struct device *dev, umode_t *mode) { struct usb_class_driver *drv; diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index a004db35f6d0..d136b8f4c8a7 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -453,10 +453,6 @@ static int resume_common(struct device *dev, int event) pci_set_master(pci_dev); - clear_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); - if (hcd->shared_hcd) - clear_bit(HCD_FLAG_SAW_IRQ, &hcd->shared_hcd->flags); - if (hcd->driver->pci_resume && !HCD_DEAD(hcd)) { if (event != PM_EVENT_AUTO_RESUME) wait_for_companions(pci_dev, hcd); diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 13222d352a61..eb19cba34ac9 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -658,7 +658,7 @@ error: len > offsetof(struct usb_device_descriptor, bDeviceProtocol)) ((struct usb_device_descriptor *) ubuf)-> - bDeviceProtocol = 1; + bDeviceProtocol = USB_HUB_PR_HS_SINGLE_TT; } /* any errors get returned through the urb completion */ @@ -1168,20 +1168,6 @@ int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb, if (urb->unlinked) return -EBUSY; urb->unlinked = status; - - /* IRQ setup can easily be broken so that USB controllers - * never get completion IRQs ... maybe even the ones we need to - * finish unlinking the initial failed usb_set_address() - * or device descriptor fetch. - */ - if (!HCD_SAW_IRQ(hcd) && !is_root_hub(urb->dev)) { - dev_warn(hcd->self.controller, "Unlink after no-IRQ? " - "Controller is probably using the wrong IRQ.\n"); - set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); - if (hcd->shared_hcd) - set_bit(HCD_FLAG_SAW_IRQ, &hcd->shared_hcd->flags); - } - return 0; } EXPORT_SYMBOL_GPL(usb_hcd_check_unlink_urb); @@ -1412,11 +1398,10 @@ int usb_hcd_map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, ret = -EAGAIN; else urb->transfer_flags |= URB_DMA_MAP_SG; - if (n != urb->num_sgs) { - urb->num_sgs = n; + urb->num_mapped_sgs = n; + if (n != urb->num_sgs) urb->transfer_flags |= URB_DMA_SG_COMBINED; - } } else if (urb->sg) { struct scatterlist *sg = urb->sg; urb->transfer_dma = dma_map_page( @@ -2148,16 +2133,12 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) */ local_irq_save(flags); - if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) { + if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) rc = IRQ_NONE; - } else if (hcd->driver->irq(hcd) == IRQ_NONE) { + else if (hcd->driver->irq(hcd) == IRQ_NONE) rc = IRQ_NONE; - } else { - set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); - if (hcd->shared_hcd) - set_bit(HCD_FLAG_SAW_IRQ, &hcd->shared_hcd->flags); + else rc = IRQ_HANDLED; - } local_irq_restore(flags); return rc; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 96f05b29c9ad..a0613d8f9be7 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -84,7 +84,7 @@ struct usb_hub { static inline int hub_is_superspeed(struct usb_device *hdev) { - return (hdev->descriptor.bDeviceProtocol == 3); + return (hdev->descriptor.bDeviceProtocol == USB_HUB_PR_SS); } /* Protect struct usb_device->state and ->children members @@ -102,7 +102,7 @@ static DECLARE_WAIT_QUEUE_HEAD(khubd_wait); static struct task_struct *khubd_task; /* cycle leds on hubs that aren't blinking for attention */ -static int blinkenlights = 0; +static bool blinkenlights = 0; module_param (blinkenlights, bool, S_IRUGO); MODULE_PARM_DESC (blinkenlights, "true to cycle leds on hubs"); @@ -131,12 +131,12 @@ MODULE_PARM_DESC(initial_descriptor_timeout, * otherwise the new scheme is used. If that fails and "use_both_schemes" * is set, then the driver will make another attempt, using the other scheme. */ -static int old_scheme_first = 0; +static bool old_scheme_first = 0; module_param(old_scheme_first, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(old_scheme_first, "start with the old device initialization scheme"); -static int use_both_schemes = 1; +static bool use_both_schemes = 1; module_param(use_both_schemes, bool, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(use_both_schemes, "try the other device initialization scheme if the " @@ -813,6 +813,12 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) USB_PORT_FEAT_C_PORT_LINK_STATE); } + if ((portchange & USB_PORT_STAT_C_BH_RESET) && + hub_is_superspeed(hub->hdev)) { + need_debounce_delay = true; + clear_port_feature(hub->hdev, port1, + USB_PORT_FEAT_C_BH_PORT_RESET); + } /* We can forget about a "removed" device when there's a * physical disconnect or the connect status changes. */ @@ -1035,58 +1041,58 @@ static int hub_configure(struct usb_hub *hub, dev_dbg(hub_dev, "standalone hub\n"); switch (wHubCharacteristics & HUB_CHAR_LPSM) { - case 0x00: - dev_dbg(hub_dev, "ganged power switching\n"); - break; - case 0x01: - dev_dbg(hub_dev, "individual port power switching\n"); - break; - case 0x02: - case 0x03: - dev_dbg(hub_dev, "no power switching (usb 1.0)\n"); - break; + case HUB_CHAR_COMMON_LPSM: + dev_dbg(hub_dev, "ganged power switching\n"); + break; + case HUB_CHAR_INDV_PORT_LPSM: + dev_dbg(hub_dev, "individual port power switching\n"); + break; + case HUB_CHAR_NO_LPSM: + case HUB_CHAR_LPSM: + dev_dbg(hub_dev, "no power switching (usb 1.0)\n"); + break; } switch (wHubCharacteristics & HUB_CHAR_OCPM) { - case 0x00: - dev_dbg(hub_dev, "global over-current protection\n"); - break; - case 0x08: - dev_dbg(hub_dev, "individual port over-current protection\n"); - break; - case 0x10: - case 0x18: - dev_dbg(hub_dev, "no over-current protection\n"); - break; + case HUB_CHAR_COMMON_OCPM: + dev_dbg(hub_dev, "global over-current protection\n"); + break; + case HUB_CHAR_INDV_PORT_OCPM: + dev_dbg(hub_dev, "individual port over-current protection\n"); + break; + case HUB_CHAR_NO_OCPM: + case HUB_CHAR_OCPM: + dev_dbg(hub_dev, "no over-current protection\n"); + break; } spin_lock_init (&hub->tt.lock); INIT_LIST_HEAD (&hub->tt.clear_list); INIT_WORK(&hub->tt.clear_work, hub_tt_work); switch (hdev->descriptor.bDeviceProtocol) { - case 0: - break; - case 1: - dev_dbg(hub_dev, "Single TT\n"); - hub->tt.hub = hdev; - break; - case 2: - ret = usb_set_interface(hdev, 0, 1); - if (ret == 0) { - dev_dbg(hub_dev, "TT per port\n"); - hub->tt.multi = 1; - } else - dev_err(hub_dev, "Using single TT (err %d)\n", - ret); - hub->tt.hub = hdev; - break; - case 3: - /* USB 3.0 hubs don't have a TT */ - break; - default: - dev_dbg(hub_dev, "Unrecognized hub protocol %d\n", - hdev->descriptor.bDeviceProtocol); - break; + case USB_HUB_PR_FS: + break; + case USB_HUB_PR_HS_SINGLE_TT: + dev_dbg(hub_dev, "Single TT\n"); + hub->tt.hub = hdev; + break; + case USB_HUB_PR_HS_MULTI_TT: + ret = usb_set_interface(hdev, 0, 1); + if (ret == 0) { + dev_dbg(hub_dev, "TT per port\n"); + hub->tt.multi = 1; + } else + dev_err(hub_dev, "Using single TT (err %d)\n", + ret); + hub->tt.hub = hdev; + break; + case USB_HUB_PR_SS: + /* USB 3.0 hubs don't have a TT */ + break; + default: + dev_dbg(hub_dev, "Unrecognized hub protocol %d\n", + hdev->descriptor.bDeviceProtocol); + break; } /* Note 8 FS bit times == (8 bits / 12000000 bps) ~= 666ns */ @@ -1354,7 +1360,6 @@ descriptor_error: return -ENODEV; } -/* No BKL needed */ static int hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data) { @@ -2021,7 +2026,7 @@ static unsigned hub_is_wusb(struct usb_hub *hub) #define SET_ADDRESS_TRIES 2 #define GET_DESCRIPTOR_TRIES 2 #define SET_CONFIG_TRIES (2 * (use_both_schemes + 1)) -#define USE_NEW_SCHEME(i) ((i) / 2 == old_scheme_first) +#define USE_NEW_SCHEME(i) ((i) / 2 == (int)old_scheme_first) #define HUB_ROOT_RESET_TIME 50 /* times are in msec */ #define HUB_SHORT_RESET_TIME 10 diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 2278dad886e2..9e186f3da839 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -65,7 +65,7 @@ static umode_t devmode = USBFS_DEFAULT_DEVMODE; static umode_t busmode = USBFS_DEFAULT_BUSMODE; static umode_t listmode = USBFS_DEFAULT_LISTMODE; -static int usbfs_show_options(struct seq_file *seq, struct vfsmount *mnt) +static int usbfs_show_options(struct seq_file *seq, struct dentry *root) { if (devuid != 0) seq_printf(seq, ",devuid=%u", devuid); @@ -264,21 +264,19 @@ static int remount(struct super_block *sb, int *flags, char *data) return -EINVAL; } - if (usbfs_mount && usbfs_mount->mnt_sb) + if (usbfs_mount) update_sb(usbfs_mount->mnt_sb); return 0; } -static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t dev) +static struct inode *usbfs_get_inode (struct super_block *sb, umode_t mode, dev_t dev) { struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); - inode->i_mode = mode; - inode->i_uid = current_fsuid(); - inode->i_gid = current_fsgid(); + inode_init_owner(inode, NULL, mode); inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: @@ -300,7 +298,7 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de } /* SMP-safe */ -static int usbfs_mknod (struct inode *dir, struct dentry *dentry, int mode, +static int usbfs_mknod (struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { struct inode *inode = usbfs_get_inode(dir->i_sb, mode, dev); @@ -317,7 +315,7 @@ static int usbfs_mknod (struct inode *dir, struct dentry *dentry, int mode, return error; } -static int usbfs_mkdir (struct inode *dir, struct dentry *dentry, int mode) +static int usbfs_mkdir (struct inode *dir, struct dentry *dentry, umode_t mode) { int res; @@ -328,7 +326,7 @@ static int usbfs_mkdir (struct inode *dir, struct dentry *dentry, int mode) return res; } -static int usbfs_create (struct inode *dir, struct dentry *dentry, int mode) +static int usbfs_create (struct inode *dir, struct dentry *dentry, umode_t mode) { mode = (mode & S_IALLUGO) | S_IFREG; return usbfs_mknod (dir, dentry, mode, 0); @@ -489,7 +487,7 @@ static int usbfs_fill_super(struct super_block *sb, void *data, int silent) * * This function handles both regular files and directories. */ -static int fs_create_by_name (const char *name, mode_t mode, +static int fs_create_by_name (const char *name, umode_t mode, struct dentry *parent, struct dentry **dentry) { int error = 0; @@ -500,9 +498,8 @@ static int fs_create_by_name (const char *name, mode_t mode, * have around. */ if (!parent ) { - if (usbfs_mount && usbfs_mount->mnt_sb) { - parent = usbfs_mount->mnt_sb->s_root; - } + if (usbfs_mount) + parent = usbfs_mount->mnt_root; } if (!parent) { @@ -514,7 +511,7 @@ static int fs_create_by_name (const char *name, mode_t mode, mutex_lock(&parent->d_inode->i_mutex); *dentry = lookup_one_len(name, parent, strlen(name)); if (!IS_ERR(*dentry)) { - if ((mode & S_IFMT) == S_IFDIR) + if (S_ISDIR(mode)) error = usbfs_mkdir (parent->d_inode, *dentry, mode); else error = usbfs_create (parent->d_inode, *dentry, mode); @@ -525,7 +522,7 @@ static int fs_create_by_name (const char *name, mode_t mode, return error; } -static struct dentry *fs_create_file (const char *name, mode_t mode, +static struct dentry *fs_create_file (const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops, uid_t uid, gid_t gid) @@ -608,7 +605,7 @@ static int create_special_files (void) ignore_mount = 0; - parent = usbfs_mount->mnt_sb->s_root; + parent = usbfs_mount->mnt_root; devices_usbfs_dentry = fs_create_file ("devices", listmode | S_IFREG, parent, NULL, &usbfs_devices_fops, @@ -662,7 +659,7 @@ static void usbfs_add_bus(struct usb_bus *bus) sprintf (name, "%03d", bus->busnum); - parent = usbfs_mount->mnt_sb->s_root; + parent = usbfs_mount->mnt_root; bus->usbfs_dentry = fs_create_file (name, busmode | S_IFDIR, parent, bus, NULL, busuid, busgid); if (bus->usbfs_dentry == NULL) { diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index d6a8d8269bfb..4c65eb6a867a 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -50,15 +50,42 @@ static const struct usb_device_id usb_quirk_list[] = { /* Logitech Webcam B/C500 */ { USB_DEVICE(0x046d, 0x0807), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C600 */ + { USB_DEVICE(0x046d, 0x0808), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam Pro 9000 */ { USB_DEVICE(0x046d, 0x0809), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C905 */ + { USB_DEVICE(0x046d, 0x080a), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Webcam C210 */ + { USB_DEVICE(0x046d, 0x0819), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Webcam C260 */ + { USB_DEVICE(0x046d, 0x081a), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C310 */ { USB_DEVICE(0x046d, 0x081b), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C910 */ + { USB_DEVICE(0x046d, 0x0821), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Webcam C160 */ + { USB_DEVICE(0x046d, 0x0824), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Webcam C270 */ { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Quickcam Pro 9000 */ + { USB_DEVICE(0x046d, 0x0990), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Quickcam E3500 */ + { USB_DEVICE(0x046d, 0x09a4), .driver_info = USB_QUIRK_RESET_RESUME }, + + /* Logitech Quickcam Vision Pro */ + { USB_DEVICE(0x046d, 0x09a6), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Logitech Harmony 700-series */ { USB_DEVICE(0x046d, 0xc122), .driver_info = USB_QUIRK_DELAY_INIT }, @@ -90,9 +117,12 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x06a3, 0x0006), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, - /* Guillemot Webcam Hercules Dualpix Exchange*/ + /* Guillemot Webcam Hercules Dualpix Exchange (2nd ID) */ { USB_DEVICE(0x06f8, 0x0804), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Guillemot Webcam Hercules Dualpix Exchange*/ + { USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME }, + /* M-Systems Flash Disk Pioneers */ { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 662c0cf3a3e1..9e491ca2e5c4 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -642,7 +642,7 @@ static struct attribute *dev_string_attrs[] = { NULL }; -static mode_t dev_string_attrs_are_visible(struct kobject *kobj, +static umode_t dev_string_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct device *dev = container_of(kobj, struct device, kobj); @@ -877,7 +877,7 @@ static struct attribute *intf_assoc_attrs[] = { NULL, }; -static mode_t intf_assoc_attrs_are_visible(struct kobject *kobj, +static umode_t intf_assoc_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct device *dev = container_of(kobj, struct device, kobj); diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 73cd90012ec5..8ca9f994a280 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -47,7 +47,7 @@ const char *usbcore_name = "usbcore"; -static int nousb; /* Disable USB when built into kernel image */ +static bool nousb; /* Disable USB when built into kernel image */ #ifdef CONFIG_USB_SUSPEND static int usb_autosuspend_delay = 2; /* Default delay value, @@ -326,7 +326,7 @@ static const struct dev_pm_ops usb_device_pm_ops = { #endif /* CONFIG_PM */ -static char *usb_devnode(struct device *dev, mode_t *mode) +static char *usb_devnode(struct device *dev, umode_t *mode) { struct usb_device *usb_dev; diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 3888778582c4..45e8479c377d 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -132,20 +132,6 @@ static inline int is_usb_device_driver(struct device_driver *drv) for_devices; } -/* translate USB error codes to codes user space understands */ -static inline int usb_translate_errors(int error_code) -{ - switch (error_code) { - case 0: - case -ENOMEM: - case -ENODEV: - return error_code; - default: - return -EIO; - } -} - - /* for labeling diagnostics */ extern const char *usbcore_name; diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index 3c1d67d324fd..d8f741f9e56e 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -1,7 +1,10 @@ config USB_DWC3 tristate "DesignWare USB3 DRD Core Support" - depends on (USB || USB_GADGET) + depends on (USB && USB_GADGET) select USB_OTG_UTILS + select USB_GADGET_DUALSPEED + select USB_GADGET_SUPERSPEED + select USB_XHCI_PLATFORM help Say Y or M here if your system has a Dual Role SuperSpeed USB controller based on the DesignWare USB3 IP Core. diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile index 593d1dbc465b..900ae74357f1 100644 --- a/drivers/usb/dwc3/Makefile +++ b/drivers/usb/dwc3/Makefile @@ -4,10 +4,8 @@ ccflags-$(CONFIG_USB_DWC3_VERBOSE) += -DVERBOSE_DEBUG obj-$(CONFIG_USB_DWC3) += dwc3.o dwc3-y := core.o - -ifneq ($(CONFIG_USB_GADGET_DWC3),) - dwc3-y += gadget.o ep0.o -endif +dwc3-y += host.o +dwc3-y += gadget.o ep0.o ifneq ($(CONFIG_DEBUG_FS),) dwc3-y += debugfs.o diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 717ebc9ff941..7c9df630dbe4 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -59,6 +59,60 @@ #include "debug.h" +static char *maximum_speed = "super"; +module_param(maximum_speed, charp, 0); +MODULE_PARM_DESC(maximum_speed, "Maximum supported speed."); + +/* -------------------------------------------------------------------------- */ + +#define DWC3_DEVS_POSSIBLE 32 + +static DECLARE_BITMAP(dwc3_devs, DWC3_DEVS_POSSIBLE); + +int dwc3_get_device_id(void) +{ + int id; + +again: + id = find_first_zero_bit(dwc3_devs, DWC3_DEVS_POSSIBLE); + if (id < DWC3_DEVS_POSSIBLE) { + int old; + + old = test_and_set_bit(id, dwc3_devs); + if (old) + goto again; + } else { + pr_err("dwc3: no space for new device\n"); + id = -ENOMEM; + } + + return 0; +} +EXPORT_SYMBOL_GPL(dwc3_get_device_id); + +void dwc3_put_device_id(int id) +{ + int ret; + + if (id < 0) + return; + + ret = test_bit(id, dwc3_devs); + WARN(!ret, "dwc3: ID %d not in use\n", id); + clear_bit(id, dwc3_devs); +} +EXPORT_SYMBOL_GPL(dwc3_put_device_id); + +void dwc3_set_mode(struct dwc3 *dwc, u32 mode) +{ + u32 reg; + + reg = dwc3_readl(dwc->regs, DWC3_GCTL); + reg &= ~(DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG)); + reg |= DWC3_GCTL_PRTCAPDIR(mode); + dwc3_writel(dwc->regs, DWC3_GCTL, reg); +} + /** * dwc3_core_soft_reset - Issues core soft reset and PHY reset * @dwc: pointer to our context structure @@ -150,7 +204,7 @@ static void dwc3_free_event_buffers(struct dwc3 *dwc) struct dwc3_event_buffer *evt; int i; - for (i = 0; i < DWC3_EVENT_BUFFERS_NUM; i++) { + for (i = 0; i < dwc->num_event_buffers; i++) { evt = dwc->ev_buffs[i]; if (evt) { dwc3_free_one_event_buffer(dwc, evt); @@ -162,17 +216,25 @@ static void dwc3_free_event_buffers(struct dwc3 *dwc) /** * dwc3_alloc_event_buffers - Allocates @num event buffers of size @length * @dwc: Pointer to out controller context structure - * @num: number of event buffers to allocate * @length: size of event buffer * * Returns 0 on success otherwise negative errno. In error the case, dwc * may contain some buffers allocated but not all which were requested. */ -static int __devinit dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned num, - unsigned length) +static int __devinit dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) { + int num; int i; + num = DWC3_NUM_INT(dwc->hwparams.hwparams1); + dwc->num_event_buffers = num; + + dwc->ev_buffs = kzalloc(sizeof(*dwc->ev_buffs) * num, GFP_KERNEL); + if (!dwc->ev_buffs) { + dev_err(dwc->dev, "can't allocate event buffers array\n"); + return -ENOMEM; + } + for (i = 0; i < num; i++) { struct dwc3_event_buffer *evt; @@ -198,7 +260,7 @@ static int __devinit dwc3_event_buffers_setup(struct dwc3 *dwc) struct dwc3_event_buffer *evt; int n; - for (n = 0; n < DWC3_EVENT_BUFFERS_NUM; n++) { + for (n = 0; n < dwc->num_event_buffers; n++) { evt = dwc->ev_buffs[n]; dev_dbg(dwc->dev, "Event buf %p dma %08llx length %d\n", evt->buf, (unsigned long long) evt->dma, @@ -221,7 +283,7 @@ static void dwc3_event_buffers_cleanup(struct dwc3 *dwc) struct dwc3_event_buffer *evt; int n; - for (n = 0; n < DWC3_EVENT_BUFFERS_NUM; n++) { + for (n = 0; n < dwc->num_event_buffers; n++) { evt = dwc->ev_buffs[n]; dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(n), 0); dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n), 0); @@ -264,7 +326,7 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc) ret = -ENODEV; goto err0; } - dwc->revision = reg & DWC3_GSNPSREV_MASK; + dwc->revision = reg; dwc3_core_soft_reset(dwc); @@ -285,8 +347,32 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc) cpu_relax(); } while (true); - ret = dwc3_alloc_event_buffers(dwc, DWC3_EVENT_BUFFERS_NUM, - DWC3_EVENT_BUFFERS_SIZE); + dwc3_cache_hwparams(dwc); + + reg = dwc3_readl(dwc->regs, DWC3_GCTL); + reg &= ~DWC3_GCTL_SCALEDOWN(3); + reg &= ~DWC3_GCTL_DISSCRAMBLE; + + switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams1)) { + case DWC3_GHWPARAMS1_EN_PWROPT_CLK: + reg &= ~DWC3_GCTL_DSBLCLKGTNG; + break; + default: + dev_dbg(dwc->dev, "No power optimization available\n"); + } + + /* + * WORKAROUND: DWC3 revisions <1.90a have a bug + * when The device fails to connect at SuperSpeed + * and falls back to high-speed mode which causes + * the device to enter in a Connect/Disconnect loop + */ + if (dwc->revision < DWC3_REVISION_190A) + reg |= DWC3_GCTL_U2RSTECN; + + dwc3_writel(dwc->regs, DWC3_GCTL, reg); + + ret = dwc3_alloc_event_buffers(dwc, DWC3_EVENT_BUFFERS_SIZE); if (ret) { dev_err(dwc->dev, "failed to allocate event buffers\n"); ret = -ENOMEM; @@ -299,8 +385,6 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc) goto err1; } - dwc3_cache_hwparams(dwc); - return 0; err1: @@ -320,15 +404,17 @@ static void dwc3_core_exit(struct dwc3 *dwc) static int __devinit dwc3_probe(struct platform_device *pdev) { - const struct platform_device_id *id = platform_get_device_id(pdev); struct resource *res; struct dwc3 *dwc; - void __iomem *regs; - unsigned int features = id->driver_data; + int ret = -ENOMEM; int irq; + + void __iomem *regs; void *mem; + u8 mode; + mem = kzalloc(sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL); if (!mem) { dev_err(&pdev->dev, "not enough memory\n"); @@ -343,6 +429,8 @@ static int __devinit dwc3_probe(struct platform_device *pdev) goto err1; } + dwc->res = res; + res = request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev)); if (!res) { @@ -370,6 +458,17 @@ static int __devinit dwc3_probe(struct platform_device *pdev) dwc->dev = &pdev->dev; dwc->irq = irq; + if (!strncmp("super", maximum_speed, 5)) + dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; + else if (!strncmp("high", maximum_speed, 4)) + dwc->maximum_speed = DWC3_DCFG_HIGHSPEED; + else if (!strncmp("full", maximum_speed, 4)) + dwc->maximum_speed = DWC3_DCFG_FULLSPEED1; + else if (!strncmp("low", maximum_speed, 3)) + dwc->maximum_speed = DWC3_DCFG_LOWSPEED; + else + dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; + pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); pm_runtime_forbid(&pdev->dev); @@ -380,13 +479,44 @@ static int __devinit dwc3_probe(struct platform_device *pdev) goto err3; } - if (features & DWC3_HAS_PERIPHERAL) { + mode = DWC3_MODE(dwc->hwparams.hwparams0); + + switch (mode) { + case DWC3_MODE_DEVICE: + dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE); ret = dwc3_gadget_init(dwc); if (ret) { - dev_err(&pdev->dev, "failed to initialized gadget\n"); + dev_err(&pdev->dev, "failed to initialize gadget\n"); goto err4; } + break; + case DWC3_MODE_HOST: + dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_HOST); + ret = dwc3_host_init(dwc); + if (ret) { + dev_err(&pdev->dev, "failed to initialize host\n"); + goto err4; + } + break; + case DWC3_MODE_DRD: + dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_OTG); + ret = dwc3_host_init(dwc); + if (ret) { + dev_err(&pdev->dev, "failed to initialize host\n"); + goto err4; + } + + ret = dwc3_gadget_init(dwc); + if (ret) { + dev_err(&pdev->dev, "failed to initialize gadget\n"); + goto err4; + } + break; + default: + dev_err(&pdev->dev, "Unsupported mode of operation %d\n", mode); + goto err4; } + dwc->mode = mode; ret = dwc3_debugfs_init(dwc); if (ret) { @@ -399,8 +529,21 @@ static int __devinit dwc3_probe(struct platform_device *pdev) return 0; err5: - if (features & DWC3_HAS_PERIPHERAL) + switch (mode) { + case DWC3_MODE_DEVICE: + dwc3_gadget_exit(dwc); + break; + case DWC3_MODE_HOST: + dwc3_host_exit(dwc); + break; + case DWC3_MODE_DRD: + dwc3_host_exit(dwc); dwc3_gadget_exit(dwc); + break; + default: + /* do nothing */ + break; + } err4: dwc3_core_exit(dwc); @@ -420,10 +563,8 @@ err0: static int __devexit dwc3_remove(struct platform_device *pdev) { - const struct platform_device_id *id = platform_get_device_id(pdev); struct dwc3 *dwc = platform_get_drvdata(pdev); struct resource *res; - unsigned int features = id->driver_data; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -432,8 +573,21 @@ static int __devexit dwc3_remove(struct platform_device *pdev) dwc3_debugfs_exit(dwc); - if (features & DWC3_HAS_PERIPHERAL) + switch (dwc->mode) { + case DWC3_MODE_DEVICE: + dwc3_gadget_exit(dwc); + break; + case DWC3_MODE_HOST: + dwc3_host_exit(dwc); + break; + case DWC3_MODE_DRD: + dwc3_host_exit(dwc); dwc3_gadget_exit(dwc); + break; + default: + /* do nothing */ + break; + } dwc3_core_exit(dwc); release_mem_region(res->start, resource_size(res)); @@ -443,30 +597,15 @@ static int __devexit dwc3_remove(struct platform_device *pdev) return 0; } -static const struct platform_device_id dwc3_id_table[] __devinitconst = { - { - .name = "dwc3-omap", - .driver_data = (DWC3_HAS_PERIPHERAL - | DWC3_HAS_XHCI - | DWC3_HAS_OTG), - }, - { - .name = "dwc3-pci", - .driver_data = DWC3_HAS_PERIPHERAL, - }, - { }, /* Terminating Entry */ -}; -MODULE_DEVICE_TABLE(platform, dwc3_id_table); - static struct platform_driver dwc3_driver = { .probe = dwc3_probe, .remove = __devexit_p(dwc3_remove), .driver = { .name = "dwc3", }, - .id_table = dwc3_id_table, }; +MODULE_ALIAS("platform:dwc3"); MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver"); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 29a8e1679e12..9e57f8e9bf17 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -41,6 +41,7 @@ #include <linux/device.h> #include <linux/spinlock.h> +#include <linux/ioport.h> #include <linux/list.h> #include <linux/dma-mapping.h> #include <linux/mm.h> @@ -52,7 +53,6 @@ /* Global constants */ #define DWC3_ENDPOINTS_NUM 32 -#define DWC3_EVENT_BUFFERS_NUM 2 #define DWC3_EVENT_BUFFERS_SIZE PAGE_SIZE #define DWC3_EVENT_TYPE_MASK 0xfe @@ -153,6 +153,7 @@ #define DWC3_GCTL_CLK_PIPEHALF (2) #define DWC3_GCTL_CLK_MASK (3) +#define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12) #define DWC3_GCTL_PRTCAPDIR(n) (n << 12) #define DWC3_GCTL_PRTCAP_HOST 1 #define DWC3_GCTL_PRTCAP_DEVICE 2 @@ -347,6 +348,7 @@ struct dwc3_ep { u32 free_slot; u32 busy_slot; const struct usb_endpoint_descriptor *desc; + const struct usb_ss_ep_comp_descriptor *comp_desc; struct dwc3 *dwc; unsigned flags; @@ -536,6 +538,31 @@ struct dwc3_hwparams { u32 hwparams8; }; +/* HWPARAMS0 */ +#define DWC3_MODE(n) ((n) & 0x7) + +#define DWC3_MODE_DEVICE 0 +#define DWC3_MODE_HOST 1 +#define DWC3_MODE_DRD 2 +#define DWC3_MODE_HUB 3 + +/* HWPARAMS1 */ +#define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15) + +struct dwc3_request { + struct usb_request request; + struct list_head list; + struct dwc3_ep *dep; + + u8 epnum; + struct dwc3_trb_hw *trb; + dma_addr_t trb_dma; + + unsigned direction:1; + unsigned mapped:1; + unsigned queued:1; +}; + /** * struct dwc3 - representation of our controller * @ctrl_req: usb control request which is used for ep0 @@ -549,19 +576,24 @@ struct dwc3_hwparams { * @ep0_bounce_addr: dma address of ep0_bounce * @lock: for synchronizing * @dev: pointer to our struct device + * @xhci: pointer to our xHCI child * @event_buffer_list: a list of event buffers * @gadget: device side representation of the peripheral controller * @gadget_driver: pointer to the gadget driver * @regs: base address for our registers * @regs_size: address space size * @irq: IRQ number + * @num_event_buffers: calculated number of event buffers + * @u1u2: only used on revisions <1.83a for workaround + * @maximum_speed: maximum speed requested (mainly for testing purposes) * @revision: revision register contents + * @mode: mode of operation * @is_selfpowered: true when we are selfpowered * @three_stage_setup: set if we perform a three phase setup - * @ep0_status_pending: ep0 status response without a req is pending * @ep0_bounced: true when we used bounce buffer * @ep0_expect_in: true when we expect a DATA IN transfer * @start_config_issued: true when StartConfig command has been issued + * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround * @ep0_next_event: hold the next expected event * @ep0state: state of endpoint zero * @link_state: link state @@ -579,12 +611,15 @@ struct dwc3 { dma_addr_t ep0_trb_addr; dma_addr_t setup_buf_addr; dma_addr_t ep0_bounce_addr; - struct usb_request ep0_usb_req; + struct dwc3_request ep0_usb_req; /* device lock */ spinlock_t lock; struct device *dev; - struct dwc3_event_buffer *ev_buffs[DWC3_EVENT_BUFFERS_NUM]; + struct platform_device *xhci; + struct resource *res; + + struct dwc3_event_buffer **ev_buffs; struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM]; struct usb_gadget gadget; @@ -595,7 +630,11 @@ struct dwc3 { int irq; + u32 num_event_buffers; + u32 u1u2; + u32 maximum_speed; u32 revision; + u32 mode; #define DWC3_REVISION_173A 0x5533173a #define DWC3_REVISION_175A 0x5533175a @@ -607,10 +646,11 @@ struct dwc3 { unsigned is_selfpowered:1; unsigned three_stage_setup:1; - unsigned ep0_status_pending:1; unsigned ep0_bounced:1; unsigned ep0_expect_in:1; unsigned start_config_issued:1; + unsigned setup_packet_pending:1; + unsigned delayed_status:1; enum dwc3_ep0_next ep0_next_event; enum dwc3_ep0_state ep0state; @@ -765,4 +805,16 @@ union dwc3_event { #define DWC3_HAS_XHCI BIT(1) #define DWC3_HAS_OTG BIT(3) +/* prototypes */ +void dwc3_set_mode(struct dwc3 *dwc, u32 mode); + +int dwc3_host_init(struct dwc3 *dwc); +void dwc3_host_exit(struct dwc3 *dwc); + +int dwc3_gadget_init(struct dwc3 *dwc); +void dwc3_gadget_exit(struct dwc3 *dwc); + +extern int dwc3_get_device_id(void); +extern void dwc3_put_device_id(int id); + #endif /* __DRIVERS_USB_DWC3_CORE_H */ diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index da1ad77d8d51..433c97c15fc5 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -44,17 +44,12 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/delay.h> - -#include <asm/uaccess.h> +#include <linux/uaccess.h> #include "core.h" #include "gadget.h" #include "io.h" - -struct dwc3_register { - const char *name; - u32 offset; -}; +#include "debug.h" #define dump_register(nm) \ { \ @@ -62,7 +57,7 @@ struct dwc3_register { .offset = DWC3_ ##nm, \ } -static const struct dwc3_register dwc3_regs[] = { +static const struct debugfs_reg32 dwc3_regs[] = { dump_register(GSBUSCFG0), dump_register(GSBUSCFG1), dump_register(GTXTHRCFG), @@ -382,15 +377,10 @@ static const struct dwc3_register dwc3_regs[] = { static int dwc3_regdump_show(struct seq_file *s, void *unused) { struct dwc3 *dwc = s->private; - int i; seq_printf(s, "DesignWare USB3 Core Register Dump\n"); - - for (i = 0; i < ARRAY_SIZE(dwc3_regs); i++) { - seq_printf(s, "%-20s : %08x\n", dwc3_regs[i].name, - dwc3_readl(dwc->regs, dwc3_regs[i].offset)); - } - + debugfs_print_regs32(s, dwc3_regs, ARRAY_SIZE(dwc3_regs), + dwc->regs, ""); return 0; } @@ -405,6 +395,75 @@ static const struct file_operations dwc3_regdump_fops = { .release = single_release, }; +static int dwc3_mode_show(struct seq_file *s, void *unused) +{ + struct dwc3 *dwc = s->private; + unsigned long flags; + u32 reg; + + spin_lock_irqsave(&dwc->lock, flags); + reg = dwc3_readl(dwc->regs, DWC3_GCTL); + spin_unlock_irqrestore(&dwc->lock, flags); + + switch (DWC3_GCTL_PRTCAP(reg)) { + case DWC3_GCTL_PRTCAP_HOST: + seq_printf(s, "host\n"); + break; + case DWC3_GCTL_PRTCAP_DEVICE: + seq_printf(s, "device\n"); + break; + case DWC3_GCTL_PRTCAP_OTG: + seq_printf(s, "OTG\n"); + break; + default: + seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg)); + } + + return 0; +} + +static int dwc3_mode_open(struct inode *inode, struct file *file) +{ + return single_open(file, dwc3_mode_show, inode->i_private); +} + +static ssize_t dwc3_mode_write(struct file *file, + const char __user *ubuf, size_t count, loff_t *ppos) +{ + struct seq_file *s = file->private_data; + struct dwc3 *dwc = s->private; + unsigned long flags; + u32 mode = 0; + char buf[32]; + + if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count))) + return -EFAULT; + + if (!strncmp(buf, "host", 4)) + mode |= DWC3_GCTL_PRTCAP_HOST; + + if (!strncmp(buf, "device", 6)) + mode |= DWC3_GCTL_PRTCAP_DEVICE; + + if (!strncmp(buf, "otg", 3)) + mode |= DWC3_GCTL_PRTCAP_OTG; + + if (mode) { + spin_lock_irqsave(&dwc->lock, flags); + dwc3_set_mode(dwc, mode); + spin_unlock_irqrestore(&dwc->lock, flags); + } + return count; +} + +static const struct file_operations dwc3_mode_fops = { + .open = dwc3_mode_open, + .write = dwc3_mode_write, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + int __devinit dwc3_debugfs_init(struct dwc3 *dwc) { struct dentry *root; @@ -412,7 +471,7 @@ int __devinit dwc3_debugfs_init(struct dwc3 *dwc) int ret; root = debugfs_create_dir(dev_name(dwc->dev), NULL); - if (IS_ERR(root)){ + if (IS_ERR(root)) { ret = PTR_ERR(root); goto err0; } @@ -425,6 +484,14 @@ int __devinit dwc3_debugfs_init(struct dwc3 *dwc) ret = PTR_ERR(file); goto err1; } + + file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, + dwc, &dwc3_mode_fops); + if (IS_ERR(file)) { + ret = PTR_ERR(file); + goto err1; + } + return 0; err1: diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 062552b5fc8a..3274ac8f1200 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -48,6 +48,7 @@ #include <linux/io.h> #include <linux/module.h> +#include "core.h" #include "io.h" /* @@ -200,6 +201,7 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev) struct dwc3_omap *omap; struct resource *res; + int devid; int ret = -ENOMEM; int irq; @@ -236,16 +238,20 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev) goto err1; } - dwc3 = platform_device_alloc("dwc3-omap", -1); + devid = dwc3_get_device_id(); + if (devid < 0) + goto err2; + + dwc3 = platform_device_alloc("dwc3", devid); if (!dwc3) { dev_err(&pdev->dev, "couldn't allocate dwc3 device\n"); - goto err2; + goto err3; } context = kzalloc(resource_size(res), GFP_KERNEL); if (!context) { dev_err(&pdev->dev, "couldn't allocate dwc3 context memory\n"); - goto err3; + goto err4; } spin_lock_init(&omap->lock); @@ -299,7 +305,7 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "failed to request IRQ #%d --> %d\n", omap->irq, ret); - goto err4; + goto err5; } /* enable all IRQs */ @@ -322,26 +328,29 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev) pdev->num_resources); if (ret) { dev_err(&pdev->dev, "couldn't add resources to dwc3 device\n"); - goto err5; + goto err6; } ret = platform_device_add(dwc3); if (ret) { dev_err(&pdev->dev, "failed to register dwc3 device\n"); - goto err5; + goto err6; } return 0; -err5: +err6: free_irq(omap->irq, omap); -err4: +err5: kfree(omap->context); -err3: +err4: platform_device_put(dwc3); +err3: + dwc3_put_device_id(devid); + err2: iounmap(base); @@ -358,6 +367,7 @@ static int __devexit dwc3_omap_remove(struct platform_device *pdev) platform_device_unregister(omap->dwc3); + dwc3_put_device_id(omap->dwc3->id); free_irq(omap->irq, omap); iounmap(omap->base); @@ -384,18 +394,9 @@ static struct platform_driver dwc3_omap_driver = { }, }; +module_platform_driver(dwc3_omap_driver); + +MODULE_ALIAS("platform:omap-dwc3"); MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_DESCRIPTION("DesignWare USB3 OMAP Glue Layer"); - -static int __devinit dwc3_omap_init(void) -{ - return platform_driver_register(&dwc3_omap_driver); -} -module_init(dwc3_omap_init); - -static void __exit dwc3_omap_exit(void) -{ - platform_driver_unregister(&dwc3_omap_driver); -} -module_exit(dwc3_omap_exit); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index f77c00042685..64e1f7c67b08 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -42,52 +42,17 @@ #include <linux/pci.h> #include <linux/platform_device.h> +#include "core.h" + /* FIXME define these in <linux/pci_ids.h> */ #define PCI_VENDOR_ID_SYNOPSYS 0x16c3 #define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd -#define DWC3_PCI_DEVS_POSSIBLE 32 - struct dwc3_pci { struct device *dev; struct platform_device *dwc3; }; -static DECLARE_BITMAP(dwc3_pci_devs, DWC3_PCI_DEVS_POSSIBLE); - -static int dwc3_pci_get_device_id(struct dwc3_pci *glue) -{ - int id; - -again: - id = find_first_zero_bit(dwc3_pci_devs, DWC3_PCI_DEVS_POSSIBLE); - if (id < DWC3_PCI_DEVS_POSSIBLE) { - int old; - - old = test_and_set_bit(id, dwc3_pci_devs); - if (old) - goto again; - } else { - dev_err(glue->dev, "no space for new device\n"); - id = -ENOMEM; - } - - return 0; -} - -static void dwc3_pci_put_device_id(struct dwc3_pci *glue, int id) -{ - int ret; - - if (id < 0) - return; - - ret = test_bit(id, dwc3_pci_devs); - WARN(!ret, "Device: %s\nID %d not in use\n", - dev_driver_string(glue->dev), id); - clear_bit(id, dwc3_pci_devs); -} - static int __devinit dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) { @@ -114,11 +79,11 @@ static int __devinit dwc3_pci_probe(struct pci_dev *pci, pci_set_power_state(pci, PCI_D0); pci_set_master(pci); - devid = dwc3_pci_get_device_id(glue); + devid = dwc3_get_device_id(); if (devid < 0) goto err2; - dwc3 = platform_device_alloc("dwc3-pci", devid); + dwc3 = platform_device_alloc("dwc3", devid); if (!dwc3) { dev_err(&pci->dev, "couldn't allocate dwc3 device\n"); goto err3; @@ -163,13 +128,13 @@ err4: platform_device_put(dwc3); err3: - dwc3_pci_put_device_id(glue, devid); + dwc3_put_device_id(devid); err2: pci_disable_device(pci); err1: - kfree(pci); + kfree(glue); err0: return ret; @@ -179,7 +144,7 @@ static void __devexit dwc3_pci_remove(struct pci_dev *pci) { struct dwc3_pci *glue = pci_get_drvdata(pci); - dwc3_pci_put_device_id(glue, glue->dwc3->id); + dwc3_put_device_id(glue->dwc3->id); platform_device_unregister(glue->dwc3); pci_set_drvdata(pci, NULL); pci_disable_device(pci); @@ -196,7 +161,7 @@ static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = { MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); static struct pci_driver dwc3_pci_driver = { - .name = "pci-dwc3", + .name = "dwc3-pci", .id_table = dwc3_pci_id_table, .probe = dwc3_pci_probe, .remove = __devexit_p(dwc3_pci_remove), diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 69a4e43ddf59..2f51de57593a 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -48,13 +48,13 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> +#include <linux/usb/composite.h> #include "core.h" #include "gadget.h" #include "io.h" -static void dwc3_ep0_inspect_setup(struct dwc3 *dwc, - const struct dwc3_event_depevt *event); +static void dwc3_ep0_do_control_status(struct dwc3 *dwc, u32 epnum); static const char *dwc3_ep0_state_string(enum dwc3_ep0_state state) { @@ -125,6 +125,8 @@ static int dwc3_ep0_start_trans(struct dwc3 *dwc, u8 epnum, dma_addr_t buf_dma, static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, struct dwc3_request *req) { + struct dwc3 *dwc = dep->dwc; + u32 type; int ret = 0; req->request.actual = 0; @@ -143,9 +145,7 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, * IRQ we were waiting for is long gone. */ if (dep->flags & DWC3_EP_PENDING_REQUEST) { - struct dwc3 *dwc = dep->dwc; unsigned direction; - u32 type; direction = !!(dep->flags & DWC3_EP0_DIR_IN); @@ -165,6 +165,13 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, req->request.dma, req->request.length, type); dep->flags &= ~(DWC3_EP_PENDING_REQUEST | DWC3_EP0_DIR_IN); + } else if (dwc->delayed_status) { + dwc->delayed_status = false; + + if (dwc->ep0state == EP0_STATUS_PHASE) + dwc3_ep0_do_control_status(dwc, 1); + else + dev_dbg(dwc->dev, "too early for delayed status\n"); } return ret; @@ -190,9 +197,7 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, } /* we share one TRB for ep0/1 */ - if (!list_empty(&dwc->eps[0]->request_list) || - !list_empty(&dwc->eps[1]->request_list) || - dwc->ep0_status_pending) { + if (!list_empty(&dep->request_list)) { ret = -EBUSY; goto out; } @@ -214,8 +219,9 @@ static void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) struct dwc3_ep *dep = dwc->eps[0]; /* stall is always issued on EP0 */ - __dwc3_gadget_ep_set_halt(dwc->eps[0], 1); - dwc->eps[0]->flags = DWC3_EP_ENABLED; + __dwc3_gadget_ep_set_halt(dep, 1); + dep->flags = DWC3_EP_ENABLED; + dwc->delayed_status = false; if (!list_empty(&dep->request_list)) { struct dwc3_request *req; @@ -254,17 +260,14 @@ static struct dwc3_ep *dwc3_wIndex_to_dep(struct dwc3 *dwc, __le16 wIndex_le) return NULL; } -static void dwc3_ep0_send_status_response(struct dwc3 *dwc) +static void dwc3_ep0_status_cmpl(struct usb_ep *ep, struct usb_request *req) { - dwc3_ep0_start_trans(dwc, 1, dwc->setup_buf_addr, - dwc->ep0_usb_req.length, - DWC3_TRBCTL_CONTROL_DATA); } - /* * ch 9.4.5 */ -static int dwc3_ep0_handle_status(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) +static int dwc3_ep0_handle_status(struct dwc3 *dwc, + struct usb_ctrlrequest *ctrl) { struct dwc3_ep *dep; u32 recip; @@ -291,7 +294,7 @@ static int dwc3_ep0_handle_status(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl case USB_RECIP_ENDPOINT: dep = dwc3_wIndex_to_dep(dwc, ctrl->wIndex); if (!dep) - return -EINVAL; + return -EINVAL; if (dep->flags & DWC3_EP_STALL) usb_status = 1 << USB_ENDPOINT_HALT; @@ -302,10 +305,14 @@ static int dwc3_ep0_handle_status(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl response_pkt = (__le16 *) dwc->setup_buf; *response_pkt = cpu_to_le16(usb_status); - dwc->ep0_usb_req.length = sizeof(*response_pkt); - dwc->ep0_status_pending = 1; - return 0; + dep = dwc->eps[0]; + dwc->ep0_usb_req.dep = dep; + dwc->ep0_usb_req.request.length = sizeof(*response_pkt); + dwc->ep0_usb_req.request.dma = dwc->setup_buf_addr; + dwc->ep0_usb_req.request.complete = dwc3_ep0_status_cmpl; + + return __dwc3_gadget_ep0_queue(dep, &dwc->ep0_usb_req); } static int dwc3_ep0_handle_feature(struct dwc3 *dwc, @@ -396,8 +403,7 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc, case USB_RECIP_ENDPOINT: switch (wValue) { case USB_ENDPOINT_HALT: - - dep = dwc3_wIndex_to_dep(dwc, ctrl->wIndex); + dep = dwc3_wIndex_to_dep(dwc, wIndex); if (!dep) return -EINVAL; ret = __dwc3_gadget_ep_set_halt(dep, set); @@ -422,8 +428,15 @@ static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) u32 reg; addr = le16_to_cpu(ctrl->wValue); - if (addr > 127) + if (addr > 127) { + dev_dbg(dwc->dev, "invalid device address %d\n", addr); return -EINVAL; + } + + if (dwc->dev_state == DWC3_CONFIGURED_STATE) { + dev_dbg(dwc->dev, "trying to set address when configured\n"); + return -EINVAL; + } reg = dwc3_readl(dwc->regs, DWC3_DCFG); reg &= ~(DWC3_DCFG_DEVADDR_MASK); @@ -473,8 +486,10 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) if (!cfg) dwc->dev_state = DWC3_ADDRESS_STATE; break; + default: + ret = -EINVAL; } - return 0; + return ret; } static int dwc3_ep0_std_request(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) @@ -537,6 +552,9 @@ static void dwc3_ep0_inspect_setup(struct dwc3 *dwc, else ret = dwc3_ep0_delegate_req(dwc, ctrl); + if (ret == USB_GADGET_DELAYED_STATUS) + dwc->delayed_status = true; + if (ret >= 0) return; @@ -550,27 +568,21 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, struct dwc3_request *r = NULL; struct usb_request *ur; struct dwc3_trb trb; - struct dwc3_ep *dep; + struct dwc3_ep *ep0; u32 transferred; u8 epnum; epnum = event->endpoint_number; - dep = dwc->eps[epnum]; + ep0 = dwc->eps[0]; dwc->ep0_next_event = DWC3_EP0_NRDY_STATUS; - if (!dwc->ep0_status_pending) { - r = next_request(&dwc->eps[0]->request_list); - ur = &r->request; - } else { - ur = &dwc->ep0_usb_req; - dwc->ep0_status_pending = 0; - } + r = next_request(&ep0->request_list); + ur = &r->request; dwc3_trb_to_nat(dwc->ep0_trb, &trb); if (dwc->ep0_bounced) { - struct dwc3_ep *ep0 = dwc->eps[0]; transferred = min_t(u32, ur->length, ep0->endpoint.maxpacket - trb.length); @@ -591,7 +603,7 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, * seems to be case when req.length > maxpacket. Could it be? */ if (r) - dwc3_gadget_giveback(dep, r, 0); + dwc3_gadget_giveback(ep0, r, 0); } } @@ -619,6 +631,7 @@ static void dwc3_ep0_xfer_complete(struct dwc3 *dwc, struct dwc3_ep *dep = dwc->eps[event->endpoint_number]; dep->flags &= ~DWC3_EP_BUSY; + dwc->setup_packet_pending = false; switch (dwc->ep0state) { case EP0_SETUP_PHASE: @@ -643,7 +656,6 @@ static void dwc3_ep0_xfer_complete(struct dwc3 *dwc, static void dwc3_ep0_do_control_setup(struct dwc3 *dwc, const struct dwc3_event_depevt *event) { - dwc->ep0state = EP0_SETUP_PHASE; dwc3_ep0_out_start(dwc); } @@ -655,12 +667,6 @@ static void dwc3_ep0_do_control_data(struct dwc3 *dwc, int ret; dep = dwc->eps[0]; - dwc->ep0state = EP0_DATA_PHASE; - - if (dwc->ep0_status_pending) { - dwc3_ep0_send_status_response(dwc); - return; - } if (list_empty(&dep->request_list)) { dev_vdbg(dwc->dev, "pending request for EP0 Data phase\n"); @@ -674,7 +680,6 @@ static void dwc3_ep0_do_control_data(struct dwc3 *dwc, req = next_request(&dep->request_list); req->direction = !!event->endpoint_number; - dwc->ep0state = EP0_DATA_PHASE; if (req->request.length == 0) { ret = dwc3_ep0_start_trans(dwc, event->endpoint_number, dwc->ctrl_req_addr, 0, @@ -706,35 +711,79 @@ static void dwc3_ep0_do_control_data(struct dwc3 *dwc, WARN_ON(ret < 0); } -static void dwc3_ep0_do_control_status(struct dwc3 *dwc, - const struct dwc3_event_depevt *event) +static int dwc3_ep0_start_control_status(struct dwc3_ep *dep) { + struct dwc3 *dwc = dep->dwc; u32 type; - int ret; - - dwc->ep0state = EP0_STATUS_PHASE; type = dwc->three_stage_setup ? DWC3_TRBCTL_CONTROL_STATUS3 : DWC3_TRBCTL_CONTROL_STATUS2; - ret = dwc3_ep0_start_trans(dwc, event->endpoint_number, + return dwc3_ep0_start_trans(dwc, dep->number, dwc->ctrl_req_addr, 0, type); +} - WARN_ON(ret < 0); +static void dwc3_ep0_do_control_status(struct dwc3 *dwc, u32 epnum) +{ + struct dwc3_ep *dep = dwc->eps[epnum]; + + WARN_ON(dwc3_ep0_start_control_status(dep)); } static void dwc3_ep0_xfernotready(struct dwc3 *dwc, const struct dwc3_event_depevt *event) { + dwc->setup_packet_pending = true; + + /* + * This part is very tricky: If we has just handled + * XferNotReady(Setup) and we're now expecting a + * XferComplete but, instead, we receive another + * XferNotReady(Setup), we should STALL and restart + * the state machine. + * + * In all other cases, we just continue waiting + * for the XferComplete event. + * + * We are a little bit unsafe here because we're + * not trying to ensure that last event was, indeed, + * XferNotReady(Setup). + * + * Still, we don't expect any condition where that + * should happen and, even if it does, it would be + * another error condition. + */ + if (dwc->ep0_next_event == DWC3_EP0_COMPLETE) { + switch (event->status) { + case DEPEVT_STATUS_CONTROL_SETUP: + dev_vdbg(dwc->dev, "Unexpected XferNotReady(Setup)\n"); + dwc3_ep0_stall_and_restart(dwc); + break; + case DEPEVT_STATUS_CONTROL_DATA: + /* FALLTHROUGH */ + case DEPEVT_STATUS_CONTROL_STATUS: + /* FALLTHROUGH */ + default: + dev_vdbg(dwc->dev, "waiting for XferComplete\n"); + } + + return; + } + switch (event->status) { case DEPEVT_STATUS_CONTROL_SETUP: dev_vdbg(dwc->dev, "Control Setup\n"); + + dwc->ep0state = EP0_SETUP_PHASE; + dwc3_ep0_do_control_setup(dwc, event); break; case DEPEVT_STATUS_CONTROL_DATA: dev_vdbg(dwc->dev, "Control Data\n"); + dwc->ep0state = EP0_DATA_PHASE; + if (dwc->ep0_next_event != DWC3_EP0_NRDY_DATA) { dev_vdbg(dwc->dev, "Expected %d got %d\n", dwc->ep0_next_event, @@ -764,6 +813,8 @@ static void dwc3_ep0_xfernotready(struct dwc3 *dwc, case DEPEVT_STATUS_CONTROL_STATUS: dev_vdbg(dwc->dev, "Control Status\n"); + dwc->ep0state = EP0_STATUS_PHASE; + if (dwc->ep0_next_event != DWC3_EP0_NRDY_STATUS) { dev_vdbg(dwc->dev, "Expected %d got %d\n", dwc->ep0_next_event, @@ -772,12 +823,19 @@ static void dwc3_ep0_xfernotready(struct dwc3 *dwc, dwc3_ep0_stall_and_restart(dwc); return; } - dwc3_ep0_do_control_status(dwc, event); + + if (dwc->delayed_status) { + WARN_ON_ONCE(event->endpoint_number != 1); + dev_vdbg(dwc->dev, "Mass Storage delayed status\n"); + return; + } + + dwc3_ep0_do_control_status(dwc, event->endpoint_number); } } void dwc3_ep0_interrupt(struct dwc3 *dwc, - const const struct dwc3_event_depevt *event) + const struct dwc3_event_depevt *event) { u8 epnum = event->endpoint_number; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index fa824cfdd2eb..a696bde53222 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -65,6 +65,22 @@ void dwc3_map_buffer_to_dma(struct dwc3_request *req) return; } + if (req->request.num_sgs) { + int mapped; + + mapped = dma_map_sg(dwc->dev, req->request.sg, + req->request.num_sgs, + req->direction ? DMA_TO_DEVICE + : DMA_FROM_DEVICE); + if (mapped < 0) { + dev_err(dwc->dev, "failed to map SGs\n"); + return; + } + + req->request.num_mapped_sgs = mapped; + return; + } + if (req->request.dma == DMA_ADDR_INVALID) { req->request.dma = dma_map_single(dwc->dev, req->request.buf, req->request.length, req->direction @@ -82,6 +98,17 @@ void dwc3_unmap_buffer_from_dma(struct dwc3_request *req) return; } + if (req->request.num_mapped_sgs) { + req->request.dma = DMA_ADDR_INVALID; + dma_unmap_sg(dwc->dev, req->request.sg, + req->request.num_sgs, + req->direction ? DMA_TO_DEVICE + : DMA_FROM_DEVICE); + + req->request.num_mapped_sgs = 0; + return; + } + if (req->mapped) { dma_unmap_single(dwc->dev, req->request.dma, req->request.length, req->direction @@ -97,7 +124,11 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, struct dwc3 *dwc = dep->dwc; if (req->queued) { - dep->busy_slot++; + if (req->request.num_mapped_sgs) + dep->busy_slot += req->request.num_mapped_sgs; + else + dep->busy_slot++; + /* * Skip LINK TRB. We can't use req->trb and check for * DWC3_TRBCTL_LINK_TRB because it points the TRB we just @@ -108,6 +139,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, dep->busy_slot++; } list_del(&req->list); + req->trb = NULL; if (req->request.status == -EINPROGRESS) req->request.status = status; @@ -251,7 +283,8 @@ static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep) } static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, - const struct usb_endpoint_descriptor *desc) + const struct usb_endpoint_descriptor *desc, + const struct usb_ss_ep_comp_descriptor *comp_desc) { struct dwc3_gadget_ep_cmd_params params; @@ -264,7 +297,7 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, params.param1 = DWC3_DEPCFG_XFER_COMPLETE_EN | DWC3_DEPCFG_XFER_NOT_READY_EN; - if (usb_endpoint_xfer_bulk(desc) && dep->endpoint.max_streams) { + if (usb_ss_max_streams(comp_desc) && usb_endpoint_xfer_bulk(desc)) { params.param1 |= DWC3_DEPCFG_STREAM_CAPABLE | DWC3_DEPCFG_STREAM_EVENT_EN; dep->stream_capable = true; @@ -317,7 +350,8 @@ static int dwc3_gadget_set_xfer_resource(struct dwc3 *dwc, struct dwc3_ep *dep) * Caller should take care of locking */ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, - const struct usb_endpoint_descriptor *desc) + const struct usb_endpoint_descriptor *desc, + const struct usb_ss_ep_comp_descriptor *comp_desc) { struct dwc3 *dwc = dep->dwc; u32 reg; @@ -329,7 +363,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, return ret; } - ret = dwc3_gadget_set_ep_config(dwc, dep, desc); + ret = dwc3_gadget_set_ep_config(dwc, dep, desc, comp_desc); if (ret) return ret; @@ -343,6 +377,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, return ret; dep->desc = desc; + dep->comp_desc = comp_desc; dep->type = usb_endpoint_type(desc); dep->flags |= DWC3_EP_ENABLED; @@ -405,6 +440,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) dep->stream_capable = false; dep->desc = NULL; + dep->comp_desc = NULL; dep->type = 0; dep->flags = 0; @@ -473,7 +509,7 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep, dev_vdbg(dwc->dev, "Enabling %s\n", dep->name); spin_lock_irqsave(&dwc->lock, flags); - ret = __dwc3_gadget_ep_enable(dep, desc); + ret = __dwc3_gadget_ep_enable(dep, desc, ep->comp_desc); spin_unlock_irqrestore(&dwc->lock, flags); return ret; @@ -539,6 +575,85 @@ static void dwc3_gadget_ep_free_request(struct usb_ep *ep, kfree(req); } +/** + * dwc3_prepare_one_trb - setup one TRB from one request + * @dep: endpoint for which this request is prepared + * @req: dwc3_request pointer + */ +static void dwc3_prepare_one_trb(struct dwc3_ep *dep, + struct dwc3_request *req, dma_addr_t dma, + unsigned length, unsigned last, unsigned chain) +{ + struct dwc3 *dwc = dep->dwc; + struct dwc3_trb_hw *trb_hw; + struct dwc3_trb trb; + + unsigned int cur_slot; + + dev_vdbg(dwc->dev, "%s: req %p dma %08llx length %d%s%s\n", + dep->name, req, (unsigned long long) dma, + length, last ? " last" : "", + chain ? " chain" : ""); + + trb_hw = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK]; + cur_slot = dep->free_slot; + dep->free_slot++; + + /* Skip the LINK-TRB on ISOC */ + if (((cur_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) && + usb_endpoint_xfer_isoc(dep->desc)) + return; + + memset(&trb, 0, sizeof(trb)); + if (!req->trb) { + dwc3_gadget_move_request_queued(req); + req->trb = trb_hw; + req->trb_dma = dwc3_trb_dma_offset(dep, trb_hw); + } + + if (usb_endpoint_xfer_isoc(dep->desc)) { + trb.isp_imi = true; + trb.csp = true; + } else { + trb.chn = chain; + trb.lst = last; + } + + if (usb_endpoint_xfer_bulk(dep->desc) && dep->stream_capable) + trb.sid_sofn = req->request.stream_id; + + switch (usb_endpoint_type(dep->desc)) { + case USB_ENDPOINT_XFER_CONTROL: + trb.trbctl = DWC3_TRBCTL_CONTROL_SETUP; + break; + + case USB_ENDPOINT_XFER_ISOC: + trb.trbctl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; + + /* IOC every DWC3_TRB_NUM / 4 so we can refill */ + if (!(cur_slot % (DWC3_TRB_NUM / 4))) + trb.ioc = last; + break; + + case USB_ENDPOINT_XFER_BULK: + case USB_ENDPOINT_XFER_INT: + trb.trbctl = DWC3_TRBCTL_NORMAL; + break; + default: + /* + * This is only possible with faulty memory because we + * checked it already :) + */ + BUG(); + } + + trb.length = length; + trb.bplh = dma; + trb.hwo = true; + + dwc3_trb_to_hw(&trb, trb_hw); +} + /* * dwc3_prepare_trbs - setup TRBs from requests * @dep: endpoint for which requests are being prepared @@ -548,18 +663,17 @@ static void dwc3_gadget_ep_free_request(struct usb_ep *ep, * transfers. The functions returns once there are not more TRBs available or * it run out of requests. */ -static struct dwc3_request *dwc3_prepare_trbs(struct dwc3_ep *dep, - bool starting) +static void dwc3_prepare_trbs(struct dwc3_ep *dep, bool starting) { - struct dwc3_request *req, *n, *ret = NULL; - struct dwc3_trb_hw *trb_hw; - struct dwc3_trb trb; + struct dwc3_request *req, *n; u32 trbs_left; + unsigned int last_one = 0; BUILD_BUG_ON_NOT_POWER_OF_2(DWC3_TRB_NUM); /* the first request must not be queued */ trbs_left = (dep->busy_slot - dep->free_slot) & DWC3_TRB_MASK; + /* * if busy & slot are equal than it is either full or empty. If we are * starting to proceed requests then we are empty. Otherwise we ar @@ -567,7 +681,7 @@ static struct dwc3_request *dwc3_prepare_trbs(struct dwc3_ep *dep, */ if (!trbs_left) { if (!starting) - return NULL; + return; trbs_left = DWC3_TRB_NUM; /* * In case we start from scratch, we queue the ISOC requests @@ -591,94 +705,62 @@ static struct dwc3_request *dwc3_prepare_trbs(struct dwc3_ep *dep, /* The last TRB is a link TRB, not used for xfer */ if ((trbs_left <= 1) && usb_endpoint_xfer_isoc(dep->desc)) - return NULL; + return; list_for_each_entry_safe(req, n, &dep->request_list, list) { - unsigned int last_one = 0; - unsigned int cur_slot; + unsigned length; + dma_addr_t dma; - trb_hw = &dep->trb_pool[dep->free_slot & DWC3_TRB_MASK]; - cur_slot = dep->free_slot; - dep->free_slot++; + if (req->request.num_mapped_sgs > 0) { + struct usb_request *request = &req->request; + struct scatterlist *sg = request->sg; + struct scatterlist *s; + int i; - /* Skip the LINK-TRB on ISOC */ - if (((cur_slot & DWC3_TRB_MASK) == DWC3_TRB_NUM - 1) && - usb_endpoint_xfer_isoc(dep->desc)) - continue; + for_each_sg(sg, s, request->num_mapped_sgs, i) { + unsigned chain = true; - dwc3_gadget_move_request_queued(req); - memset(&trb, 0, sizeof(trb)); - trbs_left--; + length = sg_dma_len(s); + dma = sg_dma_address(s); - /* Is our TRB pool empty? */ - if (!trbs_left) - last_one = 1; - /* Is this the last request? */ - if (list_empty(&dep->request_list)) - last_one = 1; + if (i == (request->num_mapped_sgs - 1) + || sg_is_last(s)) { + last_one = true; + chain = false; + } - /* - * FIXME we shouldn't need to set LST bit always but we are - * facing some weird problem with the Hardware where it doesn't - * complete even though it has been previously started. - * - * While we're debugging the problem, as a workaround to - * multiple TRBs handling, use only one TRB at a time. - */ - last_one = 1; + trbs_left--; + if (!trbs_left) + last_one = true; - req->trb = trb_hw; - if (!ret) - ret = req; + if (last_one) + chain = false; - trb.bplh = req->request.dma; + dwc3_prepare_one_trb(dep, req, dma, length, + last_one, chain); - if (usb_endpoint_xfer_isoc(dep->desc)) { - trb.isp_imi = true; - trb.csp = true; + if (last_one) + break; + } } else { - trb.lst = last_one; - } + dma = req->request.dma; + length = req->request.length; + trbs_left--; - if (usb_endpoint_xfer_bulk(dep->desc) && dep->stream_capable) - trb.sid_sofn = req->request.stream_id; - - switch (usb_endpoint_type(dep->desc)) { - case USB_ENDPOINT_XFER_CONTROL: - trb.trbctl = DWC3_TRBCTL_CONTROL_SETUP; - break; + if (!trbs_left) + last_one = 1; - case USB_ENDPOINT_XFER_ISOC: - trb.trbctl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; + /* Is this the last request? */ + if (list_is_last(&req->list, &dep->request_list)) + last_one = 1; - /* IOC every DWC3_TRB_NUM / 4 so we can refill */ - if (!(cur_slot % (DWC3_TRB_NUM / 4))) - trb.ioc = last_one; - break; + dwc3_prepare_one_trb(dep, req, dma, length, + last_one, false); - case USB_ENDPOINT_XFER_BULK: - case USB_ENDPOINT_XFER_INT: - trb.trbctl = DWC3_TRBCTL_NORMAL; - break; - default: - /* - * This is only possible with faulty memory because we - * checked it already :) - */ - BUG(); + if (last_one) + break; } - - trb.length = req->request.length; - trb.hwo = true; - - dwc3_trb_to_hw(&trb, trb_hw); - req->trb_dma = dwc3_trb_dma_offset(dep, trb_hw); - - if (last_one) - break; } - - return ret; } static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param, @@ -707,11 +789,13 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param, /* req points to the first request which will be sent */ req = next_request(&dep->req_queued); } else { + dwc3_prepare_trbs(dep, start_new); + /* * req points to the first request where HWO changed * from 0 to 1 */ - req = dwc3_prepare_trbs(dep, start_new); + req = next_request(&dep->req_queued); } if (!req) { dep->flags |= DWC3_EP_PENDING_REQUEST; @@ -745,8 +829,9 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep, u16 cmd_param, dep->flags |= DWC3_EP_BUSY; dep->res_trans_idx = dwc3_gadget_ep_get_transfer_index(dwc, dep->number); - if (!dep->res_trans_idx) - printk_once(KERN_ERR "%s() res_trans_idx is invalid\n", __func__); + + WARN_ON_ONCE(!dep->res_trans_idx); + return 0; } @@ -1155,35 +1240,9 @@ static int dwc3_gadget_start(struct usb_gadget *g, dwc->gadget_driver = driver; dwc->gadget.dev.driver = &driver->driver; - reg = dwc3_readl(dwc->regs, DWC3_GCTL); - - reg &= ~DWC3_GCTL_SCALEDOWN(3); - reg &= ~DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG); - reg &= ~DWC3_GCTL_DISSCRAMBLE; - reg |= DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_DEVICE); - - switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc->hwparams.hwparams0)) { - case DWC3_GHWPARAMS1_EN_PWROPT_CLK: - reg &= ~DWC3_GCTL_DSBLCLKGTNG; - break; - default: - dev_dbg(dwc->dev, "No power optimization available\n"); - } - - /* - * WORKAROUND: DWC3 revisions <1.90a have a bug - * when The device fails to connect at SuperSpeed - * and falls back to high-speed mode which causes - * the device to enter in a Connect/Disconnect loop - */ - if (dwc->revision < DWC3_REVISION_190A) - reg |= DWC3_GCTL_U2RSTECN; - - dwc3_writel(dwc->regs, DWC3_GCTL, reg); - reg = dwc3_readl(dwc->regs, DWC3_DCFG); reg &= ~(DWC3_DCFG_SPEED_MASK); - reg |= DWC3_DCFG_SUPERSPEED; + reg |= dwc->maximum_speed; dwc3_writel(dwc->regs, DWC3_DCFG, reg); dwc->start_config_issued = false; @@ -1192,14 +1251,14 @@ static int dwc3_gadget_start(struct usb_gadget *g, dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); dep = dwc->eps[0]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc); + ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); goto err0; } dep = dwc->eps[1]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc); + ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); goto err1; @@ -1284,16 +1343,16 @@ static int __devinit dwc3_gadget_init_endpoints(struct dwc3 *dwc) int ret; dep->endpoint.maxpacket = 1024; + dep->endpoint.max_streams = 15; dep->endpoint.ops = &dwc3_gadget_ep_ops; list_add_tail(&dep->endpoint.ep_list, &dwc->gadget.ep_list); ret = dwc3_alloc_trb_pool(dep); - if (ret) { - dev_err(dwc->dev, "%s: failed to allocate TRB pool\n", dep->name); + if (ret) return ret; - } } + INIT_LIST_HEAD(&dep->request_list); INIT_LIST_HEAD(&dep->req_queued); } @@ -1333,8 +1392,10 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep, do { req = next_request(&dep->req_queued); - if (!req) - break; + if (!req) { + WARN_ON_ONCE(1); + return 1; + } dwc3_trb_to_nat(req->trb, &trb); @@ -1399,6 +1460,31 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc, dep->flags &= ~DWC3_EP_BUSY; dep->res_trans_idx = 0; } + + /* + * WORKAROUND: This is the 2nd half of U1/U2 -> U0 workaround. + * See dwc3_gadget_linksts_change_interrupt() for 1st half. + */ + if (dwc->revision < DWC3_REVISION_183A) { + u32 reg; + int i; + + for (i = 0; i < DWC3_ENDPOINTS_NUM; i++) { + struct dwc3_ep *dep = dwc->eps[i]; + + if (!(dep->flags & DWC3_EP_ENABLED)) + continue; + + if (!list_empty(&dep->req_queued)) + return; + } + + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + reg |= dwc->u1u2; + dwc3_writel(dwc->regs, DWC3_DCTL, reg); + + dwc->u1u2 = 0; + } } static void dwc3_gadget_start_isoc(struct dwc3 *dwc, @@ -1638,6 +1724,7 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc) dwc->start_config_issued = false; dwc->gadget.speed = USB_SPEED_UNKNOWN; + dwc->setup_packet_pending = false; } static void dwc3_gadget_usb3_phy_power(struct dwc3 *dwc, int on) @@ -1674,6 +1761,40 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc) dev_vdbg(dwc->dev, "%s\n", __func__); + /* + * WORKAROUND: DWC3 revisions <1.88a have an issue which + * would cause a missing Disconnect Event if there's a + * pending Setup Packet in the FIFO. + * + * There's no suggested workaround on the official Bug + * report, which states that "unless the driver/application + * is doing any special handling of a disconnect event, + * there is no functional issue". + * + * Unfortunately, it turns out that we _do_ some special + * handling of a disconnect event, namely complete all + * pending transfers, notify gadget driver of the + * disconnection, and so on. + * + * Our suggested workaround is to follow the Disconnect + * Event steps here, instead, based on a setup_packet_pending + * flag. Such flag gets set whenever we have a XferNotReady + * event on EP0 and gets cleared on XferComplete for the + * same endpoint. + * + * Refers to: + * + * STAR#9000466709: RTL: Device : Disconnect event not + * generated if setup packet pending in FIFO + */ + if (dwc->revision < DWC3_REVISION_188A) { + if (dwc->setup_packet_pending) + dwc3_gadget_disconnect_interrupt(dwc); + } + + /* after reset -> Default State */ + dwc->dev_state = DWC3_DEFAULT_STATE; + /* Enable PHYs */ dwc3_gadget_usb2_phy_power(dwc, true); dwc3_gadget_usb3_phy_power(dwc, true); @@ -1754,6 +1875,22 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) switch (speed) { case DWC3_DCFG_SUPERSPEED: + /* + * WORKAROUND: DWC3 revisions <1.90a have an issue which + * would cause a missing USB3 Reset event. + * + * In such situations, we should force a USB3 Reset + * event by calling our dwc3_gadget_reset_interrupt() + * routine. + * + * Refers to: + * + * STAR#9000483510: RTL: SS : USB3 reset event may + * not be generated always when the link enters poll + */ + if (dwc->revision < DWC3_REVISION_190A) + dwc3_gadget_reset_interrupt(dwc); + dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); dwc->gadget.ep0->maxpacket = 512; dwc->gadget.speed = USB_SPEED_SUPER; @@ -1780,14 +1917,14 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) dwc3_gadget_disable_phy(dwc, dwc->gadget.speed); dep = dwc->eps[0]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc); + ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); return; } dep = dwc->eps[1]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc); + ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); return; @@ -1817,8 +1954,55 @@ static void dwc3_gadget_wakeup_interrupt(struct dwc3 *dwc) static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc, unsigned int evtinfo) { - /* The fith bit says SuperSpeed yes or no. */ - dwc->link_state = evtinfo & DWC3_LINK_STATE_MASK; + enum dwc3_link_state next = evtinfo & DWC3_LINK_STATE_MASK; + + /* + * WORKAROUND: DWC3 Revisions <1.83a have an issue which, depending + * on the link partner, the USB session might do multiple entry/exit + * of low power states before a transfer takes place. + * + * Due to this problem, we might experience lower throughput. The + * suggested workaround is to disable DCTL[12:9] bits if we're + * transitioning from U1/U2 to U0 and enable those bits again + * after a transfer completes and there are no pending transfers + * on any of the enabled endpoints. + * + * This is the first half of that workaround. + * + * Refers to: + * + * STAR#9000446952: RTL: Device SS : if U1/U2 ->U0 takes >128us + * core send LGO_Ux entering U0 + */ + if (dwc->revision < DWC3_REVISION_183A) { + if (next == DWC3_LINK_STATE_U0) { + u32 u1u2; + u32 reg; + + switch (dwc->link_state) { + case DWC3_LINK_STATE_U1: + case DWC3_LINK_STATE_U2: + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + u1u2 = reg & (DWC3_DCTL_INITU2ENA + | DWC3_DCTL_ACCEPTU2ENA + | DWC3_DCTL_INITU1ENA + | DWC3_DCTL_ACCEPTU1ENA); + + if (!dwc->u1u2) + dwc->u1u2 = reg & u1u2; + + reg &= ~u1u2; + + dwc3_writel(dwc->regs, DWC3_DCTL, reg); + break; + default: + /* do nothing */ + break; + } + } + } + + dwc->link_state = next; dev_vdbg(dwc->dev, "%s link %d\n", __func__, dwc->link_state); } @@ -1924,7 +2108,7 @@ static irqreturn_t dwc3_interrupt(int irq, void *_dwc) spin_lock(&dwc->lock); - for (i = 0; i < DWC3_EVENT_BUFFERS_NUM; i++) { + for (i = 0; i < dwc->num_event_buffers; i++) { irqreturn_t status; status = dwc3_process_event_buf(dwc, i); @@ -1985,9 +2169,10 @@ int __devinit dwc3_gadget_init(struct dwc3 *dwc) dev_set_name(&dwc->gadget.dev, "gadget"); dwc->gadget.ops = &dwc3_gadget_ops; - dwc->gadget.is_dualspeed = true; + dwc->gadget.max_speed = USB_SPEED_SUPER; dwc->gadget.speed = USB_SPEED_UNKNOWN; dwc->gadget.dev.parent = dwc->dev; + dwc->gadget.sg_supported = true; dma_set_coherent_mask(&dwc->gadget.dev, dwc->dev->coherent_dma_mask); @@ -2075,7 +2260,6 @@ err0: void dwc3_gadget_exit(struct dwc3 *dwc) { int irq; - int i; usb_del_gadget_udc(&dwc->gadget); irq = platform_get_irq(to_platform_device(dwc->dev), 0); @@ -2083,9 +2267,6 @@ void dwc3_gadget_exit(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_DEVTEN, 0x00); free_irq(irq, dwc); - for (i = 0; i < ARRAY_SIZE(dwc->eps); i++) - __dwc3_gadget_ep_disable(dwc->eps[i]); - dwc3_gadget_free_endpoints(dwc); dma_free_coherent(dwc->dev, 512, dwc->ep0_bounce, diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 71145a449d99..d97f467d41cc 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -79,19 +79,6 @@ struct dwc3_gadget_ep_cmd_params { /* -------------------------------------------------------------------------- */ -struct dwc3_request { - struct usb_request request; - struct list_head list; - struct dwc3_ep *dep; - - u8 epnum; - struct dwc3_trb_hw *trb; - dma_addr_t trb_dma; - - unsigned direction:1; - unsigned mapped:1; - unsigned queued:1; -}; #define to_dwc3_request(r) (container_of(r, struct dwc3_request, request)) static inline struct dwc3_request *next_request(struct list_head *list) @@ -110,23 +97,11 @@ static inline void dwc3_gadget_move_request_queued(struct dwc3_request *req) list_move_tail(&req->list, &dep->req_queued); } -#if defined(CONFIG_USB_GADGET_DWC3) || defined(CONFIG_USB_GADGET_DWC3_MODULE) -int dwc3_gadget_init(struct dwc3 *dwc); -void dwc3_gadget_exit(struct dwc3 *dwc); -#else -static inline int dwc3_gadget_init(struct dwc3 *dwc) { return 0; } -static inline void dwc3_gadget_exit(struct dwc3 *dwc) { } -static inline int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, - unsigned cmd, struct dwc3_gadget_ep_cmd_params *params) -{ - return 0; -} -#endif - void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, int status); -void dwc3_ep0_interrupt(struct dwc3 *dwc, const struct dwc3_event_depevt *event); +void dwc3_ep0_interrupt(struct dwc3 *dwc, + const struct dwc3_event_depevt *event); void dwc3_ep0_out_start(struct dwc3 *dwc); int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct usb_request *request, gfp_t gfp_flags); diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c new file mode 100644 index 000000000000..7cfe211b6c37 --- /dev/null +++ b/drivers/usb/dwc3/host.c @@ -0,0 +1,102 @@ +/** + * host.c - DesignWare USB3 DRD Controller Host Glue + * + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com + * + * Authors: Felipe Balbi <balbi@ti.com>, + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The names of the above-listed copyright holders may not be used + * to endorse or promote products derived from this software without + * specific prior written permission. + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2, as published by the Free + * Software Foundation. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/platform_device.h> + +#include "core.h" + +static struct resource generic_resources[] = { + { + .flags = IORESOURCE_IRQ, + }, + { + .flags = IORESOURCE_MEM, + }, +}; + +int dwc3_host_init(struct dwc3 *dwc) +{ + struct platform_device *xhci; + int ret; + + xhci = platform_device_alloc("xhci", -1); + if (!xhci) { + dev_err(dwc->dev, "couldn't allocate xHCI device\n"); + ret = -ENOMEM; + goto err0; + } + + dma_set_coherent_mask(&xhci->dev, dwc->dev->coherent_dma_mask); + + xhci->dev.parent = dwc->dev; + xhci->dev.dma_mask = dwc->dev->dma_mask; + xhci->dev.dma_parms = dwc->dev->dma_parms; + + dwc->xhci = xhci; + + /* setup resources */ + generic_resources[0].start = dwc->irq; + + generic_resources[1].start = dwc->res->start; + generic_resources[1].end = dwc->res->start + 0x7fff; + + ret = platform_device_add_resources(xhci, generic_resources, + ARRAY_SIZE(generic_resources)); + if (ret) { + dev_err(dwc->dev, "couldn't add resources to xHCI device\n"); + goto err1; + } + + ret = platform_device_add(xhci); + if (ret) { + dev_err(dwc->dev, "failed to register xHCI device\n"); + goto err1; + } + + return 0; + +err1: + platform_device_put(xhci); + +err0: + return ret; +} + +void dwc3_host_exit(struct dwc3 *dwc) +{ + platform_device_unregister(dwc->xhci); +} diff --git a/drivers/usb/dwc3/io.h b/drivers/usb/dwc3/io.h index bc957db1ea4b..071d561f3e68 100644 --- a/drivers/usb/dwc3/io.h +++ b/drivers/usb/dwc3/io.h @@ -39,7 +39,7 @@ #ifndef __DRIVERS_USB_DWC3_IO_H #define __DRIVERS_USB_DWC3_IO_H -#include <asm/io.h> +#include <linux/io.h> static inline u32 dwc3_readl(void __iomem *base, u32 offset) { diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index b21cd376c11a..7ecb68a67411 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -15,6 +15,7 @@ menuconfig USB_GADGET tristate "USB Gadget Support" + select NLS help USB is a master/slave protocol, organized with one master host (such as a PC) controlling up to 127 peripheral devices. @@ -124,7 +125,6 @@ config USB_GADGET_STORAGE_NUM_BUFFERS # choice prompt "USB Peripheral Controller" - depends on USB_GADGET help A USB device uses a controller to talk to its host. Systems should have only one such upstream link. @@ -234,7 +234,6 @@ config USB_R8A66597 config USB_RENESAS_USBHS_UDC tristate 'Renesas USBHS controller' - depends on SUPERH || ARCH_SHMOBILE depends on USB_RENESAS_USBHS select USB_GADGET_DUALSPEED help @@ -264,7 +263,6 @@ config USB_PXA27X config USB_S3C_HSOTG tristate "S3C HS/OtG USB Device controller" depends on S3C_DEV_USB_HSOTG - select USB_GADGET_S3C_HSOTG_PIO select USB_GADGET_DUALSPEED help The Samsung S3C64XX USB2.0 high-speed gadget controller @@ -310,25 +308,13 @@ config USB_S3C_HSUDC This driver has been tested on S3C2416 and S3C2450 processors. -config USB_PXA_U2O - tristate "PXA9xx Processor USB2.0 controller" - depends on ARCH_MMP +config USB_MV_UDC + tristate "Marvell USB2.0 Device Controller" select USB_GADGET_DUALSPEED help - PXA9xx Processor series include a high speed USB2.0 device - controller, which support high speed and full speed USB peripheral. - -config USB_GADGET_DWC3 - tristate "DesignWare USB3.0 (DRD) Controller" - depends on USB_DWC3 - select USB_GADGET_DUALSPEED - select USB_GADGET_SUPERSPEED - help - DesignWare USB3.0 controller is a SuperSpeed USB3.0 Controller - which can be configured for peripheral-only, host-only, hub-only - and Dual-Role operation. This Controller was first integrated into - the OMAP5 series of processors. More information about the OMAP5 - version of this controller, refer to http://www.ti.com/omap5. + Marvell Socs (including PXA and MMP series) include a high speed + USB2.0 OTG controller, which can be configured as high speed or + full speed USB peripheral. # # Controllers available in both integrated and discrete versions @@ -469,7 +455,7 @@ config USB_LANGWELL gadget drivers to also be dynamically linked. config USB_EG20T - tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH UDC" + tristate "Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7831) UDC" depends on PCI select USB_GADGET_DUALSPEED help @@ -485,10 +471,11 @@ config USB_EG20T This driver dose not support interrupt transfer or isochronous transfer modes. - This driver also can be used for OKI SEMICONDUCTOR's ML7213 which is + This driver also can be used for LAPIS Semiconductor's ML7213 which is for IVI(In-Vehicle Infotainment) use. - ML7213 is companion chip for Intel Atom E6xx series. - ML7213 is completely compatible for Intel EG20T PCH. + ML7831 is for general purpose use. + ML7213/ML7831 is companion chip for Intel Atom E6xx series. + ML7213/ML7831 is completely compatible for Intel EG20T PCH. config USB_CI13XXX_MSM tristate "MIPS USB CI13xxx for MSM" @@ -543,12 +530,10 @@ endchoice # Selected by UDC drivers that support high-speed operation. config USB_GADGET_DUALSPEED bool - depends on USB_GADGET # Selected by UDC drivers that support super-speed opperation config USB_GADGET_SUPERSPEED bool - depends on USB_GADGET depends on USB_GADGET_DUALSPEED # @@ -556,7 +541,6 @@ config USB_GADGET_SUPERSPEED # choice tristate "USB Gadget Drivers" - depends on USB_GADGET default USB_ETH help A Linux "Gadget Driver" talks to the USB Peripheral Controller diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index b54ac6190890..b7f6eefc3927 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -27,7 +27,7 @@ obj-$(CONFIG_USB_S3C_HSOTG) += s3c-hsotg.o obj-$(CONFIG_USB_S3C_HSUDC) += s3c-hsudc.o obj-$(CONFIG_USB_LANGWELL) += langwell_udc.o obj-$(CONFIG_USB_EG20T) += pch_udc.o -obj-$(CONFIG_USB_PXA_U2O) += mv_udc.o +obj-$(CONFIG_USB_MV_UDC) += mv_udc.o mv_udc-y := mv_udc_core.o obj-$(CONFIG_USB_CI13XXX_MSM) += ci13xxx_msm.o obj-$(CONFIG_USB_FUSB300) += fusb300_udc.o diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c index 4730016d7cd4..c16ff55a74e8 100644 --- a/drivers/usb/gadget/amd5536udc.c +++ b/drivers/usb/gadget/amd5536udc.c @@ -152,15 +152,15 @@ static const char *ep_string[] = { }; /* DMA usage flag */ -static int use_dma = 1; +static bool use_dma = 1; /* packet per buffer dma */ -static int use_dma_ppb = 1; +static bool use_dma_ppb = 1; /* with per descr. update */ -static int use_dma_ppb_du; +static bool use_dma_ppb_du; /* buffer fill mode */ static int use_dma_bufferfill_mode; /* full speed only mode */ -static int use_fullspeed; +static bool use_fullspeed; /* tx buffer size for high speed */ static unsigned long hs_tx_buf = UDC_EPIN_BUFF_SIZE; @@ -1959,7 +1959,7 @@ static int amd5536_start(struct usb_gadget_driver *driver, u32 tmp; if (!driver || !bind || !driver->setup - || driver->speed != USB_SPEED_HIGH) + || driver->max_speed < USB_SPEED_HIGH) return -EINVAL; if (!dev) return -ENODEV; @@ -3349,7 +3349,7 @@ static int udc_probe(struct udc *dev) dev_set_name(&dev->gadget.dev, "gadget"); dev->gadget.dev.release = gadget_release; dev->gadget.name = name; - dev->gadget.is_dualspeed = 1; + dev->gadget.max_speed = USB_SPEED_HIGH; /* init registers, interrupts, ... */ startup_registers(dev); diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 8efe0fa9228d..143a7256b598 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1633,7 +1633,7 @@ static int at91_start(struct usb_gadget_driver *driver, unsigned long flags; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->setup) { DBG("bad parameter.\n"); @@ -1748,7 +1748,7 @@ static int __init at91udc_probe(struct platform_device *pdev) /* rm9200 needs manual D+ pullup; off by default */ if (cpu_is_at91rm9200()) { - if (udc->board.pullup_pin <= 0) { + if (gpio_is_valid(udc->board.pullup_pin)) { DBG("no D+ pullup?\n"); retval = -ENODEV; goto fail0; @@ -1815,7 +1815,7 @@ static int __init at91udc_probe(struct platform_device *pdev) DBG("request irq %d failed\n", udc->udp_irq); goto fail1; } - if (udc->board.vbus_pin > 0) { + if (gpio_is_valid(udc->board.vbus_pin)) { retval = gpio_request(udc->board.vbus_pin, "udc_vbus"); if (retval < 0) { DBG("request vbus pin failed\n"); @@ -1859,10 +1859,10 @@ static int __init at91udc_probe(struct platform_device *pdev) INFO("%s version %s\n", driver_name, DRIVER_VERSION); return 0; fail4: - if (udc->board.vbus_pin > 0 && !udc->board.vbus_polled) + if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled) free_irq(udc->board.vbus_pin, udc); fail3: - if (udc->board.vbus_pin > 0) + if (gpio_is_valid(udc->board.vbus_pin)) gpio_free(udc->board.vbus_pin); fail2: free_irq(udc->udp_irq, udc); @@ -1897,7 +1897,7 @@ static int __exit at91udc_remove(struct platform_device *pdev) device_init_wakeup(&pdev->dev, 0); remove_debug_file(udc); - if (udc->board.vbus_pin > 0) { + if (gpio_is_valid(udc->board.vbus_pin)) { free_irq(udc->board.vbus_pin, udc); gpio_free(udc->board.vbus_pin); } @@ -1941,7 +1941,7 @@ static int at91udc_suspend(struct platform_device *pdev, pm_message_t mesg) enable_irq_wake(udc->udp_irq); udc->active_suspend = wake; - if (udc->board.vbus_pin > 0 && !udc->board.vbus_polled && wake) + if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled && wake) enable_irq_wake(udc->board.vbus_pin); return 0; } @@ -1951,7 +1951,7 @@ static int at91udc_resume(struct platform_device *pdev) struct at91_udc *udc = platform_get_drvdata(pdev); unsigned long flags; - if (udc->board.vbus_pin > 0 && !udc->board.vbus_polled && + if (gpio_is_valid(udc->board.vbus_pin) && !udc->board.vbus_polled && udc->active_suspend) disable_irq_wake(udc->board.vbus_pin); diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index 271a9d873608..e2fb6d583bd9 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -1038,7 +1038,7 @@ static struct usba_udc the_udc = { .gadget = { .ops = &usba_udc_ops, .ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list), - .is_dualspeed = 1, + .max_speed = USB_SPEED_HIGH, .name = "atmel_usba_udc", .dev = { .init_name = "gadget", diff --git a/drivers/usb/gadget/ci13xxx_msm.c b/drivers/usb/gadget/ci13xxx_msm.c index 4eedfe557154..1fc612914c52 100644 --- a/drivers/usb/gadget/ci13xxx_msm.c +++ b/drivers/usb/gadget/ci13xxx_msm.c @@ -122,3 +122,5 @@ static int __init ci13xxx_msm_init(void) return platform_driver_register(&ci13xxx_msm_driver); } module_init(ci13xxx_msm_init); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index 83428f56253b..27e313718422 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -71,6 +71,9 @@ /****************************************************************************** * DEFINE *****************************************************************************/ + +#define DMA_ADDR_INVALID (~(dma_addr_t)0) + /* ctrl register bank access */ static DEFINE_SPINLOCK(udc_lock); @@ -179,6 +182,16 @@ static inline int hw_ep_bit(int num, int dir) return num + (dir ? 16 : 0); } +static int ep_to_bit(int n) +{ + int fill = 16 - hw_ep_max / 2; + + if (n >= hw_ep_max / 2) + n += fill; + + return n; +} + /** * hw_aread: reads from register bitfield * @addr: address relative to bus map @@ -437,12 +450,13 @@ static int hw_ep_get_halt(int num, int dir) /** * hw_test_and_clear_setup_status: test & clear setup status (execute without * interruption) - * @n: bit number (endpoint) + * @n: endpoint number * * This function returns setup status */ static int hw_test_and_clear_setup_status(int n) { + n = ep_to_bit(n); return hw_ctest_and_clear(CAP_ENDPTSETUPSTAT, BIT(n)); } @@ -638,12 +652,13 @@ static int hw_register_write(u16 addr, u32 data) /** * hw_test_and_clear_complete: test & clear complete status (execute without * interruption) - * @n: bit number (endpoint) + * @n: endpoint number * * This function returns complete status */ static int hw_test_and_clear_complete(int n) { + n = ep_to_bit(n); return hw_ctest_and_clear(CAP_ENDPTCOMPLETE, BIT(n)); } @@ -751,8 +766,11 @@ static ssize_t show_device(struct device *dev, struct device_attribute *attr, n += scnprintf(buf + n, PAGE_SIZE - n, "speed = %d\n", gadget->speed); + n += scnprintf(buf + n, PAGE_SIZE - n, "max_speed = %d\n", + gadget->max_speed); + /* TODO: Scheduled for removal in 3.8. */ n += scnprintf(buf + n, PAGE_SIZE - n, "is_dualspeed = %d\n", - gadget->is_dualspeed); + gadget_is_dualspeed(gadget)); n += scnprintf(buf + n, PAGE_SIZE - n, "is_otg = %d\n", gadget->is_otg); n += scnprintf(buf + n, PAGE_SIZE - n, "is_a_peripheral = %d\n", @@ -795,7 +813,7 @@ static ssize_t show_driver(struct device *dev, struct device_attribute *attr, n += scnprintf(buf + n, PAGE_SIZE - n, "function = %s\n", (driver->function ? driver->function : "")); n += scnprintf(buf + n, PAGE_SIZE - n, "max speed = %d\n", - driver->speed); + driver->max_speed); return n; } @@ -1434,7 +1452,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) return -EALREADY; mReq->req.status = -EALREADY; - if (length && !mReq->req.dma) { + if (length && mReq->req.dma == DMA_ADDR_INVALID) { mReq->req.dma = \ dma_map_single(mEp->device, mReq->req.buf, length, mEp->dir ? DMA_TO_DEVICE : @@ -1453,7 +1471,7 @@ static int _hardware_enqueue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) dma_unmap_single(mEp->device, mReq->req.dma, length, mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - mReq->req.dma = 0; + mReq->req.dma = DMA_ADDR_INVALID; mReq->map = 0; } return -ENOMEM; @@ -1549,7 +1567,7 @@ static int _hardware_dequeue(struct ci13xxx_ep *mEp, struct ci13xxx_req *mReq) if (mReq->map) { dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length, mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - mReq->req.dma = 0; + mReq->req.dma = DMA_ADDR_INVALID; mReq->map = 0; } @@ -1610,7 +1628,6 @@ __acquires(mEp->lock) * @gadget: gadget * * This function returns an error code - * Caller must hold lock */ static int _gadget_stop_activity(struct usb_gadget *gadget) { @@ -2189,6 +2206,7 @@ static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) mReq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags); if (mReq != NULL) { INIT_LIST_HEAD(&mReq->queue); + mReq->req.dma = DMA_ADDR_INVALID; mReq->ptr = dma_pool_alloc(mEp->td_pool, gfp_flags, &mReq->dma); @@ -2328,7 +2346,7 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req) if (mReq->map) { dma_unmap_single(mEp->device, mReq->req.dma, mReq->req.length, mEp->dir ? DMA_TO_DEVICE : DMA_FROM_DEVICE); - mReq->req.dma = 0; + mReq->req.dma = DMA_ADDR_INVALID; mReq->map = 0; } req->status = -ECONNRESET; @@ -2500,12 +2518,12 @@ static int ci13xxx_wakeup(struct usb_gadget *_gadget) spin_lock_irqsave(udc->lock, flags); if (!udc->remote_wakeup) { ret = -EOPNOTSUPP; - dbg_trace("remote wakeup feature is not enabled\n"); + trace("remote wakeup feature is not enabled\n"); goto out; } if (!hw_cread(CAP_PORTSC, PORTSC_SUSP)) { ret = -EINVAL; - dbg_trace("port is not suspended\n"); + trace("port is not suspended\n"); goto out; } hw_cwrite(CAP_PORTSC, PORTSC_FPR, PORTSC_FPR); @@ -2560,9 +2578,7 @@ static int ci13xxx_start(struct usb_gadget_driver *driver, if (driver == NULL || bind == NULL || driver->setup == NULL || - driver->disconnect == NULL || - driver->suspend == NULL || - driver->resume == NULL) + driver->disconnect == NULL) return -EINVAL; else if (udc == NULL) return -ENODEV; @@ -2690,8 +2706,6 @@ static int ci13xxx_stop(struct usb_gadget_driver *driver) driver->unbind == NULL || driver->setup == NULL || driver->disconnect == NULL || - driver->suspend == NULL || - driver->resume == NULL || driver != udc->driver) return -EINVAL; @@ -2703,7 +2717,9 @@ static int ci13xxx_stop(struct usb_gadget_driver *driver) if (udc->udc_driver->notify_event) udc->udc_driver->notify_event(udc, CI13XXX_CONTROLLER_STOPPED_EVENT); + spin_unlock_irqrestore(udc->lock, flags); _gadget_stop_activity(&udc->gadget); + spin_lock_irqsave(udc->lock, flags); pm_runtime_put(&udc->gadget.dev); } @@ -2788,7 +2804,7 @@ static irqreturn_t udc_irq(void) isr_statistics.pci++; udc->gadget.speed = hw_port_is_high_speed() ? USB_SPEED_HIGH : USB_SPEED_FULL; - if (udc->suspended) { + if (udc->suspended && udc->driver->resume) { spin_unlock(udc->lock); udc->driver->resume(&udc->gadget); spin_lock(udc->lock); @@ -2802,7 +2818,8 @@ static irqreturn_t udc_irq(void) isr_tr_complete_handler(udc); } if (USBi_SLI & intr) { - if (udc->gadget.speed != USB_SPEED_UNKNOWN) { + if (udc->gadget.speed != USB_SPEED_UNKNOWN && + udc->driver->suspend) { udc->suspended = 1; spin_unlock(udc->lock); udc->driver->suspend(&udc->gadget); @@ -2850,7 +2867,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, struct ci13xxx *udc; int retval = 0; - trace("%p, %p, %p", dev, regs, name); + trace("%p, %p, %p", dev, regs, driver->name); if (dev == NULL || regs == NULL || driver == NULL || driver->name == NULL) @@ -2866,7 +2883,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, udc->gadget.ops = &usb_gadget_ops; udc->gadget.speed = USB_SPEED_UNKNOWN; - udc->gadget.is_dualspeed = 1; + udc->gadget.max_speed = USB_SPEED_HIGH; udc->gadget.is_otg = 0; udc->gadget.name = driver->name; diff --git a/drivers/usb/gadget/ci13xxx_udc.h b/drivers/usb/gadget/ci13xxx_udc.h index 23707775cb43..f4871e1fac59 100644 --- a/drivers/usb/gadget/ci13xxx_udc.h +++ b/drivers/usb/gadget/ci13xxx_udc.h @@ -127,7 +127,7 @@ struct ci13xxx { struct ci13xxx_ep ci13xxx_ep[ENDPT_MAX]; /* extended endpts */ u32 ep0_dir; /* ep0 direction */ #define ep0out ci13xxx_ep[0] -#define ep0in ci13xxx_ep[16] +#define ep0in ci13xxx_ep[hw_ep_max / 2] u8 remote_wakeup; /* Is remote wakeup feature enabled by the host? */ u8 suspended; /* suspended by the host */ diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index f71b0787983f..a95de6a4a134 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1535,9 +1535,9 @@ composite_resume(struct usb_gadget *gadget) static struct usb_gadget_driver composite_driver = { #ifdef CONFIG_USB_GADGET_SUPERSPEED - .speed = USB_SPEED_SUPER, + .max_speed = USB_SPEED_SUPER, #else - .speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_HIGH, #endif .unbind = composite_unbind, @@ -1584,8 +1584,8 @@ int usb_composite_probe(struct usb_composite_driver *driver, driver->iProduct = driver->name; composite_driver.function = (char *) driver->name; composite_driver.driver.name = driver->name; - composite_driver.speed = min((u8)composite_driver.speed, - (u8)driver->max_speed); + composite_driver.max_speed = + min_t(u8, composite_driver.max_speed, driver->max_speed); composite = driver; composite_gadget_bind = bind; diff --git a/drivers/usb/gadget/dbgp.c b/drivers/usb/gadget/dbgp.c index 6256420089f3..19d7bb0df75a 100644 --- a/drivers/usb/gadget/dbgp.c +++ b/drivers/usb/gadget/dbgp.c @@ -404,7 +404,7 @@ fail: static struct usb_gadget_driver dbgp_driver = { .function = "dbgp", - .speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_HIGH, .unbind = dbgp_unbind, .setup = dbgp_setup, .disconnect = dbgp_disconnect, diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index ab8f1b488d54..db815c2da7ed 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -823,19 +823,18 @@ static int dummy_pullup (struct usb_gadget *_gadget, int value) if (value && dum->driver) { if (mod_data.is_super_speed) - dum->gadget.speed = dum->driver->speed; + dum->gadget.speed = dum->driver->max_speed; else if (mod_data.is_high_speed) dum->gadget.speed = min_t(u8, USB_SPEED_HIGH, - dum->driver->speed); + dum->driver->max_speed); else dum->gadget.speed = USB_SPEED_FULL; dummy_udc_udpate_ep0(dum); - if (dum->gadget.speed < dum->driver->speed) + if (dum->gadget.speed < dum->driver->max_speed) dev_dbg(udc_dev(dum), "This device can perform faster" - " if you connect it to a %s port...\n", - (dum->driver->speed == USB_SPEED_SUPER ? - "SuperSpeed" : "HighSpeed")); + " if you connect it to a %s port...\n", + usb_speed_string(dum->driver->max_speed)); } dum_hcd = gadget_to_dummy_hcd(_gadget); @@ -898,7 +897,7 @@ static int dummy_udc_start(struct usb_gadget *g, struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g); struct dummy *dum = dum_hcd->dum; - if (driver->speed == USB_SPEED_UNKNOWN) + if (driver->max_speed == USB_SPEED_UNKNOWN) return -EINVAL; /* @@ -977,7 +976,7 @@ static int dummy_udc_probe (struct platform_device *pdev) dum->gadget.name = gadget_name; dum->gadget.ops = &dummy_ops; - dum->gadget.is_dualspeed = 1; + dum->gadget.max_speed = USB_SPEED_SUPER; dev_set_name(&dum->gadget.dev, "gadget"); dum->gadget.dev.parent = &pdev->dev; diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 596a0b464e61..753aa0683ac1 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -130,9 +130,6 @@ ep_matches ( num_req_streams = ep_comp->bmAttributes & 0x1f; if (num_req_streams > ep->max_streams) return 0; - /* Update the ep_comp descriptor if needed */ - if (num_req_streams != ep->max_streams) - ep_comp->bmAttributes = ep->max_streams; } } @@ -152,7 +149,7 @@ ep_matches ( switch (type) { case USB_ENDPOINT_XFER_INT: /* INT: limit 64 bytes full speed, 1024 high/super speed */ - if (!gadget->is_dualspeed && max > 64) + if (!gadget_is_dualspeed(gadget) && max > 64) return 0; /* FALLTHROUGH */ @@ -160,12 +157,12 @@ ep_matches ( /* ISO: limit 1023 bytes full speed, 1024 high/super speed */ if (ep->maxpacket < max) return 0; - if (!gadget->is_dualspeed && max > 1023) + if (!gadget_is_dualspeed(gadget) && max > 1023) return 0; /* BOTH: "high bandwidth" works only at high speed */ if ((desc->wMaxPacketSize & cpu_to_le16(3<<11))) { - if (!gadget->is_dualspeed) + if (!gadget_is_dualspeed(gadget)) return 0; /* configure your hardware with enough buffering!! */ } diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c index 0cd764d59351..a28f6ffcd0f3 100644 --- a/drivers/usb/gadget/ether.c +++ b/drivers/usb/gadget/ether.c @@ -250,9 +250,9 @@ static struct usb_configuration rndis_config_driver = { /*-------------------------------------------------------------------------*/ #ifdef CONFIG_USB_ETH_EEM -static int use_eem = 1; +static bool use_eem = 1; #else -static int use_eem; +static bool use_eem; #endif module_param(use_eem, bool, 0); MODULE_PARM_DESC(use_eem, "use CDC EEM mode"); diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index acb38004eec0..f63dc6c150d2 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1037,7 +1037,6 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) { struct ffs_sb_fill_data *data = _data; struct inode *inode; - struct dentry *d; struct ffs_data *ffs; ENTER(); @@ -1045,7 +1044,7 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) /* Initialise data */ ffs = ffs_data_new(); if (unlikely(!ffs)) - goto enomem0; + goto Enomem; ffs->sb = sb; ffs->dev_name = data->dev_name; @@ -1065,26 +1064,21 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent) &simple_dir_inode_operations, &data->perms); if (unlikely(!inode)) - goto enomem1; - d = d_alloc_root(inode); - if (unlikely(!d)) - goto enomem2; - sb->s_root = d; + goto Enomem; + sb->s_root = d_alloc_root(inode); + if (unlikely(!sb->s_root)) { + iput(inode); + goto Enomem; + } /* EP0 file */ if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs, &ffs_ep0_operations, NULL))) - goto enomem3; + goto Enomem; return 0; -enomem3: - dput(d); -enomem2: - iput(inode); -enomem1: - ffs_data_put(ffs); -enomem0: +Enomem: return -ENOMEM; } @@ -1196,14 +1190,11 @@ ffs_fs_mount(struct file_system_type *t, int flags, static void ffs_fs_kill_sb(struct super_block *sb) { - void *ptr; - ENTER(); kill_litter_super(sb); - ptr = xchg(&sb->s_fs_info, NULL); - if (ptr) - ffs_data_put(ptr); + if (sb->s_fs_info) + ffs_data_put(sb->s_fs_info); } static struct file_system_type ffs_fs_type = { @@ -1408,7 +1399,7 @@ static int ffs_epfiles_create(struct ffs_data *ffs) ENTER(); count = ffs->eps_count; - epfiles = kzalloc(count * sizeof *epfiles, GFP_KERNEL); + epfiles = kcalloc(count, sizeof(*epfiles), GFP_KERNEL); if (!epfiles) return -ENOMEM; diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index 52583a235330..6353eca1e852 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -624,7 +624,8 @@ static int fsg_setup(struct usb_function *f, if (ctrl->bRequestType != (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; - if (w_index != fsg->interface_number || w_value != 0) + if (w_index != fsg->interface_number || w_value != 0 || + w_length != 0) return -EDOM; /* @@ -639,7 +640,8 @@ static int fsg_setup(struct usb_function *f, if (ctrl->bRequestType != (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; - if (w_index != fsg->interface_number || w_value != 0) + if (w_index != fsg->interface_number || w_value != 0 || + w_length != 1) return -EDOM; VDBG(fsg, "get max LUN\n"); *(u8 *)req->buf = fsg->common->nluns - 1; @@ -1871,17 +1873,14 @@ static int check_command(struct fsg_common *common, int cmnd_size, common->lun, lun); /* Check the LUN */ - if (common->lun < common->nluns) { - curlun = &common->luns[common->lun]; - common->curlun = curlun; + curlun = common->curlun; + if (curlun) { if (common->cmnd[0] != REQUEST_SENSE) { curlun->sense_data = SS_NO_SENSE; curlun->sense_data_info = 0; curlun->info_valid = 0; } } else { - common->curlun = NULL; - curlun = NULL; common->bad_lun_okay = 0; /* @@ -1927,6 +1926,17 @@ static int check_command(struct fsg_common *common, int cmnd_size, return 0; } +/* wrapper of check_command for data size in blocks handling */ +static int check_command_size_in_blocks(struct fsg_common *common, + int cmnd_size, enum data_direction data_dir, + unsigned int mask, int needs_medium, const char *name) +{ + if (common->curlun) + common->data_size_from_cmnd <<= common->curlun->blkbits; + return check_command(common, cmnd_size, data_dir, + mask, needs_medium, name); +} + static int do_scsi_command(struct fsg_common *common) { struct fsg_buffhd *bh; @@ -2009,9 +2019,9 @@ static int do_scsi_command(struct fsg_common *common) case READ_6: i = common->cmnd[4]; - common->data_size_from_cmnd = (i == 0 ? 256 : i) << - common->curlun->blkbits; - reply = check_command(common, 6, DATA_DIR_TO_HOST, + common->data_size_from_cmnd = (i == 0) ? 256 : i; + reply = check_command_size_in_blocks(common, 6, + DATA_DIR_TO_HOST, (7<<1) | (1<<4), 1, "READ(6)"); if (reply == 0) @@ -2020,9 +2030,9 @@ static int do_scsi_command(struct fsg_common *common) case READ_10: common->data_size_from_cmnd = - get_unaligned_be16(&common->cmnd[7]) << - common->curlun->blkbits; - reply = check_command(common, 10, DATA_DIR_TO_HOST, + get_unaligned_be16(&common->cmnd[7]); + reply = check_command_size_in_blocks(common, 10, + DATA_DIR_TO_HOST, (1<<1) | (0xf<<2) | (3<<7), 1, "READ(10)"); if (reply == 0) @@ -2031,9 +2041,9 @@ static int do_scsi_command(struct fsg_common *common) case READ_12: common->data_size_from_cmnd = - get_unaligned_be32(&common->cmnd[6]) << - common->curlun->blkbits; - reply = check_command(common, 12, DATA_DIR_TO_HOST, + get_unaligned_be32(&common->cmnd[6]); + reply = check_command_size_in_blocks(common, 12, + DATA_DIR_TO_HOST, (1<<1) | (0xf<<2) | (0xf<<6), 1, "READ(12)"); if (reply == 0) @@ -2132,9 +2142,9 @@ static int do_scsi_command(struct fsg_common *common) case WRITE_6: i = common->cmnd[4]; - common->data_size_from_cmnd = (i == 0 ? 256 : i) << - common->curlun->blkbits; - reply = check_command(common, 6, DATA_DIR_FROM_HOST, + common->data_size_from_cmnd = (i == 0) ? 256 : i; + reply = check_command_size_in_blocks(common, 6, + DATA_DIR_FROM_HOST, (7<<1) | (1<<4), 1, "WRITE(6)"); if (reply == 0) @@ -2143,9 +2153,9 @@ static int do_scsi_command(struct fsg_common *common) case WRITE_10: common->data_size_from_cmnd = - get_unaligned_be16(&common->cmnd[7]) << - common->curlun->blkbits; - reply = check_command(common, 10, DATA_DIR_FROM_HOST, + get_unaligned_be16(&common->cmnd[7]); + reply = check_command_size_in_blocks(common, 10, + DATA_DIR_FROM_HOST, (1<<1) | (0xf<<2) | (3<<7), 1, "WRITE(10)"); if (reply == 0) @@ -2154,9 +2164,9 @@ static int do_scsi_command(struct fsg_common *common) case WRITE_12: common->data_size_from_cmnd = - get_unaligned_be32(&common->cmnd[6]) << - common->curlun->blkbits; - reply = check_command(common, 12, DATA_DIR_FROM_HOST, + get_unaligned_be32(&common->cmnd[6]); + reply = check_command_size_in_blocks(common, 12, + DATA_DIR_FROM_HOST, (1<<1) | (0xf<<2) | (0xf<<6), 1, "WRITE(12)"); if (reply == 0) @@ -2271,6 +2281,10 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) if (common->data_size == 0) common->data_dir = DATA_DIR_NONE; common->lun = cbw->Lun; + if (common->lun >= 0 && common->lun < common->nluns) + common->curlun = &common->luns[common->lun]; + else + common->curlun = NULL; common->tag = cbw->Tag; return 0; } @@ -2761,7 +2775,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common, * Create the LUNs, open their backing files, and register the * LUN devices in sysfs. */ - curlun = kzalloc(nluns * sizeof *curlun, GFP_KERNEL); + curlun = kcalloc(nluns, sizeof(*curlun), GFP_KERNEL); if (unlikely(!curlun)) { rc = -ENOMEM; goto error_release; @@ -2973,6 +2987,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f) fsg_common_put(common); usb_free_descriptors(fsg->function.descriptors); usb_free_descriptors(fsg->function.hs_descriptors); + usb_free_descriptors(fsg->function.ss_descriptors); kfree(fsg); } diff --git a/drivers/usb/gadget/f_midi.c b/drivers/usb/gadget/f_midi.c index 67b222908cf9..3797b3d6c622 100644 --- a/drivers/usb/gadget/f_midi.c +++ b/drivers/usb/gadget/f_midi.c @@ -95,7 +95,6 @@ static void f_midi_transmit(struct f_midi *midi, struct usb_request *req); DECLARE_UAC_AC_HEADER_DESCRIPTOR(1); DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(1); -DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(16); DECLARE_USB_MS_ENDPOINT_DESCRIPTOR(16); /* B.3.1 Standard AC Interface Descriptor */ @@ -140,26 +139,6 @@ static struct usb_ms_header_descriptor ms_header_desc __initdata = { /* .wTotalLength = DYNAMIC */ }; -/* B.4.3 Embedded MIDI IN Jack Descriptor */ -static struct usb_midi_in_jack_descriptor jack_in_emb_desc = { - .bLength = USB_DT_MIDI_IN_SIZE, - .bDescriptorType = USB_DT_CS_INTERFACE, - .bDescriptorSubtype = USB_MS_MIDI_IN_JACK, - .bJackType = USB_MS_EMBEDDED, - /* .bJackID = DYNAMIC */ -}; - -/* B.4.4 Embedded MIDI OUT Jack Descriptor */ -static struct usb_midi_out_jack_descriptor_16 jack_out_emb_desc = { - /* .bLength = DYNAMIC */ - .bDescriptorType = USB_DT_CS_INTERFACE, - .bDescriptorSubtype = USB_MS_MIDI_OUT_JACK, - .bJackType = USB_MS_EMBEDDED, - /* .bJackID = DYNAMIC */ - /* .bNrInputPins = DYNAMIC */ - /* .pins = DYNAMIC */ -}; - /* B.5.1 Standard Bulk OUT Endpoint Descriptor */ static struct usb_endpoint_descriptor bulk_out_desc = { .bLength = USB_DT_ENDPOINT_AUDIO_SIZE, @@ -758,9 +737,11 @@ fail: static int __init f_midi_bind(struct usb_configuration *c, struct usb_function *f) { - struct usb_descriptor_header *midi_function[(MAX_PORTS * 2) + 12]; + struct usb_descriptor_header **midi_function; struct usb_midi_in_jack_descriptor jack_in_ext_desc[MAX_PORTS]; + struct usb_midi_in_jack_descriptor jack_in_emb_desc[MAX_PORTS]; struct usb_midi_out_jack_descriptor_1 jack_out_ext_desc[MAX_PORTS]; + struct usb_midi_out_jack_descriptor_1 jack_out_emb_desc[MAX_PORTS]; struct usb_composite_dev *cdev = c->cdev; struct f_midi *midi = func_to_midi(f); int status, n, jack = 1, i = 0; @@ -798,6 +779,14 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f) goto fail; midi->out_ep->driver_data = cdev; /* claim */ + /* allocate temporary function list */ + midi_function = kcalloc((MAX_PORTS * 4) + 9, sizeof(midi_function), + GFP_KERNEL); + if (!midi_function) { + status = -ENOMEM; + goto fail; + } + /* * construct the function's descriptor set. As the number of * input and output MIDI ports is configurable, we have to do @@ -811,73 +800,74 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f) /* calculate the header's wTotalLength */ n = USB_DT_MS_HEADER_SIZE - + (1 + midi->in_ports) * USB_DT_MIDI_IN_SIZE - + (1 + midi->out_ports) * USB_DT_MIDI_OUT_SIZE(1); + + (midi->in_ports + midi->out_ports) * + (USB_DT_MIDI_IN_SIZE + USB_DT_MIDI_OUT_SIZE(1)); ms_header_desc.wTotalLength = cpu_to_le16(n); midi_function[i++] = (struct usb_descriptor_header *) &ms_header_desc; - /* we have one embedded IN jack */ - jack_in_emb_desc.bJackID = jack++; - midi_function[i++] = (struct usb_descriptor_header *) &jack_in_emb_desc; - - /* and a dynamic amount of external IN jacks */ - for (n = 0; n < midi->in_ports; n++) { - struct usb_midi_in_jack_descriptor *ext = &jack_in_ext_desc[n]; - - ext->bLength = USB_DT_MIDI_IN_SIZE; - ext->bDescriptorType = USB_DT_CS_INTERFACE; - ext->bDescriptorSubtype = USB_MS_MIDI_IN_JACK; - ext->bJackType = USB_MS_EXTERNAL; - ext->bJackID = jack++; - ext->iJack = 0; - - midi_function[i++] = (struct usb_descriptor_header *) ext; - } - - /* one embedded OUT jack ... */ - jack_out_emb_desc.bLength = USB_DT_MIDI_OUT_SIZE(midi->in_ports); - jack_out_emb_desc.bJackID = jack++; - jack_out_emb_desc.bNrInputPins = midi->in_ports; - /* ... which referencess all external IN jacks */ + /* configure the external IN jacks, each linked to an embedded OUT jack */ for (n = 0; n < midi->in_ports; n++) { - jack_out_emb_desc.pins[n].baSourceID = jack_in_ext_desc[n].bJackID; - jack_out_emb_desc.pins[n].baSourcePin = 1; + struct usb_midi_in_jack_descriptor *in_ext = &jack_in_ext_desc[n]; + struct usb_midi_out_jack_descriptor_1 *out_emb = &jack_out_emb_desc[n]; + + in_ext->bLength = USB_DT_MIDI_IN_SIZE; + in_ext->bDescriptorType = USB_DT_CS_INTERFACE; + in_ext->bDescriptorSubtype = USB_MS_MIDI_IN_JACK; + in_ext->bJackType = USB_MS_EXTERNAL; + in_ext->bJackID = jack++; + in_ext->iJack = 0; + midi_function[i++] = (struct usb_descriptor_header *) in_ext; + + out_emb->bLength = USB_DT_MIDI_OUT_SIZE(1); + out_emb->bDescriptorType = USB_DT_CS_INTERFACE; + out_emb->bDescriptorSubtype = USB_MS_MIDI_OUT_JACK; + out_emb->bJackType = USB_MS_EMBEDDED; + out_emb->bJackID = jack++; + out_emb->bNrInputPins = 1; + out_emb->pins[0].baSourcePin = 1; + out_emb->pins[0].baSourceID = in_ext->bJackID; + out_emb->iJack = 0; + midi_function[i++] = (struct usb_descriptor_header *) out_emb; + + /* link it to the endpoint */ + ms_in_desc.baAssocJackID[n] = out_emb->bJackID; } - midi_function[i++] = (struct usb_descriptor_header *) &jack_out_emb_desc; - - /* and multiple external OUT jacks ... */ + /* configure the external OUT jacks, each linked to an embedded IN jack */ for (n = 0; n < midi->out_ports; n++) { - struct usb_midi_out_jack_descriptor_1 *ext = &jack_out_ext_desc[n]; - int m; - - ext->bLength = USB_DT_MIDI_OUT_SIZE(1); - ext->bDescriptorType = USB_DT_CS_INTERFACE; - ext->bDescriptorSubtype = USB_MS_MIDI_OUT_JACK; - ext->bJackType = USB_MS_EXTERNAL; - ext->bJackID = jack++; - ext->bNrInputPins = 1; - ext->iJack = 0; - /* ... which all reference the same embedded IN jack */ - for (m = 0; m < midi->out_ports; m++) { - ext->pins[m].baSourceID = jack_in_emb_desc.bJackID; - ext->pins[m].baSourcePin = 1; - } - - midi_function[i++] = (struct usb_descriptor_header *) ext; + struct usb_midi_in_jack_descriptor *in_emb = &jack_in_emb_desc[n]; + struct usb_midi_out_jack_descriptor_1 *out_ext = &jack_out_ext_desc[n]; + + in_emb->bLength = USB_DT_MIDI_IN_SIZE; + in_emb->bDescriptorType = USB_DT_CS_INTERFACE; + in_emb->bDescriptorSubtype = USB_MS_MIDI_IN_JACK; + in_emb->bJackType = USB_MS_EMBEDDED; + in_emb->bJackID = jack++; + in_emb->iJack = 0; + midi_function[i++] = (struct usb_descriptor_header *) in_emb; + + out_ext->bLength = USB_DT_MIDI_OUT_SIZE(1); + out_ext->bDescriptorType = USB_DT_CS_INTERFACE; + out_ext->bDescriptorSubtype = USB_MS_MIDI_OUT_JACK; + out_ext->bJackType = USB_MS_EXTERNAL; + out_ext->bJackID = jack++; + out_ext->bNrInputPins = 1; + out_ext->iJack = 0; + out_ext->pins[0].baSourceID = in_emb->bJackID; + out_ext->pins[0].baSourcePin = 1; + midi_function[i++] = (struct usb_descriptor_header *) out_ext; + + /* link it to the endpoint */ + ms_out_desc.baAssocJackID[n] = in_emb->bJackID; } /* configure the endpoint descriptors ... */ ms_out_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->in_ports); ms_out_desc.bNumEmbMIDIJack = midi->in_ports; - for (n = 0; n < midi->in_ports; n++) - ms_out_desc.baAssocJackID[n] = jack_in_emb_desc.bJackID; ms_in_desc.bLength = USB_DT_MS_ENDPOINT_SIZE(midi->out_ports); ms_in_desc.bNumEmbMIDIJack = midi->out_ports; - for (n = 0; n < midi->out_ports; n++) - ms_in_desc.baAssocJackID[n] = jack_out_emb_desc.bJackID; /* ... and add them to the list */ midi_function[i++] = (struct usb_descriptor_header *) &bulk_out_desc; @@ -901,6 +891,8 @@ f_midi_bind(struct usb_configuration *c, struct usb_function *f) f->descriptors = usb_copy_descriptors(midi_function); } + kfree(midi_function); + return 0; fail: diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c index 349077033338..7cdcb63b21ff 100644 --- a/drivers/usb/gadget/f_phonet.c +++ b/drivers/usb/gadget/f_phonet.c @@ -298,11 +298,10 @@ static void pn_net_setup(struct net_device *dev) static int pn_rx_submit(struct f_phonet *fp, struct usb_request *req, gfp_t gfp_flags) { - struct net_device *dev = fp->dev; struct page *page; int err; - page = __netdev_alloc_page(dev, gfp_flags); + page = alloc_page(gfp_flags); if (!page) return -ENOMEM; @@ -312,7 +311,7 @@ pn_rx_submit(struct f_phonet *fp, struct usb_request *req, gfp_t gfp_flags) err = usb_ep_queue(fp->out_ep, req, gfp_flags); if (unlikely(err)) - netdev_free_page(dev, page); + put_page(page); return err; } @@ -346,7 +345,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req) } skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, - skb->len == 0, req->actual); + skb->len <= 1, req->actual); page = NULL; if (req->actual < req->length) { /* Last fragment */ @@ -374,9 +373,9 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req) } if (page) - netdev_free_page(dev, page); + put_page(page); if (req) - pn_rx_submit(fp, req, GFP_ATOMIC); + pn_rx_submit(fp, req, GFP_ATOMIC | __GFP_COLD); } /*-------------------------------------------------------------------------*/ @@ -436,7 +435,7 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt) netif_carrier_on(dev); for (i = 0; i < phonet_rxq_size; i++) - pn_rx_submit(fp, fp->out_reqv[i], GFP_ATOMIC); + pn_rx_submit(fp, fp->out_reqv[i], GFP_ATOMIC | __GFP_COLD); } spin_unlock(&port->lock); return 0; diff --git a/drivers/usb/gadget/f_serial.c b/drivers/usb/gadget/f_serial.c index 91fdf790ed20..cf33a8d0fd5d 100644 --- a/drivers/usb/gadget/f_serial.c +++ b/drivers/usb/gadget/f_serial.c @@ -131,8 +131,8 @@ static int gser_set_alt(struct usb_function *f, unsigned intf, unsigned alt) } if (!gser->port.in->desc || !gser->port.out->desc) { DBG(cdev, "activate generic ttyGS%d\n", gser->port_num); - if (!config_ep_by_speed(cdev->gadget, f, gser->port.in) || - !config_ep_by_speed(cdev->gadget, f, gser->port.out)) { + if (config_ep_by_speed(cdev->gadget, f, gser->port.in) || + config_ep_by_speed(cdev->gadget, f, gser->port.out)) { gser->port.in->desc = NULL; gser->port.out->desc = NULL; return -EINVAL; diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index f7e39b0365ce..47766f0e7caa 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -303,16 +303,16 @@ MODULE_LICENSE("Dual BSD/GPL"); static struct { char *file[FSG_MAX_LUNS]; char *serial; - int ro[FSG_MAX_LUNS]; - int nofua[FSG_MAX_LUNS]; + bool ro[FSG_MAX_LUNS]; + bool nofua[FSG_MAX_LUNS]; unsigned int num_filenames; unsigned int num_ros; unsigned int num_nofuas; unsigned int nluns; - int removable; - int can_stall; - int cdrom; + bool removable; + bool can_stall; + bool cdrom; char *transport_parm; char *protocol_parm; @@ -859,7 +859,7 @@ static int class_setup_req(struct fsg_dev *fsg, if (ctrl->bRequestType != (USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; - if (w_index != 0 || w_value != 0) { + if (w_index != 0 || w_value != 0 || w_length != 0) { value = -EDOM; break; } @@ -875,7 +875,7 @@ static int class_setup_req(struct fsg_dev *fsg, if (ctrl->bRequestType != (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)) break; - if (w_index != 0 || w_value != 0) { + if (w_index != 0 || w_value != 0 || w_length != 1) { value = -EDOM; break; } @@ -2297,19 +2297,17 @@ static int check_command(struct fsg_dev *fsg, int cmnd_size, DBG(fsg, "using LUN %d from CBW, " "not LUN %d from CDB\n", fsg->lun, lun); - } else - fsg->lun = lun; // Use LUN from the command + } /* Check the LUN */ - if (fsg->lun < fsg->nluns) { - fsg->curlun = curlun = &fsg->luns[fsg->lun]; + curlun = fsg->curlun; + if (curlun) { if (fsg->cmnd[0] != REQUEST_SENSE) { curlun->sense_data = SS_NO_SENSE; curlun->sense_data_info = 0; curlun->info_valid = 0; } } else { - fsg->curlun = curlun = NULL; fsg->bad_lun_okay = 0; /* INQUIRY and REQUEST SENSE commands are explicitly allowed @@ -2351,6 +2349,16 @@ static int check_command(struct fsg_dev *fsg, int cmnd_size, return 0; } +/* wrapper of check_command for data size in blocks handling */ +static int check_command_size_in_blocks(struct fsg_dev *fsg, int cmnd_size, + enum data_direction data_dir, unsigned int mask, + int needs_medium, const char *name) +{ + if (fsg->curlun) + fsg->data_size_from_cmnd <<= fsg->curlun->blkbits; + return check_command(fsg, cmnd_size, data_dir, + mask, needs_medium, name); +} static int do_scsi_command(struct fsg_dev *fsg) { @@ -2425,26 +2433,27 @@ static int do_scsi_command(struct fsg_dev *fsg) case READ_6: i = fsg->cmnd[4]; - fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 6, DATA_DIR_TO_HOST, + fsg->data_size_from_cmnd = (i == 0) ? 256 : i; + if ((reply = check_command_size_in_blocks(fsg, 6, + DATA_DIR_TO_HOST, (7<<1) | (1<<4), 1, "READ(6)")) == 0) reply = do_read(fsg); break; case READ_10: - fsg->data_size_from_cmnd = - get_unaligned_be16(&fsg->cmnd[7]) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 10, DATA_DIR_TO_HOST, + fsg->data_size_from_cmnd = get_unaligned_be16(&fsg->cmnd[7]); + if ((reply = check_command_size_in_blocks(fsg, 10, + DATA_DIR_TO_HOST, (1<<1) | (0xf<<2) | (3<<7), 1, "READ(10)")) == 0) reply = do_read(fsg); break; case READ_12: - fsg->data_size_from_cmnd = - get_unaligned_be32(&fsg->cmnd[6]) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 12, DATA_DIR_TO_HOST, + fsg->data_size_from_cmnd = get_unaligned_be32(&fsg->cmnd[6]); + if ((reply = check_command_size_in_blocks(fsg, 12, + DATA_DIR_TO_HOST, (1<<1) | (0xf<<2) | (0xf<<6), 1, "READ(12)")) == 0) reply = do_read(fsg); @@ -2529,26 +2538,27 @@ static int do_scsi_command(struct fsg_dev *fsg) case WRITE_6: i = fsg->cmnd[4]; - fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 6, DATA_DIR_FROM_HOST, + fsg->data_size_from_cmnd = (i == 0) ? 256 : i; + if ((reply = check_command_size_in_blocks(fsg, 6, + DATA_DIR_FROM_HOST, (7<<1) | (1<<4), 1, "WRITE(6)")) == 0) reply = do_write(fsg); break; case WRITE_10: - fsg->data_size_from_cmnd = - get_unaligned_be16(&fsg->cmnd[7]) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 10, DATA_DIR_FROM_HOST, + fsg->data_size_from_cmnd = get_unaligned_be16(&fsg->cmnd[7]); + if ((reply = check_command_size_in_blocks(fsg, 10, + DATA_DIR_FROM_HOST, (1<<1) | (0xf<<2) | (3<<7), 1, "WRITE(10)")) == 0) reply = do_write(fsg); break; case WRITE_12: - fsg->data_size_from_cmnd = - get_unaligned_be32(&fsg->cmnd[6]) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 12, DATA_DIR_FROM_HOST, + fsg->data_size_from_cmnd = get_unaligned_be32(&fsg->cmnd[6]); + if ((reply = check_command_size_in_blocks(fsg, 12, + DATA_DIR_FROM_HOST, (1<<1) | (0xf<<2) | (0xf<<6), 1, "WRITE(12)")) == 0) reply = do_write(fsg); @@ -2715,7 +2725,17 @@ static int get_next_command(struct fsg_dev *fsg) memcpy(fsg->cmnd, fsg->cbbuf_cmnd, fsg->cmnd_size); fsg->cbbuf_cmnd_size = 0; spin_unlock_irq(&fsg->lock); + + /* Use LUN from the command */ + fsg->lun = fsg->cmnd[1] >> 5; } + + /* Update current lun */ + if (fsg->lun >= 0 && fsg->lun < fsg->nluns) + fsg->curlun = &fsg->luns[fsg->lun]; + else + fsg->curlun = NULL; + return rc; } @@ -3584,7 +3604,7 @@ static void fsg_resume(struct usb_gadget *gadget) /*-------------------------------------------------------------------------*/ static struct usb_gadget_driver fsg_driver = { - .speed = USB_SPEED_SUPER, + .max_speed = USB_SPEED_SUPER, .function = (char *) fsg_string_product, .unbind = fsg_unbind, .disconnect = fsg_disconnect, diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c index 43a49ecc1f36..dcbc0a2e48dd 100644 --- a/drivers/usb/gadget/fsl_mxc_udc.c +++ b/drivers/usb/gadget/fsl_mxc_udc.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/fsl_devices.h> #include <linux/platform_device.h> +#include <linux/io.h> #include <mach/hardware.h> @@ -88,7 +89,6 @@ eenahb: void fsl_udc_clk_finalize(struct platform_device *pdev) { struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data; -#if defined(CONFIG_SOC_IMX35) if (cpu_is_mx35()) { unsigned int v; @@ -101,7 +101,6 @@ void fsl_udc_clk_finalize(struct platform_device *pdev) USBPHYCTRL_OTGBASE_OFFSET)); } } -#endif /* ULPI transceivers don't need usbpll */ if (pdata->phy_mode == FSL_USB2_PHY_ULPI) { diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c index 2a03e4de11c1..b95697c03d07 100644 --- a/drivers/usb/gadget/fsl_qe_udc.c +++ b/drivers/usb/gadget/fsl_qe_udc.c @@ -2336,8 +2336,7 @@ static int fsl_qe_start(struct usb_gadget_driver *driver, if (!udc_controller) return -ENODEV; - if (!driver || (driver->speed != USB_SPEED_FULL - && driver->speed != USB_SPEED_HIGH) + if (!driver || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) return -EINVAL; @@ -2351,7 +2350,7 @@ static int fsl_qe_start(struct usb_gadget_driver *driver, /* hook up the driver */ udc_controller->driver = driver; udc_controller->gadget.dev.driver = &driver->driver; - udc_controller->gadget.speed = (enum usb_device_speed)(driver->speed); + udc_controller->gadget.speed = driver->max_speed; spin_unlock_irqrestore(&udc_controller->lock, flags); retval = bind(&udc_controller->gadget); @@ -2815,20 +2814,7 @@ static struct platform_driver udc_driver = { #endif }; -static int __init qe_udc_init(void) -{ - printk(KERN_INFO "%s: %s, %s\n", driver_name, driver_desc, - DRIVER_VERSION); - return platform_driver_register(&udc_driver); -} - -static void __exit qe_udc_exit(void) -{ - platform_driver_unregister(&udc_driver); -} - -module_init(qe_udc_init); -module_exit(qe_udc_exit); +module_platform_driver(udc_driver); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR(DRIVER_AUTHOR); diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index b2c44e1d5813..d7ea6c076ce9 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -696,12 +696,31 @@ static void fsl_free_request(struct usb_ep *_ep, struct usb_request *_req) kfree(req); } -/*-------------------------------------------------------------------------*/ +/* Actually add a dTD chain to an empty dQH and let go */ +static void fsl_prime_ep(struct fsl_ep *ep, struct ep_td_struct *td) +{ + struct ep_queue_head *qh = get_qh_by_ep(ep); + + /* Write dQH next pointer and terminate bit to 0 */ + qh->next_dtd_ptr = cpu_to_hc32(td->td_dma + & EP_QUEUE_HEAD_NEXT_POINTER_MASK); + + /* Clear active and halt bit */ + qh->size_ioc_int_sts &= cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE + | EP_QUEUE_HEAD_STATUS_HALT)); + + /* Ensure that updates to the QH will occur before priming. */ + wmb(); + + /* Prime endpoint by writing correct bit to ENDPTPRIME */ + fsl_writel(ep_is_in(ep) ? (1 << (ep_index(ep) + 16)) + : (1 << (ep_index(ep))), &dr_regs->endpointprime); +} + +/* Add dTD chain to the dQH of an EP */ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req) { - int i = ep_index(ep) * 2 + ep_is_in(ep); u32 temp, bitmask, tmp_stat; - struct ep_queue_head *dQH = &ep->udc->ep_qh[i]; /* VDBG("QH addr Register 0x%8x", dr_regs->endpointlistaddr); VDBG("ep_qh[%d] addr is 0x%8x", i, (u32)&(ep->udc->ep_qh[i])); */ @@ -719,7 +738,7 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req) cpu_to_hc32(req->head->td_dma & DTD_ADDR_MASK); /* Read prime bit, if 1 goto done */ if (fsl_readl(&dr_regs->endpointprime) & bitmask) - goto out; + return; do { /* Set ATDTW bit in USBCMD */ @@ -736,28 +755,10 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req) fsl_writel(temp & ~USB_CMD_ATDTW, &dr_regs->usbcmd); if (tmp_stat) - goto out; + return; } - /* Write dQH next pointer and terminate bit to 0 */ - temp = req->head->td_dma & EP_QUEUE_HEAD_NEXT_POINTER_MASK; - dQH->next_dtd_ptr = cpu_to_hc32(temp); - - /* Clear active and halt bit */ - temp = cpu_to_hc32(~(EP_QUEUE_HEAD_STATUS_ACTIVE - | EP_QUEUE_HEAD_STATUS_HALT)); - dQH->size_ioc_int_sts &= temp; - - /* Ensure that updates to the QH will occur before priming. */ - wmb(); - - /* Prime endpoint by writing 1 to ENDPTPRIME */ - temp = ep_is_in(ep) - ? (1 << (ep_index(ep) + 16)) - : (1 << (ep_index(ep))); - fsl_writel(temp, &dr_regs->endpointprime); -out: - return; + fsl_prime_ep(ep, req->head); } /* Fill in the dTD structure @@ -877,7 +878,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) VDBG("%s, bad ep", __func__); return -EINVAL; } - if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) { + if (usb_endpoint_xfer_isoc(ep->desc)) { if (req->req.length > ep->ep.maxpacket) return -EMSGSIZE; } @@ -973,25 +974,20 @@ static int fsl_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) /* The request isn't the last request in this ep queue */ if (req->queue.next != &ep->queue) { - struct ep_queue_head *qh; struct fsl_req *next_req; - qh = ep->qh; next_req = list_entry(req->queue.next, struct fsl_req, queue); - /* Point the QH to the first TD of next request */ - fsl_writel((u32) next_req->head, &qh->curr_dtd_ptr); + /* prime with dTD of next request */ + fsl_prime_ep(ep, next_req->head); } - - /* The request hasn't been processed, patch up the TD chain */ + /* The request hasn't been processed, patch up the TD chain */ } else { struct fsl_req *prev_req; prev_req = list_entry(req->queue.prev, struct fsl_req, queue); - fsl_writel(fsl_readl(&req->tail->next_td_ptr), - &prev_req->tail->next_td_ptr); - + prev_req->tail->next_td_ptr = req->tail->next_td_ptr; } done(ep, req, -ECONNRESET); @@ -1032,7 +1028,7 @@ static int fsl_ep_set_halt(struct usb_ep *_ep, int value) goto out; } - if (ep->desc->bmAttributes == USB_ENDPOINT_XFER_ISOC) { + if (usb_endpoint_xfer_isoc(ep->desc)) { status = -EOPNOTSUPP; goto out; } @@ -1068,7 +1064,7 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep) struct fsl_udc *udc; int size = 0; u32 bitmask; - struct ep_queue_head *d_qh; + struct ep_queue_head *qh; ep = container_of(_ep, struct fsl_ep, ep); if (!_ep || (!ep->desc && ep_index(ep) != 0)) @@ -1079,13 +1075,13 @@ static int fsl_ep_fifo_status(struct usb_ep *_ep) if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) return -ESHUTDOWN; - d_qh = &ep->udc->ep_qh[ep_index(ep) * 2 + ep_is_in(ep)]; + qh = get_qh_by_ep(ep); bitmask = (ep_is_in(ep)) ? (1 << (ep_index(ep) + 16)) : (1 << (ep_index(ep))); if (fsl_readl(&dr_regs->endptstatus) & bitmask) - size = (d_qh->size_ioc_int_sts & DTD_PACKET_SIZE) + size = (qh->size_ioc_int_sts & DTD_PACKET_SIZE) >> DTD_LENGTH_BIT_POS; pr_debug("%s %u\n", __func__, size); @@ -1717,7 +1713,7 @@ static void dtd_complete_irq(struct fsl_udc *udc) static inline enum usb_device_speed portscx_device_speed(u32 reg) { - switch (speed & PORTSCX_PORT_SPEED_MASK) { + switch (reg & PORTSCX_PORT_SPEED_MASK) { case PORTSCX_PORT_SPEED_HIGH: return USB_SPEED_HIGH; case PORTSCX_PORT_SPEED_FULL: @@ -1938,8 +1934,7 @@ static int fsl_start(struct usb_gadget_driver *driver, if (!udc_controller) return -ENODEV; - if (!driver || (driver->speed != USB_SPEED_FULL - && driver->speed != USB_SPEED_HIGH) + if (!driver || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) return -EINVAL; @@ -2480,8 +2475,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) #ifndef CONFIG_ARCH_MXC if (pdata->have_sysif_regs) - usb_sys_regs = (struct usb_sys_interface *) - ((u32)dr_regs + USB_DR_SYS_OFFSET); + usb_sys_regs = (void *)dr_regs + USB_DR_SYS_OFFSET; #endif /* Initialize USB clocks */ @@ -2531,7 +2525,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) /* Setup gadget structure */ udc_controller->gadget.ops = &fsl_gadget_ops; - udc_controller->gadget.is_dualspeed = 1; + udc_controller->gadget.max_speed = USB_SPEED_HIGH; udc_controller->gadget.ep0 = &udc_controller->eps[0].ep; INIT_LIST_HEAD(&udc_controller->gadget.ep_list); udc_controller->gadget.speed = USB_SPEED_UNKNOWN; diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h index 1d51be83fda8..f781f5dec417 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.h +++ b/drivers/usb/gadget/fsl_usb2_udc.h @@ -569,6 +569,16 @@ static void dump_msg(const char *label, const u8 * buf, unsigned int length) * 2 + ((windex & USB_DIR_IN) ? 1 : 0)) #define get_pipe_by_ep(EP) (ep_index(EP) * 2 + ep_is_in(EP)) +static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep) +{ + /* we only have one ep0 structure but two queue heads */ + if (ep_index(ep) != 0) + return ep->qh; + else + return &ep->udc->ep_qh[(ep->udc->ep0_dir == + USB_DIR_IN) ? 1 : 0]; +} + struct platform_device; #ifdef CONFIG_ARCH_MXC int fsl_udc_clk_init(struct platform_device *pdev); diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c index 74da206c8406..5831cb4a0b35 100644 --- a/drivers/usb/gadget/fusb300_udc.c +++ b/drivers/usb/gadget/fusb300_udc.c @@ -1317,7 +1317,7 @@ static int fusb300_udc_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->setup) return -EINVAL; @@ -1463,7 +1463,7 @@ static int __init fusb300_probe(struct platform_device *pdev) dev_set_name(&fusb300->gadget.dev, "gadget"); - fusb300->gadget.is_dualspeed = 1; + fusb300->gadget.max_speed = USB_SPEED_HIGH; fusb300->gadget.dev.parent = &pdev->dev; fusb300->gadget.dev.dma_mask = pdev->dev.dma_mask; fusb300->gadget.dev.release = pdev->dev.release; diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c index 7f87805cddc4..5af70fcce139 100644 --- a/drivers/usb/gadget/goku_udc.c +++ b/drivers/usb/gadget/goku_udc.c @@ -1357,7 +1357,7 @@ static int goku_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) @@ -1796,6 +1796,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&dev->lock); dev->pdev = pdev; dev->gadget.ops = &goku_ops; + dev->gadget.max_speed = USB_SPEED_FULL; /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&dev->gadget.dev, "gadget"); diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c index 2d978c0e7ced..8d1c75abd73d 100644 --- a/drivers/usb/gadget/imx_udc.c +++ b/drivers/usb/gadget/imx_udc.c @@ -1336,7 +1336,7 @@ static int imx_udc_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index a392ec0d2d51..ae04266dba1b 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1730,8 +1730,9 @@ static void gadgetfs_disconnect (struct usb_gadget *gadget) { struct dev_data *dev = get_gadget_data (gadget); + unsigned long flags; - spin_lock (&dev->lock); + spin_lock_irqsave (&dev->lock, flags); if (dev->state == STATE_DEV_UNCONNECTED) goto exit; dev->state = STATE_DEV_UNCONNECTED; @@ -1740,7 +1741,7 @@ gadgetfs_disconnect (struct usb_gadget *gadget) next_event (dev, GADGETFS_DISCONNECT); ep0_readable (dev); exit: - spin_unlock (&dev->lock); + spin_unlock_irqrestore (&dev->lock, flags); } static void @@ -1765,9 +1766,9 @@ gadgetfs_suspend (struct usb_gadget *gadget) static struct usb_gadget_driver gadgetfs_driver = { #ifdef CONFIG_USB_GADGET_DUALSPEED - .speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_HIGH, #else - .speed = USB_SPEED_FULL, + .max_speed = USB_SPEED_FULL, #endif .function = (char *) driver_desc, .unbind = gadgetfs_unbind, @@ -1791,7 +1792,7 @@ static int gadgetfs_probe (struct usb_gadget *gadget) } static struct usb_gadget_driver probe_driver = { - .speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_HIGH, .unbind = gadgetfs_nop, .setup = (void *)gadgetfs_nop, .disconnect = gadgetfs_nop, @@ -2034,7 +2035,6 @@ static int gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) { struct inode *inode; - struct dentry *d; struct dev_data *dev; if (the_device) @@ -2057,24 +2057,27 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) NULL, &simple_dir_operations, S_IFDIR | S_IRUGO | S_IXUGO); if (!inode) - goto enomem0; + goto Enomem; inode->i_op = &simple_dir_inode_operations; - if (!(d = d_alloc_root (inode))) - goto enomem1; - sb->s_root = d; + if (!(sb->s_root = d_alloc_root (inode))) { + iput(inode); + goto Enomem; + } /* the ep0 file is named after the controller we expect; * user mode code can use it for sanity checks, like we do. */ dev = dev_new (); if (!dev) - goto enomem2; + goto Enomem; dev->sb = sb; if (!gadgetfs_create_file (sb, CHIP, dev, &dev_init_operations, - &dev->dentry)) - goto enomem3; + &dev->dentry)) { + put_dev(dev); + goto Enomem; + } /* other endpoint files are available after hardware setup, * from binding to a controller. @@ -2082,13 +2085,7 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent) the_device = dev; return 0; -enomem3: - put_dev (dev); -enomem2: - dput (d); -enomem1: - iput (inode); -enomem0: +Enomem: return -ENOMEM; } diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index c9fa3bf5b377..fa0fcc11263f 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -3267,7 +3267,7 @@ static int langwell_udc_probe(struct pci_dev *pdev, dev->gadget.ep0 = &dev->ep[0].ep; /* gadget ep0 */ INIT_LIST_HEAD(&dev->gadget.ep_list); /* ep_list */ dev->gadget.speed = USB_SPEED_UNKNOWN; /* speed */ - dev->gadget.is_dualspeed = 1; /* support dual speed */ + dev->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */ #ifdef OTG_TRANSCEIVER dev->gadget.is_otg = 1; /* support otg mode */ #endif diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c index 91d0af2a24a8..3608b3bd5732 100644 --- a/drivers/usb/gadget/m66592-udc.c +++ b/drivers/usb/gadget/m66592-udc.c @@ -1472,7 +1472,7 @@ static int m66592_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed != USB_SPEED_HIGH + || driver->max_speed < USB_SPEED_HIGH || !bind || !driver->setup) return -EINVAL; @@ -1653,7 +1653,7 @@ static int __init m66592_probe(struct platform_device *pdev) m66592->gadget.ops = &m66592_gadget_ops; device_initialize(&m66592->gadget.dev); dev_set_name(&m66592->gadget.dev, "gadget"); - m66592->gadget.is_dualspeed = 1; + m66592->gadget.max_speed = USB_SPEED_HIGH; m66592->gadget.dev.parent = &pdev->dev; m66592->gadget.dev.dma_mask = pdev->dev.dma_mask; m66592->gadget.dev.release = pdev->dev.release; diff --git a/drivers/usb/gadget/mv_udc.h b/drivers/usb/gadget/mv_udc.h index daa75c12f336..34aadfae723d 100644 --- a/drivers/usb/gadget/mv_udc.h +++ b/drivers/usb/gadget/mv_udc.h @@ -180,7 +180,7 @@ struct mv_udc { struct mv_cap_regs __iomem *cap_regs; struct mv_op_regs __iomem *op_regs; - unsigned int phy_regs; + void __iomem *phy_regs; unsigned int max_eps; struct mv_dqh *ep_dqh; size_t ep_dqh_size; @@ -211,11 +211,14 @@ struct mv_udc { softconnected:1, force_fs:1, clock_gating:1, - active:1; + active:1, + stopped:1; /* stop bit is setted */ struct work_struct vbus_work; struct workqueue_struct *qwork; + struct otg_transceiver *transceiver; + struct mv_usb_platform_data *pdata; /* some SOC has mutiple clock sources for USB*/ diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index 892412103dd8..f97e737d26f7 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -276,11 +276,12 @@ static void done(struct mv_ep *ep, struct mv_req *req, int status) static int queue_dtd(struct mv_ep *ep, struct mv_req *req) { - u32 tmp, epstatus, bit_pos, direction; struct mv_udc *udc; struct mv_dqh *dqh; + u32 bit_pos, direction; + u32 usbcmd, epstatus; unsigned int loops; - int readsafe, retval = 0; + int retval = 0; udc = ep->udc; direction = ep_dir(ep); @@ -293,30 +294,18 @@ static int queue_dtd(struct mv_ep *ep, struct mv_req *req) lastreq = list_entry(ep->queue.prev, struct mv_req, queue); lastreq->tail->dtd_next = req->head->td_dma & EP_QUEUE_HEAD_NEXT_POINTER_MASK; - if (readl(&udc->op_regs->epprime) & bit_pos) { - loops = LOOPS(PRIME_TIMEOUT); - while (readl(&udc->op_regs->epprime) & bit_pos) { - if (loops == 0) { - retval = -ETIME; - goto done; - } - udelay(LOOPS_USEC); - loops--; - } - if (readl(&udc->op_regs->epstatus) & bit_pos) - goto done; - } - readsafe = 0; + + wmb(); + + if (readl(&udc->op_regs->epprime) & bit_pos) + goto done; + loops = LOOPS(READSAFE_TIMEOUT); - while (readsafe == 0) { - if (loops == 0) { - retval = -ETIME; - goto done; - } + while (1) { /* start with setting the semaphores */ - tmp = readl(&udc->op_regs->usbcmd); - tmp |= USBCMD_ATDTW_TRIPWIRE_SET; - writel(tmp, &udc->op_regs->usbcmd); + usbcmd = readl(&udc->op_regs->usbcmd); + usbcmd |= USBCMD_ATDTW_TRIPWIRE_SET; + writel(usbcmd, &udc->op_regs->usbcmd); /* read the endpoint status */ epstatus = readl(&udc->op_regs->epstatus) & bit_pos; @@ -329,98 +318,46 @@ static int queue_dtd(struct mv_ep *ep, struct mv_req *req) * primed. */ if (readl(&udc->op_regs->usbcmd) - & USBCMD_ATDTW_TRIPWIRE_SET) { - readsafe = 1; - } + & USBCMD_ATDTW_TRIPWIRE_SET) + break; + loops--; + if (loops == 0) { + dev_err(&udc->dev->dev, + "Timeout for ATDTW_TRIPWIRE...\n"); + retval = -ETIME; + goto done; + } udelay(LOOPS_USEC); } /* Clear the semaphore */ - tmp = readl(&udc->op_regs->usbcmd); - tmp &= USBCMD_ATDTW_TRIPWIRE_CLEAR; - writel(tmp, &udc->op_regs->usbcmd); - - /* If endpoint is not active, we activate it now. */ - if (!epstatus) { - if (direction == EP_DIR_IN) { - struct mv_dtd *curr_dtd = dma_to_virt( - &udc->dev->dev, dqh->curr_dtd_ptr); - - loops = LOOPS(DTD_TIMEOUT); - while (curr_dtd->size_ioc_sts - & DTD_STATUS_ACTIVE) { - if (loops == 0) { - retval = -ETIME; - goto done; - } - loops--; - udelay(LOOPS_USEC); - } - } - /* No other transfers on the queue */ + usbcmd = readl(&udc->op_regs->usbcmd); + usbcmd &= USBCMD_ATDTW_TRIPWIRE_CLEAR; + writel(usbcmd, &udc->op_regs->usbcmd); - /* Write dQH next pointer and terminate bit to 0 */ - dqh->next_dtd_ptr = req->head->td_dma - & EP_QUEUE_HEAD_NEXT_POINTER_MASK; - dqh->size_ioc_int_sts = 0; + if (epstatus) + goto done; + } - /* - * Ensure that updates to the QH will - * occur before priming. - */ - wmb(); + /* Write dQH next pointer and terminate bit to 0 */ + dqh->next_dtd_ptr = req->head->td_dma + & EP_QUEUE_HEAD_NEXT_POINTER_MASK; - /* Prime the Endpoint */ - writel(bit_pos, &udc->op_regs->epprime); - } - } else { - /* Write dQH next pointer and terminate bit to 0 */ - dqh->next_dtd_ptr = req->head->td_dma - & EP_QUEUE_HEAD_NEXT_POINTER_MASK; - dqh->size_ioc_int_sts = 0; + /* clear active and halt bit, in case set from a previous error */ + dqh->size_ioc_int_sts &= ~(DTD_STATUS_ACTIVE | DTD_STATUS_HALTED); - /* Ensure that updates to the QH will occur before priming. */ - wmb(); + /* Ensure that updates to the QH will occure before priming. */ + wmb(); - /* Prime the Endpoint */ - writel(bit_pos, &udc->op_regs->epprime); + /* Prime the Endpoint */ + writel(bit_pos, &udc->op_regs->epprime); - if (direction == EP_DIR_IN) { - /* FIXME add status check after prime the IN ep */ - int prime_again; - u32 curr_dtd_ptr = dqh->curr_dtd_ptr; - - loops = LOOPS(DTD_TIMEOUT); - prime_again = 0; - while ((curr_dtd_ptr != req->head->td_dma)) { - curr_dtd_ptr = dqh->curr_dtd_ptr; - if (loops == 0) { - dev_err(&udc->dev->dev, - "failed to prime %s\n", - ep->name); - retval = -ETIME; - goto done; - } - loops--; - udelay(LOOPS_USEC); - - if (loops == (LOOPS(DTD_TIMEOUT) >> 2)) { - if (prime_again) - goto done; - dev_info(&udc->dev->dev, - "prime again\n"); - writel(bit_pos, - &udc->op_regs->epprime); - prime_again = 1; - } - } - } - } done: return retval; } + static struct mv_dtd *build_dtd(struct mv_req *req, unsigned *length, dma_addr_t *dma, int *is_last) { @@ -841,6 +778,27 @@ mv_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) return 0; } +static void mv_prime_ep(struct mv_ep *ep, struct mv_req *req) +{ + struct mv_dqh *dqh = ep->dqh; + u32 bit_pos; + + /* Write dQH next pointer and terminate bit to 0 */ + dqh->next_dtd_ptr = req->head->td_dma + & EP_QUEUE_HEAD_NEXT_POINTER_MASK; + + /* clear active and halt bit, in case set from a previous error */ + dqh->size_ioc_int_sts &= ~(DTD_STATUS_ACTIVE | DTD_STATUS_HALTED); + + /* Ensure that updates to the QH will occure before priming. */ + wmb(); + + bit_pos = 1 << (((ep_dir(ep) == EP_DIR_OUT) ? 0 : 16) + ep->ep_num); + + /* Prime the Endpoint */ + writel(bit_pos, &ep->udc->op_regs->epprime); +} + /* dequeues (cancels, unlinks) an I/O request from an endpoint */ static int mv_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) { @@ -883,15 +841,13 @@ static int mv_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) /* The request isn't the last request in this ep queue */ if (req->queue.next != &ep->queue) { - struct mv_dqh *qh; struct mv_req *next_req; - qh = ep->dqh; - next_req = list_entry(req->queue.next, struct mv_req, - queue); + next_req = list_entry(req->queue.next, + struct mv_req, queue); /* Point the QH to the first TD of next request */ - writel((u32) next_req->head, &qh->curr_dtd_ptr); + mv_prime_ep(ep, next_req); } else { struct mv_dqh *qh; @@ -1056,6 +1012,8 @@ static void udc_stop(struct mv_udc *udc) USBINTR_PORT_CHANGE_DETECT_EN | USBINTR_RESET_EN); writel(tmp, &udc->op_regs->usbintr); + udc->stopped = 1; + /* Reset the Run the bit in the command register to stop VUSB */ tmp = readl(&udc->op_regs->usbcmd); tmp &= ~USBCMD_RUN_STOP; @@ -1072,6 +1030,8 @@ static void udc_start(struct mv_udc *udc) /* Enable interrupts */ writel(usbintr, &udc->op_regs->usbintr); + udc->stopped = 0; + /* Set the Run bit in the command register */ writel(USBCMD_RUN_STOP, &udc->op_regs->usbcmd); } @@ -1134,11 +1094,11 @@ static int udc_reset(struct mv_udc *udc) return 0; } -static int mv_udc_enable(struct mv_udc *udc) +static int mv_udc_enable_internal(struct mv_udc *udc) { int retval; - if (udc->clock_gating == 0 || udc->active) + if (udc->active) return 0; dev_dbg(&udc->dev->dev, "enable udc\n"); @@ -1157,9 +1117,17 @@ static int mv_udc_enable(struct mv_udc *udc) return 0; } -static void mv_udc_disable(struct mv_udc *udc) +static int mv_udc_enable(struct mv_udc *udc) { - if (udc->clock_gating && udc->active) { + if (udc->clock_gating) + return mv_udc_enable_internal(udc); + + return 0; +} + +static void mv_udc_disable_internal(struct mv_udc *udc) +{ + if (udc->active) { dev_dbg(&udc->dev->dev, "disable udc\n"); if (udc->pdata->phy_deinit) udc->pdata->phy_deinit(udc->phy_regs); @@ -1168,6 +1136,12 @@ static void mv_udc_disable(struct mv_udc *udc) } } +static void mv_udc_disable(struct mv_udc *udc) +{ + if (udc->clock_gating) + mv_udc_disable_internal(udc); +} + static int mv_udc_get_frame(struct usb_gadget *gadget) { struct mv_udc *udc; @@ -1178,7 +1152,7 @@ static int mv_udc_get_frame(struct usb_gadget *gadget) udc = container_of(gadget, struct mv_udc, gadget); - retval = readl(udc->op_regs->frindex) & USB_FRINDEX_MASKS; + retval = readl(&udc->op_regs->frindex) & USB_FRINDEX_MASKS; return retval; } @@ -1212,10 +1186,11 @@ static int mv_udc_vbus_session(struct usb_gadget *gadget, int is_active) udc = container_of(gadget, struct mv_udc, gadget); spin_lock_irqsave(&udc->lock, flags); + udc->vbus_active = (is_active != 0); + dev_dbg(&udc->dev->dev, "%s: softconnect %d, vbus_active %d\n", __func__, udc->softconnect, udc->vbus_active); - udc->vbus_active = (is_active != 0); if (udc->driver && udc->softconnect && udc->vbus_active) { retval = mv_udc_enable(udc); if (retval == 0) { @@ -1244,10 +1219,11 @@ static int mv_udc_pullup(struct usb_gadget *gadget, int is_on) udc = container_of(gadget, struct mv_udc, gadget); spin_lock_irqsave(&udc->lock, flags); + udc->softconnect = (is_on != 0); + dev_dbg(&udc->dev->dev, "%s: softconnect %d, vbus_active %d\n", __func__, udc->softconnect, udc->vbus_active); - udc->softconnect = (is_on != 0); if (udc->driver && udc->softconnect && udc->vbus_active) { retval = mv_udc_enable(udc); if (retval == 0) { @@ -1407,6 +1383,20 @@ static int mv_udc_start(struct usb_gadget_driver *driver, return retval; } + if (udc->transceiver) { + retval = otg_set_peripheral(udc->transceiver, &udc->gadget); + if (retval) { + dev_err(&udc->dev->dev, + "unable to register peripheral to otg\n"); + if (driver->unbind) { + driver->unbind(&udc->gadget); + udc->gadget.dev.driver = NULL; + udc->driver = NULL; + } + return retval; + } + } + /* pullup is always on */ mv_udc_pullup(&udc->gadget, 1); @@ -2026,6 +2016,10 @@ static irqreturn_t mv_udc_irq(int irq, void *dev) struct mv_udc *udc = (struct mv_udc *)dev; u32 status, intr; + /* Disable ISR when stopped bit is set */ + if (udc->stopped) + return IRQ_NONE; + spin_lock(&udc->lock); status = readl(&udc->op_regs->usbsts); @@ -2109,7 +2103,12 @@ static int __devexit mv_udc_remove(struct platform_device *dev) destroy_workqueue(udc->qwork); } - if (udc->pdata && udc->pdata->vbus && udc->clock_gating) + /* + * If we have transceiver inited, + * then vbus irq will not be requested in udc driver. + */ + if (udc->pdata && udc->pdata->vbus + && udc->clock_gating && udc->transceiver == NULL) free_irq(udc->pdata->vbus->irq, &dev->dev); /* free memory allocated in probe */ @@ -2129,11 +2128,9 @@ static int __devexit mv_udc_remove(struct platform_device *dev) if (udc->cap_regs) iounmap(udc->cap_regs); - udc->cap_regs = NULL; if (udc->phy_regs) - iounmap((void *)udc->phy_regs); - udc->phy_regs = 0; + iounmap(udc->phy_regs); if (udc->status_req) { kfree(udc->status_req->req.buf); @@ -2182,6 +2179,11 @@ static int __devinit mv_udc_probe(struct platform_device *dev) udc->dev = dev; +#ifdef CONFIG_USB_OTG_UTILS + if (pdata->mode == MV_USB_MODE_OTG) + udc->transceiver = otg_get_transceiver(); +#endif + udc->clknum = pdata->clknum; for (clk_i = 0; clk_i < udc->clknum; clk_i++) { udc->clk[clk_i] = clk_get(&dev->dev, pdata->clkname[clk_i]); @@ -2213,24 +2215,20 @@ static int __devinit mv_udc_probe(struct platform_device *dev) goto err_iounmap_capreg; } - udc->phy_regs = (unsigned int)ioremap(r->start, resource_size(r)); - if (udc->phy_regs == 0) { + udc->phy_regs = ioremap(r->start, resource_size(r)); + if (udc->phy_regs == NULL) { dev_err(&dev->dev, "failed to map phy I/O memory\n"); retval = -EBUSY; goto err_iounmap_capreg; } /* we will acces controller register, so enable the clk */ - udc_clock_enable(udc); - if (pdata->phy_init) { - retval = pdata->phy_init(udc->phy_regs); - if (retval) { - dev_err(&dev->dev, "phy init error %d\n", retval); - goto err_iounmap_phyreg; - } - } + retval = mv_udc_enable_internal(udc); + if (retval) + goto err_iounmap_phyreg; - udc->op_regs = (struct mv_op_regs __iomem *)((u32)udc->cap_regs + udc->op_regs = + (struct mv_op_regs __iomem *)((unsigned long)udc->cap_regs + (readl(&udc->cap_regs->caplength_hciversion) & CAPLENGTH_MASK)); udc->max_eps = readl(&udc->cap_regs->dccparams) & DCCPARAMS_DEN_MASK; @@ -2312,7 +2310,7 @@ static int __devinit mv_udc_probe(struct platform_device *dev) udc->gadget.ep0 = &udc->eps[0].ep; /* gadget ep0 */ INIT_LIST_HEAD(&udc->gadget.ep_list); /* ep_list */ udc->gadget.speed = USB_SPEED_UNKNOWN; /* speed */ - udc->gadget.is_dualspeed = 1; /* support dual speed */ + udc->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */ /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&udc->gadget.dev, "gadget"); @@ -2328,7 +2326,9 @@ static int __devinit mv_udc_probe(struct platform_device *dev) eps_init(udc); /* VBUS detect: we can disable/enable clock on demand.*/ - if (pdata->vbus) { + if (udc->transceiver) + udc->clock_gating = 1; + else if (pdata->vbus) { udc->clock_gating = 1; retval = request_threaded_irq(pdata->vbus->irq, NULL, mv_udc_vbus_irq, IRQF_ONESHOT, "vbus", udc); @@ -2354,11 +2354,9 @@ static int __devinit mv_udc_probe(struct platform_device *dev) * If not, it means that VBUS detection is not supported, we * have to enable vbus active all the time to let controller work. */ - if (udc->clock_gating) { - if (udc->pdata->phy_deinit) - udc->pdata->phy_deinit(udc->phy_regs); - udc_clock_disable(udc); - } else + if (udc->clock_gating) + mv_udc_disable_internal(udc); + else udc->vbus_active = 1; retval = usb_add_gadget_udc(&dev->dev, &udc->gadget); @@ -2371,7 +2369,8 @@ static int __devinit mv_udc_probe(struct platform_device *dev) return 0; err_unregister: - if (udc->pdata && udc->pdata->vbus && udc->clock_gating) + if (udc->pdata && udc->pdata->vbus + && udc->clock_gating && udc->transceiver == NULL) free_irq(pdata->vbus->irq, &dev->dev); device_unregister(&udc->gadget.dev); err_free_irq: @@ -2387,11 +2386,9 @@ err_free_dma: dma_free_coherent(&dev->dev, udc->ep_dqh_size, udc->ep_dqh, udc->ep_dqh_dma); err_disable_clock: - if (udc->pdata->phy_deinit) - udc->pdata->phy_deinit(udc->phy_regs); - udc_clock_disable(udc); + mv_udc_disable_internal(udc); err_iounmap_phyreg: - iounmap((void *)udc->phy_regs); + iounmap(udc->phy_regs); err_iounmap_capreg: iounmap(udc->cap_regs); err_put_clk: @@ -2407,7 +2404,30 @@ static int mv_udc_suspend(struct device *_dev) { struct mv_udc *udc = the_controller; - udc_stop(udc); + /* if OTG is enabled, the following will be done in OTG driver*/ + if (udc->transceiver) + return 0; + + if (udc->pdata->vbus && udc->pdata->vbus->poll) + if (udc->pdata->vbus->poll() == VBUS_HIGH) { + dev_info(&udc->dev->dev, "USB cable is connected!\n"); + return -EAGAIN; + } + + /* + * only cable is unplugged, udc can suspend. + * So do not care about clock_gating == 1. + */ + if (!udc->clock_gating) { + udc_stop(udc); + + spin_lock_irq(&udc->lock); + /* stop all usb activities */ + stop_activity(udc, udc->driver); + spin_unlock_irq(&udc->lock); + + mv_udc_disable_internal(udc); + } return 0; } @@ -2417,20 +2437,22 @@ static int mv_udc_resume(struct device *_dev) struct mv_udc *udc = the_controller; int retval; - if (udc->pdata->phy_init) { - retval = udc->pdata->phy_init(udc->phy_regs); - if (retval) { - dev_err(&udc->dev->dev, - "init phy error %d when resume back\n", - retval); + /* if OTG is enabled, the following will be done in OTG driver*/ + if (udc->transceiver) + return 0; + + if (!udc->clock_gating) { + retval = mv_udc_enable_internal(udc); + if (retval) return retval; + + if (udc->driver && udc->softconnect) { + udc_reset(udc); + ep0_reset(udc); + udc_start(udc); } } - udc_reset(udc); - ep0_reset(udc); - udc_start(udc); - return 0; } @@ -2457,30 +2479,16 @@ static struct platform_driver udc_driver = { .shutdown = mv_udc_shutdown, .driver = { .owner = THIS_MODULE, - .name = "pxa-u2o", + .name = "mv-udc", #ifdef CONFIG_PM .pm = &mv_udc_pm_ops, #endif }, }; -MODULE_ALIAS("platform:pxa-u2o"); +module_platform_driver(udc_driver); +MODULE_ALIAS("platform:mv-udc"); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR("Chao Xie <chao.xie@marvell.com>"); MODULE_VERSION(DRIVER_VERSION); MODULE_LICENSE("GPL"); - - -static int __init init(void) -{ - return platform_driver_register(&udc_driver); -} -module_init(init); - - -static void __exit cleanup(void) -{ - platform_driver_unregister(&udc_driver); -} -module_exit(cleanup); - diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c index d1b76368472f..7322d293213e 100644 --- a/drivers/usb/gadget/net2272.c +++ b/drivers/usb/gadget/net2272.c @@ -69,7 +69,7 @@ static const char * const ep_name[] = { * * If use_dma is disabled, pio will be used instead. */ -static int use_dma = 0; +static bool use_dma = 0; module_param(use_dma, bool, 0644); /* @@ -1459,7 +1459,7 @@ static int net2272_start(struct usb_gadget *_gadget, unsigned i; if (!driver || !driver->unbind || !driver->setup || - driver->speed != USB_SPEED_HIGH) + driver->max_speed != USB_SPEED_HIGH) return -EINVAL; dev = container_of(_gadget, struct net2272, gadget); @@ -2235,7 +2235,7 @@ net2272_probe_init(struct device *dev, unsigned int irq) ret->irq = irq; ret->dev = dev; ret->gadget.ops = &net2272_ops; - ret->gadget.is_dualspeed = 1; + ret->gadget.max_speed = USB_SPEED_HIGH; /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&ret->gadget.dev, "gadget"); diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index 7f1bc9a73cda..cdedd1336745 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -90,8 +90,8 @@ static const char *const ep_name [] = { * Some gadget drivers work better with the dma support here than others. * These two parameters let you use PIO or more aggressive DMA. */ -static int use_dma = 1; -static int use_dma_chaining = 0; +static bool use_dma = 1; +static bool use_dma_chaining = 0; /* "modprobe net2280 use_dma=n" etc */ module_param (use_dma, bool, S_IRUGO); @@ -112,7 +112,7 @@ module_param (fifo_mode, ushort, 0644); * USB suspend requests will be ignored. This is acceptable for * self-powered devices */ -static int enable_suspend = 0; +static bool enable_suspend = 0; /* "modprobe net2280 enable_suspend=1" etc */ module_param (enable_suspend, bool, S_IRUGO); @@ -1881,7 +1881,7 @@ static int net2280_start(struct usb_gadget *_gadget, * (dev->usb->xcvrdiag & FORCE_FULL_SPEED_MODE) * "must not be used in normal operation" */ - if (!driver || driver->speed != USB_SPEED_HIGH + if (!driver || driver->max_speed < USB_SPEED_HIGH || !driver->setup) return -EINVAL; @@ -2698,7 +2698,7 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init (&dev->lock); dev->pdev = pdev; dev->gadget.ops = &net2280_ops; - dev->gadget.is_dualspeed = 1; + dev->gadget.max_speed = USB_SPEED_HIGH; /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&dev->gadget.dev, "gadget"); diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 788989a10223..576cd8578b45 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -98,7 +98,7 @@ module_param (fifo_mode, uint, 0); MODULE_PARM_DESC (fifo_mode, "endpoint configuration"); #ifdef USE_DMA -static unsigned use_dma = 1; +static bool use_dma = 1; /* "modprobe omap_udc use_dma=y", or else as a kernel * boot parameter "omap_udc:use_dma=y" @@ -2110,7 +2110,7 @@ static int omap_udc_start(struct usb_gadget_driver *driver, return -ENODEV; if (!driver // FIXME if otg, check: driver->is_otg - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->setup) return -EINVAL; @@ -2676,6 +2676,7 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) INIT_LIST_HEAD(&udc->gadget.ep_list); INIT_LIST_HEAD(&udc->iso); udc->gadget.speed = USB_SPEED_UNKNOWN; + udc->gadget.max_speed = USB_SPEED_FULL; udc->gadget.name = driver_name; device_initialize(&udc->gadget.dev); diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c index 550d6dcdf104..a3fcaae4bc2a 100644 --- a/drivers/usb/gadget/pch_udc.c +++ b/drivers/usb/gadget/pch_udc.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD. + * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -354,11 +354,12 @@ struct pch_udc_dev { #define PCI_DEVICE_ID_INTEL_EG20T_UDC 0x8808 #define PCI_VENDOR_ID_ROHM 0x10DB #define PCI_DEVICE_ID_ML7213_IOH_UDC 0x801D +#define PCI_DEVICE_ID_ML7831_IOH_UDC 0x8808 static const char ep0_string[] = "ep0in"; static DEFINE_SPINLOCK(udc_stall_spinlock); /* stall spin lock */ struct pch_udc_dev *pch_udc; /* pointer to device object */ -static int speed_fs; +static bool speed_fs; module_param_named(speed_fs, speed_fs, bool, S_IRUGO); MODULE_PARM_DESC(speed_fs, "true for Full speed operation"); @@ -2692,7 +2693,7 @@ static int pch_udc_start(struct usb_gadget_driver *driver, struct pch_udc_dev *dev = pch_udc; int retval; - if (!driver || (driver->speed == USB_SPEED_UNKNOWN) || !bind || + if (!driver || (driver->max_speed == USB_SPEED_UNKNOWN) || !bind || !driver->setup || !driver->unbind || !driver->disconnect) { dev_err(&dev->pdev->dev, "%s: invalid driver parameter\n", __func__); @@ -2940,7 +2941,7 @@ static int pch_udc_probe(struct pci_dev *pdev, dev->gadget.dev.dma_mask = pdev->dev.dma_mask; dev->gadget.dev.release = gadget_release; dev->gadget.name = KBUILD_MODNAME; - dev->gadget.is_dualspeed = 1; + dev->gadget.max_speed = USB_SPEED_HIGH; retval = device_register(&dev->gadget.dev); if (retval) @@ -2970,6 +2971,11 @@ static DEFINE_PCI_DEVICE_TABLE(pch_udc_pcidev_id) = { .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, .class_mask = 0xffffffff, }, + { + PCI_DEVICE(PCI_VENDOR_ID_ROHM, PCI_DEVICE_ID_ML7831_IOH_UDC), + .class = (PCI_CLASS_SERIAL_USB << 8) | 0xfe, + .class_mask = 0xffffffff, + }, { 0 }, }; @@ -2999,5 +3005,5 @@ static void __exit pch_udc_pci_exit(void) module_exit(pch_udc_pci_exit); MODULE_DESCRIPTION("Intel EG20T USB Device Controller"); -MODULE_AUTHOR("OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com>"); +MODULE_AUTHOR("LAPIS Semiconductor, <tomoya-linux@dsn.lapis-semi.com>"); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 65a8834f274b..d83134b0f78a 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -1141,7 +1141,7 @@ printer_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) break; #ifdef CONFIG_USB_GADGET_DUALSPEED case USB_DT_DEVICE_QUALIFIER: - if (!gadget->is_dualspeed) + if (!gadget_is_dualspeed(gadget)) break; /* * assumes ep0 uses the same value for both @@ -1155,7 +1155,7 @@ printer_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) break; case USB_DT_OTHER_SPEED_CONFIG: - if (!gadget->is_dualspeed) + if (!gadget_is_dualspeed(gadget)) break; /* FALLTHROUGH */ #endif /* CONFIG_USB_GADGET_DUALSPEED */ @@ -1535,7 +1535,7 @@ fail: /*-------------------------------------------------------------------------*/ static struct usb_gadget_driver printer_driver = { - .speed = DEVSPEED, + .max_speed = DEVSPEED, .function = (char *) driver_desc, .unbind = printer_unbind, diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index c090a7e3ecf8..dd470635f4f7 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -1264,7 +1264,7 @@ static int pxa25x_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index 18b6b091f2a6..f4c44eb806c3 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -1807,7 +1807,7 @@ static int pxa27x_udc_start(struct usb_gadget_driver *driver, struct pxa_udc *udc = the_controller; int retval; - if (!driver || driver->speed < USB_SPEED_FULL || !bind + if (!driver || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) return -EINVAL; if (!udc) diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c index 68a826a1b866..f5b8d215e1d5 100644 --- a/drivers/usb/gadget/r8a66597-udc.c +++ b/drivers/usb/gadget/r8a66597-udc.c @@ -1718,6 +1718,8 @@ static void r8a66597_fifo_flush(struct usb_ep *_ep) if (list_empty(&ep->queue) && !ep->busy) { pipe_stop(ep->r8a66597, ep->pipenum); r8a66597_bclr(ep->r8a66597, BCLR, ep->fifoctr); + r8a66597_write(ep->r8a66597, ACLRM, ep->pipectr); + r8a66597_write(ep->r8a66597, 0, ep->pipectr); } spin_unlock_irqrestore(&ep->r8a66597->lock, flags); } @@ -1742,26 +1744,16 @@ static int r8a66597_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver) { struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget); - int retval; if (!driver - || driver->speed != USB_SPEED_HIGH + || driver->max_speed < USB_SPEED_HIGH || !driver->setup) return -EINVAL; if (!r8a66597) return -ENODEV; /* hook up the driver */ - driver->driver.bus = NULL; r8a66597->driver = driver; - r8a66597->gadget.dev.driver = &driver->driver; - - retval = device_add(&r8a66597->gadget.dev); - if (retval) { - dev_err(r8a66597_to_dev(r8a66597), "device_add error (%d)\n", - retval); - goto error; - } init_controller(r8a66597); r8a66597_bset(r8a66597, VBSE, INTENB0); @@ -1775,12 +1767,6 @@ static int r8a66597_start(struct usb_gadget *gadget, } return 0; - -error: - r8a66597->driver = NULL; - r8a66597->gadget.dev.driver = NULL; - - return retval; } static int r8a66597_stop(struct usb_gadget *gadget, @@ -1794,7 +1780,6 @@ static int r8a66597_stop(struct usb_gadget *gadget, disable_controller(r8a66597); spin_unlock_irqrestore(&r8a66597->lock, flags); - device_del(&r8a66597->gadget.dev); r8a66597->driver = NULL; return 0; } @@ -1845,6 +1830,7 @@ static int __exit r8a66597_remove(struct platform_device *pdev) clk_put(r8a66597->clk); } #endif + device_unregister(&r8a66597->gadget.dev); kfree(r8a66597); return 0; } @@ -1924,13 +1910,17 @@ static int __init r8a66597_probe(struct platform_device *pdev) r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW; r8a66597->gadget.ops = &r8a66597_gadget_ops; - device_initialize(&r8a66597->gadget.dev); dev_set_name(&r8a66597->gadget.dev, "gadget"); - r8a66597->gadget.is_dualspeed = 1; + r8a66597->gadget.max_speed = USB_SPEED_HIGH; r8a66597->gadget.dev.parent = &pdev->dev; r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask; r8a66597->gadget.dev.release = pdev->dev.release; r8a66597->gadget.name = udc_name; + ret = device_register(&r8a66597->gadget.dev); + if (ret < 0) { + dev_err(&pdev->dev, "device_register failed\n"); + goto clean_up; + } init_timer(&r8a66597->timer); r8a66597->timer.function = r8a66597_timer; @@ -1945,7 +1935,7 @@ static int __init r8a66597_probe(struct platform_device *pdev) dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name); ret = PTR_ERR(r8a66597->clk); - goto clean_up; + goto clean_up_dev; } clk_enable(r8a66597->clk); } @@ -2014,7 +2004,9 @@ clean_up2: clk_disable(r8a66597->clk); clk_put(r8a66597->clk); } +clean_up_dev: #endif + device_unregister(&r8a66597->gadget.dev); clean_up: if (r8a66597) { if (r8a66597->sudmac_reg) diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index a552453dc946..69295ba9d99a 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -2586,10 +2586,8 @@ static int s3c_hsotg_start(struct usb_gadget_driver *driver, return -EINVAL; } - if (driver->speed != USB_SPEED_HIGH && - driver->speed != USB_SPEED_FULL) { + if (driver->max_speed < USB_SPEED_FULL) dev_err(hsotg->dev, "%s: bad speed\n", __func__); - } if (!bind || !driver->setup) { dev_err(hsotg->dev, "%s: missing entry points\n", __func__); @@ -3364,7 +3362,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) dev_set_name(&hsotg->gadget.dev, "gadget"); - hsotg->gadget.is_dualspeed = 1; + hsotg->gadget.max_speed = USB_SPEED_HIGH; hsotg->gadget.ops = &s3c_hsotg_gadget_ops; hsotg->gadget.name = dev_name(dev); @@ -3469,18 +3467,7 @@ static struct platform_driver s3c_hsotg_driver = { .resume = s3c_hsotg_resume, }; -static int __init s3c_hsotg_modinit(void) -{ - return platform_driver_register(&s3c_hsotg_driver); -} - -static void __exit s3c_hsotg_modexit(void) -{ - platform_driver_unregister(&s3c_hsotg_driver); -} - -module_init(s3c_hsotg_modinit); -module_exit(s3c_hsotg_modexit); +module_platform_driver(s3c_hsotg_driver); MODULE_DESCRIPTION("Samsung S3C USB High-speed/OtG device"); MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>"); diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c index 8d54f893cefe..df8661d266cb 100644 --- a/drivers/usb/gadget/s3c-hsudc.c +++ b/drivers/usb/gadget/s3c-hsudc.c @@ -28,9 +28,10 @@ #include <linux/usb/gadget.h> #include <linux/usb/otg.h> #include <linux/prefetch.h> +#include <linux/platform_data/s3c-hsudc.h> +#include <linux/regulator/consumer.h> #include <mach/regs-s3c2443-clock.h> -#include <plat/udc.h> #define S3C_HSUDC_REG(x) (x) @@ -87,6 +88,12 @@ #define DATA_STATE_XMIT (1) #define DATA_STATE_RECV (2) +static const char * const s3c_hsudc_supply_names[] = { + "vdda", /* analog phy supply, 3.3V */ + "vddi", /* digital phy supply, 1.2V */ + "vddosc", /* oscillator supply, 1.8V - 3.3V */ +}; + /** * struct s3c_hsudc_ep - Endpoint representation used by driver. * @ep: USB gadget layer representation of device endpoint. @@ -139,6 +146,7 @@ struct s3c_hsudc { struct device *dev; struct s3c24xx_hsudc_platdata *pd; struct otg_transceiver *transceiver; + struct regulator_bulk_data supplies[ARRAY_SIZE(s3c_hsudc_supply_names)]; spinlock_t lock; void __iomem *regs; struct resource *mem_rsrc; @@ -153,7 +161,6 @@ struct s3c_hsudc { #define ep_index(_ep) ((_ep)->bEndpointAddress & \ USB_ENDPOINT_NUMBER_MASK) -static struct s3c_hsudc *the_controller; static const char driver_name[] = "s3c-udc"; static const char ep0name[] = "ep0-control"; @@ -282,8 +289,7 @@ static void s3c_hsudc_nuke_ep(struct s3c_hsudc_ep *hsep, int status) * All the endpoints are stopped and any pending transfer requests if any on * the endpoint are terminated. */ -static void s3c_hsudc_stop_activity(struct s3c_hsudc *hsudc, - struct usb_gadget_driver *driver) +static void s3c_hsudc_stop_activity(struct s3c_hsudc *hsudc) { struct s3c_hsudc_ep *hsep; int epnum; @@ -295,10 +301,6 @@ static void s3c_hsudc_stop_activity(struct s3c_hsudc *hsudc, hsep->stopped = 1; s3c_hsudc_nuke_ep(hsep, -ESHUTDOWN); } - - spin_unlock(&hsudc->lock); - driver->disconnect(&hsudc->gadget); - spin_lock(&hsudc->lock); } /** @@ -1135,17 +1137,15 @@ static irqreturn_t s3c_hsudc_irq(int irq, void *_dev) return IRQ_HANDLED; } -static int s3c_hsudc_start(struct usb_gadget_driver *driver, - int (*bind)(struct usb_gadget *)) +static int s3c_hsudc_start(struct usb_gadget *gadget, + struct usb_gadget_driver *driver) { - struct s3c_hsudc *hsudc = the_controller; + struct s3c_hsudc *hsudc = to_hsudc(gadget); int ret; if (!driver - || (driver->speed != USB_SPEED_FULL && - driver->speed != USB_SPEED_HIGH) - || !bind - || !driver->unbind || !driver->disconnect || !driver->setup) + || driver->max_speed < USB_SPEED_FULL + || !driver->setup) return -EINVAL; if (!hsudc) @@ -1156,21 +1156,12 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver, hsudc->driver = driver; hsudc->gadget.dev.driver = &driver->driver; - hsudc->gadget.speed = USB_SPEED_UNKNOWN; - ret = device_add(&hsudc->gadget.dev); - if (ret) { - dev_err(hsudc->dev, "failed to probe gadget device"); - return ret; - } - ret = bind(&hsudc->gadget); - if (ret) { - dev_err(hsudc->dev, "%s: bind failed\n", hsudc->gadget.name); - device_del(&hsudc->gadget.dev); - - hsudc->driver = NULL; - hsudc->gadget.dev.driver = NULL; - return ret; + ret = regulator_bulk_enable(ARRAY_SIZE(hsudc->supplies), + hsudc->supplies); + if (ret != 0) { + dev_err(hsudc->dev, "failed to enable supplies: %d\n", ret); + goto err_supplies; } /* connect to bus through transceiver */ @@ -1179,13 +1170,7 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver, if (ret) { dev_err(hsudc->dev, "%s: can't bind to transceiver\n", hsudc->gadget.name); - driver->unbind(&hsudc->gadget); - - device_del(&hsudc->gadget.dev); - - hsudc->driver = NULL; - hsudc->gadget.dev.driver = NULL; - return ret; + goto err_otg; } } @@ -1198,34 +1183,43 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver, hsudc->pd->gpio_init(); return 0; +err_otg: + regulator_bulk_disable(ARRAY_SIZE(hsudc->supplies), hsudc->supplies); +err_supplies: + hsudc->driver = NULL; + hsudc->gadget.dev.driver = NULL; + return ret; } -static int s3c_hsudc_stop(struct usb_gadget_driver *driver) +static int s3c_hsudc_stop(struct usb_gadget *gadget, + struct usb_gadget_driver *driver) { - struct s3c_hsudc *hsudc = the_controller; + struct s3c_hsudc *hsudc = to_hsudc(gadget); unsigned long flags; if (!hsudc) return -ENODEV; - if (!driver || driver != hsudc->driver || !driver->unbind) + if (!driver || driver != hsudc->driver) return -EINVAL; spin_lock_irqsave(&hsudc->lock, flags); - hsudc->driver = 0; + hsudc->driver = NULL; + hsudc->gadget.dev.driver = NULL; + hsudc->gadget.speed = USB_SPEED_UNKNOWN; s3c_hsudc_uninit_phy(); if (hsudc->pd->gpio_uninit) hsudc->pd->gpio_uninit(); - s3c_hsudc_stop_activity(hsudc, driver); + s3c_hsudc_stop_activity(hsudc); spin_unlock_irqrestore(&hsudc->lock, flags); if (hsudc->transceiver) (void) otg_set_peripheral(hsudc->transceiver, NULL); - driver->unbind(&hsudc->gadget); - device_del(&hsudc->gadget.dev); disable_irq(hsudc->irq); + regulator_bulk_disable(ARRAY_SIZE(hsudc->supplies), hsudc->supplies); + dev_info(hsudc->dev, "unregistered gadget driver '%s'\n", driver->driver.name); return 0; @@ -1243,7 +1237,7 @@ static int s3c_hsudc_gadget_getframe(struct usb_gadget *gadget) static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA) { - struct s3c_hsudc *hsudc = the_controller; + struct s3c_hsudc *hsudc = to_hsudc(gadget); if (!hsudc) return -ENODEV; @@ -1256,18 +1250,18 @@ static int s3c_hsudc_vbus_draw(struct usb_gadget *gadget, unsigned mA) static struct usb_gadget_ops s3c_hsudc_gadget_ops = { .get_frame = s3c_hsudc_gadget_getframe, - .start = s3c_hsudc_start, - .stop = s3c_hsudc_stop, + .udc_start = s3c_hsudc_start, + .udc_stop = s3c_hsudc_stop, .vbus_draw = s3c_hsudc_vbus_draw, }; -static int s3c_hsudc_probe(struct platform_device *pdev) +static int __devinit s3c_hsudc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct resource *res; struct s3c_hsudc *hsudc; struct s3c24xx_hsudc_platdata *pd = pdev->dev.platform_data; - int ret; + int ret, i; hsudc = kzalloc(sizeof(struct s3c_hsudc) + sizeof(struct s3c_hsudc_ep) * pd->epnum, @@ -1277,13 +1271,22 @@ static int s3c_hsudc_probe(struct platform_device *pdev) return -ENOMEM; } - the_controller = hsudc; platform_set_drvdata(pdev, dev); hsudc->dev = dev; hsudc->pd = pdev->dev.platform_data; hsudc->transceiver = otg_get_transceiver(); + for (i = 0; i < ARRAY_SIZE(hsudc->supplies); i++) + hsudc->supplies[i].supply = s3c_hsudc_supply_names[i]; + + ret = regulator_bulk_get(dev, ARRAY_SIZE(hsudc->supplies), + hsudc->supplies); + if (ret != 0) { + dev_err(dev, "failed to request supplies: %d\n", ret); + goto err_supplies; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "unable to obtain driver resource data\n"); @@ -1308,10 +1311,9 @@ static int s3c_hsudc_probe(struct platform_device *pdev) spin_lock_init(&hsudc->lock); - device_initialize(&hsudc->gadget.dev); dev_set_name(&hsudc->gadget.dev, "gadget"); - hsudc->gadget.is_dualspeed = 1; + hsudc->gadget.max_speed = USB_SPEED_HIGH; hsudc->gadget.ops = &s3c_hsudc_gadget_ops; hsudc->gadget.name = dev_name(dev); hsudc->gadget.dev.parent = dev; @@ -1320,6 +1322,7 @@ static int s3c_hsudc_probe(struct platform_device *pdev) hsudc->gadget.is_otg = 0; hsudc->gadget.is_a_peripheral = 0; + hsudc->gadget.speed = USB_SPEED_UNKNOWN; s3c_hsudc_setup_ep(hsudc); @@ -1349,12 +1352,20 @@ static int s3c_hsudc_probe(struct platform_device *pdev) disable_irq(hsudc->irq); local_irq_enable(); + ret = device_register(&hsudc->gadget.dev); + if (ret) { + put_device(&hsudc->gadget.dev); + goto err_add_device; + } + ret = usb_add_gadget_udc(&pdev->dev, &hsudc->gadget); if (ret) goto err_add_udc; return 0; err_add_udc: + device_unregister(&hsudc->gadget.dev); +err_add_device: clk_disable(hsudc->uclk); clk_put(hsudc->uclk); err_clk: @@ -1363,10 +1374,13 @@ err_irq: iounmap(hsudc->regs); err_remap: - release_resource(hsudc->mem_rsrc); - kfree(hsudc->mem_rsrc); - + release_mem_region(res->start, resource_size(res)); err_res: + if (hsudc->transceiver) + otg_put_transceiver(hsudc->transceiver); + + regulator_bulk_free(ARRAY_SIZE(hsudc->supplies), hsudc->supplies); +err_supplies: kfree(hsudc); return ret; } @@ -1378,21 +1392,10 @@ static struct platform_driver s3c_hsudc_driver = { }, .probe = s3c_hsudc_probe, }; -MODULE_ALIAS("platform:s3c-hsudc"); - -static int __init s3c_hsudc_modinit(void) -{ - return platform_driver_register(&s3c_hsudc_driver); -} -static void __exit s3c_hsudc_modexit(void) -{ - platform_driver_unregister(&s3c_hsudc_driver); -} - -module_init(s3c_hsudc_modinit); -module_exit(s3c_hsudc_modexit); +module_platform_driver(s3c_hsudc_driver); MODULE_DESCRIPTION("Samsung S3C24XX USB high-speed controller driver"); MODULE_AUTHOR("Thomas Abraham <thomas.ab@samsung.com>"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:s3c-hsudc"); diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index b8643771fa80..3f87cb9344bb 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -3,7 +3,7 @@ * * Samsung S3C24xx series on-chip full speed USB device controllers * - * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard + * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard * Additional cleanups by Ben Dooks <ben-linux@fluff.org> * * This program is free software; you can redistribute it and/or modify @@ -51,7 +51,7 @@ #define DRIVER_DESC "S3C2410 USB Device Controller Gadget" #define DRIVER_VERSION "29 Apr 2007" -#define DRIVER_AUTHOR "Herbert Pötzl <herbert@13thfloor.at>, " \ +#define DRIVER_AUTHOR "Herbert Pötzl <herbert@13thfloor.at>, " \ "Arnaud Patard <arnaud.patard@rtp-net.org>" static const char gadget_name[] = "s3c2410_udc"; @@ -1683,9 +1683,9 @@ static int s3c2410_udc_start(struct usb_gadget_driver *driver, if (udc->driver) return -EBUSY; - if (!bind || !driver->setup || driver->speed < USB_SPEED_FULL) { + if (!bind || !driver->setup || driver->max_speed < USB_SPEED_FULL) { printk(KERN_ERR "Invalid driver: bind %p setup %p speed %d\n", - bind, driver->setup, driver->speed); + bind, driver->setup, driver->max_speed); return -EINVAL; } #if defined(MODULE) diff --git a/drivers/usb/gadget/s3c2410_udc.h b/drivers/usb/gadget/s3c2410_udc.h index a48f619cb1cc..1653bae08b80 100644 --- a/drivers/usb/gadget/s3c2410_udc.h +++ b/drivers/usb/gadget/s3c2410_udc.h @@ -2,7 +2,7 @@ * linux/drivers/usb/gadget/s3c2410_udc.h * Samsung on-chip full speed USB device controllers * - * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard + * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard * Additional cleanups by Ben Dooks <ben-linux@fluff.org> * * This program is free software; you can redistribute it and/or modify diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c index ed1b816e58d8..ad9e5b2df642 100644 --- a/drivers/usb/gadget/serial.c +++ b/drivers/usb/gadget/serial.c @@ -123,11 +123,11 @@ MODULE_AUTHOR("Al Borchers"); MODULE_AUTHOR("David Brownell"); MODULE_LICENSE("GPL"); -static int use_acm = true; +static bool use_acm = true; module_param(use_acm, bool, 0); MODULE_PARM_DESC(use_acm, "Use CDC ACM, default=yes"); -static int use_obex = false; +static bool use_obex = false; module_param(use_obex, bool, 0); MODULE_PARM_DESC(use_obex, "Use CDC OBEX, default=no"); diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c index 022baeca7c94..0b0d12ccc487 100644 --- a/drivers/usb/gadget/udc-core.c +++ b/drivers/usb/gadget/udc-core.c @@ -210,10 +210,10 @@ static void usb_gadget_remove_driver(struct usb_udc *udc) kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE); if (udc_is_newstyle(udc)) { - usb_gadget_disconnect(udc->gadget); + udc->driver->disconnect(udc->gadget); udc->driver->unbind(udc->gadget); usb_gadget_udc_stop(udc->gadget, udc->driver); - + usb_gadget_disconnect(udc->gadget); } else { usb_gadget_stop(udc->gadget, udc->driver); } @@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(usb_gadget_unregister_driver); static ssize_t usb_udc_srp_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t n) { - struct usb_udc *udc = dev_get_drvdata(dev); + struct usb_udc *udc = container_of(dev, struct usb_udc, dev); if (sysfs_streq(buf, "1")) usb_gadget_wakeup(udc->gadget); @@ -371,14 +371,28 @@ static ssize_t usb_udc_softconn_store(struct device *dev, } static DEVICE_ATTR(soft_connect, S_IWUSR, NULL, usb_udc_softconn_store); -static ssize_t usb_udc_speed_show(struct device *dev, +#define USB_UDC_SPEED_ATTR(name, param) \ +ssize_t usb_udc_##param##_show(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct usb_udc *udc = container_of(dev, struct usb_udc, dev); \ + return snprintf(buf, PAGE_SIZE, "%s\n", \ + usb_speed_string(udc->gadget->param)); \ +} \ +static DEVICE_ATTR(name, S_IRUSR, usb_udc_##param##_show, NULL) + +static USB_UDC_SPEED_ATTR(current_speed, speed); +static USB_UDC_SPEED_ATTR(maximum_speed, max_speed); + +/* TODO: Scheduled for removal in 3.8. */ +static ssize_t usb_udc_is_dualspeed_show(struct device *dev, struct device_attribute *attr, char *buf) { struct usb_udc *udc = container_of(dev, struct usb_udc, dev); - return snprintf(buf, PAGE_SIZE, "%s\n", - usb_speed_string(udc->gadget->speed)); + return snprintf(buf, PAGE_SIZE, "%d\n", + gadget_is_dualspeed(udc->gadget)); } -static DEVICE_ATTR(speed, S_IRUSR, usb_udc_speed_show, NULL); +static DEVICE_ATTR(is_dualspeed, S_IRUSR, usb_udc_is_dualspeed_show, NULL); #define USB_UDC_ATTR(name) \ ssize_t usb_udc_##name##_show(struct device *dev, \ @@ -389,9 +403,8 @@ ssize_t usb_udc_##name##_show(struct device *dev, \ \ return snprintf(buf, PAGE_SIZE, "%d\n", gadget->name); \ } \ -static DEVICE_ATTR(name, S_IRUSR, usb_udc_##name##_show, NULL) +static DEVICE_ATTR(name, S_IRUGO, usb_udc_##name##_show, NULL) -static USB_UDC_ATTR(is_dualspeed); static USB_UDC_ATTR(is_otg); static USB_UDC_ATTR(is_a_peripheral); static USB_UDC_ATTR(b_hnp_enable); @@ -401,7 +414,8 @@ static USB_UDC_ATTR(a_alt_hnp_support); static struct attribute *usb_udc_attrs[] = { &dev_attr_srp.attr, &dev_attr_soft_connect.attr, - &dev_attr_speed.attr, + &dev_attr_current_speed.attr, + &dev_attr_maximum_speed.attr, &dev_attr_is_dualspeed.attr, &dev_attr_is_otg.attr, diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c index 58c4d37d312a..4d25b9009edf 100644 --- a/drivers/usb/gadget/usbstring.c +++ b/drivers/usb/gadget/usbstring.c @@ -13,82 +13,17 @@ #include <linux/string.h> #include <linux/device.h> #include <linux/init.h> +#include <linux/nls.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> -#include <asm/unaligned.h> - - -static int utf8_to_utf16le(const char *s, __le16 *cp, unsigned len) -{ - int count = 0; - u8 c; - u16 uchar; - - /* this insists on correct encodings, though not minimal ones. - * BUT it currently rejects legit 4-byte UTF-8 code points, - * which need surrogate pairs. (Unicode 3.1 can use them.) - */ - while (len != 0 && (c = (u8) *s++) != 0) { - if (unlikely(c & 0x80)) { - // 2-byte sequence: - // 00000yyyyyxxxxxx = 110yyyyy 10xxxxxx - if ((c & 0xe0) == 0xc0) { - uchar = (c & 0x1f) << 6; - - c = (u8) *s++; - if ((c & 0xc0) != 0x80) - goto fail; - c &= 0x3f; - uchar |= c; - - // 3-byte sequence (most CJKV characters): - // zzzzyyyyyyxxxxxx = 1110zzzz 10yyyyyy 10xxxxxx - } else if ((c & 0xf0) == 0xe0) { - uchar = (c & 0x0f) << 12; - - c = (u8) *s++; - if ((c & 0xc0) != 0x80) - goto fail; - c &= 0x3f; - uchar |= c << 6; - - c = (u8) *s++; - if ((c & 0xc0) != 0x80) - goto fail; - c &= 0x3f; - uchar |= c; - - /* no bogus surrogates */ - if (0xd800 <= uchar && uchar <= 0xdfff) - goto fail; - - // 4-byte sequence (surrogate pairs, currently rare): - // 11101110wwwwzzzzyy + 110111yyyyxxxxxx - // = 11110uuu 10uuzzzz 10yyyyyy 10xxxxxx - // (uuuuu = wwww + 1) - // FIXME accept the surrogate code points (only) - - } else - goto fail; - } else - uchar = c; - put_unaligned_le16(uchar, cp++); - count++; - len--; - } - return count; -fail: - return -1; -} - /** * usb_gadget_get_string - fill out a string descriptor * @table: of c strings encoded using UTF-8 * @id: string id, from low byte of wValue in get string descriptor - * @buf: at least 256 bytes + * @buf: at least 256 bytes, must be 16-bit aligned * * Finds the UTF-8 string matching the ID, and converts it into a * string descriptor in utf16-le. @@ -125,8 +60,8 @@ usb_gadget_get_string (struct usb_gadget_strings *table, int id, u8 *buf) /* string descriptors have length, tag, then UTF16-LE text */ len = min ((size_t) 126, strlen (s->s)); - memset (buf + 2, 0, 2 * len); /* zero all the bytes */ - len = utf8_to_utf16le(s->s, (__le16 *)&buf[2], len); + len = utf8s_to_utf16s(s->s, len, UTF16_LITTLE_ENDIAN, + (wchar_t *) &buf[2], 126); if (len < 0) return -EINVAL; buf [0] = (len + 1) * 2; diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c index 20697cc132d1..31d34832907e 100644 --- a/drivers/usb/gadget/zero.c +++ b/drivers/usb/gadget/zero.c @@ -81,7 +81,7 @@ module_param(buflen, uint, 0); * work better with hosts where config changes are problematic or * controllers (like original superh) that only support one config. */ -static int loopdefault = 0; +static bool loopdefault = 0; module_param(loopdefault, bool, S_IRUGO|S_IWUSR); /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 060e0e2b1ae6..91413cac97be 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -194,6 +194,15 @@ config USB_EHCI_S5P help Enable support for the S5P SOC's on-chip EHCI controller. +config USB_EHCI_MV + bool "EHCI support for Marvell on-chip controller" + depends on USB_EHCI_HCD + select USB_EHCI_ROOT_HUB_TT + ---help--- + Enables support for Marvell (including PXA and MMP series) on-chip + USB SPH and OTG controller. SPH is a single port host, and it can + only be EHCI host. OTG is controller that can switch to host mode. + config USB_W90X900_EHCI bool "W90X900(W90P910) EHCI support" depends on USB_EHCI_HCD && ARCH_W90X900 @@ -210,7 +219,7 @@ config USB_CNS3XXX_EHCI config USB_EHCI_ATH79 bool "EHCI support for AR7XXX/AR9XXX SoCs" - depends on USB_EHCI_HCD && (SOC_AR71XX || SOC_AR724X || SOC_AR913X) + depends on USB_EHCI_HCD && (SOC_AR71XX || SOC_AR724X || SOC_AR913X || SOC_AR933X) select USB_EHCI_ROOT_HUB_TT default y ---help--- @@ -371,6 +380,12 @@ config USB_OHCI_SH Enables support for the on-chip OHCI controller on the SuperH. If you use the PCI OHCI controller, this option is not necessary. +config USB_OHCI_EXYNOS + boolean "OHCI support for Samsung EXYNOS SoC Series" + depends on USB_OHCI_HCD && ARCH_EXYNOS + help + Enable support for the Samsung Exynos SOC's on-chip OHCI controller. + config USB_CNS3XXX_OHCI bool "Cavium CNS3XXX OHCI Module" depends on USB_OHCI_HCD && ARCH_CNS3XXX diff --git a/drivers/usb/host/alchemy-common.c b/drivers/usb/host/alchemy-common.c index b4192c964d0d..936af8359fb2 100644 --- a/drivers/usb/host/alchemy-common.c +++ b/drivers/usb/host/alchemy-common.c @@ -52,9 +52,263 @@ USBCFG_EBE | USBCFG_EME | USBCFG_OBE | \ USBCFG_OME) +/* Au1300 USB config registers */ +#define USB_DWC_CTRL1 0x00 +#define USB_DWC_CTRL2 0x04 +#define USB_VBUS_TIMER 0x10 +#define USB_SBUS_CTRL 0x14 +#define USB_MSR_ERR 0x18 +#define USB_DWC_CTRL3 0x1C +#define USB_DWC_CTRL4 0x20 +#define USB_OTG_STATUS 0x28 +#define USB_DWC_CTRL5 0x2C +#define USB_DWC_CTRL6 0x30 +#define USB_DWC_CTRL7 0x34 +#define USB_PHY_STATUS 0xC0 +#define USB_INT_STATUS 0xC4 +#define USB_INT_ENABLE 0xC8 + +#define USB_DWC_CTRL1_OTGD 0x04 /* set to DISable OTG */ +#define USB_DWC_CTRL1_HSTRS 0x02 /* set to ENable EHCI */ +#define USB_DWC_CTRL1_DCRS 0x01 /* set to ENable UDC */ + +#define USB_DWC_CTRL2_PHY1RS 0x04 /* set to enable PHY1 */ +#define USB_DWC_CTRL2_PHY0RS 0x02 /* set to enable PHY0 */ +#define USB_DWC_CTRL2_PHYRS 0x01 /* set to enable PHY */ + +#define USB_DWC_CTRL3_OHCI1_CKEN (1 << 19) +#define USB_DWC_CTRL3_OHCI0_CKEN (1 << 18) +#define USB_DWC_CTRL3_EHCI0_CKEN (1 << 17) +#define USB_DWC_CTRL3_OTG0_CKEN (1 << 16) + +#define USB_SBUS_CTRL_SBCA 0x04 /* coherent access */ + +#define USB_INTEN_FORCE 0x20 +#define USB_INTEN_PHY 0x10 +#define USB_INTEN_UDC 0x08 +#define USB_INTEN_EHCI 0x04 +#define USB_INTEN_OHCI1 0x02 +#define USB_INTEN_OHCI0 0x01 static DEFINE_SPINLOCK(alchemy_usb_lock); +static inline void __au1300_usb_phyctl(void __iomem *base, int enable) +{ + unsigned long r, s; + + r = __raw_readl(base + USB_DWC_CTRL2); + s = __raw_readl(base + USB_DWC_CTRL3); + + s &= USB_DWC_CTRL3_OHCI1_CKEN | USB_DWC_CTRL3_OHCI0_CKEN | + USB_DWC_CTRL3_EHCI0_CKEN | USB_DWC_CTRL3_OTG0_CKEN; + + if (enable) { + /* simply enable all PHYs */ + r |= USB_DWC_CTRL2_PHY1RS | USB_DWC_CTRL2_PHY0RS | + USB_DWC_CTRL2_PHYRS; + __raw_writel(r, base + USB_DWC_CTRL2); + wmb(); + } else if (!s) { + /* no USB block active, do disable all PHYs */ + r &= ~(USB_DWC_CTRL2_PHY1RS | USB_DWC_CTRL2_PHY0RS | + USB_DWC_CTRL2_PHYRS); + __raw_writel(r, base + USB_DWC_CTRL2); + wmb(); + } +} + +static inline void __au1300_ohci_control(void __iomem *base, int enable, int id) +{ + unsigned long r; + + if (enable) { + __raw_writel(1, base + USB_DWC_CTRL7); /* start OHCI clock */ + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL3); /* enable OHCI block */ + r |= (id == 0) ? USB_DWC_CTRL3_OHCI0_CKEN + : USB_DWC_CTRL3_OHCI1_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + __au1300_usb_phyctl(base, enable); /* power up the PHYs */ + + r = __raw_readl(base + USB_INT_ENABLE); + r |= (id == 0) ? USB_INTEN_OHCI0 : USB_INTEN_OHCI1; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + + /* reset the OHCI start clock bit */ + __raw_writel(0, base + USB_DWC_CTRL7); + wmb(); + } else { + r = __raw_readl(base + USB_INT_ENABLE); + r &= ~((id == 0) ? USB_INTEN_OHCI0 : USB_INTEN_OHCI1); + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL3); + r &= ~((id == 0) ? USB_DWC_CTRL3_OHCI0_CKEN + : USB_DWC_CTRL3_OHCI1_CKEN); + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + __au1300_usb_phyctl(base, enable); + } +} + +static inline void __au1300_ehci_control(void __iomem *base, int enable) +{ + unsigned long r; + + if (enable) { + r = __raw_readl(base + USB_DWC_CTRL3); + r |= USB_DWC_CTRL3_EHCI0_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL1); + r |= USB_DWC_CTRL1_HSTRS; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + __au1300_usb_phyctl(base, enable); + + r = __raw_readl(base + USB_INT_ENABLE); + r |= USB_INTEN_EHCI; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + } else { + r = __raw_readl(base + USB_INT_ENABLE); + r &= ~USB_INTEN_EHCI; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL1); + r &= ~USB_DWC_CTRL1_HSTRS; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL3); + r &= ~USB_DWC_CTRL3_EHCI0_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + __au1300_usb_phyctl(base, enable); + } +} + +static inline void __au1300_udc_control(void __iomem *base, int enable) +{ + unsigned long r; + + if (enable) { + r = __raw_readl(base + USB_DWC_CTRL1); + r |= USB_DWC_CTRL1_DCRS; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + __au1300_usb_phyctl(base, enable); + + r = __raw_readl(base + USB_INT_ENABLE); + r |= USB_INTEN_UDC; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + } else { + r = __raw_readl(base + USB_INT_ENABLE); + r &= ~USB_INTEN_UDC; + __raw_writel(r, base + USB_INT_ENABLE); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL1); + r &= ~USB_DWC_CTRL1_DCRS; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + __au1300_usb_phyctl(base, enable); + } +} + +static inline void __au1300_otg_control(void __iomem *base, int enable) +{ + unsigned long r; + if (enable) { + r = __raw_readl(base + USB_DWC_CTRL3); + r |= USB_DWC_CTRL3_OTG0_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL1); + r &= ~USB_DWC_CTRL1_OTGD; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + __au1300_usb_phyctl(base, enable); + } else { + r = __raw_readl(base + USB_DWC_CTRL1); + r |= USB_DWC_CTRL1_OTGD; + __raw_writel(r, base + USB_DWC_CTRL1); + wmb(); + + r = __raw_readl(base + USB_DWC_CTRL3); + r &= ~USB_DWC_CTRL3_OTG0_CKEN; + __raw_writel(r, base + USB_DWC_CTRL3); + wmb(); + + __au1300_usb_phyctl(base, enable); + } +} + +static inline int au1300_usb_control(int block, int enable) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); + int ret = 0; + + switch (block) { + case ALCHEMY_USB_OHCI0: + __au1300_ohci_control(base, enable, 0); + break; + case ALCHEMY_USB_OHCI1: + __au1300_ohci_control(base, enable, 1); + break; + case ALCHEMY_USB_EHCI0: + __au1300_ehci_control(base, enable); + break; + case ALCHEMY_USB_UDC0: + __au1300_udc_control(base, enable); + break; + case ALCHEMY_USB_OTG0: + __au1300_otg_control(base, enable); + break; + default: + ret = -ENODEV; + } + return ret; +} + +static inline void au1300_usb_init(void) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); + + /* set some sane defaults. Note: we don't fiddle with DWC_CTRL4 + * here at all: Port 2 routing (EHCI or UDC) must be set either + * by boot firmware or platform init code; I can't autodetect + * a sane setting. + */ + __raw_writel(0, base + USB_INT_ENABLE); /* disable all USB irqs */ + wmb(); + __raw_writel(0, base + USB_DWC_CTRL3); /* disable all clocks */ + wmb(); + __raw_writel(~0, base + USB_MSR_ERR); /* clear all errors */ + wmb(); + __raw_writel(~0, base + USB_INT_STATUS); /* clear int status */ + wmb(); + /* set coherent access bit */ + __raw_writel(USB_SBUS_CTRL_SBCA, base + USB_SBUS_CTRL); + wmb(); +} static inline void __au1200_ohci_control(void __iomem *base, int enable) { @@ -233,6 +487,9 @@ int alchemy_usb_control(int block, int enable) case ALCHEMY_CPU_AU1200: ret = au1200_usb_control(block, enable); break; + case ALCHEMY_CPU_AU1300: + ret = au1300_usb_control(block, enable); + break; default: ret = -ENODEV; } @@ -281,6 +538,20 @@ static void au1200_usb_pm(int susp) } } +static void au1300_usb_pm(int susp) +{ + void __iomem *base = + (void __iomem *)KSEG1ADDR(AU1300_USB_CTL_PHYS_ADDR); + /* remember Port2 routing */ + if (susp) { + alchemy_usb_pmdata[0] = __raw_readl(base + USB_DWC_CTRL4); + } else { + au1300_usb_init(); + __raw_writel(alchemy_usb_pmdata[0], base + USB_DWC_CTRL4); + wmb(); + } +} + static void alchemy_usb_pm(int susp) { switch (alchemy_get_cputype()) { @@ -295,6 +566,9 @@ static void alchemy_usb_pm(int susp) case ALCHEMY_CPU_AU1200: au1200_usb_pm(susp); break; + case ALCHEMY_CPU_AU1300: + au1300_usb_pm(susp); + break; } } @@ -328,6 +602,9 @@ static int __init alchemy_usb_init(void) case ALCHEMY_CPU_AU1200: au1200_usb_init(); break; + case ALCHEMY_CPU_AU1300: + au1300_usb_init(); + break; } register_syscore_ops(&alchemy_usb_pm_ops); diff --git a/drivers/usb/host/ehci-ath79.c b/drivers/usb/host/ehci-ath79.c index afb6743cf094..f1424f9bc363 100644 --- a/drivers/usb/host/ehci-ath79.c +++ b/drivers/usb/host/ehci-ath79.c @@ -33,6 +33,10 @@ static const struct platform_device_id ehci_ath79_id_table[] = { .driver_data = EHCI_ATH79_IP_V2, }, { + .name = "ar933x-ehci", + .driver_data = EHCI_ATH79_IP_V2, + }, + { /* terminating entry */ }, }; diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index 18bafa99fe57..bf7441afed16 100644 --- a/drivers/usb/host/ehci-au1xxx.c +++ b/drivers/usb/host/ehci-au1xxx.c @@ -23,6 +23,7 @@ static int au1xxx_ehci_setup(struct usb_hcd *hcd) int ret = ehci_init(hcd); ehci->need_io_watchdog = 0; + ehci_reset(ehci); return ret; } diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 3ff9f82f7263..a007a9fe0f87 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -48,6 +48,10 @@ #include <asm/system.h> #include <asm/unaligned.h> +#if defined(CONFIG_PPC_PS3) +#include <asm/firmware.h> +#endif + /*-------------------------------------------------------------------------*/ /* @@ -108,7 +112,7 @@ module_param (park, uint, S_IRUGO); MODULE_PARM_DESC (park, "park setting; 1-3 back-to-back async packets"); /* for flakey hardware, ignore overcurrent indicators */ -static int ignore_oc = 0; +static bool ignore_oc = 0; module_param (ignore_oc, bool, S_IRUGO); MODULE_PARM_DESC (ignore_oc, "ignore bogus hardware overcurrent indications"); @@ -230,12 +234,58 @@ static int ehci_halt (struct ehci_hcd *ehci) STS_HALT, STS_HALT, 16 * 125); } +#if defined(CONFIG_USB_SUSPEND) && defined(CONFIG_PPC_PS3) + +/* + * The EHCI controller of the Cell Super Companion Chip used in the + * PS3 will stop the root hub after all root hub ports are suspended. + * When in this condition handshake will return -ETIMEDOUT. The + * STS_HLT bit will not be set, so inspection of the frame index is + * used here to test for the condition. If the condition is found + * return success to allow the USB suspend to complete. + */ + +static int handshake_for_broken_root_hub(struct ehci_hcd *ehci, + void __iomem *ptr, u32 mask, u32 done, + int usec) +{ + unsigned int old_index; + int error; + + if (!firmware_has_feature(FW_FEATURE_PS3_LV1)) + return -ETIMEDOUT; + + old_index = ehci_read_frame_index(ehci); + + error = handshake(ehci, ptr, mask, done, usec); + + if (error == -ETIMEDOUT && ehci_read_frame_index(ehci) == old_index) + return 0; + + return error; +} + +#else + +static int handshake_for_broken_root_hub(struct ehci_hcd *ehci, + void __iomem *ptr, u32 mask, u32 done, + int usec) +{ + return -ETIMEDOUT; +} + +#endif + static int handshake_on_error_set_halt(struct ehci_hcd *ehci, void __iomem *ptr, u32 mask, u32 done, int usec) { int error; error = handshake(ehci, ptr, mask, done, usec); + if (error == -ETIMEDOUT) + error = handshake_for_broken_root_hub(ehci, ptr, mask, done, + usec); + if (error) { ehci_halt(ehci); ehci->rh_state = EHCI_RH_HALTED; @@ -620,6 +670,7 @@ static int ehci_init(struct usb_hcd *hcd) hw = ehci->async->hw; hw->hw_next = QH_NEXT(ehci, ehci->async->qh_dma); hw->hw_info1 = cpu_to_hc32(ehci, QH_HEAD); + hw->hw_info1 |= cpu_to_hc32(ehci, (1 << 7)); /* I = 1 */ hw->hw_token = cpu_to_hc32(ehci, QTD_STS_HALT); hw->hw_qtd_next = EHCI_LIST_END(ehci); ehci->async->qh_state = QH_STATE_LINKED; @@ -677,22 +728,13 @@ static int ehci_init(struct usb_hcd *hcd) static int ehci_run (struct usb_hcd *hcd) { struct ehci_hcd *ehci = hcd_to_ehci (hcd); - int retval; u32 temp; u32 hcc_params; hcd->uses_new_polling = 1; /* EHCI spec section 4.1 */ - /* - * TDI driver does the ehci_reset in their reset callback. - * Don't reset here, because configuration settings will - * vanish. - */ - if (!ehci_is_TDI(ehci) && (retval = ehci_reset(ehci)) != 0) { - ehci_mem_cleanup(ehci); - return retval; - } + ehci_writel(ehci, ehci->periodic_dma, &ehci->regs->frame_list); ehci_writel(ehci, (u32)ehci->async->qh_dma, &ehci->regs->async_next); @@ -1324,11 +1366,16 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_pxa168_driver #endif -#ifdef CONFIG_NLM_XLR +#ifdef CONFIG_CPU_XLR #include "ehci-xls.c" #define PLATFORM_DRIVER ehci_xls_driver #endif +#ifdef CONFIG_USB_EHCI_MV +#include "ehci-mv.c" +#define PLATFORM_DRIVER ehci_mv_driver +#endif + #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ !defined(XILINX_OF_PLATFORM_DRIVER) diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c new file mode 100644 index 000000000000..52a604fb9321 --- /dev/null +++ b/drivers/usb/host/ehci-mv.c @@ -0,0 +1,391 @@ +/* + * Copyright (C) 2011 Marvell International Ltd. All rights reserved. + * Author: Chao Xie <chao.xie@marvell.com> + * Neil Zhang <zhangwm@marvell.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/clk.h> +#include <linux/usb/otg.h> +#include <linux/platform_data/mv_usb.h> + +#define CAPLENGTH_MASK (0xff) + +struct ehci_hcd_mv { + struct usb_hcd *hcd; + + /* Which mode does this ehci running OTG/Host ? */ + int mode; + + void __iomem *phy_regs; + void __iomem *cap_regs; + void __iomem *op_regs; + + struct otg_transceiver *otg; + + struct mv_usb_platform_data *pdata; + + /* clock source and total clock number */ + unsigned int clknum; + struct clk *clk[0]; +}; + +static void ehci_clock_enable(struct ehci_hcd_mv *ehci_mv) +{ + unsigned int i; + + for (i = 0; i < ehci_mv->clknum; i++) + clk_enable(ehci_mv->clk[i]); +} + +static void ehci_clock_disable(struct ehci_hcd_mv *ehci_mv) +{ + unsigned int i; + + for (i = 0; i < ehci_mv->clknum; i++) + clk_disable(ehci_mv->clk[i]); +} + +static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv) +{ + int retval; + + ehci_clock_enable(ehci_mv); + if (ehci_mv->pdata->phy_init) { + retval = ehci_mv->pdata->phy_init(ehci_mv->phy_regs); + if (retval) + return retval; + } + + return 0; +} + +static void mv_ehci_disable(struct ehci_hcd_mv *ehci_mv) +{ + if (ehci_mv->pdata->phy_deinit) + ehci_mv->pdata->phy_deinit(ehci_mv->phy_regs); + ehci_clock_disable(ehci_mv); +} + +static int mv_ehci_reset(struct usb_hcd *hcd) +{ + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + struct device *dev = hcd->self.controller; + struct ehci_hcd_mv *ehci_mv = dev_get_drvdata(dev); + int retval; + + if (ehci_mv == NULL) { + dev_err(dev, "Can not find private ehci data\n"); + return -ENODEV; + } + + /* + * data structure init + */ + retval = ehci_init(hcd); + if (retval) { + dev_err(dev, "ehci_init failed %d\n", retval); + return retval; + } + + hcd->has_tt = 1; + ehci->sbrn = 0x20; + + retval = ehci_reset(ehci); + if (retval) { + dev_err(dev, "ehci_reset failed %d\n", retval); + return retval; + } + + return 0; +} + +static const struct hc_driver mv_ehci_hc_driver = { + .description = hcd_name, + .product_desc = "Marvell EHCI", + .hcd_priv_size = sizeof(struct ehci_hcd), + + /* + * generic hardware linkage + */ + .irq = ehci_irq, + .flags = HCD_MEMORY | HCD_USB2, + + /* + * basic lifecycle operations + */ + .reset = mv_ehci_reset, + .start = ehci_run, + .stop = ehci_stop, + .shutdown = ehci_shutdown, + + /* + * managing i/o requests and associated device resources + */ + .urb_enqueue = ehci_urb_enqueue, + .urb_dequeue = ehci_urb_dequeue, + .endpoint_disable = ehci_endpoint_disable, + .endpoint_reset = ehci_endpoint_reset, + .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, + + /* + * scheduling support + */ + .get_frame_number = ehci_get_frame, + + /* + * root hub support + */ + .hub_status_data = ehci_hub_status_data, + .hub_control = ehci_hub_control, + .bus_suspend = ehci_bus_suspend, + .bus_resume = ehci_bus_resume, +}; + +static int mv_ehci_probe(struct platform_device *pdev) +{ + struct mv_usb_platform_data *pdata = pdev->dev.platform_data; + struct usb_hcd *hcd; + struct ehci_hcd *ehci; + struct ehci_hcd_mv *ehci_mv; + struct resource *r; + int clk_i, retval = -ENODEV; + u32 offset; + size_t size; + + if (!pdata) { + dev_err(&pdev->dev, "missing platform_data\n"); + return -ENODEV; + } + + if (usb_disabled()) + return -ENODEV; + + hcd = usb_create_hcd(&mv_ehci_hc_driver, &pdev->dev, "mv ehci"); + if (!hcd) + return -ENOMEM; + + size = sizeof(*ehci_mv) + sizeof(struct clk *) * pdata->clknum; + ehci_mv = kzalloc(size, GFP_KERNEL); + if (ehci_mv == NULL) { + dev_err(&pdev->dev, "cannot allocate ehci_hcd_mv\n"); + retval = -ENOMEM; + goto err_put_hcd; + } + + platform_set_drvdata(pdev, ehci_mv); + ehci_mv->pdata = pdata; + ehci_mv->hcd = hcd; + + ehci_mv->clknum = pdata->clknum; + for (clk_i = 0; clk_i < ehci_mv->clknum; clk_i++) { + ehci_mv->clk[clk_i] = + clk_get(&pdev->dev, pdata->clkname[clk_i]); + if (IS_ERR(ehci_mv->clk[clk_i])) { + dev_err(&pdev->dev, "error get clck \"%s\"\n", + pdata->clkname[clk_i]); + retval = PTR_ERR(ehci_mv->clk[clk_i]); + goto err_put_clk; + } + } + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phyregs"); + if (r == NULL) { + dev_err(&pdev->dev, "no phy I/O memory resource defined\n"); + retval = -ENODEV; + goto err_put_clk; + } + + ehci_mv->phy_regs = ioremap(r->start, resource_size(r)); + if (ehci_mv->phy_regs == 0) { + dev_err(&pdev->dev, "failed to map phy I/O memory\n"); + retval = -EFAULT; + goto err_put_clk; + } + + r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "capregs"); + if (!r) { + dev_err(&pdev->dev, "no I/O memory resource defined\n"); + retval = -ENODEV; + goto err_iounmap_phyreg; + } + + ehci_mv->cap_regs = ioremap(r->start, resource_size(r)); + if (ehci_mv->cap_regs == NULL) { + dev_err(&pdev->dev, "failed to map I/O memory\n"); + retval = -EFAULT; + goto err_iounmap_phyreg; + } + + retval = mv_ehci_enable(ehci_mv); + if (retval) { + dev_err(&pdev->dev, "init phy error %d\n", retval); + goto err_iounmap_capreg; + } + + offset = readl(ehci_mv->cap_regs) & CAPLENGTH_MASK; + ehci_mv->op_regs = + (void __iomem *) ((unsigned long) ehci_mv->cap_regs + offset); + + hcd->rsrc_start = r->start; + hcd->rsrc_len = r->end - r->start + 1; + hcd->regs = ehci_mv->op_regs; + + hcd->irq = platform_get_irq(pdev, 0); + if (!hcd->irq) { + dev_err(&pdev->dev, "Cannot get irq."); + retval = -ENODEV; + goto err_disable_clk; + } + + ehci = hcd_to_ehci(hcd); + ehci->caps = (struct ehci_caps *) ehci_mv->cap_regs; + ehci->regs = (struct ehci_regs *) ehci_mv->op_regs; + ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); + + ehci_mv->mode = pdata->mode; + if (ehci_mv->mode == MV_USB_MODE_OTG) { +#ifdef CONFIG_USB_OTG_UTILS + ehci_mv->otg = otg_get_transceiver(); + if (!ehci_mv->otg) { + dev_err(&pdev->dev, + "unable to find transceiver\n"); + retval = -ENODEV; + goto err_disable_clk; + } + + retval = otg_set_host(ehci_mv->otg, &hcd->self); + if (retval < 0) { + dev_err(&pdev->dev, + "unable to register with transceiver\n"); + retval = -ENODEV; + goto err_put_transceiver; + } + /* otg will enable clock before use as host */ + mv_ehci_disable(ehci_mv); +#else + dev_info(&pdev->dev, "MV_USB_MODE_OTG " + "must have CONFIG_USB_OTG_UTILS enabled\n"); + goto err_disable_clk; +#endif + } else { + if (pdata->set_vbus) + pdata->set_vbus(1); + + retval = usb_add_hcd(hcd, hcd->irq, IRQF_SHARED); + if (retval) { + dev_err(&pdev->dev, + "failed to add hcd with err %d\n", retval); + goto err_set_vbus; + } + } + + if (pdata->private_init) + pdata->private_init(ehci_mv->op_regs, ehci_mv->phy_regs); + + dev_info(&pdev->dev, + "successful find EHCI device with regs 0x%p irq %d" + " working in %s mode\n", hcd->regs, hcd->irq, + ehci_mv->mode == MV_USB_MODE_OTG ? "OTG" : "Host"); + + return 0; + +err_set_vbus: + if (pdata->set_vbus) + pdata->set_vbus(0); +#ifdef CONFIG_USB_OTG_UTILS +err_put_transceiver: + if (ehci_mv->otg) + otg_put_transceiver(ehci_mv->otg); +#endif +err_disable_clk: + mv_ehci_disable(ehci_mv); +err_iounmap_capreg: + iounmap(ehci_mv->cap_regs); +err_iounmap_phyreg: + iounmap(ehci_mv->phy_regs); +err_put_clk: + for (clk_i--; clk_i >= 0; clk_i--) + clk_put(ehci_mv->clk[clk_i]); + platform_set_drvdata(pdev, NULL); + kfree(ehci_mv); +err_put_hcd: + usb_put_hcd(hcd); + + return retval; +} + +static int mv_ehci_remove(struct platform_device *pdev) +{ + struct ehci_hcd_mv *ehci_mv = platform_get_drvdata(pdev); + struct usb_hcd *hcd = ehci_mv->hcd; + int clk_i; + + if (hcd->rh_registered) + usb_remove_hcd(hcd); + + if (ehci_mv->otg) { + otg_set_host(ehci_mv->otg, NULL); + otg_put_transceiver(ehci_mv->otg); + } + + if (ehci_mv->mode == MV_USB_MODE_HOST) { + if (ehci_mv->pdata->set_vbus) + ehci_mv->pdata->set_vbus(0); + + mv_ehci_disable(ehci_mv); + } + + iounmap(ehci_mv->cap_regs); + iounmap(ehci_mv->phy_regs); + + for (clk_i = 0; clk_i < ehci_mv->clknum; clk_i++) + clk_put(ehci_mv->clk[clk_i]); + + platform_set_drvdata(pdev, NULL); + + kfree(ehci_mv); + usb_put_hcd(hcd); + + return 0; +} + +MODULE_ALIAS("mv-ehci"); + +static const struct platform_device_id ehci_id_table[] = { + {"pxa-u2oehci", PXA_U2OEHCI}, + {"pxa-sph", PXA_SPH}, + {"mmp3-hsic", MMP3_HSIC}, + {"mmp3-fsic", MMP3_FSIC}, + {}, +}; + +static void mv_ehci_shutdown(struct platform_device *pdev) +{ + struct ehci_hcd_mv *ehci_mv = platform_get_drvdata(pdev); + struct usb_hcd *hcd = ehci_mv->hcd; + + if (!hcd->rh_registered) + return; + + if (hcd->driver->shutdown) + hcd->driver->shutdown(hcd); +} + +static struct platform_driver ehci_mv_driver = { + .probe = mv_ehci_probe, + .remove = mv_ehci_remove, + .shutdown = mv_ehci_shutdown, + .driver = { + .name = "mv-ehci", + .bus = &platform_bus_type, + }, + .id_table = ehci_id_table, +}; diff --git a/drivers/usb/host/ehci-octeon.c b/drivers/usb/host/ehci-octeon.c index ba1f51361134..c0104882c72d 100644 --- a/drivers/usb/host/ehci-octeon.c +++ b/drivers/usb/host/ehci-octeon.c @@ -155,6 +155,8 @@ static int ehci_octeon_drv_probe(struct platform_device *pdev) /* cache this readonly data; minimize chip reads */ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); + ehci_reset(ehci); + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) { dev_dbg(&pdev->dev, "failed to add hcd with err %d\n", ret); diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index e39b0297bad1..bba9850f32f0 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -41,6 +41,7 @@ #include <linux/usb/ulpi.h> #include <plat/usb.h> #include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> /* EHCI Register Set */ #define EHCI_INSNREG04 (0xA0) @@ -190,11 +191,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) } } - ret = omap_usbhs_enable(dev); - if (ret) { - dev_err(dev, "failed to start usbhs with err %d\n", ret); - goto err_enable; - } + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); /* * An undocumented "feature" in the OMAP3 EHCI controller, @@ -228,6 +226,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) /* cache this readonly data; minimize chip reads */ omap_ehci->hcs_params = readl(&omap_ehci->caps->hcs_params); + ehci_reset(omap_ehci); + ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) { dev_err(dev, "failed to add hcd with err %d\n", ret); @@ -240,11 +240,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev) return 0; err_add_hcd: - omap_usbhs_disable(dev); - -err_enable: disable_put_regulator(pdata); - usb_put_hcd(hcd); + pm_runtime_put_sync(dev); err_io: iounmap(regs); @@ -266,10 +263,12 @@ static int ehci_hcd_omap_remove(struct platform_device *pdev) struct usb_hcd *hcd = dev_get_drvdata(dev); usb_remove_hcd(hcd); - omap_usbhs_disable(dev); disable_put_regulator(dev->platform_data); iounmap(hcd->regs); usb_put_hcd(hcd); + pm_runtime_put_sync(dev); + pm_runtime_disable(dev); + return 0; } diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c index a68a2a5c4b83..6c6a5a3b4ea7 100644 --- a/drivers/usb/host/ehci-orion.c +++ b/drivers/usb/host/ehci-orion.c @@ -172,7 +172,7 @@ static const struct hc_driver ehci_orion_hc_driver = { static void __init ehci_orion_conf_mbus_windows(struct usb_hcd *hcd, - struct mbus_dram_target_info *dram) + const struct mbus_dram_target_info *dram) { int i; @@ -182,7 +182,7 @@ ehci_orion_conf_mbus_windows(struct usb_hcd *hcd, } for (i = 0; i < dram->num_cs; i++) { - struct mbus_dram_window *cs = dram->cs + i; + const struct mbus_dram_window *cs = dram->cs + i; wrl(USB_WINDOW_CTRL(i), ((cs->size - 1) & 0xffff0000) | (cs->mbus_attr << 8) | @@ -194,6 +194,7 @@ ehci_orion_conf_mbus_windows(struct usb_hcd *hcd, static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) { struct orion_ehci_data *pd = pdev->dev.platform_data; + const struct mbus_dram_target_info *dram; struct resource *res; struct usb_hcd *hcd; struct ehci_hcd *ehci; @@ -259,8 +260,9 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev) /* * (Re-)program MBUS remapping windows if we are asked to. */ - if (pd != NULL && pd->dram != NULL) - ehci_orion_conf_mbus_windows(hcd, pd->dram); + dram = mv_mbus_dram_info(); + if (dram) + ehci_orion_conf_mbus_windows(hcd, dram); /* * setup Orion USB controller. diff --git a/drivers/usb/host/ehci-ps3.c b/drivers/usb/host/ehci-ps3.c index 2dc32da75cfc..a20e496eb479 100644 --- a/drivers/usb/host/ehci-ps3.c +++ b/drivers/usb/host/ehci-ps3.c @@ -21,6 +21,34 @@ #include <asm/firmware.h> #include <asm/ps3.h> +static void ps3_ehci_setup_insnreg(struct ehci_hcd *ehci) +{ + /* PS3 HC internal setup register offsets. */ + + enum ps3_ehci_hc_insnreg { + ps3_ehci_hc_insnreg01 = 0x084, + ps3_ehci_hc_insnreg02 = 0x088, + ps3_ehci_hc_insnreg03 = 0x08c, + }; + + /* PS3 EHCI HC errata fix 316 - The PS3 EHCI HC will reset its + * internal INSNREGXX setup regs back to the chip default values + * on Host Controller Reset (CMD_RESET) or Light Host Controller + * Reset (CMD_LRESET). The work-around for this is for the HC + * driver to re-initialise these regs when ever the HC is reset. + */ + + /* Set burst transfer counts to 256 out, 32 in. */ + + writel_be(0x01000020, (void __iomem *)ehci->regs + + ps3_ehci_hc_insnreg01); + + /* Enable burst transfer counts. */ + + writel_be(0x00000001, (void __iomem *)ehci->regs + + ps3_ehci_hc_insnreg03); +} + static int ps3_ehci_hc_reset(struct usb_hcd *hcd) { int result; @@ -49,6 +77,8 @@ static int ps3_ehci_hc_reset(struct usb_hcd *hcd) ehci_reset(ehci); + ps3_ehci_setup_insnreg(ehci); + return result; } diff --git a/drivers/usb/host/ehci-pxa168.c b/drivers/usb/host/ehci-pxa168.c index ac0c16e8f539..8d0e7a22e711 100644 --- a/drivers/usb/host/ehci-pxa168.c +++ b/drivers/usb/host/ehci-pxa168.c @@ -299,7 +299,7 @@ static int __devinit ehci_pxa168_drv_probe(struct platform_device *pdev) ehci = hcd_to_ehci(hcd); ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params); hcd->has_tt = 1; ehci->sbrn = 0x20; diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 4e4066c35a09..36ca5077cdf7 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -373,6 +373,17 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh) retry_xacterr: if ((token & QTD_STS_ACTIVE) == 0) { + /* Report Data Buffer Error: non-fatal but useful */ + if (token & QTD_STS_DBE) + ehci_dbg(ehci, + "detected DataBufferErr for urb %p ep%d%s len %d, qtd %p [qh %p]\n", + urb, + usb_endpoint_num(&urb->ep->desc), + usb_endpoint_dir_in(&urb->ep->desc) ? "in" : "out", + urb->transfer_buffer_length, + qtd, + qh); + /* on STALL, error, and short reads this urb must * complete and all its qtds must be recycled. */ @@ -647,7 +658,7 @@ qh_urb_transaction ( /* * data transfer stage: buffer setup */ - i = urb->num_sgs; + i = urb->num_mapped_sgs; if (len > 0 && i > 0) { sg = urb->sg; buf = sg_dma_address(sg); diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c index 024b65c4990d..293f7412992e 100644 --- a/drivers/usb/host/ehci-s5p.c +++ b/drivers/usb/host/ehci-s5p.c @@ -14,8 +14,6 @@ #include <linux/clk.h> #include <linux/platform_device.h> -#include <mach/regs-pmu.h> -#include <plat/cpu.h> #include <plat/ehci.h> #include <plat/usb-phy.h> @@ -136,6 +134,8 @@ static int __devinit s5p_ehci_probe(struct platform_device *pdev) /* cache this readonly data; minimize chip reads */ ehci->hcs_params = readl(&ehci->caps->hcs_params); + ehci_reset(ehci); + err = usb_add_hcd(hcd, irq, IRQF_SHARED); if (err) { dev_err(&pdev->dev, "Failed to add USB HCD\n"); diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 2e829fae6482..a60679cbbf85 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1475,30 +1475,36 @@ iso_stream_schedule ( * jump until after the queue is primed. */ else { + int done = 0; start = SCHEDULE_SLOP + (now & ~0x07); /* NOTE: assumes URB_ISO_ASAP, to limit complexity/bugs */ - /* find a uframe slot with enough bandwidth */ - next = start + period; - for (; start < next; start++) { - + /* find a uframe slot with enough bandwidth. + * Early uframes are more precious because full-speed + * iso IN transfers can't use late uframes, + * and therefore they should be allocated last. + */ + next = start; + start += period; + do { + start--; /* check schedule: enough space? */ if (stream->highspeed) { if (itd_slot_ok(ehci, mod, start, stream->usecs, period)) - break; + done = 1; } else { if ((start % 8) >= 6) continue; if (sitd_slot_ok(ehci, mod, stream, start, sched, period)) - break; + done = 1; } - } + } while (start > next && !done); /* no room in the schedule */ - if (start == next) { + if (!done) { ehci_dbg(ehci, "iso resched full %p (now %d max %d)\n", urb, now, now + mod); status = -ENOSPC; diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index db9d1b4bfbdc..dbc7fe8ca9e7 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -21,7 +21,12 @@ #include <linux/platform_data/tegra_usb.h> #include <linux/irq.h> #include <linux/usb/otg.h> +#include <linux/gpio.h> +#include <linux/of.h> +#include <linux/of_gpio.h> + #include <mach/usb_phy.h> +#include <mach/iomap.h> #define TEGRA_USB_DMA_ALIGN 32 @@ -574,6 +579,35 @@ static const struct hc_driver tegra_ehci_hc_driver = { .port_handed_over = ehci_port_handed_over, }; +static int setup_vbus_gpio(struct platform_device *pdev) +{ + int err = 0; + int gpio; + + if (!pdev->dev.of_node) + return 0; + + gpio = of_get_named_gpio(pdev->dev.of_node, "nvidia,vbus-gpio", 0); + if (!gpio_is_valid(gpio)) + return 0; + + err = gpio_request(gpio, "vbus_gpio"); + if (err) { + dev_err(&pdev->dev, "can't request vbus gpio %d", gpio); + return err; + } + err = gpio_direction_output(gpio, 1); + if (err) { + dev_err(&pdev->dev, "can't enable vbus\n"); + return err; + } + gpio_set_value(gpio, 1); + + return err; +} + +static u64 tegra_ehci_dma_mask = DMA_BIT_MASK(32); + static int tegra_ehci_probe(struct platform_device *pdev) { struct resource *res; @@ -590,6 +624,15 @@ static int tegra_ehci_probe(struct platform_device *pdev) return -EINVAL; } + /* Right now device-tree probed devices don't get dma_mask set. + * Since shared usb code relies on it, set it here for now. + * Once we have dma capability bindings this can go away. + */ + if (!pdev->dev.dma_mask) + pdev->dev.dma_mask = &tegra_ehci_dma_mask; + + setup_vbus_gpio(pdev); + tegra = kzalloc(sizeof(struct tegra_ehci_hcd), GFP_KERNEL); if (!tegra) return -ENOMEM; @@ -640,6 +683,28 @@ static int tegra_ehci_probe(struct platform_device *pdev) goto fail_io; } + /* This is pretty ugly and needs to be fixed when we do only + * device-tree probing. Old code relies on the platform_device + * numbering that we lack for device-tree-instantiated devices. + */ + if (instance < 0) { + switch (res->start) { + case TEGRA_USB_BASE: + instance = 0; + break; + case TEGRA_USB2_BASE: + instance = 1; + break; + case TEGRA_USB3_BASE: + instance = 2; + break; + default: + err = -ENODEV; + dev_err(&pdev->dev, "unknown usb instance\n"); + goto fail_phy; + } + } + tegra->phy = tegra_usb_phy_open(instance, hcd->regs, pdata->phy_config, TEGRA_USB_PHY_MODE_HOST); if (IS_ERR(tegra->phy)) { @@ -773,6 +838,11 @@ static void tegra_ehci_hcd_shutdown(struct platform_device *pdev) hcd->driver->shutdown(hcd); } +static struct of_device_id tegra_ehci_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra20-ehci", }, + { }, +}; + static struct platform_driver tegra_ehci_driver = { .probe = tegra_ehci_probe, .remove = tegra_ehci_remove, @@ -783,5 +853,6 @@ static struct platform_driver tegra_ehci_driver = { .shutdown = tegra_ehci_hcd_shutdown, .driver = { .name = "tegra-ehci", + .of_match_table = tegra_ehci_of_match, } }; diff --git a/drivers/usb/host/ehci-vt8500.c b/drivers/usb/host/ehci-vt8500.c index 54d1ab8aec49..c1eda73916cd 100644 --- a/drivers/usb/host/ehci-vt8500.c +++ b/drivers/usb/host/ehci-vt8500.c @@ -132,6 +132,8 @@ static int vt8500_ehci_drv_probe(struct platform_device *pdev) ehci_port_power(ehci, 1); + ehci_reset(ehci); + ret = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_SHARED); if (ret == 0) { diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c index d661cf7de140..3d2e26cbb34c 100644 --- a/drivers/usb/host/ehci-w90x900.c +++ b/drivers/usb/host/ehci-w90x900.c @@ -78,6 +78,8 @@ static int __devinit usb_w90x900_probe(const struct hc_driver *driver, if (irq < 0) goto err4; + ehci_reset(ehci); + retval = usb_add_hcd(hcd, irq, IRQF_SHARED); if (retval != 0) goto err4; diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c index fe74bd676018..72f08196f8cd 100644 --- a/drivers/usb/host/ehci-xls.c +++ b/drivers/usb/host/ehci-xls.c @@ -19,7 +19,7 @@ static int ehci_xls_setup(struct usb_hcd *hcd) ehci->caps = hcd->regs; ehci->regs = hcd->regs + - HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase)); + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase)); dbg_hcs_params(ehci, "reset"); dbg_hcc_params(ehci, "reset"); @@ -69,7 +69,7 @@ int ehci_xls_probe_internal(const struct hc_driver *driver, } hcd->rsrc_start = res->start; - hcd->rsrc_len = res->end - res->start + 1; + hcd->rsrc_len = resource_size(res); if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, driver->description)) { diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c index 4ed6d19f2a54..d2623747b489 100644 --- a/drivers/usb/host/fhci-hcd.c +++ b/drivers/usb/host/fhci-hcd.c @@ -824,17 +824,7 @@ static struct platform_driver of_fhci_driver = { .remove = __devexit_p(of_fhci_remove), }; -static int __init fhci_module_init(void) -{ - return platform_driver_register(&of_fhci_driver); -} -module_init(fhci_module_init); - -static void __exit fhci_module_exit(void) -{ - platform_driver_unregister(&of_fhci_driver); -} -module_exit(fhci_module_exit); +module_platform_driver(of_fhci_driver); MODULE_DESCRIPTION("USB Freescale Host Controller Interface Driver"); MODULE_AUTHOR("Shlomi Gridish <gridish@freescale.com>, " diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c index 9037035ad1e4..7916e56a725e 100644 --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -297,17 +297,7 @@ static struct platform_driver fsl_usb2_mph_dr_driver = { .remove = __devexit_p(fsl_usb2_mph_dr_of_remove), }; -static int __init fsl_usb2_mph_dr_init(void) -{ - return platform_driver_register(&fsl_usb2_mph_dr_driver); -} -module_init(fsl_usb2_mph_dr_init); - -static void __exit fsl_usb2_mph_dr_exit(void) -{ - platform_driver_unregister(&fsl_usb2_mph_dr_driver); -} -module_exit(fsl_usb2_mph_dr_exit); +module_platform_driver(fsl_usb2_mph_dr_driver); MODULE_DESCRIPTION("FSL MPH DR OF devices driver"); MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>"); diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c index 9bfac657572e..104730dabd2d 100644 --- a/drivers/usb/host/hwa-hc.c +++ b/drivers/usb/host/hwa-hc.c @@ -481,7 +481,7 @@ static int __hwahc_op_set_ptk(struct wusbhc *wusbhc, u8 port_idx, u32 tkid, encryption_value = 0; } - /* Set the encryption type for commmunicating with the device */ + /* Set the encryption type for communicating with the device */ result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0), USB_REQ_SET_ENCRYPTION, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, @@ -776,7 +776,6 @@ static int hwahc_probe(struct usb_interface *usb_iface, goto error_alloc; } usb_hcd->wireless = 1; - set_bit(HCD_FLAG_SAW_IRQ, &usb_hcd->flags); wusbhc = usb_hcd_to_wusbhc(usb_hcd); hwahc = container_of(wusbhc, struct hwahc, wusbhc); hwahc_init(hwahc); @@ -837,18 +836,7 @@ static struct usb_driver hwahc_driver = { .id_table = hwahc_id_table, }; -static int __init hwahc_driver_init(void) -{ - return usb_register(&hwahc_driver); -} -module_init(hwahc_driver_init); - -static void __exit hwahc_driver_exit(void) -{ - usb_deregister(&hwahc_driver); -} -module_exit(hwahc_driver_exit); - +module_usb_driver(hwahc_driver); MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>"); MODULE_DESCRIPTION("Host Wired Adapter USB Host Control Driver"); diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c index 2ee18cfa1efe..ff471c1c165e 100644 --- a/drivers/usb/host/imx21-hcd.c +++ b/drivers/usb/host/imx21-hcd.c @@ -473,7 +473,7 @@ static void free_epdmem(struct imx21 *imx21, struct usb_host_endpoint *ep) /* End handling */ /* =========================================== */ -/* Endpoint now idle - release it's ETD(s) or asssign to queued request */ +/* Endpoint now idle - release its ETD(s) or assign to queued request */ static void ep_idle(struct imx21 *imx21, struct ep_priv *ep_priv) { int i; @@ -1924,18 +1924,7 @@ static struct platform_driver imx21_hcd_driver = { .resume = NULL, }; -static int __init imx21_hcd_init(void) -{ - return platform_driver_register(&imx21_hcd_driver); -} - -static void __exit imx21_hcd_cleanup(void) -{ - platform_driver_unregister(&imx21_hcd_driver); -} - -module_init(imx21_hcd_init); -module_exit(imx21_hcd_cleanup); +module_platform_driver(imx21_hcd_driver); MODULE_DESCRIPTION("i.MX21 USB Host controller"); MODULE_AUTHOR("Martin Fuzzey"); diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c index 27dfab80ed8f..fc72d44bf787 100644 --- a/drivers/usb/host/isp1760-hcd.c +++ b/drivers/usb/host/isp1760-hcd.c @@ -32,6 +32,13 @@ static struct kmem_cache *qtd_cachep; static struct kmem_cache *qh_cachep; static struct kmem_cache *urb_listitem_cachep; +enum queue_head_types { + QH_CONTROL, + QH_BULK, + QH_INTERRUPT, + QH_END +}; + struct isp1760_hcd { u32 hcs_params; spinlock_t lock; @@ -40,7 +47,7 @@ struct isp1760_hcd { struct slotinfo int_slots[32]; int int_done_map; struct memory_chunk memory_pool[BLOCKS]; - struct list_head controlqhs, bulkqhs, interruptqhs; + struct list_head qh_list[QH_END]; /* periodic schedule support */ #define DEFAULT_I_TDPS 1024 @@ -406,12 +413,12 @@ static int priv_init(struct usb_hcd *hcd) { struct isp1760_hcd *priv = hcd_to_priv(hcd); u32 hcc_params; + int i; spin_lock_init(&priv->lock); - INIT_LIST_HEAD(&priv->interruptqhs); - INIT_LIST_HEAD(&priv->controlqhs); - INIT_LIST_HEAD(&priv->bulkqhs); + for (i = 0; i < QH_END; i++) + INIT_LIST_HEAD(&priv->qh_list[i]); /* * hw default: 1K periodic list heads, one per frame. @@ -930,9 +937,9 @@ void schedule_ptds(struct usb_hcd *hcd) struct isp1760_hcd *priv; struct isp1760_qh *qh, *qh_next; struct list_head *ep_queue; - struct usb_host_endpoint *ep; LIST_HEAD(urb_list); struct urb_listitem *urb_listitem, *urb_listitem_next; + int i; if (!hcd) { WARN_ON(1); @@ -944,28 +951,13 @@ void schedule_ptds(struct usb_hcd *hcd) /* * check finished/retired xfers, transfer payloads, call urb_done() */ - ep_queue = &priv->interruptqhs; - while (ep_queue) { + for (i = 0; i < QH_END; i++) { + ep_queue = &priv->qh_list[i]; list_for_each_entry_safe(qh, qh_next, ep_queue, qh_list) { - ep = list_entry(qh->qtd_list.next, struct isp1760_qtd, - qtd_list)->urb->ep; collect_qtds(hcd, qh, &urb_list); - if (list_empty(&qh->qtd_list)) { + if (list_empty(&qh->qtd_list)) list_del(&qh->qh_list); - if (ep->hcpriv == NULL) { - /* Endpoint has been disabled, so we - can free the associated queue head. */ - qh_free(qh); - } - } } - - if (ep_queue == &priv->interruptqhs) - ep_queue = &priv->controlqhs; - else if (ep_queue == &priv->controlqhs) - ep_queue = &priv->bulkqhs; - else - ep_queue = NULL; } list_for_each_entry_safe(urb_listitem, urb_listitem_next, &urb_list, @@ -998,17 +990,10 @@ void schedule_ptds(struct usb_hcd *hcd) * * I'm sure this scheme could be improved upon! */ - ep_queue = &priv->controlqhs; - while (ep_queue) { + for (i = 0; i < QH_END; i++) { + ep_queue = &priv->qh_list[i]; list_for_each_entry_safe(qh, qh_next, ep_queue, qh_list) enqueue_qtds(hcd, qh); - - if (ep_queue == &priv->controlqhs) - ep_queue = &priv->interruptqhs; - else if (ep_queue == &priv->interruptqhs) - ep_queue = &priv->bulkqhs; - else - ep_queue = NULL; } } @@ -1543,16 +1528,16 @@ static int isp1760_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, switch (usb_pipetype(urb->pipe)) { case PIPE_CONTROL: - ep_queue = &priv->controlqhs; + ep_queue = &priv->qh_list[QH_CONTROL]; break; case PIPE_BULK: - ep_queue = &priv->bulkqhs; + ep_queue = &priv->qh_list[QH_BULK]; break; case PIPE_INTERRUPT: if (urb->interval < 0) return -EINVAL; /* FIXME: Check bandwidth */ - ep_queue = &priv->interruptqhs; + ep_queue = &priv->qh_list[QH_INTERRUPT]; break; case PIPE_ISOCHRONOUS: dev_err(hcd->self.controller, "%s: isochronous USB packets " @@ -1714,8 +1699,8 @@ static void isp1760_endpoint_disable(struct usb_hcd *hcd, { struct isp1760_hcd *priv = hcd_to_priv(hcd); unsigned long spinflags; - struct isp1760_qh *qh; - struct isp1760_qtd *qtd; + struct isp1760_qh *qh, *qh_iter; + int i; spin_lock_irqsave(&priv->lock, spinflags); @@ -1723,14 +1708,17 @@ static void isp1760_endpoint_disable(struct usb_hcd *hcd, if (!qh) goto out; - list_for_each_entry(qtd, &qh->qtd_list, qtd_list) - if (qtd->status != QTD_RETIRE) { - dequeue_urb_from_qtd(hcd, qh, qtd); - qtd->urb->status = -ECONNRESET; - } + WARN_ON(!list_empty(&qh->qtd_list)); + for (i = 0; i < QH_END; i++) + list_for_each_entry(qh_iter, &priv->qh_list[i], qh_list) + if (qh_iter == qh) { + list_del(&qh_iter->qh_list); + i = QH_END; + break; + } + qh_free(qh); ep->hcpriv = NULL; - /* Cannot free qh here since it will be parsed by schedule_ptds() */ schedule_ptds(hcd); diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c index a7dc1e1d45f2..4592dc17a9f9 100644 --- a/drivers/usb/host/isp1760-if.c +++ b/drivers/usb/host/isp1760-if.c @@ -18,7 +18,7 @@ #include "isp1760-hcd.h" -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ) #include <linux/slab.h> #include <linux/of.h> #include <linux/of_platform.h> @@ -31,7 +31,7 @@ #include <linux/pci.h> #endif -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ) struct isp1760 { struct usb_hcd *hcd; int rst_gpio; @@ -47,23 +47,27 @@ static int of_isp1760_probe(struct platform_device *dev) int virq; resource_size_t res_len; int ret; - const unsigned int *prop; unsigned int devflags = 0; enum of_gpio_flags gpio_flags; + u32 bus_width = 0; drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL); if (!drvdata) return -ENOMEM; ret = of_address_to_resource(dp, 0, &memory); - if (ret) - return -ENXIO; + if (ret) { + ret = -ENXIO; + goto free_data; + } res_len = resource_size(&memory); res = request_mem_region(memory.start, res_len, dev_name(&dev->dev)); - if (!res) - return -EBUSY; + if (!res) { + ret = -EBUSY; + goto free_data; + } if (of_irq_map_one(dp, 0, &oirq)) { ret = -ENODEV; @@ -77,8 +81,8 @@ static int of_isp1760_probe(struct platform_device *dev) devflags |= ISP1760_FLAG_ISP1761; /* Some systems wire up only 16 of the 32 data lines */ - prop = of_get_property(dp, "bus-width", NULL); - if (prop && *prop == 16) + of_property_read_u32(dp, "bus-width", &bus_width); + if (bus_width == 16) devflags |= ISP1760_FLAG_BUS_WIDTH_16; if (of_get_property(dp, "port1-otg", NULL) != NULL) @@ -125,6 +129,7 @@ free_gpio: gpio_free(drvdata->rst_gpio); release_reg: release_mem_region(memory.start, res_len); +free_data: kfree(drvdata); return ret; } @@ -437,7 +442,7 @@ static int __init isp1760_init(void) ret = platform_driver_register(&isp1760_plat_driver); if (!ret) any_ret = 0; -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ) ret = platform_driver_register(&isp1760_of_driver); if (!ret) any_ret = 0; @@ -457,7 +462,7 @@ module_init(isp1760_init); static void __exit isp1760_exit(void) { platform_driver_unregister(&isp1760_plat_driver); -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && defined(CONFIG_OF_IRQ) platform_driver_unregister(&isp1760_of_driver); #endif #ifdef CONFIG_PCI diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index ba3a46b78b75..5df0b0e3392b 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -223,6 +223,9 @@ static void ohci_at91_usb_set_power(struct at91_usbh_data *pdata, int port, int if (port < 0 || port >= 2) return; + if (!gpio_is_valid(pdata->vbus_pin[port])) + return; + gpio_set_value(pdata->vbus_pin[port], !pdata->vbus_pin_inverted ^ enable); } @@ -231,6 +234,9 @@ static int ohci_at91_usb_get_power(struct at91_usbh_data *pdata, int port) if (port < 0 || port >= 2) return -EINVAL; + if (!gpio_is_valid(pdata->vbus_pin[port])) + return -EINVAL; + return gpio_get_value(pdata->vbus_pin[port]) ^ !pdata->vbus_pin_inverted; } @@ -459,7 +465,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) if (pdata) { for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) { - if (pdata->vbus_pin[i] <= 0) + if (!gpio_is_valid(pdata->vbus_pin[i])) continue; gpio_request(pdata->vbus_pin[i], "ohci_vbus"); ohci_at91_usb_set_power(pdata, i, 1); @@ -468,7 +474,7 @@ static int ohci_hcd_at91_drv_probe(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(pdata->overcurrent_pin); i++) { int ret; - if (pdata->overcurrent_pin[i] <= 0) + if (!gpio_is_valid(pdata->overcurrent_pin[i])) continue; gpio_request(pdata->overcurrent_pin[i], "ohci_overcurrent"); @@ -493,14 +499,14 @@ static int ohci_hcd_at91_drv_remove(struct platform_device *pdev) if (pdata) { for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) { - if (pdata->vbus_pin[i] <= 0) + if (!gpio_is_valid(pdata->vbus_pin[i])) continue; ohci_at91_usb_set_power(pdata, i, 0); gpio_free(pdata->vbus_pin[i]); } for (i = 0; i < ARRAY_SIZE(pdata->overcurrent_pin); i++) { - if (pdata->overcurrent_pin[i] <= 0) + if (!gpio_is_valid(pdata->overcurrent_pin[i])) continue; free_irq(gpio_to_irq(pdata->overcurrent_pin[i]), pdev); gpio_free(pdata->overcurrent_pin[i]); diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c index 9b66df8278f3..4ea63b2cac42 100644 --- a/drivers/usb/host/ohci-au1xxx.c +++ b/drivers/usb/host/ohci-au1xxx.c @@ -89,7 +89,7 @@ static const struct hc_driver ohci_au1xxx_hc_driver = { static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev) { - int ret; + int ret, unit; struct usb_hcd *hcd; if (usb_disabled()) @@ -120,7 +120,9 @@ static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev) goto err2; } - if (alchemy_usb_control(ALCHEMY_USB_OHCI0, 1)) { + unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ? + ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; + if (alchemy_usb_control(unit, 1)) { printk(KERN_INFO "%s: controller init failed!\n", pdev->name); ret = -ENODEV; goto err3; @@ -135,7 +137,7 @@ static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev) return ret; } - alchemy_usb_control(ALCHEMY_USB_OHCI0, 0); + alchemy_usb_control(unit, 0); err3: iounmap(hcd->regs); err2: @@ -148,9 +150,12 @@ err1: static int ohci_hcd_au1xxx_drv_remove(struct platform_device *pdev) { struct usb_hcd *hcd = platform_get_drvdata(pdev); + int unit; + unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ? + ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0; usb_remove_hcd(hcd); - alchemy_usb_control(ALCHEMY_USB_OHCI0, 0); + alchemy_usb_control(unit, 0); iounmap(hcd->regs); release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); @@ -173,12 +178,9 @@ static int ohci_hcd_au1xxx_drv_suspend(struct device *dev) * mark HW unaccessible, bail out if RH has been resumed. Use * the spinlock to properly synchronize with possible pending * RH suspend or resume activity. - * - * This is still racy as hcd->state is manipulated outside of - * any locks =P But that will be a different fix. */ spin_lock_irqsave(&ohci->lock, flags); - if (hcd->state != HC_STATE_SUSPENDED) { + if (ohci->rh_state != OHCI_RH_SUSPENDED) { rc = -EINVAL; goto bail; } diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c index d7d34492934a..5179fcd73d8a 100644 --- a/drivers/usb/host/ohci-dbg.c +++ b/drivers/usb/host/ohci-dbg.c @@ -127,6 +127,19 @@ static char *hcfs2string (int state) return "?"; } +static const char *rh_state_string(struct ohci_hcd *ohci) +{ + switch (ohci->rh_state) { + case OHCI_RH_HALTED: + return "halted"; + case OHCI_RH_SUSPENDED: + return "suspended"; + case OHCI_RH_RUNNING: + return "running"; + } + return "?"; +} + // dump control and status registers static void ohci_dump_status (struct ohci_hcd *controller, char **next, unsigned *size) @@ -136,9 +149,10 @@ ohci_dump_status (struct ohci_hcd *controller, char **next, unsigned *size) temp = ohci_readl (controller, ®s->revision) & 0xff; ohci_dbg_sw (controller, next, size, - "OHCI %d.%d, %s legacy support registers\n", + "OHCI %d.%d, %s legacy support registers, rh state %s\n", 0x03 & (temp >> 4), (temp & 0x0f), - (temp & 0x0100) ? "with" : "NO"); + (temp & 0x0100) ? "with" : "NO", + rh_state_string(controller)); temp = ohci_readl (controller, ®s->control); ohci_dbg_sw (controller, next, size, diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c index dc45d489d00e..3d63574d2c7e 100644 --- a/drivers/usb/host/ohci-ep93xx.c +++ b/drivers/usb/host/ohci-ep93xx.c @@ -179,8 +179,6 @@ static int ohci_hcd_ep93xx_drv_suspend(struct platform_device *pdev, pm_message_ ohci->next_statechange = jiffies; ep93xx_stop_hc(&pdev->dev); - hcd->state = HC_STATE_SUSPENDED; - return 0; } diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c new file mode 100644 index 000000000000..55aa35aa3d7b --- /dev/null +++ b/drivers/usb/host/ohci-exynos.c @@ -0,0 +1,274 @@ +/* + * SAMSUNG EXYNOS USB HOST OHCI Controller + * + * Copyright (C) 2011 Samsung Electronics Co.Ltd + * Author: Jingoo Han <jg1.han@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/clk.h> +#include <linux/platform_device.h> +#include <mach/ohci.h> +#include <plat/usb-phy.h> + +struct exynos_ohci_hcd { + struct device *dev; + struct usb_hcd *hcd; + struct clk *clk; +}; + +static int ohci_exynos_start(struct usb_hcd *hcd) +{ + struct ohci_hcd *ohci = hcd_to_ohci(hcd); + int ret; + + ohci_dbg(ohci, "ohci_exynos_start, ohci:%p", ohci); + + ret = ohci_init(ohci); + if (ret < 0) + return ret; + + ret = ohci_run(ohci); + if (ret < 0) { + err("can't start %s", hcd->self.bus_name); + ohci_stop(hcd); + return ret; + } + + return 0; +} + +static const struct hc_driver exynos_ohci_hc_driver = { + .description = hcd_name, + .product_desc = "EXYNOS OHCI Host Controller", + .hcd_priv_size = sizeof(struct ohci_hcd), + + .irq = ohci_irq, + .flags = HCD_MEMORY|HCD_USB11, + + .start = ohci_exynos_start, + .stop = ohci_stop, + .shutdown = ohci_shutdown, + + .get_frame_number = ohci_get_frame, + + .urb_enqueue = ohci_urb_enqueue, + .urb_dequeue = ohci_urb_dequeue, + .endpoint_disable = ohci_endpoint_disable, + + .hub_status_data = ohci_hub_status_data, + .hub_control = ohci_hub_control, +#ifdef CONFIG_PM + .bus_suspend = ohci_bus_suspend, + .bus_resume = ohci_bus_resume, +#endif + .start_port_reset = ohci_start_port_reset, +}; + +static int __devinit exynos_ohci_probe(struct platform_device *pdev) +{ + struct exynos4_ohci_platdata *pdata; + struct exynos_ohci_hcd *exynos_ohci; + struct usb_hcd *hcd; + struct ohci_hcd *ohci; + struct resource *res; + int irq; + int err; + + pdata = pdev->dev.platform_data; + if (!pdata) { + dev_err(&pdev->dev, "No platform data defined\n"); + return -EINVAL; + } + + exynos_ohci = kzalloc(sizeof(struct exynos_ohci_hcd), GFP_KERNEL); + if (!exynos_ohci) + return -ENOMEM; + + exynos_ohci->dev = &pdev->dev; + + hcd = usb_create_hcd(&exynos_ohci_hc_driver, &pdev->dev, + dev_name(&pdev->dev)); + if (!hcd) { + dev_err(&pdev->dev, "Unable to create HCD\n"); + err = -ENOMEM; + goto fail_hcd; + } + + exynos_ohci->hcd = hcd; + exynos_ohci->clk = clk_get(&pdev->dev, "usbhost"); + + if (IS_ERR(exynos_ohci->clk)) { + dev_err(&pdev->dev, "Failed to get usbhost clock\n"); + err = PTR_ERR(exynos_ohci->clk); + goto fail_clk; + } + + err = clk_enable(exynos_ohci->clk); + if (err) + goto fail_clken; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "Failed to get I/O memory\n"); + err = -ENXIO; + goto fail_io; + } + + hcd->rsrc_start = res->start; + hcd->rsrc_len = resource_size(res); + hcd->regs = ioremap(res->start, resource_size(res)); + if (!hcd->regs) { + dev_err(&pdev->dev, "Failed to remap I/O memory\n"); + err = -ENOMEM; + goto fail_io; + } + + irq = platform_get_irq(pdev, 0); + if (!irq) { + dev_err(&pdev->dev, "Failed to get IRQ\n"); + err = -ENODEV; + goto fail; + } + + if (pdata->phy_init) + pdata->phy_init(pdev, S5P_USB_PHY_HOST); + + ohci = hcd_to_ohci(hcd); + ohci_hcd_init(ohci); + + err = usb_add_hcd(hcd, irq, IRQF_SHARED); + if (err) { + dev_err(&pdev->dev, "Failed to add USB HCD\n"); + goto fail; + } + + platform_set_drvdata(pdev, exynos_ohci); + + return 0; + +fail: + iounmap(hcd->regs); +fail_io: + clk_disable(exynos_ohci->clk); +fail_clken: + clk_put(exynos_ohci->clk); +fail_clk: + usb_put_hcd(hcd); +fail_hcd: + kfree(exynos_ohci); + return err; +} + +static int __devexit exynos_ohci_remove(struct platform_device *pdev) +{ + struct exynos4_ohci_platdata *pdata = pdev->dev.platform_data; + struct exynos_ohci_hcd *exynos_ohci = platform_get_drvdata(pdev); + struct usb_hcd *hcd = exynos_ohci->hcd; + + usb_remove_hcd(hcd); + + if (pdata && pdata->phy_exit) + pdata->phy_exit(pdev, S5P_USB_PHY_HOST); + + iounmap(hcd->regs); + + clk_disable(exynos_ohci->clk); + clk_put(exynos_ohci->clk); + + usb_put_hcd(hcd); + kfree(exynos_ohci); + + return 0; +} + +static void exynos_ohci_shutdown(struct platform_device *pdev) +{ + struct exynos_ohci_hcd *exynos_ohci = platform_get_drvdata(pdev); + struct usb_hcd *hcd = exynos_ohci->hcd; + + if (hcd->driver->shutdown) + hcd->driver->shutdown(hcd); +} + +#ifdef CONFIG_PM +static int exynos_ohci_suspend(struct device *dev) +{ + struct exynos_ohci_hcd *exynos_ohci = dev_get_drvdata(dev); + struct usb_hcd *hcd = exynos_ohci->hcd; + struct ohci_hcd *ohci = hcd_to_ohci(hcd); + struct platform_device *pdev = to_platform_device(dev); + struct exynos4_ohci_platdata *pdata = pdev->dev.platform_data; + unsigned long flags; + int rc = 0; + + /* + * Root hub was already suspended. Disable irq emission and + * mark HW unaccessible, bail out if RH has been resumed. Use + * the spinlock to properly synchronize with possible pending + * RH suspend or resume activity. + * + * This is still racy as hcd->state is manipulated outside of + * any locks =P But that will be a different fix. + */ + spin_lock_irqsave(&ohci->lock, flags); + if (hcd->state != HC_STATE_SUSPENDED && hcd->state != HC_STATE_HALT) { + rc = -EINVAL; + goto fail; + } + + clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + + if (pdata && pdata->phy_exit) + pdata->phy_exit(pdev, S5P_USB_PHY_HOST); +fail: + spin_unlock_irqrestore(&ohci->lock, flags); + + return rc; +} + +static int exynos_ohci_resume(struct device *dev) +{ + struct exynos_ohci_hcd *exynos_ohci = dev_get_drvdata(dev); + struct usb_hcd *hcd = exynos_ohci->hcd; + struct platform_device *pdev = to_platform_device(dev); + struct exynos4_ohci_platdata *pdata = pdev->dev.platform_data; + + if (pdata && pdata->phy_init) + pdata->phy_init(pdev, S5P_USB_PHY_HOST); + + /* Mark hardware accessible again as we are out of D3 state by now */ + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + + ohci_finish_controller_resume(hcd); + + return 0; +} +#else +#define exynos_ohci_suspend NULL +#define exynos_ohci_resume NULL +#endif + +static const struct dev_pm_ops exynos_ohci_pm_ops = { + .suspend = exynos_ohci_suspend, + .resume = exynos_ohci_resume, +}; + +static struct platform_driver exynos_ohci_driver = { + .probe = exynos_ohci_probe, + .remove = __devexit_p(exynos_ohci_remove), + .shutdown = exynos_ohci_shutdown, + .driver = { + .name = "exynos-ohci", + .owner = THIS_MODULE, + .pm = &exynos_ohci_pm_ops, + } +}; + +MODULE_ALIAS("platform:exynos-ohci"); +MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>"); diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 34efd479e068..34b9edd86651 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -115,13 +115,13 @@ static inline void sb800_prefetch(struct ohci_hcd *ohci, int on) /* Some boards misreport power switching/overcurrent */ -static int distrust_firmware = 1; +static bool distrust_firmware = 1; module_param (distrust_firmware, bool, 0); MODULE_PARM_DESC (distrust_firmware, "true to distrust firmware power/overcurrent setup"); /* Some boards leave IR set wrongly, since they fail BIOS/SMM handshakes */ -static int no_handshake = 0; +static bool no_handshake = 0; module_param (no_handshake, bool, 0); MODULE_PARM_DESC (no_handshake, "true (not default) disables BIOS handshake"); @@ -209,7 +209,7 @@ static int ohci_urb_enqueue ( retval = -ENODEV; goto fail; } - if (!HC_IS_RUNNING(hcd->state)) { + if (ohci->rh_state != OHCI_RH_RUNNING) { retval = -ENODEV; goto fail; } @@ -274,7 +274,7 @@ static int ohci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) rc = usb_hcd_check_unlink_urb(hcd, urb, status); if (rc) { ; /* Do nothing */ - } else if (HC_IS_RUNNING(hcd->state)) { + } else if (ohci->rh_state == OHCI_RH_RUNNING) { urb_priv_t *urb_priv; /* Unless an IRQ completed the unlink while it was being @@ -321,7 +321,7 @@ ohci_endpoint_disable (struct usb_hcd *hcd, struct usb_host_endpoint *ep) rescan: spin_lock_irqsave (&ohci->lock, flags); - if (!HC_IS_RUNNING (hcd->state)) { + if (ohci->rh_state != OHCI_RH_RUNNING) { sanitize: ed->state = ED_IDLE; if (quirk_zfmicro(ohci) && ed->type == PIPE_INTERRUPT) @@ -377,6 +377,7 @@ static void ohci_usb_reset (struct ohci_hcd *ohci) ohci->hc_control = ohci_readl (ohci, &ohci->regs->control); ohci->hc_control &= OHCI_CTRL_RWC; ohci_writel (ohci, ohci->hc_control, &ohci->regs->control); + ohci->rh_state = OHCI_RH_HALTED; } /* ohci_shutdown forcibly disables IRQs and DMA, helping kexec and @@ -389,17 +390,14 @@ ohci_shutdown (struct usb_hcd *hcd) struct ohci_hcd *ohci; ohci = hcd_to_ohci (hcd); - ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable); - ohci->hc_control = ohci_readl(ohci, &ohci->regs->control); + ohci_writel(ohci, (u32) ~0, &ohci->regs->intrdisable); - /* If the SHUTDOWN quirk is set, don't put the controller in RESET */ - ohci->hc_control &= (ohci->flags & OHCI_QUIRK_SHUTDOWN ? - OHCI_CTRL_RWC | OHCI_CTRL_HCFS : - OHCI_CTRL_RWC); - ohci_writel(ohci, ohci->hc_control, &ohci->regs->control); + /* Software reset, after which the controller goes into SUSPEND */ + ohci_writel(ohci, OHCI_HCR, &ohci->regs->cmdstatus); + ohci_readl(ohci, &ohci->regs->cmdstatus); /* flush the writes */ + udelay(10); - /* flush the writes */ - (void) ohci_readl (ohci, &ohci->regs->control); + ohci_writel(ohci, ohci->fminterval, &ohci->regs->fminterval); } static int check_ed(struct ohci_hcd *ohci, struct ed *ed) @@ -503,7 +501,7 @@ static int ohci_init (struct ohci_hcd *ohci) if (distrust_firmware) ohci->flags |= OHCI_QUIRK_HUB_POWER; - disable (ohci); + ohci->rh_state = OHCI_RH_HALTED; ohci->regs = hcd->regs; /* REVISIT this BIOS handshake is now moved into PCI "quirks", and @@ -578,7 +576,7 @@ static int ohci_run (struct ohci_hcd *ohci) int first = ohci->fminterval == 0; struct usb_hcd *hcd = ohci_to_hcd(ohci); - disable (ohci); + ohci->rh_state = OHCI_RH_HALTED; /* boot firmware should have set this up (5.1.1.3.1) */ if (first) { @@ -691,7 +689,7 @@ retry: ohci->hc_control &= OHCI_CTRL_RWC; ohci->hc_control |= OHCI_CONTROL_INIT | OHCI_USB_OPER; ohci_writel (ohci, ohci->hc_control, &ohci->regs->control); - hcd->state = HC_STATE_RUNNING; + ohci->rh_state = OHCI_RH_RUNNING; /* wake on ConnectStatusChange, matching external hubs */ ohci_writel (ohci, RH_HS_DRWE, &ohci->regs->roothub.status); @@ -728,7 +726,6 @@ retry: // POTPGT delay is bits 24-31, in 2 ms units. mdelay ((val >> 23) & 0x1fe); - hcd->state = HC_STATE_RUNNING; if (quirk_zfmicro(ohci)) { /* Create timer to watch for bad queue state on ZF Micro */ @@ -764,7 +761,7 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) * of dead, unclocked, or unplugged (CardBus...) devices */ if (ints == ~(u32)0) { - disable (ohci); + ohci->rh_state = OHCI_RH_HALTED; ohci_dbg (ohci, "device removed!\n"); usb_hc_died(hcd); return IRQ_HANDLED; @@ -774,7 +771,7 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) ints &= ohci_readl(ohci, ®s->intrenable); /* interrupt for some other device? */ - if (ints == 0 || unlikely(hcd->state == HC_STATE_HALT)) + if (ints == 0 || unlikely(ohci->rh_state == OHCI_RH_HALTED)) return IRQ_NOTMINE; if (ints & OHCI_INTR_UE) { @@ -789,8 +786,8 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) schedule_work (&ohci->nec_work); } else { - disable (ohci); ohci_err (ohci, "OHCI Unrecoverable Error, disabled\n"); + ohci->rh_state = OHCI_RH_HALTED; usb_hc_died(hcd); } @@ -874,11 +871,11 @@ static irqreturn_t ohci_irq (struct usb_hcd *hcd) if ((ints & OHCI_INTR_SF) != 0 && !ohci->ed_rm_list && !ohci->ed_to_check - && HC_IS_RUNNING(hcd->state)) + && ohci->rh_state == OHCI_RH_RUNNING) ohci_writel (ohci, OHCI_INTR_SF, ®s->intrdisable); spin_unlock (&ohci->lock); - if (HC_IS_RUNNING(hcd->state)) { + if (ohci->rh_state == OHCI_RH_RUNNING) { ohci_writel (ohci, ints, ®s->intrstatus); ohci_writel (ohci, OHCI_INTR_MIE, ®s->intrenable); // flush those writes @@ -932,7 +929,7 @@ static int ohci_restart (struct ohci_hcd *ohci) struct urb_priv *priv; spin_lock_irq(&ohci->lock); - disable (ohci); + ohci->rh_state = OHCI_RH_HALTED; /* Recycle any "live" eds/tds (and urbs). */ if (!list_empty (&ohci->pending)) @@ -1008,6 +1005,11 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_s3c2410_driver #endif +#ifdef CONFIG_USB_OHCI_EXYNOS +#include "ohci-exynos.c" +#define PLATFORM_DRIVER exynos_ohci_driver +#endif + #ifdef CONFIG_USB_OHCI_HCD_OMAP1 #include "ohci-omap.c" #define OMAP1_PLATFORM_DRIVER ohci_hcd_omap_driver @@ -1114,7 +1116,7 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ohci_hcd_ath79_driver #endif -#ifdef CONFIG_NLM_XLR +#ifdef CONFIG_CPU_XLR #include "ohci-xls.c" #define PLATFORM_DRIVER ohci_xls_driver #endif diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c index 2f00040fc408..836772dfabd3 100644 --- a/drivers/usb/host/ohci-hub.c +++ b/drivers/usb/host/ohci-hub.c @@ -111,6 +111,7 @@ __acquires(ohci->lock) if (!autostop) { ohci->next_statechange = jiffies + msecs_to_jiffies (5); ohci->autostop = 0; + ohci->rh_state = OHCI_RH_SUSPENDED; } done: @@ -140,7 +141,7 @@ __acquires(ohci->lock) if (ohci->hc_control & (OHCI_CTRL_IR | OHCI_SCHED_ENABLES)) { /* this can happen after resuming a swsusp snapshot */ - if (hcd->state == HC_STATE_RESUMING) { + if (ohci->rh_state != OHCI_RH_RUNNING) { ohci_dbg (ohci, "BIOS/SMM active, control %03x\n", ohci->hc_control); status = -EBUSY; @@ -274,6 +275,7 @@ skip_resume: (void) ohci_readl (ohci, &ohci->regs->control); } + ohci->rh_state = OHCI_RH_RUNNING; return 0; } @@ -336,11 +338,8 @@ static void ohci_finish_controller_resume(struct usb_hcd *hcd) /* If needed, reinitialize and suspend the root hub */ if (need_reinit) { spin_lock_irq(&ohci->lock); - hcd->state = HC_STATE_RESUMING; ohci_rh_resume(ohci); - hcd->state = HC_STATE_QUIESCING; ohci_rh_suspend(ohci, 0); - hcd->state = HC_STATE_SUSPENDED; spin_unlock_irq(&ohci->lock); } diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index e4b8782cc6e2..db3968656d21 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -516,7 +516,6 @@ static int ohci_omap_suspend(struct platform_device *dev, pm_message_t message) ohci->next_statechange = jiffies; omap_ohci_clock_power(0); - ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED; return 0; } diff --git a/drivers/usb/host/ohci-omap3.c b/drivers/usb/host/ohci-omap3.c index 516ebc4d6cc2..1b8133b6e451 100644 --- a/drivers/usb/host/ohci-omap3.c +++ b/drivers/usb/host/ohci-omap3.c @@ -31,6 +31,7 @@ #include <linux/platform_device.h> #include <plat/usb.h> +#include <linux/pm_runtime.h> /*-------------------------------------------------------------------------*/ @@ -134,7 +135,7 @@ static int __devinit ohci_hcd_omap3_probe(struct platform_device *pdev) int irq; if (usb_disabled()) - goto err_end; + return -ENODEV; if (!dev->parent) { dev_err(dev, "Missing parent device\n"); @@ -172,11 +173,8 @@ static int __devinit ohci_hcd_omap3_probe(struct platform_device *pdev) hcd->rsrc_len = resource_size(res); hcd->regs = regs; - ret = omap_usbhs_enable(dev); - if (ret) { - dev_dbg(dev, "failed to start ohci\n"); - goto err_end; - } + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); ohci_hcd_init(hcd_to_ohci(hcd)); @@ -189,9 +187,7 @@ static int __devinit ohci_hcd_omap3_probe(struct platform_device *pdev) return 0; err_add_hcd: - omap_usbhs_disable(dev); - -err_end: + pm_runtime_put_sync(dev); usb_put_hcd(hcd); err_io: @@ -220,9 +216,9 @@ static int __devexit ohci_hcd_omap3_remove(struct platform_device *pdev) iounmap(hcd->regs); usb_remove_hcd(hcd); - omap_usbhs_disable(dev); + pm_runtime_put_sync(dev); + pm_runtime_disable(dev); usb_put_hcd(hcd); - return 0; } diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index ad8166c681e2..6109810cc2d3 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -175,28 +175,6 @@ static int ohci_quirk_amd700(struct usb_hcd *hcd) return 0; } -/* nVidia controllers continue to drive Reset signalling on the bus - * even after system shutdown, wasting power. This flag tells the - * shutdown routine to leave the controller OPERATIONAL instead of RESET. - */ -static int ohci_quirk_nvidia_shutdown(struct usb_hcd *hcd) -{ - struct pci_dev *pdev = to_pci_dev(hcd->self.controller); - struct ohci_hcd *ohci = hcd_to_ohci(hcd); - - /* Evidently nVidia fixed their later hardware; this is a guess at - * the changeover point. - */ -#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB 0x026d - - if (pdev->device < PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_USB) { - ohci->flags |= OHCI_QUIRK_SHUTDOWN; - ohci_dbg(ohci, "enabled nVidia shutdown quirk\n"); - } - - return 0; -} - static void sb800_prefetch(struct ohci_hcd *ohci, int on) { struct pci_dev *pdev; @@ -260,10 +238,6 @@ static const struct pci_device_id ohci_pci_quirks[] = { PCI_DEVICE(PCI_VENDOR_ID_ATI, 0x4399), .driver_data = (unsigned long)ohci_quirk_amd700, }, - { - PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), - .driver_data = (unsigned long) ohci_quirk_nvidia_shutdown, - }, /* FIXME for some of the early AMD 760 southbridges, OHCI * won't work at all. blacklist them. @@ -334,12 +308,9 @@ static int ohci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup) * mark HW unaccessible, bail out if RH has been resumed. Use * the spinlock to properly synchronize with possible pending * RH suspend or resume activity. - * - * This is still racy as hcd->state is manipulated outside of - * any locks =P But that will be a different fix. */ spin_lock_irqsave (&ohci->lock, flags); - if (hcd->state != HC_STATE_SUSPENDED) { + if (ohci->rh_state != OHCI_RH_SUSPENDED) { rc = -EINVAL; goto bail; } diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 29dfefe1c726..6313e4439f37 100644 --- a/drivers/usb/host/ohci-pxa27x.c +++ b/drivers/usb/host/ohci-pxa27x.c @@ -502,8 +502,6 @@ static int ohci_hcd_pxa27x_drv_suspend(struct device *dev) ohci->ohci.next_statechange = jiffies; pxa27x_stop_hc(ohci, dev); - hcd->state = HC_STATE_SUSPENDED; - return 0; } diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index 15dc51ded61a..c5a1ea9145fa 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -912,7 +912,7 @@ rescan_all: /* only take off EDs that the HC isn't using, accounting for * frame counter wraps and EDs with partially retired TDs */ - if (likely (HC_IS_RUNNING(ohci_to_hcd(ohci)->state))) { + if (likely(ohci->rh_state == OHCI_RH_RUNNING)) { if (tick_before (tick, ed->tick)) { skip_ed: last = &ed->ed_next; @@ -1012,7 +1012,7 @@ rescan_this: /* but if there's work queued, reschedule */ if (!list_empty (&ed->td_list)) { - if (HC_IS_RUNNING(ohci_to_hcd(ohci)->state)) + if (ohci->rh_state == OHCI_RH_RUNNING) ed_schedule (ohci, ed); } @@ -1021,9 +1021,7 @@ rescan_this: } /* maybe reenable control and bulk lists */ - if (HC_IS_RUNNING(ohci_to_hcd(ohci)->state) - && ohci_to_hcd(ohci)->state != HC_STATE_QUIESCING - && !ohci->ed_rm_list) { + if (ohci->rh_state == OHCI_RH_RUNNING && !ohci->ed_rm_list) { u32 command = 0, control = 0; if (ohci->ed_controltail) { diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index a1877c47601e..56dcf069246d 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -486,15 +486,66 @@ static int __devexit ohci_hcd_s3c2410_drv_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int ohci_hcd_s3c2410_drv_suspend(struct device *dev) +{ + struct usb_hcd *hcd = dev_get_drvdata(dev); + struct ohci_hcd *ohci = hcd_to_ohci(hcd); + struct platform_device *pdev = to_platform_device(dev); + unsigned long flags; + int rc = 0; + + /* + * Root hub was already suspended. Disable irq emission and + * mark HW unaccessible, bail out if RH has been resumed. Use + * the spinlock to properly synchronize with possible pending + * RH suspend or resume activity. + */ + spin_lock_irqsave(&ohci->lock, flags); + if (ohci->rh_state != OHCI_RH_SUSPENDED) { + rc = -EINVAL; + goto bail; + } + + clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + + s3c2410_stop_hc(pdev); +bail: + spin_unlock_irqrestore(&ohci->lock, flags); + + return rc; +} + +static int ohci_hcd_s3c2410_drv_resume(struct device *dev) +{ + struct usb_hcd *hcd = dev_get_drvdata(dev); + struct platform_device *pdev = to_platform_device(dev); + + s3c2410_start_hc(pdev, hcd); + + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + ohci_finish_controller_resume(hcd); + + return 0; +} +#else +#define ohci_hcd_s3c2410_drv_suspend NULL +#define ohci_hcd_s3c2410_drv_resume NULL +#endif + +static const struct dev_pm_ops ohci_hcd_s3c2410_pm_ops = { + .suspend = ohci_hcd_s3c2410_drv_suspend, + .resume = ohci_hcd_s3c2410_drv_resume, +}; + static struct platform_driver ohci_hcd_s3c2410_driver = { .probe = ohci_hcd_s3c2410_drv_probe, .remove = __devexit_p(ohci_hcd_s3c2410_drv_remove), .shutdown = usb_hcd_platform_shutdown, - /*.suspend = ohci_hcd_s3c2410_drv_suspend, */ - /*.resume = ohci_hcd_s3c2410_drv_resume, */ .driver = { .owner = THIS_MODULE, .name = "s3c2410-ohci", + .pm = &ohci_hcd_s3c2410_pm_ops, }, }; diff --git a/drivers/usb/host/ohci-sh.c b/drivers/usb/host/ohci-sh.c index afc4eb6bb9d0..84686d90805b 100644 --- a/drivers/usb/host/ohci-sh.c +++ b/drivers/usb/host/ohci-sh.c @@ -29,7 +29,6 @@ static int ohci_sh_start(struct usb_hcd *hcd) ohci_hcd_init(ohci); ohci_init(ohci); ohci_run(ohci); - hcd->state = HC_STATE_RUNNING; return 0; } diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c index 968cea2b6d4e..5596ac2ba1ca 100644 --- a/drivers/usb/host/ohci-sm501.c +++ b/drivers/usb/host/ohci-sm501.c @@ -224,7 +224,6 @@ static int ohci_sm501_suspend(struct platform_device *pdev, pm_message_t msg) ohci->next_statechange = jiffies; sm501_unit_power(dev->parent, SM501_GATE_USB_HOST, 0); - ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED; return 0; } diff --git a/drivers/usb/host/ohci-spear.c b/drivers/usb/host/ohci-spear.c index 69874654f3b5..95c16489e883 100644 --- a/drivers/usb/host/ohci-spear.c +++ b/drivers/usb/host/ohci-spear.c @@ -203,7 +203,6 @@ static int spear_ohci_hcd_drv_suspend(struct platform_device *dev, ohci->next_statechange = jiffies; spear_stop_ohci(ohci_p); - ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED; return 0; } diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 06331d931171..120bfe6ede38 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -318,9 +318,6 @@ static int ohci_hcd_tmio_drv_suspend(struct platform_device *dev, pm_message_t s if (ret) return ret; } - - hcd->state = HC_STATE_SUSPENDED; - return 0; } diff --git a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c index a3a9c6f45b91..a2247867af86 100644 --- a/drivers/usb/host/ohci-xls.c +++ b/drivers/usb/host/ohci-xls.c @@ -40,7 +40,7 @@ static int ohci_xls_probe_internal(const struct hc_driver *driver, goto err1; } hcd->rsrc_start = res->start; - hcd->rsrc_len = res->end - res->start + 1; + hcd->rsrc_len = resource_size(res); if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, driver->description)) { diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h index 35e5fd640ce7..8ff6f7ea96fd 100644 --- a/drivers/usb/host/ohci.h +++ b/drivers/usb/host/ohci.h @@ -344,6 +344,12 @@ typedef struct urb_priv { * a subset of what the full implementation needs. (Linus) */ +enum ohci_rh_state { + OHCI_RH_HALTED, + OHCI_RH_SUSPENDED, + OHCI_RH_RUNNING +}; + struct ohci_hcd { spinlock_t lock; @@ -384,6 +390,7 @@ struct ohci_hcd { /* * driver state */ + enum ohci_rh_state rh_state; int num_ports; int load [NUM_INTS]; u32 hc_control; /* copy of hc control reg */ @@ -403,7 +410,6 @@ struct ohci_hcd { #define OHCI_QUIRK_HUB_POWER 0x100 /* distrust firmware power/oc setup */ #define OHCI_QUIRK_AMD_PLL 0x200 /* AMD PLL quirk*/ #define OHCI_QUIRK_AMD_PREFETCH 0x400 /* pre-fetch for ISO transfer */ -#define OHCI_QUIRK_SHUTDOWN 0x800 /* nVidia power bug */ // there are also chip quirks/bugs in init logic struct work_struct nec_work; /* Worker for NEC quirk */ @@ -680,11 +686,6 @@ static inline u16 ohci_hwPSW(const struct ohci_hcd *ohci, /*-------------------------------------------------------------------------*/ -static inline void disable (struct ohci_hcd *ohci) -{ - ohci_to_hcd(ohci)->state = HC_STATE_HALT; -} - #define FI 0x2edf /* 12000 bits per frame (-1) */ #define FSMP(fi) (0x7fff & ((6 * ((fi) - 210)) / 7)) #define FIT (1 << 31) @@ -708,7 +709,7 @@ static inline void periodic_reinit (struct ohci_hcd *ohci) #define read_roothub(hc, register, mask) ({ \ u32 temp = ohci_readl (hc, &hc->regs->roothub.register); \ if (temp == -1) \ - disable (hc); \ + hc->rh_state = OHCI_RH_HALTED; \ else if (hc->flags & OHCI_QUIRK_AMD756) \ while (temp & mask) \ temp = ohci_readl (hc, &hc->regs->roothub.register); \ diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index dcd889803f0f..015c7c62ed49 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -233,7 +233,7 @@ module_param(park, uint, S_IRUGO); MODULE_PARM_DESC(park, "park setting; 1-3 back-to-back async packets"); /* For flakey hardware, ignore overcurrent indicators */ -static int ignore_oc; +static bool ignore_oc; module_param(ignore_oc, bool, S_IRUGO); MODULE_PARM_DESC(ignore_oc, "ignore bogus hardware overcurrent indications"); @@ -3951,24 +3951,7 @@ static struct platform_driver oxu_driver = { } }; -static int __init oxu_module_init(void) -{ - int retval = 0; - - retval = platform_driver_register(&oxu_driver); - if (retval < 0) - return retval; - - return retval; -} - -static void __exit oxu_module_cleanup(void) -{ - platform_driver_unregister(&oxu_driver); -} - -module_init(oxu_module_init); -module_exit(oxu_module_cleanup); +module_platform_driver(oxu_driver); MODULE_DESCRIPTION("Oxford OXU210HP HCD driver - ver. " DRIVER_VERSION); MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>"); diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index 27a3dec32fa2..caf87428ca43 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -37,6 +37,7 @@ #define OHCI_INTRENABLE 0x10 #define OHCI_INTRDISABLE 0x14 #define OHCI_FMINTERVAL 0x34 +#define OHCI_HCFS (3 << 6) /* hc functional state */ #define OHCI_HCR (1 << 0) /* host controller reset */ #define OHCI_OCR (1 << 3) /* ownership change request */ #define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */ @@ -466,6 +467,8 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev) { void __iomem *base; u32 control; + u32 fminterval; + int cnt; if (!mmio_resource_enabled(pdev, 0)) return; @@ -498,41 +501,32 @@ static void __devinit quirk_usb_handoff_ohci(struct pci_dev *pdev) } #endif - /* reset controller, preserving RWC (and possibly IR) */ - writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL); - readl(base + OHCI_CONTROL); + /* disable interrupts */ + writel((u32) ~0, base + OHCI_INTRDISABLE); - /* Some NVIDIA controllers stop working if kept in RESET for too long */ - if (pdev->vendor == PCI_VENDOR_ID_NVIDIA) { - u32 fminterval; - int cnt; + /* Reset the USB bus, if the controller isn't already in RESET */ + if (control & OHCI_HCFS) { + /* Go into RESET, preserving RWC (and possibly IR) */ + writel(control & OHCI_CTRL_MASK, base + OHCI_CONTROL); + readl(base + OHCI_CONTROL); - /* drive reset for at least 50 ms (7.1.7.5) */ + /* drive bus reset for at least 50 ms (7.1.7.5) */ msleep(50); + } - /* software reset of the controller, preserving HcFmInterval */ - fminterval = readl(base + OHCI_FMINTERVAL); - writel(OHCI_HCR, base + OHCI_CMDSTATUS); + /* software reset of the controller, preserving HcFmInterval */ + fminterval = readl(base + OHCI_FMINTERVAL); + writel(OHCI_HCR, base + OHCI_CMDSTATUS); - /* reset requires max 10 us delay */ - for (cnt = 30; cnt > 0; --cnt) { /* ... allow extra time */ - if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0) - break; - udelay(1); - } - writel(fminterval, base + OHCI_FMINTERVAL); - - /* Now we're in the SUSPEND state with all devices reset - * and wakeups and interrupts disabled - */ + /* reset requires max 10 us delay */ + for (cnt = 30; cnt > 0; --cnt) { /* ... allow extra time */ + if ((readl(base + OHCI_CMDSTATUS) & OHCI_HCR) == 0) + break; + udelay(1); } + writel(fminterval, base + OHCI_FMINTERVAL); - /* - * disable interrupts - */ - writel(~(u32)0, base + OHCI_INTRDISABLE); - writel(~(u32)0, base + OHCI_INTRSTATUS); - + /* Now the controller is safely in SUSPEND and nothing can wake it up */ iounmap(base); } @@ -627,7 +621,7 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) void __iomem *base, *op_reg_base; u32 hcc_params, cap, val; u8 offset, cap_length; - int wait_time, delta, count = 256/4; + int wait_time, count = 256/4; if (!mmio_resource_enabled(pdev, 0)) return; @@ -673,11 +667,10 @@ static void __devinit quirk_usb_disable_ehci(struct pci_dev *pdev) writel(val, op_reg_base + EHCI_USBCMD); wait_time = 2000; - delta = 100; do { writel(0x3f, op_reg_base + EHCI_USBSTS); - udelay(delta); - wait_time -= delta; + udelay(100); + wait_time -= 100; val = readl(op_reg_base + EHCI_USBSTS); if ((val == ~(u32)0) || (val & EHCI_USBSTS_HALTED)) { break; diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 533d12cca371..16dd6a6abf00 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -74,7 +74,7 @@ MODULE_LICENSE("GPL"); #define INT_MODULE_PARM(n, v) static int n = v;module_param(n, int, 0444) INT_MODULE_PARM(testing, 0); /* Some boards misreport power switching/overcurrent*/ -static int distrust_firmware = 1; +static bool distrust_firmware = 1; module_param(distrust_firmware, bool, 0); MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurren" "t setup"); diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index c8ae199cfbb8..6b5eb1017e2c 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -59,7 +59,7 @@ #define DRIVER_DESC "USB Universal Host Controller Interface driver" /* for flakey hardware, ignore overcurrent indicators */ -static int ignore_oc; +static bool ignore_oc; module_param(ignore_oc, bool, S_IRUGO); MODULE_PARM_DESC(ignore_oc, "ignore hardware overcurrent indications"); diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index f6ca80ee4cec..d2c6f5ac4626 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -943,7 +943,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, if (usb_pipein(urb->pipe)) status |= TD_CTRL_SPD; - i = urb->num_sgs; + i = urb->num_mapped_sgs; if (len > 0 && i > 0) { sg = urb->sg; data = sg_dma_address(sg); diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index d6e175428618..76083ae92138 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -124,7 +124,7 @@ void qset_clear(struct whc *whc, struct whc_qset *qset) { qset->td_start = qset->td_end = qset->ntds = 0; - qset->qh.link = cpu_to_le32(QH_LINK_NTDS(8) | QH_LINK_T); + qset->qh.link = cpu_to_le64(QH_LINK_NTDS(8) | QH_LINK_T); qset->qh.status = qset->qh.status & QH_STATUS_SEQ_MASK; qset->qh.err_count = 0; qset->qh.scratch[0] = 0; @@ -443,7 +443,7 @@ static int qset_add_urb_sg(struct whc *whc, struct whc_qset *qset, struct urb *u remaining = urb->transfer_buffer_length; - for_each_sg(urb->sg, sg, urb->num_sgs, i) { + for_each_sg(urb->sg, sg, urb->num_mapped_sgs, i) { dma_addr_t dma_addr; size_t dma_remaining; dma_addr_t sp, ep; @@ -561,7 +561,7 @@ static int qset_add_urb_sg_linearize(struct whc *whc, struct whc_qset *qset, remaining = urb->transfer_buffer_length; - for_each_sg(urb->sg, sg, urb->num_sgs, i) { + for_each_sg(urb->sg, sg, urb->num_mapped_sgs, i) { size_t len; size_t sg_remaining; void *orig; diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 430e88fd3f6c..35e257f79c7b 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -57,17 +57,15 @@ static void xhci_common_hub_descriptor(struct xhci_hcd *xhci, desc->bHubContrCurrent = 0; desc->bNbrPorts = ports; - /* Ugh, these should be #defines, FIXME */ - /* Using table 11-13 in USB 2.0 spec. */ temp = 0; - /* Bits 1:0 - support port power switching, or power always on */ + /* Bits 1:0 - support per-port power switching, or power always on */ if (HCC_PPC(xhci->hcc_params)) - temp |= 0x0001; + temp |= HUB_CHAR_INDV_PORT_LPSM; else - temp |= 0x0002; + temp |= HUB_CHAR_NO_LPSM; /* Bit 2 - root hubs are not part of a compound device */ /* Bits 4:3 - individual port over current protection */ - temp |= 0x0008; + temp |= HUB_CHAR_INDV_PORT_OCPM; /* Bits 6:5 - no TTs in root ports */ /* Bit 7 - no port indicators */ desc->wHubCharacteristics = cpu_to_le16(temp); @@ -86,9 +84,9 @@ static void xhci_usb2_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci, ports = xhci->num_usb2_ports; xhci_common_hub_descriptor(xhci, desc, ports); - desc->bDescriptorType = 0x29; + desc->bDescriptorType = USB_DT_HUB; temp = 1 + (ports / 8); - desc->bDescLength = 7 + 2 * temp; + desc->bDescLength = USB_DT_HUB_NONVAR_SIZE + 2 * temp; /* The Device Removable bits are reported on a byte granularity. * If the port doesn't exist within that byte, the bit is set to 0. @@ -137,8 +135,8 @@ static void xhci_usb3_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci, ports = xhci->num_usb3_ports; xhci_common_hub_descriptor(xhci, desc, ports); - desc->bDescriptorType = 0x2a; - desc->bDescLength = 12; + desc->bDescriptorType = USB_DT_SS_HUB; + desc->bDescLength = USB_DT_SS_HUB_SIZE; /* header decode latency should be zero for roothubs, * see section 4.23.5.2. diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 42a22b8e6922..36cbe2226a44 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -42,15 +42,12 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, gfp_t flag seg = kzalloc(sizeof *seg, flags); if (!seg) return NULL; - xhci_dbg(xhci, "Allocating priv segment structure at %p\n", seg); seg->trbs = dma_pool_alloc(xhci->segment_pool, flags, &dma); if (!seg->trbs) { kfree(seg); return NULL; } - xhci_dbg(xhci, "// Allocating segment at %p (virtual) 0x%llx (DMA)\n", - seg->trbs, (unsigned long long)dma); memset(seg->trbs, 0, SEGMENT_SIZE); seg->dma = dma; @@ -62,12 +59,9 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, gfp_t flag static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg) { if (seg->trbs) { - xhci_dbg(xhci, "Freeing DMA segment at %p (virtual) 0x%llx (DMA)\n", - seg->trbs, (unsigned long long)seg->dma); dma_pool_free(xhci->segment_pool, seg->trbs, seg->dma); seg->trbs = NULL; } - xhci_dbg(xhci, "Freeing priv segment structure at %p\n", seg); kfree(seg); } @@ -101,9 +95,6 @@ static void xhci_link_segments(struct xhci_hcd *xhci, struct xhci_segment *prev, val |= TRB_CHAIN; prev->trbs[TRBS_PER_SEGMENT-1].link.control = cpu_to_le32(val); } - xhci_dbg(xhci, "Linking segment 0x%llx to segment 0x%llx (DMA)\n", - (unsigned long long)prev->dma, - (unsigned long long)next->dma); } /* XXX: Do we need the hcd structure in all these functions? */ @@ -117,7 +108,6 @@ void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring) if (ring->first_seg) { first_seg = ring->first_seg; seg = first_seg->next; - xhci_dbg(xhci, "Freeing ring at %p\n", ring); while (seg != first_seg) { struct xhci_segment *next = seg->next; xhci_segment_free(xhci, seg); @@ -160,7 +150,6 @@ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci, struct xhci_segment *prev; ring = kzalloc(sizeof *(ring), flags); - xhci_dbg(xhci, "Allocating ring at %p\n", ring); if (!ring) return NULL; @@ -191,9 +180,6 @@ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci, /* See section 4.9.2.1 and 6.4.4.1 */ prev->trbs[TRBS_PER_SEGMENT-1].link.control |= cpu_to_le32(LINK_TOGGLE); - xhci_dbg(xhci, "Wrote link toggle flag to" - " segment %p (virtual), 0x%llx (DMA)\n", - prev, (unsigned long long)prev->dma); } xhci_initialize_ring_info(ring); return ring; @@ -982,7 +968,6 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud struct xhci_virt_device *dev; struct xhci_ep_ctx *ep0_ctx; struct xhci_slot_ctx *slot_ctx; - struct xhci_input_control_ctx *ctrl_ctx; u32 port_num; struct usb_device *top_dev; @@ -994,12 +979,8 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud return -EINVAL; } ep0_ctx = xhci_get_ep_ctx(xhci, dev->in_ctx, 0); - ctrl_ctx = xhci_get_input_control_ctx(xhci, dev->in_ctx); slot_ctx = xhci_get_slot_ctx(xhci, dev->in_ctx); - /* 2) New slot context and endpoint 0 context are valid*/ - ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG); - /* 3) Only the control endpoint is valid - one endpoint context */ slot_ctx->dev_info |= cpu_to_le32(LAST_CTX(1) | udev->route); switch (udev->speed) { diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 940321b3ec68..b90e1386418b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -155,10 +155,6 @@ static void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring, bool consumer while (last_trb(xhci, ring, ring->deq_seg, next)) { if (consumer && last_trb_on_last_seg(xhci, ring, ring->deq_seg, next)) { ring->cycle_state = (ring->cycle_state ? 0 : 1); - if (!in_interrupt()) - xhci_dbg(xhci, "Toggle cycle state for ring %p = %i\n", - ring, - (unsigned int) ring->cycle_state); } ring->deq_seg = ring->deq_seg->next; ring->dequeue = ring->deq_seg->trbs; @@ -231,10 +227,6 @@ static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring, /* Toggle the cycle bit after the last ring segment. */ if (last_trb_on_last_seg(xhci, ring, ring->enq_seg, next)) { ring->cycle_state = (ring->cycle_state ? 0 : 1); - if (!in_interrupt()) - xhci_dbg(xhci, "Toggle cycle state for ring %p = %i\n", - ring, - (unsigned int) ring->cycle_state); } } ring->enq_seg = ring->enq_seg->next; @@ -560,12 +552,9 @@ static void td_to_noop(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, cpu_to_le32(TRB_CYCLE); cur_trb->generic.field[3] |= cpu_to_le32( TRB_TYPE(TRB_TR_NOOP)); - xhci_dbg(xhci, "Cancel TRB %p (0x%llx dma) " - "in seg %p (0x%llx dma)\n", - cur_trb, - (unsigned long long)xhci_trb_virt_to_dma(cur_seg, cur_trb), - cur_seg, - (unsigned long long)cur_seg->dma); + xhci_dbg(xhci, "TRB to noop at offset 0x%llx\n", + (unsigned long long) + xhci_trb_virt_to_dma(cur_seg, cur_trb)); } if (cur_trb == cur_td->last_trb) break; @@ -705,9 +694,9 @@ static void handle_stopped_endpoint(struct xhci_hcd *xhci, */ list_for_each(entry, &ep->cancelled_td_list) { cur_td = list_entry(entry, struct xhci_td, cancelled_td_list); - xhci_dbg(xhci, "Cancelling TD starting at %p, 0x%llx (dma).\n", - cur_td->first_trb, - (unsigned long long)xhci_trb_virt_to_dma(cur_td->start_seg, cur_td->first_trb)); + xhci_dbg(xhci, "Removing canceled TD starting at 0x%llx (dma).\n", + (unsigned long long)xhci_trb_virt_to_dma( + cur_td->start_seg, cur_td->first_trb)); ep_ring = xhci_urb_to_transfer_ring(xhci, cur_td->urb); if (!ep_ring) { /* This shouldn't happen unless a driver is mucking @@ -816,23 +805,24 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) struct xhci_ring *ring; struct xhci_td *cur_td; int ret, i, j; + unsigned long flags; ep = (struct xhci_virt_ep *) arg; xhci = ep->xhci; - spin_lock(&xhci->lock); + spin_lock_irqsave(&xhci->lock, flags); ep->stop_cmds_pending--; if (xhci->xhc_state & XHCI_STATE_DYING) { xhci_dbg(xhci, "Stop EP timer ran, but another timer marked " "xHCI as DYING, exiting.\n"); - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); return; } if (!(ep->stop_cmds_pending == 0 && (ep->ep_state & EP_HALT_PENDING))) { xhci_dbg(xhci, "Stop EP timer ran, but no command pending, " "exiting.\n"); - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); return; } @@ -844,11 +834,11 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) xhci->xhc_state |= XHCI_STATE_DYING; /* Disable interrupts from the host controller and start halting it */ xhci_quiesce(xhci); - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); ret = xhci_halt(xhci); - spin_lock(&xhci->lock); + spin_lock_irqsave(&xhci->lock, flags); if (ret < 0) { /* This is bad; the host is not responding to commands and it's * not allowing itself to be halted. At least interrupts are @@ -896,7 +886,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) } } } - spin_unlock(&xhci->lock); + spin_unlock_irqrestore(&xhci->lock, flags); xhci_dbg(xhci, "Calling usb_hc_died()\n"); usb_hc_died(xhci_to_hcd(xhci)->primary_hcd); xhci_dbg(xhci, "xHCI host controller is dead.\n"); @@ -1626,7 +1616,6 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index); trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len)); - xhci_debug_trb(xhci, xhci->event_ring->dequeue); switch (trb_comp_code) { case COMP_SUCCESS: if (event_trb == ep_ring->dequeue) { @@ -1642,7 +1631,6 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, } break; case COMP_SHORT_TX: - xhci_warn(xhci, "WARN: short transfer on control ep\n"); if (td->urb->transfer_flags & URB_SHORT_NOT_OK) *status = -EREMOTEIO; else @@ -1945,6 +1933,16 @@ static int handle_tx_event(struct xhci_hcd *xhci, xdev = xhci->devs[slot_id]; if (!xdev) { xhci_err(xhci, "ERROR Transfer event pointed to bad slot\n"); + xhci_err(xhci, "@%016llx %08x %08x %08x %08x\n", + (unsigned long long) xhci_trb_virt_to_dma( + xhci->event_ring->deq_seg, + xhci->event_ring->dequeue), + lower_32_bits(le64_to_cpu(event->buffer)), + upper_32_bits(le64_to_cpu(event->buffer)), + le32_to_cpu(event->transfer_len), + le32_to_cpu(event->flags)); + xhci_dbg(xhci, "Event ring:\n"); + xhci_debug_segment(xhci, xhci->event_ring->deq_seg); return -ENODEV; } @@ -1958,6 +1956,16 @@ static int handle_tx_event(struct xhci_hcd *xhci, EP_STATE_DISABLED) { xhci_err(xhci, "ERROR Transfer event for disabled endpoint " "or incorrect stream ring\n"); + xhci_err(xhci, "@%016llx %08x %08x %08x %08x\n", + (unsigned long long) xhci_trb_virt_to_dma( + xhci->event_ring->deq_seg, + xhci->event_ring->dequeue), + lower_32_bits(le64_to_cpu(event->buffer)), + upper_32_bits(le64_to_cpu(event->buffer)), + le32_to_cpu(event->transfer_len), + le32_to_cpu(event->flags)); + xhci_dbg(xhci, "Event ring:\n"); + xhci_debug_segment(xhci, xhci->event_ring->deq_seg); return -ENODEV; } @@ -1984,7 +1992,7 @@ static int handle_tx_event(struct xhci_hcd *xhci, xhci_dbg(xhci, "Stopped on No-op or Link TRB\n"); break; case COMP_STALL: - xhci_warn(xhci, "WARN: Stalled endpoint\n"); + xhci_dbg(xhci, "Stalled endpoint\n"); ep->ep_state |= EP_HALTED; status = -EPIPE; break; @@ -1994,11 +2002,11 @@ static int handle_tx_event(struct xhci_hcd *xhci, break; case COMP_SPLIT_ERR: case COMP_TX_ERR: - xhci_warn(xhci, "WARN: transfer error on endpoint\n"); + xhci_dbg(xhci, "Transfer error on endpoint\n"); status = -EPROTO; break; case COMP_BABBLE: - xhci_warn(xhci, "WARN: babble error on endpoint\n"); + xhci_dbg(xhci, "Babble error on endpoint\n"); status = -EOVERFLOW; break; case COMP_DB_ERR: @@ -2389,17 +2397,7 @@ hw_died: irqreturn_t xhci_msi_irq(int irq, struct usb_hcd *hcd) { - irqreturn_t ret; - struct xhci_hcd *xhci; - - xhci = hcd_to_xhci(hcd); - set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); - if (xhci->shared_hcd) - set_bit(HCD_FLAG_SAW_IRQ, &xhci->shared_hcd->flags); - - ret = xhci_irq(hcd); - - return ret; + return xhci_irq(hcd); } /**** Endpoint Ring Operations ****/ @@ -2487,11 +2485,6 @@ static int prepare_ring(struct xhci_hcd *xhci, struct xhci_ring *ep_ring, /* Toggle the cycle bit after the last ring segment. */ if (last_trb_on_last_seg(xhci, ring, ring->enq_seg, next)) { ring->cycle_state = (ring->cycle_state ? 0 : 1); - if (!in_interrupt()) { - xhci_dbg(xhci, "queue_trb: Toggle cycle " - "state for ring %p = %i\n", - ring, (unsigned int)ring->cycle_state); - } } ring->enq_seg = ring->enq_seg->next; ring->enqueue = ring->enq_seg->trbs; @@ -2560,13 +2553,11 @@ static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb) struct scatterlist *sg; sg = NULL; - num_sgs = urb->num_sgs; + num_sgs = urb->num_mapped_sgs; temp = urb->transfer_buffer_length; - xhci_dbg(xhci, "count sg list trbs: \n"); num_trbs = 0; for_each_sg(urb->sg, sg, num_sgs, i) { - unsigned int previous_total_trbs = num_trbs; unsigned int len = sg_dma_len(sg); /* Scatter gather list entries may cross 64KB boundaries */ @@ -2581,22 +2572,11 @@ static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb) num_trbs++; running_total += TRB_MAX_BUFF_SIZE; } - xhci_dbg(xhci, " sg #%d: dma = %#llx, len = %#x (%d), num_trbs = %d\n", - i, (unsigned long long)sg_dma_address(sg), - len, len, num_trbs - previous_total_trbs); - len = min_t(int, len, temp); temp -= len; if (temp == 0) break; } - xhci_dbg(xhci, "\n"); - if (!in_interrupt()) - xhci_dbg(xhci, "ep %#x - urb len = %d, sglist used, " - "num_trbs = %d\n", - urb->ep->desc.bEndpointAddress, - urb->transfer_buffer_length, - num_trbs); return num_trbs; } @@ -2744,7 +2724,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, return -EINVAL; num_trbs = count_sg_trbs_needed(xhci, urb); - num_sgs = urb->num_sgs; + num_sgs = urb->num_mapped_sgs; total_packet_count = roundup(urb->transfer_buffer_length, usb_endpoint_maxp(&urb->ep->desc)); @@ -2782,8 +2762,6 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, trb_buff_len = min_t(int, trb_buff_len, this_sg_len); if (trb_buff_len > urb->transfer_buffer_length) trb_buff_len = urb->transfer_buffer_length; - xhci_dbg(xhci, "First length to xfer from 1st sglist entry = %u\n", - trb_buff_len); first_trb = true; /* Queue the first TRB, even if it's zero-length */ @@ -2815,11 +2793,6 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (usb_urb_dir_in(urb)) field |= TRB_ISP; - xhci_dbg(xhci, " sg entry: dma = %#x, len = %#x (%d), " - "64KB boundary at %#x, end dma = %#x\n", - (unsigned int) addr, trb_buff_len, trb_buff_len, - (unsigned int) (addr + TRB_MAX_BUFF_SIZE) & ~(TRB_MAX_BUFF_SIZE - 1), - (unsigned int) addr + trb_buff_len); if (TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1)) < trb_buff_len) { xhci_warn(xhci, "WARN: sg dma xfer crosses 64KB boundaries!\n"); @@ -2925,15 +2898,6 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags, } /* FIXME: this doesn't deal with URB_ZERO_PACKET - need one more */ - if (!in_interrupt()) - xhci_dbg(xhci, "ep %#x - urb len = %#x (%d), " - "addr = %#llx, num_trbs = %d\n", - urb->ep->desc.bEndpointAddress, - urb->transfer_buffer_length, - urb->transfer_buffer_length, - (unsigned long long)urb->transfer_dma, - num_trbs); - ret = prepare_transfer(xhci, xhci->devs[slot_id], ep_index, urb->stream_id, num_trbs, urb, 0, false, mem_flags); @@ -3054,9 +3018,6 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (!urb->setup_packet) return -EINVAL; - if (!in_interrupt()) - xhci_dbg(xhci, "Queueing ctrl tx for slot id %d, ep %d\n", - slot_id, ep_index); /* 1 TRB for setup, 1 for status */ num_trbs = 2; /* @@ -3248,15 +3209,6 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, return -EINVAL; } - if (!in_interrupt()) - xhci_dbg(xhci, "ep %#x - urb len = %#x (%d)," - " addr = %#llx, num_tds = %d\n", - urb->ep->desc.bEndpointAddress, - urb->transfer_buffer_length, - urb->transfer_buffer_length, - (unsigned long long)urb->transfer_dma, - num_tds); - start_addr = (u64) urb->transfer_dma; start_trb = &ep_ring->enqueue->generic; start_cycle = ep_ring->cycle_state; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 1ff95a0df576..6bbe3c3a7111 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -200,14 +200,14 @@ static int xhci_setup_msi(struct xhci_hcd *xhci) ret = pci_enable_msi(pdev); if (ret) { - xhci_err(xhci, "failed to allocate MSI entry\n"); + xhci_dbg(xhci, "failed to allocate MSI entry\n"); return ret; } ret = request_irq(pdev->irq, (irq_handler_t)xhci_msi_irq, 0, "xhci_hcd", xhci_to_hcd(xhci)); if (ret) { - xhci_err(xhci, "disable MSI interrupt\n"); + xhci_dbg(xhci, "disable MSI interrupt\n"); pci_disable_msi(pdev); } @@ -270,7 +270,7 @@ static int xhci_setup_msix(struct xhci_hcd *xhci) ret = pci_enable_msix(pdev, xhci->msix_entries, xhci->msix_count); if (ret) { - xhci_err(xhci, "Failed to enable MSI-X\n"); + xhci_dbg(xhci, "Failed to enable MSI-X\n"); goto free_entries; } @@ -286,7 +286,7 @@ static int xhci_setup_msix(struct xhci_hcd *xhci) return ret; disable_msix: - xhci_err(xhci, "disable MSI-X interrupt\n"); + xhci_dbg(xhci, "disable MSI-X interrupt\n"); xhci_free_irq(xhci); pci_disable_msix(pdev); free_entries: @@ -711,7 +711,10 @@ static void xhci_clear_command_ring(struct xhci_hcd *xhci) ring = xhci->cmd_ring; seg = ring->deq_seg; do { - memset(seg->trbs, 0, SEGMENT_SIZE); + memset(seg->trbs, 0, + sizeof(union xhci_trb) * (TRBS_PER_SEGMENT - 1)); + seg->trbs[TRBS_PER_SEGMENT - 1].link.control &= + cpu_to_le32(~TRB_CYCLE); seg = seg->next; } while (seg != ring->deq_seg); @@ -799,7 +802,7 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) u32 command, temp = 0; struct usb_hcd *hcd = xhci_to_hcd(xhci); struct usb_hcd *secondary_hcd; - int retval; + int retval = 0; /* Wait a bit if either of the roothubs need to settle from the * transition into bus suspend. @@ -809,6 +812,9 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) xhci->bus_state[1].next_statechange)) msleep(100); + set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); + spin_lock_irq(&xhci->lock); if (xhci->quirks & XHCI_RESET_ON_RESUME) hibernated = true; @@ -878,20 +884,13 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) return retval; xhci_dbg(xhci, "Start the primary HCD\n"); retval = xhci_run(hcd->primary_hcd); - if (retval) - goto failed_restart; - - xhci_dbg(xhci, "Start the secondary HCD\n"); - retval = xhci_run(secondary_hcd); if (!retval) { - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - set_bit(HCD_FLAG_HW_ACCESSIBLE, - &xhci->shared_hcd->flags); + xhci_dbg(xhci, "Start the secondary HCD\n"); + retval = xhci_run(secondary_hcd); } -failed_restart: hcd->state = HC_STATE_SUSPENDED; xhci->shared_hcd->state = HC_STATE_SUSPENDED; - return retval; + goto done; } /* step 4: set Run/Stop bit */ @@ -910,11 +909,14 @@ failed_restart: * Running endpoints by ringing their doorbells */ - set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); - set_bit(HCD_FLAG_HW_ACCESSIBLE, &xhci->shared_hcd->flags); - spin_unlock_irq(&xhci->lock); - return 0; + + done: + if (retval == 0) { + usb_hcd_resume_root_hub(hcd); + usb_hcd_resume_root_hub(xhci->shared_hcd); + } + return retval; } #endif /* CONFIG_PM */ @@ -1331,9 +1333,6 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) goto done; } - xhci_dbg(xhci, "Cancel URB %p\n", urb); - xhci_dbg(xhci, "Event ring:\n"); - xhci_debug_ring(xhci, xhci->event_ring); ep_index = xhci_get_endpoint_index(&urb->ep->desc); ep = &xhci->devs[urb->dev->slot_id]->eps[ep_index]; ep_ring = xhci_urb_to_transfer_ring(xhci, urb); @@ -1342,12 +1341,18 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) goto done; } - xhci_dbg(xhci, "Endpoint ring:\n"); - xhci_debug_ring(xhci, ep_ring); - urb_priv = urb->hcpriv; - - for (i = urb_priv->td_cnt; i < urb_priv->length; i++) { + i = urb_priv->td_cnt; + if (i < urb_priv->length) + xhci_dbg(xhci, "Cancel URB %p, dev %s, ep 0x%x, " + "starting at offset 0x%llx\n", + urb, urb->dev->devpath, + urb->ep->desc.bEndpointAddress, + (unsigned long long) xhci_trb_virt_to_dma( + urb_priv->td[i]->start_seg, + urb_priv->td[i]->first_trb)); + + for (; i < urb_priv->length; i++) { td = urb_priv->td[i]; list_add_tail(&td->cancelled_td_list, &ep->cancelled_td_list); } @@ -1618,6 +1623,7 @@ static int xhci_configure_endpoint_result(struct xhci_hcd *xhci, /* FIXME: can we allocate more resources for the HC? */ break; case COMP_BW_ERR: + case COMP_2ND_BW_ERR: dev_warn(&udev->dev, "Not enough bandwidth " "for new device state.\n"); ret = -ENOSPC; @@ -2794,8 +2800,7 @@ static int xhci_calculate_streams_and_bitmask(struct xhci_hcd *xhci, if (ret < 0) return ret; - max_streams = USB_SS_MAX_STREAMS( - eps[i]->ss_ep_comp.bmAttributes); + max_streams = usb_ss_max_streams(&eps[i]->ss_ep_comp); if (max_streams < (*num_streams - 1)) { xhci_dbg(xhci, "Ep 0x%x only supports %u stream IDs.\n", eps[i]->desc.bEndpointAddress, @@ -3504,6 +3509,10 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) /* Otherwise, update the control endpoint ring enqueue pointer. */ else xhci_copy_ep0_dequeue_into_input_ctx(xhci, udev); + ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx); + ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG); + ctrl_ctx->drop_flags = 0; + xhci_dbg(xhci, "Slot ID %d Input Context:\n", udev->slot_id); xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2); @@ -3585,7 +3594,6 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) virt_dev->address = (le32_to_cpu(slot_ctx->dev_state) & DEV_ADDR_MASK) + 1; /* Zero the input context control for later use */ - ctrl_ctx = xhci_get_input_control_ctx(xhci, virt_dev->in_ctx); ctrl_ctx->add_flags = 0; ctrl_ctx->drop_flags = 0; diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 3c8fbd2772ea..fb99c8379142 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1033,7 +1033,6 @@ struct xhci_transfer_event { /* Invalid Stream ID Error */ #define COMP_STRID_ERR 34 /* Secondary Bandwidth Error - may be returned by a Configure Endpoint cmd */ -/* FIXME - check for this */ #define COMP_2ND_BW_ERR 35 /* Split Transaction Error */ #define COMP_SPLIT_ERR 36 @@ -1356,7 +1355,7 @@ static inline unsigned int hcd_index(struct usb_hcd *hcd) return 1; } -/* There is one ehci_hci structure per controller */ +/* There is one xhci_hcd structure per controller */ struct xhci_hcd { struct usb_hcd *main_hcd; struct usb_hcd *shared_hcd; diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c index 27e209a7222f..9c0f8caba3be 100644 --- a/drivers/usb/image/microtek.c +++ b/drivers/usb/image/microtek.c @@ -809,19 +809,7 @@ static void mts_usb_disconnect (struct usb_interface *intf) kfree(desc); } - -static int __init microtek_drv_init(void) -{ - return usb_register(&mts_usb_driver); -} - -static void __exit microtek_drv_exit(void) -{ - usb_deregister(&mts_usb_driver); -} - -module_init(microtek_drv_init); -module_exit(microtek_drv_exit); +module_usb_driver(mts_usb_driver); MODULE_AUTHOR( DRIVER_AUTHOR ); MODULE_DESCRIPTION( DRIVER_DESC ); diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c index fe858711651c..284b85461410 100644 --- a/drivers/usb/misc/adutux.c +++ b/drivers/usb/misc/adutux.c @@ -885,40 +885,7 @@ static struct usb_driver adu_driver = { .id_table = device_table, }; -static int __init adu_init(void) -{ - int result; - - dbg(2," %s : enter", __func__); - - /* register this driver with the USB subsystem */ - result = usb_register(&adu_driver); - if (result < 0) { - printk(KERN_ERR "usb_register failed for the "__FILE__ - " driver. Error number %d\n", result); - goto exit; - } - - printk(KERN_INFO "adutux " DRIVER_DESC " " DRIVER_VERSION "\n"); - printk(KERN_INFO "adutux is an experimental driver. " - "Use at your own risk\n"); - -exit: - dbg(2," %s : leave, return value %d", __func__, result); - - return result; -} - -static void __exit adu_exit(void) -{ - dbg(2," %s : enter", __func__); - /* deregister this driver with the USB subsystem */ - usb_deregister(&adu_driver); - dbg(2," %s : leave", __func__); -} - -module_init(adu_init); -module_exit(adu_exit); +module_usb_driver(adu_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c index 9251773ecef4..3f7c1a92579f 100644 --- a/drivers/usb/misc/cypress_cy7c63.c +++ b/drivers/usb/misc/cypress_cy7c63.c @@ -271,27 +271,7 @@ static struct usb_driver cypress_driver = { .id_table = cypress_table, }; -static int __init cypress_init(void) -{ - int result; - - /* register this driver with the USB subsystem */ - result = usb_register(&cypress_driver); - if (result) - printk(KERN_ERR KBUILD_MODNAME ": usb_register failed! " - "Error number: %d\n", result); - - return result; -} - -static void __exit cypress_exit(void) -{ - /* deregister this driver with the USB subsystem */ - usb_deregister(&cypress_driver); -} - -module_init(cypress_init); -module_exit(cypress_exit); +module_usb_driver(cypress_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c index 1d7251bc1b5f..5b9831b95d97 100644 --- a/drivers/usb/misc/cytherm.c +++ b/drivers/usb/misc/cytherm.c @@ -417,31 +417,7 @@ static void cytherm_disconnect(struct usb_interface *interface) dev_info(&interface->dev, "Cypress thermometer now disconnected\n"); } - -static int __init usb_cytherm_init(void) -{ - int result; - - result = usb_register(&cytherm_driver); - if (result) { - printk(KERN_ERR KBUILD_MODNAME ": usb_register failed! " - "Error number: %d\n", result); - return result; - } - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -} - -static void __exit usb_cytherm_exit(void) -{ - usb_deregister(&cytherm_driver); -} - - -module_init (usb_cytherm_init); -module_exit (usb_cytherm_exit); +module_usb_driver(cytherm_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c index a6521c95f683..d9b6a0355443 100644 --- a/drivers/usb/misc/emi26.c +++ b/drivers/usb/misc/emi26.c @@ -276,18 +276,7 @@ static struct usb_driver emi26_driver = { .id_table = id_table, }; -static int __init emi26_init (void) -{ - return usb_register(&emi26_driver); -} - -static void __exit emi26_exit (void) -{ - usb_deregister (&emi26_driver); -} - -module_init(emi26_init); -module_exit(emi26_exit); +module_usb_driver(emi26_driver); MODULE_AUTHOR("Tapio Laxström"); MODULE_DESCRIPTION("Emagic EMI 2|6 firmware loader."); diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c index fc15ad4c3139..9f39062ebb08 100644 --- a/drivers/usb/misc/emi62.c +++ b/drivers/usb/misc/emi62.c @@ -290,22 +290,7 @@ static struct usb_driver emi62_driver = { .id_table = id_table, }; -static int __init emi62_init (void) -{ - int retval; - retval = usb_register (&emi62_driver); - if (retval) - printk(KERN_ERR "adi-emi: registration failed\n"); - return retval; -} - -static void __exit emi62_exit (void) -{ - usb_deregister (&emi62_driver); -} - -module_init(emi62_init); -module_exit(emi62_exit); +module_usb_driver(emi62_driver); MODULE_AUTHOR("Tapio Laxström"); MODULE_DESCRIPTION("Emagic EMI 6|2m firmware loader."); diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 2dbe600fbc11..a4a3c7cd4a11 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -53,7 +53,7 @@ MODULE_AUTHOR("Tony Olech"); MODULE_DESCRIPTION("FTDI ELAN driver"); MODULE_LICENSE("GPL"); #define INT_MODULE_PARM(n, v) static int n = v;module_param(n, int, 0444) -static int distrust_firmware = 1; +static bool distrust_firmware = 1; module_param(distrust_firmware, bool, 0); MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurren" "t setup"); diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index 515b67fffab1..0dee24698504 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -428,29 +428,7 @@ static void idmouse_disconnect(struct usb_interface *interface) dev_info(&interface->dev, "disconnected\n"); } -static int __init usb_idmouse_init(void) -{ - int result; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - - /* register this driver with the USB subsystem */ - result = usb_register(&idmouse_driver); - if (result) - err("Unable to register device (error %d).", result); - - return result; -} - -static void __exit usb_idmouse_exit(void) -{ - /* deregister this driver with the USB subsystem */ - usb_deregister(&idmouse_driver); -} - -module_init(usb_idmouse_init); -module_exit(usb_idmouse_exit); +module_usb_driver(idmouse_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 81457904d6ba..4fd0dc835ae5 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -62,7 +62,7 @@ MODULE_LICENSE("GPL"); /* Module parameters */ static DEFINE_MUTEX(iowarrior_mutex); -static int debug = 0; +static bool debug = 0; module_param(debug, bool, 0644); MODULE_PARM_DESC(debug, "debug=1 enables debugging messages"); @@ -734,7 +734,7 @@ static const struct file_operations iowarrior_fops = { .llseek = noop_llseek, }; -static char *iowarrior_devnode(struct device *dev, mode_t *mode) +static char *iowarrior_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); } @@ -927,15 +927,4 @@ static struct usb_driver iowarrior_driver = { .id_table = iowarrior_ids, }; -static int __init iowarrior_init(void) -{ - return usb_register(&iowarrior_driver); -} - -static void __exit iowarrior_exit(void) -{ - usb_deregister(&iowarrior_driver); -} - -module_init(iowarrior_init); -module_exit(iowarrior_exit); +module_usb_driver(iowarrior_driver); diff --git a/drivers/usb/misc/isight_firmware.c b/drivers/usb/misc/isight_firmware.c index fe1d44319d0a..1c61830e96f9 100644 --- a/drivers/usb/misc/isight_firmware.c +++ b/drivers/usb/misc/isight_firmware.c @@ -55,8 +55,9 @@ static int isight_firmware_load(struct usb_interface *intf, ptr = firmware->data; + buf[0] = 0x01; if (usb_control_msg - (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, "\1", 1, + (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, buf, 1, 300) != 1) { printk(KERN_ERR "Failed to initialise isight firmware loader\n"); @@ -100,8 +101,9 @@ static int isight_firmware_load(struct usb_interface *intf, } } + buf[0] = 0x00; if (usb_control_msg - (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, "\0", 1, + (dev, usb_sndctrlpipe(dev, 0), 0xa0, 0x40, 0xe600, 0, buf, 1, 300) != 1) { printk(KERN_ERR "isight firmware loading completion failed\n"); ret = -ENODEV; @@ -126,18 +128,7 @@ static struct usb_driver isight_firmware_driver = { .id_table = id_table, }; -static int __init isight_firmware_init(void) -{ - return usb_register(&isight_firmware_driver); -} - -static void __exit isight_firmware_exit(void) -{ - usb_deregister(&isight_firmware_driver); -} - -module_init(isight_firmware_init); -module_exit(isight_firmware_exit); +module_usb_driver(isight_firmware_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>"); diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 48c166f0d764..5db4ab52061e 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -821,30 +821,5 @@ static struct usb_driver ld_usb_driver = { .id_table = ld_usb_table, }; -/** - * ld_usb_init - */ -static int __init ld_usb_init(void) -{ - int retval; - - /* register this driver with the USB subsystem */ - retval = usb_register(&ld_usb_driver); - if (retval) - err("usb_register failed for the %s driver. Error number %d\n", __FILE__, retval); - - return retval; -} - -/** - * ld_usb_exit - */ -static void __exit ld_usb_exit(void) -{ - /* deregister this driver with the USB subsystem */ - usb_deregister(&ld_usb_driver); -} - -module_init(ld_usb_init); -module_exit(ld_usb_exit); +module_usb_driver(ld_usb_driver); diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index a989356f693e..575222042767 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -269,7 +269,7 @@ static const struct file_operations tower_fops = { .llseek = tower_llseek, }; -static char *legousbtower_devnode(struct device *dev, mode_t *mode) +static char *legousbtower_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); } @@ -1043,51 +1043,7 @@ static void tower_disconnect (struct usb_interface *interface) dbg(2, "%s: leave", __func__); } - - -/** - * lego_usb_tower_init - */ -static int __init lego_usb_tower_init(void) -{ - int result; - int retval = 0; - - dbg(2, "%s: enter", __func__); - - /* register this driver with the USB subsystem */ - result = usb_register(&tower_driver); - if (result < 0) { - err("usb_register failed for the %s driver. Error number %d", __FILE__, result); - retval = -1; - goto exit; - } - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - -exit: - dbg(2, "%s: leave, return value %d", __func__, retval); - - return retval; -} - - -/** - * lego_usb_tower_exit - */ -static void __exit lego_usb_tower_exit(void) -{ - dbg(2, "%s: enter", __func__); - - /* deregister this driver with the USB subsystem */ - usb_deregister (&tower_driver); - - dbg(2, "%s: leave", __func__); -} - -module_init (lego_usb_tower_init); -module_exit (lego_usb_tower_exit); +module_usb_driver(tower_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c index 4e23d3841b43..487a8ce0775e 100644 --- a/drivers/usb/misc/rio500.c +++ b/drivers/usb/misc/rio500.c @@ -531,33 +531,7 @@ static struct usb_driver rio_driver = { .id_table = rio_table, }; -static int __init usb_rio_init(void) -{ - int retval; - retval = usb_register(&rio_driver); - if (retval) - goto out; - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - -out: - return retval; -} - - -static void __exit usb_rio_cleanup(void) -{ - struct rio_usb_data *rio = &rio_instance; - - rio->present = 0; - usb_deregister(&rio_driver); - - -} - -module_init(usb_rio_init); -module_exit(usb_rio_cleanup); +module_usb_driver(rio_driver); MODULE_AUTHOR( DRIVER_AUTHOR ); MODULE_DESCRIPTION( DRIVER_DESC ); diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c index f63776a48e2a..741efed4a236 100644 --- a/drivers/usb/misc/trancevibrator.c +++ b/drivers/usb/misc/trancevibrator.c @@ -137,26 +137,7 @@ static struct usb_driver tv_driver = { .id_table = id_table, }; -static int __init tv_init(void) -{ - int retval = usb_register(&tv_driver); - if (retval) { - err("usb_register failed. Error number %d", retval); - return retval; - } - - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":" - DRIVER_DESC "\n"); - return 0; -} - -static void __exit tv_exit(void) -{ - usb_deregister(&tv_driver); -} - -module_init (tv_init); -module_exit (tv_exit); +module_usb_driver(tv_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c index 1871cdf10da3..e2b4bd31c2b6 100644 --- a/drivers/usb/misc/usblcd.c +++ b/drivers/usb/misc/usblcd.c @@ -450,25 +450,7 @@ static struct usb_driver lcd_driver = { .supports_autosuspend = 1, }; -static int __init usb_lcd_init(void) -{ - int result; - - result = usb_register(&lcd_driver); - if (result) - err("usb_register failed. Error number %d", result); - - return result; -} - - -static void __exit usb_lcd_exit(void) -{ - usb_deregister(&lcd_driver); -} - -module_init(usb_lcd_init); -module_exit(usb_lcd_exit); +module_usb_driver(lcd_driver); MODULE_AUTHOR("Georges Toth <g.toth@e-biz.lu>"); MODULE_DESCRIPTION(DRIVER_VERSION); diff --git a/drivers/usb/misc/usbled.c b/drivers/usb/misc/usbled.c index 43f84e50d514..12d03e7ad636 100644 --- a/drivers/usb/misc/usbled.c +++ b/drivers/usb/misc/usbled.c @@ -31,6 +31,8 @@ static const struct usb_device_id id_table[] = { .driver_info = DELCOM_VISUAL_SIGNAL_INDICATOR }, { USB_DEVICE(0x1d34, 0x0004), .driver_info = DREAM_CHEEKY_WEBMAIL_NOTIFIER }, + { USB_DEVICE(0x1d34, 0x000a), + .driver_info = DREAM_CHEEKY_WEBMAIL_NOTIFIER }, { }, }; MODULE_DEVICE_TABLE(usb, id_table); @@ -231,23 +233,7 @@ static struct usb_driver led_driver = { .id_table = id_table, }; -static int __init usb_led_init(void) -{ - int retval = 0; - - retval = usb_register(&led_driver); - if (retval) - err("usb_register failed. Error number %d", retval); - return retval; -} - -static void __exit usb_led_exit(void) -{ - usb_deregister(&led_driver); -} - -module_init(usb_led_init); -module_exit(usb_led_exit); +module_usb_driver(led_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c index 417b8f207e8b..107bf13b1cf1 100644 --- a/drivers/usb/misc/usbsevseg.c +++ b/drivers/usb/misc/usbsevseg.c @@ -437,23 +437,7 @@ static struct usb_driver sevseg_driver = { .supports_autosuspend = 1, }; -static int __init usb_sevseg_init(void) -{ - int rc = 0; - - rc = usb_register(&sevseg_driver); - if (rc) - err("usb_register failed. Error number %d", rc); - return rc; -} - -static void __exit usb_sevseg_exit(void) -{ - usb_deregister(&sevseg_driver); -} - -module_init(usb_sevseg_init); -module_exit(usb_sevseg_exit); +module_usb_driver(sevseg_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index bd6d00802eab..959145baf3cf 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -1765,7 +1765,6 @@ static int test_unaligned_bulk( * off just killing the userspace task and waiting for it to exit. */ -/* No BKL needed */ static int usbtest_ioctl(struct usb_interface *intf, unsigned int code, void *buf) { diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index ac5bfd619e62..897edda42270 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -539,26 +539,6 @@ static const struct file_operations yurex_fops = { .llseek = default_llseek, }; - -static int __init usb_yurex_init(void) -{ - int result; - - /* register this driver with the USB subsystem */ - result = usb_register(&yurex_driver); - if (result) - err("usb_register failed. Error number %d", result); - - return result; -} - -static void __exit usb_yurex_exit(void) -{ - /* deregister this driver with the USB subsystem */ - usb_deregister(&yurex_driver); -} - -module_init(usb_yurex_init); -module_exit(usb_yurex_exit); +module_usb_driver(yurex_driver); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index fc34b8b11910..f70cab3beeec 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -5,13 +5,13 @@ # (M)HDRC = (Multipoint) Highspeed Dual-Role Controller config USB_MUSB_HDRC + tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' depends on USB && USB_GADGET - depends on (ARM || (BF54x && !BF544) || (BF52x && !BF522 && !BF523)) select NOP_USB_XCEIV if (ARCH_DAVINCI || MACH_OMAP3EVM || BLACKFIN) select TWL4030_USB if MACH_OMAP_3430SDP select TWL6030_USB if MACH_OMAP_4430SDP || MACH_OMAP4_PANDA select USB_OTG_UTILS - tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' + select USB_GADGET_DUALSPEED help Say Y here if your system has a dual role high speed USB controller based on the Mentor Graphics silicon IP. Then @@ -30,9 +30,10 @@ config USB_MUSB_HDRC To compile this driver as a module, choose M here; the module will be called "musb-hdrc". +if USB_MUSB_HDRC + choice prompt "Platform Glue Layer" - depends on USB_MUSB_HDRC config USB_MUSB_DAVINCI tristate "DaVinci" @@ -44,7 +45,6 @@ config USB_MUSB_DA8XX config USB_MUSB_TUSB6010 tristate "TUSB6010" - depends on ARCH_OMAP config USB_MUSB_OMAP2PLUS tristate "OMAP2430 and onwards" @@ -60,50 +60,58 @@ config USB_MUSB_BLACKFIN config USB_MUSB_UX500 tristate "U8500 and U5500" - depends on (ARCH_U8500 && AB8500_USB) || (ARCH_U5500) + depends on (ARCH_U8500 && AB8500_USB) endchoice -config MUSB_PIO_ONLY - bool 'Disable DMA (always use PIO)' - depends on USB_MUSB_HDRC - default USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X +choice + prompt 'MUSB DMA mode' + default USB_UX500_DMA if USB_MUSB_UX500 + default USB_INVENTRA_DMA if USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN + default USB_TI_CPPI_DMA if USB_MUSB_DAVINCI + default USB_TUSB_OMAP_DMA if USB_MUSB_TUSB6010 + default MUSB_PIO_ONLY if USB_MUSB_TUSB6010 || USB_MUSB_DA8XX || USB_MUSB_AM35X help - All data is copied between memory and FIFO by the CPU. - DMA controllers are ignored. - - Do not select 'n' here unless DMA support for your SOC or board - is unavailable (or unstable). When DMA is enabled at compile time, - you can still disable it at run time using the "use_dma=n" module - parameter. + Unfortunately, only one option can be enabled here. Ideally one + should be able to build all these drivers into one kernel to + allow using DMA on multiplatform kernels. config USB_UX500_DMA - bool - depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY - default USB_MUSB_UX500 + bool 'ST Ericsson U8500 and U5500' + depends on USB_MUSB_UX500 help Enable DMA transfers on UX500 platforms. config USB_INVENTRA_DMA - bool - depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY - default USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN + bool 'Inventra' + depends on USB_MUSB_OMAP2PLUS || USB_MUSB_BLACKFIN help Enable DMA transfers using Mentor's engine. config USB_TI_CPPI_DMA - bool - depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY - default USB_MUSB_DAVINCI + bool 'TI CPPI (Davinci)' + depends on USB_MUSB_DAVINCI help Enable DMA transfers when TI CPPI DMA is available. config USB_TUSB_OMAP_DMA - bool - depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY + bool 'TUSB 6010' depends on USB_MUSB_TUSB6010 depends on ARCH_OMAP - default y help Enable DMA transfers on TUSB 6010 when OMAP DMA is available. +config MUSB_PIO_ONLY + bool 'Disable DMA (always use PIO)' + help + All data is copied between memory and FIFO by the CPU. + DMA controllers are ignored. + + Do not choose this unless DMA support for your SOC or board + is unavailable (or unstable). When DMA is enabled at compile time, + you can still disable it at run time using the "use_dma=n" module + parameter. + +endchoice + +endif # USB_MUSB_HDRC diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile index d8fd9d092dec..88bfb9dee4bf 100644 --- a/drivers/usb/musb/Makefile +++ b/drivers/usb/musb/Makefile @@ -24,25 +24,7 @@ obj-$(CONFIG_USB_MUSB_UX500) += ux500.o # PIO only, or DMA (several potential schemes). # though PIO is always there to back up DMA, and for ep0 -ifneq ($(CONFIG_MUSB_PIO_ONLY),y) - - ifeq ($(CONFIG_USB_INVENTRA_DMA),y) - musb_hdrc-y += musbhsdma.o - - else - ifeq ($(CONFIG_USB_TI_CPPI_DMA),y) - musb_hdrc-y += cppi_dma.o - - else - ifeq ($(CONFIG_USB_TUSB_OMAP_DMA),y) - musb_hdrc-y += tusb6010_omap.o - - else - ifeq ($(CONFIG_USB_UX500_DMA),y) - musb_hdrc-y += ux500_dma.o - - endif - endif - endif - endif -endif +musb_hdrc-$(CONFIG_USB_INVENTRA_DMA) += musbhsdma.o +musb_hdrc-$(CONFIG_USB_TI_CPPI_DMA) += cppi_dma.o +musb_hdrc-$(CONFIG_USB_TUSB_OMAP_DMA) += tusb6010_omap.o +musb_hdrc-$(CONFIG_USB_UX500_DMA) += ux500_dma.o diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c index 08f1d0b662a3..e233d2b7d335 100644 --- a/drivers/usb/musb/am35x.c +++ b/drivers/usb/musb/am35x.c @@ -27,6 +27,7 @@ */ #include <linux/init.h> +#include <linux/module.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/platform_device.h> diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index 318fb4e8a885..66bc376005d2 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -513,7 +513,7 @@ static inline int cppi_autoreq_update(struct cppi_channel *rx, if (!(val & MUSB_RXCSR_H_REQPKT)) { val |= MUSB_RXCSR_H_REQPKT | MUSB_RXCSR_H_WZC_BITS; musb_writew(regs, MUSB_RXCSR, val); - /* flush writebufer */ + /* flush writebuffer */ val = musb_readw(regs, MUSB_RXCSR); } } @@ -750,7 +750,7 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx) * So this module parameter lets the heuristic be disabled. When using * gadgetfs, the heuristic will probably need to be disabled. */ -static int cppi_rx_rndis = 1; +static bool cppi_rx_rndis = 1; module_param(cppi_rx_rndis, bool, 0); MODULE_PARM_DESC(cppi_rx_rndis, "enable/disable RX RNDIS heuristic"); diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 4da7492ddbdb..2613bfdb09b6 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -27,6 +27,7 @@ */ #include <linux/init.h> +#include <linux/module.h> #include <linux/clk.h> #include <linux/io.h> #include <linux/platform_device.h> diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 20a28731c338..56cf0243979e 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -661,7 +661,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, handled = IRQ_HANDLED; musb->is_active = 1; - set_bit(HCD_FLAG_SAW_IRQ, &hcd->flags); musb->ep0_stage = MUSB_EP0_START; @@ -1432,7 +1431,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) struct musb_hw_ep *hw_ep = musb->endpoints + i; hw_ep->fifo = MUSB_FIFO_OFFSET(i) + mbase; -#ifdef CONFIG_USB_MUSB_TUSB6010 +#if defined(CONFIG_USB_MUSB_TUSB6010) || defined (CONFIG_USB_MUSB_TUSB6010_MODULE) hw_ep->fifo_async = musb->async + 0x400 + MUSB_FIFO_OFFSET(i); hw_ep->fifo_sync = musb->sync + 0x400 + MUSB_FIFO_OFFSET(i); hw_ep->fifo_sync_va = @@ -1477,8 +1476,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb) /*-------------------------------------------------------------------------*/ #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_SOC_OMAP3430) || \ - defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500) || \ - defined(CONFIG_ARCH_U5500) + defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_ARCH_U8500) static irqreturn_t generic_interrupt(int irq, void *__hci) { @@ -1588,7 +1586,7 @@ irqreturn_t musb_interrupt(struct musb *musb) EXPORT_SYMBOL_GPL(musb_interrupt); #ifndef CONFIG_MUSB_PIO_ONLY -static int __initdata use_dma = 1; +static bool __initdata use_dma = 1; /* "modprobe ... use_dma=0" etc */ module_param(use_dma, bool, 0); @@ -1632,6 +1630,7 @@ void musb_dma_completion(struct musb *musb, u8 epnum, u8 transmit) } } } +EXPORT_SYMBOL_GPL(musb_dma_completion); #else #define use_dma 0 @@ -2013,8 +2012,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) if (status < 0) goto fail3; - pm_runtime_put(musb->controller); - status = musb_init_debugfs(musb); if (status < 0) goto fail4; @@ -2159,6 +2156,7 @@ static void musb_save_context(struct musb *musb) if (!epio) continue; + musb_writeb(musb_base, MUSB_INDEX, i); musb->context.index_regs[i].txmaxp = musb_readw(epio, MUSB_TXMAXP); musb->context.index_regs[i].txcsr = @@ -2234,6 +2232,7 @@ static void musb_restore_context(struct musb *musb) if (!epio) continue; + musb_writeb(musb_base, MUSB_INDEX, i); musb_writew(epio, MUSB_TXMAXP, musb->context.index_regs[i].txmaxp); musb_writew(epio, MUSB_TXCSR, @@ -2302,18 +2301,12 @@ static int musb_suspend(struct device *dev) */ } - musb_save_context(musb); - spin_unlock_irqrestore(&musb->lock, flags); return 0; } static int musb_resume_noirq(struct device *dev) { - struct musb *musb = dev_to_musb(dev); - - musb_restore_context(musb); - /* for static cmos like DaVinci, register values were preserved * unless for some reason the whole soc powered down or the USB * module got reset through the PSC (vs just being disabled). diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index b3c065ab9dbc..3d28fb8a2dc9 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -40,7 +40,6 @@ #include <linux/interrupt.h> #include <linux/errno.h> #include <linux/timer.h> -#include <linux/clk.h> #include <linux/device.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> @@ -311,6 +310,7 @@ struct musb_context_registers { u8 index, testmode; u8 devctl, busctl, misc; + u32 otg_interfsel; struct musb_csr_regs index_regs[MUSB_C_NUM_EPS]; }; @@ -327,6 +327,7 @@ struct musb { irqreturn_t (*isr)(int, void *); struct work_struct irq_work; + struct work_struct otg_notifier_work; u16 hwvers; /* this hub status bit is reserved by USB 2.0 and not seen by usbcore */ @@ -372,6 +373,7 @@ struct musb { u16 int_tx; struct otg_transceiver *xceiv; + u8 xceiv_event; int nIrq; unsigned irq_wake:1; diff --git a/drivers/usb/musb/musb_debug.h b/drivers/usb/musb/musb_debug.h index 742eada5002e..27ba8f799462 100644 --- a/drivers/usb/musb/musb_debug.h +++ b/drivers/usb/musb/musb_debug.h @@ -43,8 +43,8 @@ #define ERR(fmt, args...) yprintk(KERN_ERR, fmt, ## args) #ifdef CONFIG_DEBUG_FS -extern int musb_init_debugfs(struct musb *musb); -extern void musb_exit_debugfs(struct musb *musb); +int musb_init_debugfs(struct musb *musb); +void musb_exit_debugfs(struct musb *musb); #else static inline int musb_init_debugfs(struct musb *musb) { diff --git a/drivers/usb/musb/musb_debugfs.c b/drivers/usb/musb/musb_debugfs.c index 61f4ee466df7..13d9af9bf920 100644 --- a/drivers/usb/musb/musb_debugfs.c +++ b/drivers/usb/musb/musb_debugfs.c @@ -33,11 +33,7 @@ #include <linux/module.h> #include <linux/kernel.h> -#include <linux/sched.h> #include <linux/init.h> -#include <linux/list.h> -#include <linux/platform_device.h> -#include <linux/io.h> #include <linux/debugfs.h> #include <linux/seq_file.h> @@ -46,10 +42,6 @@ #include "musb_core.h" #include "musb_debug.h" -#ifdef CONFIG_ARCH_DAVINCI -#include "davinci.h" -#endif - struct musb_register_map { char *name; unsigned offset; diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index ae4a20acef6c..ac3d2eec20fe 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -40,8 +40,6 @@ #include <linux/smp.h> #include <linux/spinlock.h> #include <linux/delay.h> -#include <linux/moduleparam.h> -#include <linux/stat.h> #include <linux/dma-mapping.h> #include <linux/slab.h> @@ -1844,7 +1842,7 @@ int __init musb_gadget_setup(struct musb *musb) */ musb->g.ops = &musb_gadget_operations; - musb->g.is_dualspeed = 1; + musb->g.max_speed = USB_SPEED_HIGH; musb->g.speed = USB_SPEED_UNKNOWN; /* this "gadget" abstracts/virtualizes the controller */ @@ -1903,7 +1901,7 @@ static int musb_gadget_start(struct usb_gadget *g, unsigned long flags; int retval = -EINVAL; - if (driver->speed != USB_SPEED_HIGH) + if (driver->max_speed < USB_SPEED_HIGH) goto err0; pm_runtime_get_sync(musb->controller); @@ -1999,10 +1997,6 @@ static void stop_activity(struct musb *musb, struct usb_gadget_driver *driver) nuke(&hw_ep->ep_out, -ESHUTDOWN); } } - - spin_unlock(&musb->lock); - driver->disconnect(&musb->g); - spin_lock(&musb->lock); } } diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index 6a0d0467ec74..e40d7647caf1 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -37,7 +37,6 @@ #include <linux/list.h> #include <linux/timer.h> #include <linux/spinlock.h> -#include <linux/init.h> #include <linux/device.h> #include <linux/interrupt.h> diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 60ddba8066ea..79cb0af779fa 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -774,6 +774,10 @@ static void musb_ep_program(struct musb *musb, u8 epnum, if (musb->double_buffer_not_ok) musb_writew(epio, MUSB_TXMAXP, hw_ep->max_packet_sz_tx); + else if (can_bulk_split(musb, qh->type)) + musb_writew(epio, MUSB_TXMAXP, packet_sz + | ((hw_ep->max_packet_sz_tx / + packet_sz) - 1) << 11); else musb_writew(epio, MUSB_TXMAXP, qh->maxpacket | diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h index 03c6ccdbb3be..e61aa95f2d2a 100644 --- a/drivers/usb/musb/musb_io.h +++ b/drivers/usb/musb/musb_io.h @@ -74,7 +74,7 @@ static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data) { __raw_writel(data, addr + offset); } -#ifdef CONFIG_USB_MUSB_TUSB6010 +#if defined(CONFIG_USB_MUSB_TUSB6010) || defined (CONFIG_USB_MUSB_TUSB6010_MODULE) /* * TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum. diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index ba85f273e487..c27bbbf32b52 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -29,7 +29,6 @@ #include <linux/sched.h> #include <linux/init.h> #include <linux/list.h> -#include <linux/clk.h> #include <linux/io.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> @@ -228,21 +227,25 @@ static int musb_otg_notifications(struct notifier_block *nb, unsigned long event, void *unused) { struct musb *musb = container_of(nb, struct musb, nb); + + musb->xceiv_event = event; + schedule_work(&musb->otg_notifier_work); + + return 0; +} + +static void musb_otg_notifier_work(struct work_struct *data_notifier_work) +{ + struct musb *musb = container_of(data_notifier_work, struct musb, otg_notifier_work); struct device *dev = musb->controller; struct musb_hdrc_platform_data *pdata = dev->platform_data; struct omap_musb_board_data *data = pdata->board_data; - switch (event) { + switch (musb->xceiv_event) { case USB_EVENT_ID: dev_dbg(musb->controller, "ID GND\n"); - if (is_otg_enabled(musb)) { - if (musb->gadget_driver) { - pm_runtime_get_sync(musb->controller); - otg_init(musb->xceiv); - omap2430_musb_set_vbus(musb, 1); - } - } else { + if (!is_otg_enabled(musb) || musb->gadget_driver) { pm_runtime_get_sync(musb->controller); otg_init(musb->xceiv); omap2430_musb_set_vbus(musb, 1); @@ -274,10 +277,7 @@ static int musb_otg_notifications(struct notifier_block *nb, break; default: dev_dbg(musb->controller, "ID float\n"); - return NOTIFY_DONE; } - - return NOTIFY_OK; } static int omap2430_musb_init(struct musb *musb) @@ -297,6 +297,8 @@ static int omap2430_musb_init(struct musb *musb) return -ENODEV; } + INIT_WORK(&musb->otg_notifier_work, musb_otg_notifier_work); + status = pm_runtime_get_sync(dev); if (status < 0) { dev_err(dev, "pm_runtime_get_sync FAILED"); @@ -334,7 +336,6 @@ static int omap2430_musb_init(struct musb *musb) return 0; err1: - pm_runtime_disable(dev); return status; } @@ -350,20 +351,19 @@ static void omap2430_musb_enable(struct musb *musb) case USB_EVENT_ID: otg_init(musb->xceiv); - if (data->interface_type == MUSB_INTERFACE_UTMI) { - devctl = musb_readb(musb->mregs, MUSB_DEVCTL); - /* start the session */ - devctl |= MUSB_DEVCTL_SESSION; - musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); - while (musb_readb(musb->mregs, MUSB_DEVCTL) & - MUSB_DEVCTL_BDEVICE) { - cpu_relax(); - - if (time_after(jiffies, timeout)) { - dev_err(musb->controller, - "configured as A device timeout"); - break; - } + if (data->interface_type != MUSB_INTERFACE_UTMI) + break; + devctl = musb_readb(musb->mregs, MUSB_DEVCTL); + /* start the session */ + devctl |= MUSB_DEVCTL_SESSION; + musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); + while (musb_readb(musb->mregs, MUSB_DEVCTL) & + MUSB_DEVCTL_BDEVICE) { + cpu_relax(); + + if (time_after(jiffies, timeout)) { + dev_err(dev, "configured as A device timeout"); + break; } } break; @@ -478,7 +478,6 @@ static int __exit omap2430_remove(struct platform_device *pdev) platform_device_del(glue->musb); platform_device_put(glue->musb); pm_runtime_put(&pdev->dev); - pm_runtime_disable(&pdev->dev); kfree(glue); return 0; @@ -491,6 +490,9 @@ static int omap2430_runtime_suspend(struct device *dev) struct omap2430_glue *glue = dev_get_drvdata(dev); struct musb *musb = glue_to_musb(glue); + musb->context.otg_interfsel = musb_readl(musb->mregs, + OTG_INTERFSEL); + omap2430_low_level_exit(musb); otg_set_suspend(musb->xceiv, 1); @@ -503,6 +505,9 @@ static int omap2430_runtime_resume(struct device *dev) struct musb *musb = glue_to_musb(glue); omap2430_low_level_init(musb); + musb_writel(musb->mregs, OTG_INTERFSEL, + musb->context.otg_interfsel); + otg_set_suspend(musb->xceiv, 0); return 0; diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index ec1480191f78..1f405616e6cd 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -56,6 +56,7 @@ u8 tusb_get_revision(struct musb *musb) return rev; } +EXPORT_SYMBOL_GPL(tusb_get_revision); static int tusb_print_revision(struct musb *musb) { diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c index ef4333f4bbe0..a163632877af 100644 --- a/drivers/usb/musb/ux500_dma.c +++ b/drivers/usb/musb/ux500_dma.c @@ -37,7 +37,6 @@ struct ux500_dma_channel { struct dma_channel channel; struct ux500_dma_controller *controller; struct musb_hw_ep *hw_ep; - struct work_struct channel_work; struct dma_chan *dma_chan; unsigned int cur_len; dma_cookie_t cookie; @@ -56,31 +55,11 @@ struct ux500_dma_controller { dma_addr_t phy_base; }; -/* Work function invoked from DMA callback to handle tx transfers. */ -static void ux500_tx_work(struct work_struct *data) -{ - struct ux500_dma_channel *ux500_channel = container_of(data, - struct ux500_dma_channel, channel_work); - struct musb_hw_ep *hw_ep = ux500_channel->hw_ep; - struct musb *musb = hw_ep->musb; - unsigned long flags; - - dev_dbg(musb->controller, "DMA tx transfer done on hw_ep=%d\n", - hw_ep->epnum); - - spin_lock_irqsave(&musb->lock, flags); - ux500_channel->channel.actual_len = ux500_channel->cur_len; - ux500_channel->channel.status = MUSB_DMA_STATUS_FREE; - musb_dma_completion(musb, hw_ep->epnum, - ux500_channel->is_tx); - spin_unlock_irqrestore(&musb->lock, flags); -} - /* Work function invoked from DMA callback to handle rx transfers. */ -static void ux500_rx_work(struct work_struct *data) +void ux500_dma_callback(void *private_data) { - struct ux500_dma_channel *ux500_channel = container_of(data, - struct ux500_dma_channel, channel_work); + struct dma_channel *channel = private_data; + struct ux500_dma_channel *ux500_channel = channel->private_data; struct musb_hw_ep *hw_ep = ux500_channel->hw_ep; struct musb *musb = hw_ep->musb; unsigned long flags; @@ -94,14 +73,7 @@ static void ux500_rx_work(struct work_struct *data) musb_dma_completion(musb, hw_ep->epnum, ux500_channel->is_tx); spin_unlock_irqrestore(&musb->lock, flags); -} - -void ux500_dma_callback(void *private_data) -{ - struct dma_channel *channel = (struct dma_channel *)private_data; - struct ux500_dma_channel *ux500_channel = channel->private_data; - schedule_work(&ux500_channel->channel_work); } static bool ux500_configure_channel(struct dma_channel *channel, @@ -330,7 +302,6 @@ static int ux500_dma_controller_start(struct dma_controller *c) void **param_array; struct ux500_dma_channel *channel_array; u32 ch_count; - void (*musb_channel_work)(struct work_struct *); dma_cap_mask_t mask; if ((data->num_rx_channels > UX500_MUSB_DMA_NUM_RX_CHANNELS) || @@ -347,7 +318,6 @@ static int ux500_dma_controller_start(struct dma_controller *c) channel_array = controller->rx_channel; ch_count = data->num_rx_channels; param_array = data->dma_rx_param_array; - musb_channel_work = ux500_rx_work; for (dir = 0; dir < 2; dir++) { for (ch_num = 0; ch_num < ch_count; ch_num++) { @@ -374,15 +344,12 @@ static int ux500_dma_controller_start(struct dma_controller *c) return -EBUSY; } - INIT_WORK(&ux500_channel->channel_work, - musb_channel_work); } /* Prepare the loop for TX channels */ channel_array = controller->tx_channel; ch_count = data->num_tx_channels; param_array = data->dma_tx_param_array; - musb_channel_work = ux500_tx_work; is_tx = 1; } diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index c66481ad98d7..2a25955881fc 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -82,9 +82,9 @@ config NOP_USB_XCEIV tristate "NOP USB Transceiver Driver" select USB_OTG_UTILS help - this driver is to be used by all the usb transceiver which are either - built-in with usb ip or which are autonomous and doesn't require any - phy programming such as ISP1x04 etc. + This driver is to be used by all the usb transceiver which are either + built-in with usb ip or which are autonomous and doesn't require any + phy programming such as ISP1x04 etc. config USB_LANGWELL_OTG tristate "Intel Langwell USB OTG dual-role support" @@ -114,13 +114,13 @@ config USB_MSM_OTG has an external PHY. config AB8500_USB - tristate "AB8500 USB Transceiver Driver" - depends on AB8500_CORE - select USB_OTG_UTILS - help - Enable this to support the USB OTG transceiver in AB8500 chip. - This transceiver supports high and full speed devices plus, - in host mode, low speed. + tristate "AB8500 USB Transceiver Driver" + depends on AB8500_CORE + select USB_OTG_UTILS + help + Enable this to support the USB OTG transceiver in AB8500 chip. + This transceiver supports high and full speed devices plus, + in host mode, low speed. config FSL_USB2_OTG bool "Freescale USB OTG Transceiver Driver" @@ -130,4 +130,16 @@ config FSL_USB2_OTG help Enable this to support Freescale USB OTG transceiver. +config USB_MV_OTG + tristate "Marvell USB OTG support" + depends on USB_MV_UDC + select USB_OTG + select USB_OTG_UTILS + help + Say Y here if you want to build Marvell USB OTG transciever + driver in kernel (including PXA and MMP series). This driver + implements role switch between EHCI host driver and gadget driver. + + To compile this driver as a module, choose M here. + endif # USB || OTG diff --git a/drivers/usb/otg/Makefile b/drivers/usb/otg/Makefile index 566655c53331..b2c5a9598637 100644 --- a/drivers/usb/otg/Makefile +++ b/drivers/usb/otg/Makefile @@ -21,3 +21,4 @@ obj-$(CONFIG_USB_MSM_OTG) += msm_otg.o obj-$(CONFIG_AB8500_USB) += ab8500-usb.o fsl_usb2_otg-objs := fsl_otg.o otg_fsm.o obj-$(CONFIG_FSL_USB2_OTG) += fsl_usb2_otg.o +obj-$(CONFIG_USB_MV_OTG) += mv_otg.o diff --git a/drivers/usb/otg/ab8500-usb.c b/drivers/usb/otg/ab8500-usb.c index 07ccea9ada40..74fe6e62e0f7 100644 --- a/drivers/usb/otg/ab8500-usb.c +++ b/drivers/usb/otg/ab8500-usb.c @@ -30,7 +30,7 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/mfd/abx500.h> -#include <linux/mfd/ab8500.h> +#include <linux/mfd/abx500/ab8500.h> #define AB8500_MAIN_WD_CTRL_REG 0x01 #define AB8500_USB_LINE_STAT_REG 0x80 diff --git a/drivers/usb/otg/fsl_otg.c b/drivers/usb/otg/fsl_otg.c index 0f420b25e9a9..a190850d2d3b 100644 --- a/drivers/usb/otg/fsl_otg.c +++ b/drivers/usb/otg/fsl_otg.c @@ -639,7 +639,7 @@ static int fsl_otg_set_power(struct otg_transceiver *otg_p, unsigned mA) * Delayed pin detect interrupt processing. * * When the Mini-A cable is disconnected from the board, - * the pin-detect interrupt happens before the disconnnect + * the pin-detect interrupt happens before the disconnect * interrupts for the connected device(s). In order to * process the disconnect interrupt(s) prior to switching * roles, the pin-detect interrupts are delayed, and handled @@ -1151,18 +1151,7 @@ struct platform_driver fsl_otg_driver = { }, }; -static int __init fsl_usb_otg_init(void) -{ - pr_info(DRIVER_INFO "\n"); - return platform_driver_register(&fsl_otg_driver); -} -module_init(fsl_usb_otg_init); - -static void __exit fsl_usb_otg_exit(void) -{ - platform_driver_unregister(&fsl_otg_driver); -} -module_exit(fsl_usb_otg_exit); +module_platform_driver(fsl_otg_driver); MODULE_DESCRIPTION(DRIVER_INFO); MODULE_AUTHOR(DRIVER_AUTHOR); diff --git a/drivers/usb/otg/mv_otg.c b/drivers/usb/otg/mv_otg.c new file mode 100644 index 000000000000..db0d4fcdc8e2 --- /dev/null +++ b/drivers/usb/otg/mv_otg.c @@ -0,0 +1,957 @@ +/* + * Copyright (C) 2011 Marvell International Ltd. All rights reserved. + * Author: Chao Xie <chao.xie@marvell.com> + * Neil Zhang <zhangwm@marvell.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/uaccess.h> +#include <linux/device.h> +#include <linux/proc_fs.h> +#include <linux/clk.h> +#include <linux/workqueue.h> +#include <linux/platform_device.h> + +#include <linux/usb.h> +#include <linux/usb/ch9.h> +#include <linux/usb/otg.h> +#include <linux/usb/gadget.h> +#include <linux/usb/hcd.h> +#include <linux/platform_data/mv_usb.h> + +#include "mv_otg.h" + +#define DRIVER_DESC "Marvell USB OTG transceiver driver" +#define DRIVER_VERSION "Jan 20, 2010" + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_VERSION(DRIVER_VERSION); +MODULE_LICENSE("GPL"); + +static const char driver_name[] = "mv-otg"; + +static char *state_string[] = { + "undefined", + "b_idle", + "b_srp_init", + "b_peripheral", + "b_wait_acon", + "b_host", + "a_idle", + "a_wait_vrise", + "a_wait_bcon", + "a_host", + "a_suspend", + "a_peripheral", + "a_wait_vfall", + "a_vbus_err" +}; + +static int mv_otg_set_vbus(struct otg_transceiver *otg, bool on) +{ + struct mv_otg *mvotg = container_of(otg, struct mv_otg, otg); + if (mvotg->pdata->set_vbus == NULL) + return -ENODEV; + + return mvotg->pdata->set_vbus(on); +} + +static int mv_otg_set_host(struct otg_transceiver *otg, + struct usb_bus *host) +{ + otg->host = host; + + return 0; +} + +static int mv_otg_set_peripheral(struct otg_transceiver *otg, + struct usb_gadget *gadget) +{ + otg->gadget = gadget; + + return 0; +} + +static void mv_otg_run_state_machine(struct mv_otg *mvotg, + unsigned long delay) +{ + dev_dbg(&mvotg->pdev->dev, "transceiver is updated\n"); + if (!mvotg->qwork) + return; + + queue_delayed_work(mvotg->qwork, &mvotg->work, delay); +} + +static void mv_otg_timer_await_bcon(unsigned long data) +{ + struct mv_otg *mvotg = (struct mv_otg *) data; + + mvotg->otg_ctrl.a_wait_bcon_timeout = 1; + + dev_info(&mvotg->pdev->dev, "B Device No Response!\n"); + + if (spin_trylock(&mvotg->wq_lock)) { + mv_otg_run_state_machine(mvotg, 0); + spin_unlock(&mvotg->wq_lock); + } +} + +static int mv_otg_cancel_timer(struct mv_otg *mvotg, unsigned int id) +{ + struct timer_list *timer; + + if (id >= OTG_TIMER_NUM) + return -EINVAL; + + timer = &mvotg->otg_ctrl.timer[id]; + + if (timer_pending(timer)) + del_timer(timer); + + return 0; +} + +static int mv_otg_set_timer(struct mv_otg *mvotg, unsigned int id, + unsigned long interval, + void (*callback) (unsigned long)) +{ + struct timer_list *timer; + + if (id >= OTG_TIMER_NUM) + return -EINVAL; + + timer = &mvotg->otg_ctrl.timer[id]; + if (timer_pending(timer)) { + dev_err(&mvotg->pdev->dev, "Timer%d is already running\n", id); + return -EBUSY; + } + + init_timer(timer); + timer->data = (unsigned long) mvotg; + timer->function = callback; + timer->expires = jiffies + interval; + add_timer(timer); + + return 0; +} + +static int mv_otg_reset(struct mv_otg *mvotg) +{ + unsigned int loops; + u32 tmp; + + /* Stop the controller */ + tmp = readl(&mvotg->op_regs->usbcmd); + tmp &= ~USBCMD_RUN_STOP; + writel(tmp, &mvotg->op_regs->usbcmd); + + /* Reset the controller to get default values */ + writel(USBCMD_CTRL_RESET, &mvotg->op_regs->usbcmd); + + loops = 500; + while (readl(&mvotg->op_regs->usbcmd) & USBCMD_CTRL_RESET) { + if (loops == 0) { + dev_err(&mvotg->pdev->dev, + "Wait for RESET completed TIMEOUT\n"); + return -ETIMEDOUT; + } + loops--; + udelay(20); + } + + writel(0x0, &mvotg->op_regs->usbintr); + tmp = readl(&mvotg->op_regs->usbsts); + writel(tmp, &mvotg->op_regs->usbsts); + + return 0; +} + +static void mv_otg_init_irq(struct mv_otg *mvotg) +{ + u32 otgsc; + + mvotg->irq_en = OTGSC_INTR_A_SESSION_VALID + | OTGSC_INTR_A_VBUS_VALID; + mvotg->irq_status = OTGSC_INTSTS_A_SESSION_VALID + | OTGSC_INTSTS_A_VBUS_VALID; + + if (mvotg->pdata->vbus == NULL) { + mvotg->irq_en |= OTGSC_INTR_B_SESSION_VALID + | OTGSC_INTR_B_SESSION_END; + mvotg->irq_status |= OTGSC_INTSTS_B_SESSION_VALID + | OTGSC_INTSTS_B_SESSION_END; + } + + if (mvotg->pdata->id == NULL) { + mvotg->irq_en |= OTGSC_INTR_USB_ID; + mvotg->irq_status |= OTGSC_INTSTS_USB_ID; + } + + otgsc = readl(&mvotg->op_regs->otgsc); + otgsc |= mvotg->irq_en; + writel(otgsc, &mvotg->op_regs->otgsc); +} + +static void mv_otg_start_host(struct mv_otg *mvotg, int on) +{ + struct otg_transceiver *otg = &mvotg->otg; + struct usb_hcd *hcd; + + if (!otg->host) + return; + + dev_info(&mvotg->pdev->dev, "%s host\n", on ? "start" : "stop"); + + hcd = bus_to_hcd(otg->host); + + if (on) + usb_add_hcd(hcd, hcd->irq, IRQF_SHARED); + else + usb_remove_hcd(hcd); +} + +static void mv_otg_start_periphrals(struct mv_otg *mvotg, int on) +{ + struct otg_transceiver *otg = &mvotg->otg; + + if (!otg->gadget) + return; + + dev_info(otg->dev, "gadget %s\n", on ? "on" : "off"); + + if (on) + usb_gadget_vbus_connect(otg->gadget); + else + usb_gadget_vbus_disconnect(otg->gadget); +} + +static void otg_clock_enable(struct mv_otg *mvotg) +{ + unsigned int i; + + for (i = 0; i < mvotg->clknum; i++) + clk_enable(mvotg->clk[i]); +} + +static void otg_clock_disable(struct mv_otg *mvotg) +{ + unsigned int i; + + for (i = 0; i < mvotg->clknum; i++) + clk_disable(mvotg->clk[i]); +} + +static int mv_otg_enable_internal(struct mv_otg *mvotg) +{ + int retval = 0; + + if (mvotg->active) + return 0; + + dev_dbg(&mvotg->pdev->dev, "otg enabled\n"); + + otg_clock_enable(mvotg); + if (mvotg->pdata->phy_init) { + retval = mvotg->pdata->phy_init(mvotg->phy_regs); + if (retval) { + dev_err(&mvotg->pdev->dev, + "init phy error %d\n", retval); + otg_clock_disable(mvotg); + return retval; + } + } + mvotg->active = 1; + + return 0; + +} + +static int mv_otg_enable(struct mv_otg *mvotg) +{ + if (mvotg->clock_gating) + return mv_otg_enable_internal(mvotg); + + return 0; +} + +static void mv_otg_disable_internal(struct mv_otg *mvotg) +{ + if (mvotg->active) { + dev_dbg(&mvotg->pdev->dev, "otg disabled\n"); + if (mvotg->pdata->phy_deinit) + mvotg->pdata->phy_deinit(mvotg->phy_regs); + otg_clock_disable(mvotg); + mvotg->active = 0; + } +} + +static void mv_otg_disable(struct mv_otg *mvotg) +{ + if (mvotg->clock_gating) + mv_otg_disable_internal(mvotg); +} + +static void mv_otg_update_inputs(struct mv_otg *mvotg) +{ + struct mv_otg_ctrl *otg_ctrl = &mvotg->otg_ctrl; + u32 otgsc; + + otgsc = readl(&mvotg->op_regs->otgsc); + + if (mvotg->pdata->vbus) { + if (mvotg->pdata->vbus->poll() == VBUS_HIGH) { + otg_ctrl->b_sess_vld = 1; + otg_ctrl->b_sess_end = 0; + } else { + otg_ctrl->b_sess_vld = 0; + otg_ctrl->b_sess_end = 1; + } + } else { + otg_ctrl->b_sess_vld = !!(otgsc & OTGSC_STS_B_SESSION_VALID); + otg_ctrl->b_sess_end = !!(otgsc & OTGSC_STS_B_SESSION_END); + } + + if (mvotg->pdata->id) + otg_ctrl->id = !!mvotg->pdata->id->poll(); + else + otg_ctrl->id = !!(otgsc & OTGSC_STS_USB_ID); + + if (mvotg->pdata->otg_force_a_bus_req && !otg_ctrl->id) + otg_ctrl->a_bus_req = 1; + + otg_ctrl->a_sess_vld = !!(otgsc & OTGSC_STS_A_SESSION_VALID); + otg_ctrl->a_vbus_vld = !!(otgsc & OTGSC_STS_A_VBUS_VALID); + + dev_dbg(&mvotg->pdev->dev, "%s: ", __func__); + dev_dbg(&mvotg->pdev->dev, "id %d\n", otg_ctrl->id); + dev_dbg(&mvotg->pdev->dev, "b_sess_vld %d\n", otg_ctrl->b_sess_vld); + dev_dbg(&mvotg->pdev->dev, "b_sess_end %d\n", otg_ctrl->b_sess_end); + dev_dbg(&mvotg->pdev->dev, "a_vbus_vld %d\n", otg_ctrl->a_vbus_vld); + dev_dbg(&mvotg->pdev->dev, "a_sess_vld %d\n", otg_ctrl->a_sess_vld); +} + +static void mv_otg_update_state(struct mv_otg *mvotg) +{ + struct mv_otg_ctrl *otg_ctrl = &mvotg->otg_ctrl; + struct otg_transceiver *otg = &mvotg->otg; + int old_state = otg->state; + + switch (old_state) { + case OTG_STATE_UNDEFINED: + otg->state = OTG_STATE_B_IDLE; + /* FALL THROUGH */ + case OTG_STATE_B_IDLE: + if (otg_ctrl->id == 0) + otg->state = OTG_STATE_A_IDLE; + else if (otg_ctrl->b_sess_vld) + otg->state = OTG_STATE_B_PERIPHERAL; + break; + case OTG_STATE_B_PERIPHERAL: + if (!otg_ctrl->b_sess_vld || otg_ctrl->id == 0) + otg->state = OTG_STATE_B_IDLE; + break; + case OTG_STATE_A_IDLE: + if (otg_ctrl->id) + otg->state = OTG_STATE_B_IDLE; + else if (!(otg_ctrl->a_bus_drop) && + (otg_ctrl->a_bus_req || otg_ctrl->a_srp_det)) + otg->state = OTG_STATE_A_WAIT_VRISE; + break; + case OTG_STATE_A_WAIT_VRISE: + if (otg_ctrl->a_vbus_vld) + otg->state = OTG_STATE_A_WAIT_BCON; + break; + case OTG_STATE_A_WAIT_BCON: + if (otg_ctrl->id || otg_ctrl->a_bus_drop + || otg_ctrl->a_wait_bcon_timeout) { + mv_otg_cancel_timer(mvotg, A_WAIT_BCON_TIMER); + mvotg->otg_ctrl.a_wait_bcon_timeout = 0; + otg->state = OTG_STATE_A_WAIT_VFALL; + otg_ctrl->a_bus_req = 0; + } else if (!otg_ctrl->a_vbus_vld) { + mv_otg_cancel_timer(mvotg, A_WAIT_BCON_TIMER); + mvotg->otg_ctrl.a_wait_bcon_timeout = 0; + otg->state = OTG_STATE_A_VBUS_ERR; + } else if (otg_ctrl->b_conn) { + mv_otg_cancel_timer(mvotg, A_WAIT_BCON_TIMER); + mvotg->otg_ctrl.a_wait_bcon_timeout = 0; + otg->state = OTG_STATE_A_HOST; + } + break; + case OTG_STATE_A_HOST: + if (otg_ctrl->id || !otg_ctrl->b_conn + || otg_ctrl->a_bus_drop) + otg->state = OTG_STATE_A_WAIT_BCON; + else if (!otg_ctrl->a_vbus_vld) + otg->state = OTG_STATE_A_VBUS_ERR; + break; + case OTG_STATE_A_WAIT_VFALL: + if (otg_ctrl->id + || (!otg_ctrl->b_conn && otg_ctrl->a_sess_vld) + || otg_ctrl->a_bus_req) + otg->state = OTG_STATE_A_IDLE; + break; + case OTG_STATE_A_VBUS_ERR: + if (otg_ctrl->id || otg_ctrl->a_clr_err + || otg_ctrl->a_bus_drop) { + otg_ctrl->a_clr_err = 0; + otg->state = OTG_STATE_A_WAIT_VFALL; + } + break; + default: + break; + } +} + +static void mv_otg_work(struct work_struct *work) +{ + struct mv_otg *mvotg; + struct otg_transceiver *otg; + int old_state; + + mvotg = container_of((struct delayed_work *)work, struct mv_otg, work); + +run: + /* work queue is single thread, or we need spin_lock to protect */ + otg = &mvotg->otg; + old_state = otg->state; + + if (!mvotg->active) + return; + + mv_otg_update_inputs(mvotg); + mv_otg_update_state(mvotg); + + if (old_state != otg->state) { + dev_info(&mvotg->pdev->dev, "change from state %s to %s\n", + state_string[old_state], + state_string[otg->state]); + + switch (otg->state) { + case OTG_STATE_B_IDLE: + mvotg->otg.default_a = 0; + if (old_state == OTG_STATE_B_PERIPHERAL) + mv_otg_start_periphrals(mvotg, 0); + mv_otg_reset(mvotg); + mv_otg_disable(mvotg); + break; + case OTG_STATE_B_PERIPHERAL: + mv_otg_enable(mvotg); + mv_otg_start_periphrals(mvotg, 1); + break; + case OTG_STATE_A_IDLE: + mvotg->otg.default_a = 1; + mv_otg_enable(mvotg); + if (old_state == OTG_STATE_A_WAIT_VFALL) + mv_otg_start_host(mvotg, 0); + mv_otg_reset(mvotg); + break; + case OTG_STATE_A_WAIT_VRISE: + mv_otg_set_vbus(&mvotg->otg, 1); + break; + case OTG_STATE_A_WAIT_BCON: + if (old_state != OTG_STATE_A_HOST) + mv_otg_start_host(mvotg, 1); + mv_otg_set_timer(mvotg, A_WAIT_BCON_TIMER, + T_A_WAIT_BCON, + mv_otg_timer_await_bcon); + /* + * Now, we directly enter A_HOST. So set b_conn = 1 + * here. In fact, it need host driver to notify us. + */ + mvotg->otg_ctrl.b_conn = 1; + break; + case OTG_STATE_A_HOST: + break; + case OTG_STATE_A_WAIT_VFALL: + /* + * Now, we has exited A_HOST. So set b_conn = 0 + * here. In fact, it need host driver to notify us. + */ + mvotg->otg_ctrl.b_conn = 0; + mv_otg_set_vbus(&mvotg->otg, 0); + break; + case OTG_STATE_A_VBUS_ERR: + break; + default: + break; + } + goto run; + } +} + +static irqreturn_t mv_otg_irq(int irq, void *dev) +{ + struct mv_otg *mvotg = dev; + u32 otgsc; + + otgsc = readl(&mvotg->op_regs->otgsc); + writel(otgsc, &mvotg->op_regs->otgsc); + + /* + * if we have vbus, then the vbus detection for B-device + * will be done by mv_otg_inputs_irq(). + */ + if (mvotg->pdata->vbus) + if ((otgsc & OTGSC_STS_USB_ID) && + !(otgsc & OTGSC_INTSTS_USB_ID)) + return IRQ_NONE; + + if ((otgsc & mvotg->irq_status) == 0) + return IRQ_NONE; + + mv_otg_run_state_machine(mvotg, 0); + + return IRQ_HANDLED; +} + +static irqreturn_t mv_otg_inputs_irq(int irq, void *dev) +{ + struct mv_otg *mvotg = dev; + + /* The clock may disabled at this time */ + if (!mvotg->active) { + mv_otg_enable(mvotg); + mv_otg_init_irq(mvotg); + } + + mv_otg_run_state_machine(mvotg, 0); + + return IRQ_HANDLED; +} + +static ssize_t +get_a_bus_req(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct mv_otg *mvotg = dev_get_drvdata(dev); + return scnprintf(buf, PAGE_SIZE, "%d\n", + mvotg->otg_ctrl.a_bus_req); +} + +static ssize_t +set_a_bus_req(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct mv_otg *mvotg = dev_get_drvdata(dev); + + if (count > 2) + return -1; + + /* We will use this interface to change to A device */ + if (mvotg->otg.state != OTG_STATE_B_IDLE + && mvotg->otg.state != OTG_STATE_A_IDLE) + return -1; + + /* The clock may disabled and we need to set irq for ID detected */ + mv_otg_enable(mvotg); + mv_otg_init_irq(mvotg); + + if (buf[0] == '1') { + mvotg->otg_ctrl.a_bus_req = 1; + mvotg->otg_ctrl.a_bus_drop = 0; + dev_dbg(&mvotg->pdev->dev, + "User request: a_bus_req = 1\n"); + + if (spin_trylock(&mvotg->wq_lock)) { + mv_otg_run_state_machine(mvotg, 0); + spin_unlock(&mvotg->wq_lock); + } + } + + return count; +} + +static DEVICE_ATTR(a_bus_req, S_IRUGO | S_IWUSR, get_a_bus_req, + set_a_bus_req); + +static ssize_t +set_a_clr_err(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct mv_otg *mvotg = dev_get_drvdata(dev); + if (!mvotg->otg.default_a) + return -1; + + if (count > 2) + return -1; + + if (buf[0] == '1') { + mvotg->otg_ctrl.a_clr_err = 1; + dev_dbg(&mvotg->pdev->dev, + "User request: a_clr_err = 1\n"); + } + + if (spin_trylock(&mvotg->wq_lock)) { + mv_otg_run_state_machine(mvotg, 0); + spin_unlock(&mvotg->wq_lock); + } + + return count; +} + +static DEVICE_ATTR(a_clr_err, S_IWUSR, NULL, set_a_clr_err); + +static ssize_t +get_a_bus_drop(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct mv_otg *mvotg = dev_get_drvdata(dev); + return scnprintf(buf, PAGE_SIZE, "%d\n", + mvotg->otg_ctrl.a_bus_drop); +} + +static ssize_t +set_a_bus_drop(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct mv_otg *mvotg = dev_get_drvdata(dev); + if (!mvotg->otg.default_a) + return -1; + + if (count > 2) + return -1; + + if (buf[0] == '0') { + mvotg->otg_ctrl.a_bus_drop = 0; + dev_dbg(&mvotg->pdev->dev, + "User request: a_bus_drop = 0\n"); + } else if (buf[0] == '1') { + mvotg->otg_ctrl.a_bus_drop = 1; + mvotg->otg_ctrl.a_bus_req = 0; + dev_dbg(&mvotg->pdev->dev, + "User request: a_bus_drop = 1\n"); + dev_dbg(&mvotg->pdev->dev, + "User request: and a_bus_req = 0\n"); + } + + if (spin_trylock(&mvotg->wq_lock)) { + mv_otg_run_state_machine(mvotg, 0); + spin_unlock(&mvotg->wq_lock); + } + + return count; +} + +static DEVICE_ATTR(a_bus_drop, S_IRUGO | S_IWUSR, + get_a_bus_drop, set_a_bus_drop); + +static struct attribute *inputs_attrs[] = { + &dev_attr_a_bus_req.attr, + &dev_attr_a_clr_err.attr, + &dev_attr_a_bus_drop.attr, + NULL, +}; + +static struct attribute_group inputs_attr_group = { + .name = "inputs", + .attrs = inputs_attrs, +}; + +int mv_otg_remove(struct platform_device *pdev) +{ + struct mv_otg *mvotg = platform_get_drvdata(pdev); + int clk_i; + + sysfs_remove_group(&mvotg->pdev->dev.kobj, &inputs_attr_group); + + if (mvotg->irq) + free_irq(mvotg->irq, mvotg); + + if (mvotg->pdata->vbus) + free_irq(mvotg->pdata->vbus->irq, mvotg); + if (mvotg->pdata->id) + free_irq(mvotg->pdata->id->irq, mvotg); + + if (mvotg->qwork) { + flush_workqueue(mvotg->qwork); + destroy_workqueue(mvotg->qwork); + } + + mv_otg_disable(mvotg); + + if (mvotg->cap_regs) + iounmap(mvotg->cap_regs); + + if (mvotg->phy_regs) + iounmap(mvotg->phy_regs); + + for (clk_i = 0; clk_i <= mvotg->clknum; clk_i++) + clk_put(mvotg->clk[clk_i]); + + otg_set_transceiver(NULL); + platform_set_drvdata(pdev, NULL); + + kfree(mvotg); + + return 0; +} + +static int mv_otg_probe(struct platform_device *pdev) +{ + struct mv_usb_platform_data *pdata = pdev->dev.platform_data; + struct mv_otg *mvotg; + struct resource *r; + int retval = 0, clk_i, i; + size_t size; + + if (pdata == NULL) { + dev_err(&pdev->dev, "failed to get platform data\n"); + return -ENODEV; + } + + size = sizeof(*mvotg) + sizeof(struct clk *) * pdata->clknum; + mvotg = kzalloc(size, GFP_KERNEL); + if (!mvotg) { + dev_err(&pdev->dev, "failed to allocate memory!\n"); + return -ENOMEM; + } + + platform_set_drvdata(pdev, mvotg); + + mvotg->pdev = pdev; + mvotg->pdata = pdata; + + mvotg->clknum = pdata->clknum; + for (clk_i = 0; clk_i < mvotg->clknum; clk_i++) { + mvotg->clk[clk_i] = clk_get(&pdev->dev, pdata->clkname[clk_i]); + if (IS_ERR(mvotg->clk[clk_i])) { + retval = PTR_ERR(mvotg->clk[clk_i]); + goto err_put_clk; + } + } + + mvotg->qwork = create_singlethread_workqueue("mv_otg_queue"); + if (!mvotg->qwork) { + dev_dbg(&pdev->dev, "cannot create workqueue for OTG\n"); + retval = -ENOMEM; + goto err_put_clk; + } + + INIT_DELAYED_WORK(&mvotg->work, mv_otg_work); + + /* OTG common part */ + mvotg->pdev = pdev; + mvotg->otg.dev = &pdev->dev; + mvotg->otg.label = driver_name; + mvotg->otg.set_host = mv_otg_set_host; + mvotg->otg.set_peripheral = mv_otg_set_peripheral; + mvotg->otg.set_vbus = mv_otg_set_vbus; + mvotg->otg.state = OTG_STATE_UNDEFINED; + + for (i = 0; i < OTG_TIMER_NUM; i++) + init_timer(&mvotg->otg_ctrl.timer[i]); + + r = platform_get_resource_byname(mvotg->pdev, + IORESOURCE_MEM, "phyregs"); + if (r == NULL) { + dev_err(&pdev->dev, "no phy I/O memory resource defined\n"); + retval = -ENODEV; + goto err_destroy_workqueue; + } + + mvotg->phy_regs = ioremap(r->start, resource_size(r)); + if (mvotg->phy_regs == NULL) { + dev_err(&pdev->dev, "failed to map phy I/O memory\n"); + retval = -EFAULT; + goto err_destroy_workqueue; + } + + r = platform_get_resource_byname(mvotg->pdev, + IORESOURCE_MEM, "capregs"); + if (r == NULL) { + dev_err(&pdev->dev, "no I/O memory resource defined\n"); + retval = -ENODEV; + goto err_unmap_phyreg; + } + + mvotg->cap_regs = ioremap(r->start, resource_size(r)); + if (mvotg->cap_regs == NULL) { + dev_err(&pdev->dev, "failed to map I/O memory\n"); + retval = -EFAULT; + goto err_unmap_phyreg; + } + + /* we will acces controller register, so enable the udc controller */ + retval = mv_otg_enable_internal(mvotg); + if (retval) { + dev_err(&pdev->dev, "mv otg enable error %d\n", retval); + goto err_unmap_capreg; + } + + mvotg->op_regs = + (struct mv_otg_regs __iomem *) ((unsigned long) mvotg->cap_regs + + (readl(mvotg->cap_regs) & CAPLENGTH_MASK)); + + if (pdata->id) { + retval = request_threaded_irq(pdata->id->irq, NULL, + mv_otg_inputs_irq, + IRQF_ONESHOT, "id", mvotg); + if (retval) { + dev_info(&pdev->dev, + "Failed to request irq for ID\n"); + pdata->id = NULL; + } + } + + if (pdata->vbus) { + mvotg->clock_gating = 1; + retval = request_threaded_irq(pdata->vbus->irq, NULL, + mv_otg_inputs_irq, + IRQF_ONESHOT, "vbus", mvotg); + if (retval) { + dev_info(&pdev->dev, + "Failed to request irq for VBUS, " + "disable clock gating\n"); + mvotg->clock_gating = 0; + pdata->vbus = NULL; + } + } + + if (pdata->disable_otg_clock_gating) + mvotg->clock_gating = 0; + + mv_otg_reset(mvotg); + mv_otg_init_irq(mvotg); + + r = platform_get_resource(mvotg->pdev, IORESOURCE_IRQ, 0); + if (r == NULL) { + dev_err(&pdev->dev, "no IRQ resource defined\n"); + retval = -ENODEV; + goto err_disable_clk; + } + + mvotg->irq = r->start; + if (request_irq(mvotg->irq, mv_otg_irq, IRQF_SHARED, + driver_name, mvotg)) { + dev_err(&pdev->dev, "Request irq %d for OTG failed\n", + mvotg->irq); + mvotg->irq = 0; + retval = -ENODEV; + goto err_disable_clk; + } + + retval = otg_set_transceiver(&mvotg->otg); + if (retval < 0) { + dev_err(&pdev->dev, "can't register transceiver, %d\n", + retval); + goto err_free_irq; + } + + retval = sysfs_create_group(&pdev->dev.kobj, &inputs_attr_group); + if (retval < 0) { + dev_dbg(&pdev->dev, + "Can't register sysfs attr group: %d\n", retval); + goto err_set_transceiver; + } + + spin_lock_init(&mvotg->wq_lock); + if (spin_trylock(&mvotg->wq_lock)) { + mv_otg_run_state_machine(mvotg, 2 * HZ); + spin_unlock(&mvotg->wq_lock); + } + + dev_info(&pdev->dev, + "successful probe OTG device %s clock gating.\n", + mvotg->clock_gating ? "with" : "without"); + + return 0; + +err_set_transceiver: + otg_set_transceiver(NULL); +err_free_irq: + free_irq(mvotg->irq, mvotg); +err_disable_clk: + if (pdata->vbus) + free_irq(pdata->vbus->irq, mvotg); + if (pdata->id) + free_irq(pdata->id->irq, mvotg); + mv_otg_disable_internal(mvotg); +err_unmap_capreg: + iounmap(mvotg->cap_regs); +err_unmap_phyreg: + iounmap(mvotg->phy_regs); +err_destroy_workqueue: + flush_workqueue(mvotg->qwork); + destroy_workqueue(mvotg->qwork); +err_put_clk: + for (clk_i--; clk_i >= 0; clk_i--) + clk_put(mvotg->clk[clk_i]); + + platform_set_drvdata(pdev, NULL); + kfree(mvotg); + + return retval; +} + +#ifdef CONFIG_PM +static int mv_otg_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct mv_otg *mvotg = platform_get_drvdata(pdev); + + if (mvotg->otg.state != OTG_STATE_B_IDLE) { + dev_info(&pdev->dev, + "OTG state is not B_IDLE, it is %d!\n", + mvotg->otg.state); + return -EAGAIN; + } + + if (!mvotg->clock_gating) + mv_otg_disable_internal(mvotg); + + return 0; +} + +static int mv_otg_resume(struct platform_device *pdev) +{ + struct mv_otg *mvotg = platform_get_drvdata(pdev); + u32 otgsc; + + if (!mvotg->clock_gating) { + mv_otg_enable_internal(mvotg); + + otgsc = readl(&mvotg->op_regs->otgsc); + otgsc |= mvotg->irq_en; + writel(otgsc, &mvotg->op_regs->otgsc); + + if (spin_trylock(&mvotg->wq_lock)) { + mv_otg_run_state_machine(mvotg, 0); + spin_unlock(&mvotg->wq_lock); + } + } + return 0; +} +#endif + +static struct platform_driver mv_otg_driver = { + .probe = mv_otg_probe, + .remove = __exit_p(mv_otg_remove), + .driver = { + .owner = THIS_MODULE, + .name = driver_name, + }, +#ifdef CONFIG_PM + .suspend = mv_otg_suspend, + .resume = mv_otg_resume, +#endif +}; + +static int __init mv_otg_init(void) +{ + return platform_driver_register(&mv_otg_driver); +} + +static void __exit mv_otg_exit(void) +{ + platform_driver_unregister(&mv_otg_driver); +} + +module_init(mv_otg_init); +module_exit(mv_otg_exit); diff --git a/drivers/usb/otg/mv_otg.h b/drivers/usb/otg/mv_otg.h new file mode 100644 index 000000000000..be6ca1437645 --- /dev/null +++ b/drivers/usb/otg/mv_otg.h @@ -0,0 +1,165 @@ +/* + * Copyright (C) 2011 Marvell International Ltd. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __MV_USB_OTG_CONTROLLER__ +#define __MV_USB_OTG_CONTROLLER__ + +#include <linux/types.h> + +/* Command Register Bit Masks */ +#define USBCMD_RUN_STOP (0x00000001) +#define USBCMD_CTRL_RESET (0x00000002) + +/* otgsc Register Bit Masks */ +#define OTGSC_CTRL_VUSB_DISCHARGE 0x00000001 +#define OTGSC_CTRL_VUSB_CHARGE 0x00000002 +#define OTGSC_CTRL_OTG_TERM 0x00000008 +#define OTGSC_CTRL_DATA_PULSING 0x00000010 +#define OTGSC_STS_USB_ID 0x00000100 +#define OTGSC_STS_A_VBUS_VALID 0x00000200 +#define OTGSC_STS_A_SESSION_VALID 0x00000400 +#define OTGSC_STS_B_SESSION_VALID 0x00000800 +#define OTGSC_STS_B_SESSION_END 0x00001000 +#define OTGSC_STS_1MS_TOGGLE 0x00002000 +#define OTGSC_STS_DATA_PULSING 0x00004000 +#define OTGSC_INTSTS_USB_ID 0x00010000 +#define OTGSC_INTSTS_A_VBUS_VALID 0x00020000 +#define OTGSC_INTSTS_A_SESSION_VALID 0x00040000 +#define OTGSC_INTSTS_B_SESSION_VALID 0x00080000 +#define OTGSC_INTSTS_B_SESSION_END 0x00100000 +#define OTGSC_INTSTS_1MS 0x00200000 +#define OTGSC_INTSTS_DATA_PULSING 0x00400000 +#define OTGSC_INTR_USB_ID 0x01000000 +#define OTGSC_INTR_A_VBUS_VALID 0x02000000 +#define OTGSC_INTR_A_SESSION_VALID 0x04000000 +#define OTGSC_INTR_B_SESSION_VALID 0x08000000 +#define OTGSC_INTR_B_SESSION_END 0x10000000 +#define OTGSC_INTR_1MS_TIMER 0x20000000 +#define OTGSC_INTR_DATA_PULSING 0x40000000 + +#define CAPLENGTH_MASK (0xff) + +/* Timer's interval, unit 10ms */ +#define T_A_WAIT_VRISE 100 +#define T_A_WAIT_BCON 2000 +#define T_A_AIDL_BDIS 100 +#define T_A_BIDL_ADIS 20 +#define T_B_ASE0_BRST 400 +#define T_B_SE0_SRP 300 +#define T_B_SRP_FAIL 2000 +#define T_B_DATA_PLS 10 +#define T_B_SRP_INIT 100 +#define T_A_SRP_RSPNS 10 +#define T_A_DRV_RSM 5 + +enum otg_function { + OTG_B_DEVICE = 0, + OTG_A_DEVICE +}; + +enum mv_otg_timer { + A_WAIT_BCON_TIMER = 0, + OTG_TIMER_NUM +}; + +/* PXA OTG state machine */ +struct mv_otg_ctrl { + /* internal variables */ + u8 a_set_b_hnp_en; /* A-Device set b_hnp_en */ + u8 b_srp_done; + u8 b_hnp_en; + + /* OTG inputs */ + u8 a_bus_drop; + u8 a_bus_req; + u8 a_clr_err; + u8 a_bus_resume; + u8 a_bus_suspend; + u8 a_conn; + u8 a_sess_vld; + u8 a_srp_det; + u8 a_vbus_vld; + u8 b_bus_req; /* B-Device Require Bus */ + u8 b_bus_resume; + u8 b_bus_suspend; + u8 b_conn; + u8 b_se0_srp; + u8 b_sess_end; + u8 b_sess_vld; + u8 id; + u8 a_suspend_req; + + /*Timer event */ + u8 a_aidl_bdis_timeout; + u8 b_ase0_brst_timeout; + u8 a_bidl_adis_timeout; + u8 a_wait_bcon_timeout; + + struct timer_list timer[OTG_TIMER_NUM]; +}; + +#define VUSBHS_MAX_PORTS 8 + +struct mv_otg_regs { + u32 usbcmd; /* Command register */ + u32 usbsts; /* Status register */ + u32 usbintr; /* Interrupt enable */ + u32 frindex; /* Frame index */ + u32 reserved1[1]; + u32 deviceaddr; /* Device Address */ + u32 eplistaddr; /* Endpoint List Address */ + u32 ttctrl; /* HOST TT status and control */ + u32 burstsize; /* Programmable Burst Size */ + u32 txfilltuning; /* Host Transmit Pre-Buffer Packet Tuning */ + u32 reserved[4]; + u32 epnak; /* Endpoint NAK */ + u32 epnaken; /* Endpoint NAK Enable */ + u32 configflag; /* Configured Flag register */ + u32 portsc[VUSBHS_MAX_PORTS]; /* Port Status/Control x, x = 1..8 */ + u32 otgsc; + u32 usbmode; /* USB Host/Device mode */ + u32 epsetupstat; /* Endpoint Setup Status */ + u32 epprime; /* Endpoint Initialize */ + u32 epflush; /* Endpoint De-initialize */ + u32 epstatus; /* Endpoint Status */ + u32 epcomplete; /* Endpoint Interrupt On Complete */ + u32 epctrlx[16]; /* Endpoint Control, where x = 0.. 15 */ + u32 mcr; /* Mux Control */ + u32 isr; /* Interrupt Status */ + u32 ier; /* Interrupt Enable */ +}; + +struct mv_otg { + struct otg_transceiver otg; + struct mv_otg_ctrl otg_ctrl; + + /* base address */ + void __iomem *phy_regs; + void __iomem *cap_regs; + struct mv_otg_regs __iomem *op_regs; + + struct platform_device *pdev; + int irq; + u32 irq_status; + u32 irq_en; + + struct delayed_work work; + struct workqueue_struct *qwork; + + spinlock_t wq_lock; + + struct mv_usb_platform_data *pdata; + + unsigned int active; + unsigned int clock_gating; + unsigned int clknum; + struct clk *clk[0]; +}; + +#endif diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index d2e2efaba658..e9a5b1d2615e 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -95,25 +95,15 @@ struct usbhs_priv *usbhs_pdev_to_priv(struct platform_device *pdev) /* * syscfg functions */ -void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable) +static void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable) { usbhs_bset(priv, SYSCFG, SCKE, enable ? SCKE : 0); } -void usbhs_sys_hispeed_ctrl(struct usbhs_priv *priv, int enable) -{ - usbhs_bset(priv, SYSCFG, HSE, enable ? HSE : 0); -} - -void usbhs_sys_usb_ctrl(struct usbhs_priv *priv, int enable) -{ - usbhs_bset(priv, SYSCFG, USBE, enable ? USBE : 0); -} - void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable) { - u16 mask = DCFM | DRPD | DPRPU; - u16 val = DCFM | DRPD; + u16 mask = DCFM | DRPD | DPRPU | HSE | USBE; + u16 val = DCFM | DRPD | HSE | USBE; int has_otg = usbhs_get_dparam(priv, has_otg); if (has_otg) @@ -130,8 +120,8 @@ void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable) void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable) { - u16 mask = DCFM | DRPD | DPRPU; - u16 val = DPRPU; + u16 mask = DCFM | DRPD | DPRPU | HSE | USBE; + u16 val = DPRPU | HSE | USBE; /* * if enable @@ -142,6 +132,11 @@ void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable) usbhs_bset(priv, SYSCFG, mask, enable ? val : 0); } +void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode) +{ + usbhs_write(priv, TESTMODE, mode); +} + /* * frame functions */ @@ -229,7 +224,7 @@ static void usbhsc_bus_init(struct usbhs_priv *priv) /* * device configuration */ -int usbhs_set_device_speed(struct usbhs_priv *priv, int devnum, +int usbhs_set_device_config(struct usbhs_priv *priv, int devnum, u16 upphub, u16 hubport, u16 speed) { struct device *dev = usbhs_priv_to_dev(priv); @@ -301,18 +296,25 @@ static u32 usbhsc_default_pipe_type[] = { */ static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable) { + struct platform_device *pdev = usbhs_priv_to_pdev(priv); struct device *dev = usbhs_priv_to_dev(priv); if (enable) { /* enable PM */ pm_runtime_get_sync(dev); + /* enable platform power */ + usbhs_platform_call(priv, power_ctrl, pdev, priv->base, enable); + /* USB on */ usbhs_sys_clock_ctrl(priv, enable); } else { /* USB off */ usbhs_sys_clock_ctrl(priv, enable); + /* disable platform power */ + usbhs_platform_call(priv, power_ctrl, pdev, priv->base, enable); + /* disable PM */ pm_runtime_put_sync(dev); } @@ -388,7 +390,7 @@ static void usbhsc_notify_hotplug(struct work_struct *work) usbhsc_hotplug(priv); } -int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev) +static int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev) { struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); int delay = usbhs_get_dparam(priv, detection_delay); @@ -398,14 +400,15 @@ int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev) * To make sure safety context, * use workqueue for usbhs_notify_hotplug */ - schedule_delayed_work(&priv->notify_hotplug_work, delay); + schedule_delayed_work(&priv->notify_hotplug_work, + msecs_to_jiffies(delay)); return 0; } /* * platform functions */ -static int __devinit usbhs_probe(struct platform_device *pdev) +static int usbhs_probe(struct platform_device *pdev) { struct renesas_usbhs_platform_info *info = pdev->dev.platform_data; struct renesas_usbhs_driver_callback *dfunc; @@ -637,18 +640,7 @@ static struct platform_driver renesas_usbhs_driver = { .remove = __devexit_p(usbhs_remove), }; -static int __init usbhs_init(void) -{ - return platform_driver_register(&renesas_usbhs_driver); -} - -static void __exit usbhs_exit(void) -{ - platform_driver_unregister(&renesas_usbhs_driver); -} - -module_init(usbhs_init); -module_exit(usbhs_exit); +module_platform_driver(renesas_usbhs_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Renesas USB driver"); diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index 8729da5c3be6..d79b3e27db95 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -33,6 +33,7 @@ struct usbhs_priv; #define SYSCFG 0x0000 #define BUSWAIT 0x0002 #define DVSTCTR 0x0008 +#define TESTMODE 0x000C #define CFIFO 0x0014 #define CFIFOSEL 0x0020 #define CFIFOCTR 0x0022 @@ -275,19 +276,15 @@ u16 usbhs_read(struct usbhs_priv *priv, u32 reg); void usbhs_write(struct usbhs_priv *priv, u32 reg, u16 data); void usbhs_bset(struct usbhs_priv *priv, u32 reg, u16 mask, u16 data); -int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev); - #define usbhs_lock(p, f) spin_lock_irqsave(usbhs_priv_to_lock(p), f) #define usbhs_unlock(p, f) spin_unlock_irqrestore(usbhs_priv_to_lock(p), f) /* * sysconfig */ -void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable); -void usbhs_sys_hispeed_ctrl(struct usbhs_priv *priv, int enable); -void usbhs_sys_usb_ctrl(struct usbhs_priv *priv, int enable); void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable); void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable); +void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode); /* * usb request @@ -311,7 +308,7 @@ int usbhs_frame_get_num(struct usbhs_priv *priv); /* * device config */ -int usbhs_set_device_speed(struct usbhs_priv *priv, int devnum, u16 upphub, +int usbhs_set_device_config(struct usbhs_priv *priv, int devnum, u16 upphub, u16 hubport, u16 speed); /* diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index 8da685e796d1..b51fcd80d244 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -56,7 +56,7 @@ static struct usbhs_pkt_handle usbhsf_null_handler = { void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, void (*done)(struct usbhs_priv *priv, struct usbhs_pkt *pkt), - void *buf, int len, int zero) + void *buf, int len, int zero, int sequence) { struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); struct device *dev = usbhs_priv_to_dev(priv); @@ -90,6 +90,7 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, pkt->zero = zero; pkt->actual = 0; pkt->done = done; + pkt->sequence = sequence; usbhs_unlock(priv, flags); /******************** spin unlock ******************/ @@ -481,6 +482,9 @@ static int usbhsf_pio_try_push(struct usbhs_pkt *pkt, int *is_done) int i, ret, len; int is_short; + usbhs_pipe_data_sequence(pipe, pkt->sequence); + pkt->sequence = -1; /* -1 sequence will be ignored */ + ret = usbhsf_fifo_select(pipe, fifo, 1); if (ret < 0) return 0; @@ -584,6 +588,8 @@ static int usbhsf_prepare_pop(struct usbhs_pkt *pkt, int *is_done) /* * pipe enable to prepare packet receive */ + usbhs_pipe_data_sequence(pipe, pkt->sequence); + pkt->sequence = -1; /* -1 sequence will be ignored */ usbhs_pipe_enable(pipe); usbhsf_rx_irq_ctrl(pipe, 1); @@ -641,6 +647,7 @@ static int usbhsf_pio_try_pop(struct usbhs_pkt *pkt, int *is_done) * "Operation" - "FIFO Buffer Memory" - "FIFO Port Function" */ if (0 == rcv_len) { + pkt->zero = 1; usbhsf_fifo_clear(pipe, fifo); goto usbhs_fifo_read_end; } @@ -820,7 +827,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) if (len % 4) /* 32bit alignment */ goto usbhsf_pio_prepare_push; - if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ + if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ goto usbhsf_pio_prepare_push; /* get enable DMA fifo */ @@ -897,7 +904,7 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done) if (!fifo) goto usbhsf_pio_prepare_pop; - if ((*(u32 *) pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ + if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ goto usbhsf_pio_prepare_pop; ret = usbhsf_fifo_select(pipe, fifo, 0); diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index 32a7b246b28d..f68609c0f489 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -59,6 +59,7 @@ struct usbhs_pkt { int trans; int actual; int zero; + int sequence; }; struct usbhs_pkt_handle { @@ -95,7 +96,7 @@ void usbhs_pkt_init(struct usbhs_pkt *pkt); void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, void (*done)(struct usbhs_priv *priv, struct usbhs_pkt *pkt), - void *buf, int len, int zero); + void *buf, int len, int zero, int sequence); struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt); void usbhs_pkt_start(struct usbhs_pipe *pipe); diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index 053f86d70009..1b97fb12694b 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -50,7 +50,9 @@ static int usbhsm_autonomy_irq_vbus(struct usbhs_priv *priv, { struct platform_device *pdev = usbhs_priv_to_pdev(priv); - return usbhsc_drvcllbck_notify_hotplug(pdev); + renesas_usbhs_call_notify_hotplug(pdev); + + return 0; } void usbhs_mod_autonomy_mode(struct usbhs_priv *priv) @@ -349,7 +351,7 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod) if (mod->irq_attch) intenb1 |= ATTCHE; - if (mod->irq_attch) + if (mod->irq_dtch) intenb1 |= DTCHE; if (mod->irq_sign) diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h index 8ae3733031cd..6c6875533f01 100644 --- a/drivers/usb/renesas_usbhs/mod.h +++ b/drivers/usb/renesas_usbhs/mod.h @@ -143,8 +143,8 @@ void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod); */ #if defined(CONFIG_USB_RENESAS_USBHS_HCD) || \ defined(CONFIG_USB_RENESAS_USBHS_HCD_MODULE) -extern int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv); -extern int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv); +extern int usbhs_mod_host_probe(struct usbhs_priv *priv); +extern int usbhs_mod_host_remove(struct usbhs_priv *priv); #else static inline int usbhs_mod_host_probe(struct usbhs_priv *priv) { @@ -157,8 +157,8 @@ static inline void usbhs_mod_host_remove(struct usbhs_priv *priv) #if defined(CONFIG_USB_RENESAS_USBHS_UDC) || \ defined(CONFIG_USB_RENESAS_USBHS_UDC_MODULE) -extern int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv); -extern void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv); +extern int usbhs_mod_gadget_probe(struct usbhs_priv *priv); +extern void usbhs_mod_gadget_remove(struct usbhs_priv *priv); #else static inline int usbhs_mod_gadget_probe(struct usbhs_priv *priv) { diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 4cc7ee0babc6..528691d5f3e2 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -14,6 +14,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ +#include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/io.h> #include <linux/module.h> @@ -44,7 +45,6 @@ struct usbhsg_uep { struct usbhsg_gpriv { struct usb_gadget gadget; struct usbhs_mod mod; - struct list_head link; struct usbhsg_uep *uep; int uep_size; @@ -114,16 +114,6 @@ struct usbhsg_recip_handle { #define usbhsg_status_clr(gp, b) (gp->status &= ~b) #define usbhsg_status_has(gp, b) (gp->status & b) -/* controller */ -LIST_HEAD(the_controller_link); - -#define usbhsg_for_each_controller(gpriv)\ - list_for_each_entry(gpriv, &the_controller_link, link) -#define usbhsg_controller_register(gpriv)\ - list_add_tail(&(gpriv)->link, &the_controller_link) -#define usbhsg_controller_unregister(gpriv)\ - list_del_init(&(gpriv)->link) - /* * queue push/pop */ @@ -164,7 +154,7 @@ static void usbhsg_queue_push(struct usbhsg_uep *uep, req->actual = 0; req->status = -EINPROGRESS; usbhs_pkt_push(pipe, pkt, usbhsg_queue_done, - req->buf, req->length, req->zero); + req->buf, req->length, req->zero, -1); usbhs_pkt_start(pipe); dev_dbg(dev, "pipe %d : queue push (%d)\n", @@ -195,7 +185,7 @@ static int usbhsg_dma_map(struct device *dev, } if (dma_mapping_error(dev, pkt->dma)) { - dev_err(dev, "dma mapping error %x\n", pkt->dma); + dev_err(dev, "dma mapping error %llx\n", (u64)pkt->dma); return -EIO; } @@ -271,6 +261,8 @@ static int usbhsg_recip_handler_std_clear_endpoint(struct usbhs_priv *priv, usbhsg_recip_handler_std_control_done(priv, uep, ctrl); + usbhs_pkt_start(pipe); + return 0; } @@ -282,6 +274,145 @@ struct usbhsg_recip_handle req_clear_feature = { }; /* + * USB_TYPE_STANDARD / set feature functions + */ +static int usbhsg_recip_handler_std_set_device(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + switch (le16_to_cpu(ctrl->wValue)) { + case USB_DEVICE_TEST_MODE: + usbhsg_recip_handler_std_control_done(priv, uep, ctrl); + udelay(100); + usbhs_sys_set_test_mode(priv, le16_to_cpu(ctrl->wIndex >> 8)); + break; + default: + usbhsg_recip_handler_std_control_done(priv, uep, ctrl); + break; + } + + return 0; +} + +static int usbhsg_recip_handler_std_set_endpoint(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + + usbhs_pipe_stall(pipe); + + usbhsg_recip_handler_std_control_done(priv, uep, ctrl); + + return 0; +} + +struct usbhsg_recip_handle req_set_feature = { + .name = "set feature", + .device = usbhsg_recip_handler_std_set_device, + .interface = usbhsg_recip_handler_std_control_done, + .endpoint = usbhsg_recip_handler_std_set_endpoint, +}; + +/* + * USB_TYPE_STANDARD / get status functions + */ +static void __usbhsg_recip_send_complete(struct usb_ep *ep, + struct usb_request *req) +{ + struct usbhsg_request *ureq = usbhsg_req_to_ureq(req); + + /* free allocated recip-buffer/usb_request */ + kfree(ureq->pkt.buf); + usb_ep_free_request(ep, req); +} + +static void __usbhsg_recip_send_status(struct usbhsg_gpriv *gpriv, + unsigned short status) +{ + struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv); + struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(dcp); + struct device *dev = usbhsg_gpriv_to_dev(gpriv); + struct usb_request *req; + unsigned short *buf; + + /* alloc new usb_request for recip */ + req = usb_ep_alloc_request(&dcp->ep, GFP_ATOMIC); + if (!req) { + dev_err(dev, "recip request allocation fail\n"); + return; + } + + /* alloc recip data buffer */ + buf = kmalloc(sizeof(*buf), GFP_ATOMIC); + if (!buf) { + usb_ep_free_request(&dcp->ep, req); + dev_err(dev, "recip data allocation fail\n"); + return; + } + + /* recip data is status */ + *buf = cpu_to_le16(status); + + /* allocated usb_request/buffer will be freed */ + req->complete = __usbhsg_recip_send_complete; + req->buf = buf; + req->length = sizeof(*buf); + req->zero = 0; + + /* push packet */ + pipe->handler = &usbhs_fifo_pio_push_handler; + usbhsg_queue_push(dcp, usbhsg_req_to_ureq(req)); +} + +static int usbhsg_recip_handler_std_get_device(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); + unsigned short status = 1 << USB_DEVICE_SELF_POWERED; + + __usbhsg_recip_send_status(gpriv, status); + + return 0; +} + +static int usbhsg_recip_handler_std_get_interface(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); + unsigned short status = 0; + + __usbhsg_recip_send_status(gpriv, status); + + return 0; +} + +static int usbhsg_recip_handler_std_get_endpoint(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); + struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + unsigned short status = 0; + + if (usbhs_pipe_is_stall(pipe)) + status = 1 << USB_ENDPOINT_HALT; + + __usbhsg_recip_send_status(gpriv, status); + + return 0; +} + +struct usbhsg_recip_handle req_get_status = { + .name = "get status", + .device = usbhsg_recip_handler_std_get_device, + .interface = usbhsg_recip_handler_std_get_interface, + .endpoint = usbhsg_recip_handler_std_get_endpoint, +}; + +/* * USB_TYPE handler */ static int usbhsg_recip_run_handle(struct usbhs_priv *priv, @@ -303,8 +434,7 @@ static int usbhsg_recip_run_handle(struct usbhs_priv *priv, pipe = usbhsg_uep_to_pipe(uep); if (!pipe) { dev_err(dev, "wrong recip request\n"); - ret = -EINVAL; - goto usbhsg_recip_run_handle_end; + return -EINVAL; } switch (recip) { @@ -327,20 +457,10 @@ static int usbhsg_recip_run_handle(struct usbhs_priv *priv, } if (func) { - unsigned long flags; - dev_dbg(dev, "%s (pipe %d :%s)\n", handler->name, nth, msg); - - /******************** spin lock ********************/ - usbhs_lock(priv, flags); ret = func(priv, uep, ctrl); - usbhs_unlock(priv, flags); - /******************** spin unlock ******************/ } -usbhsg_recip_run_handle_end: - usbhs_pkt_start(pipe); - return ret; } @@ -412,6 +532,12 @@ static int usbhsg_irq_ctrl_stage(struct usbhs_priv *priv, case USB_REQ_CLEAR_FEATURE: recip_handler = &req_clear_feature; break; + case USB_REQ_SET_FEATURE: + recip_handler = &req_set_feature; + break; + case USB_REQ_GET_STATUS: + recip_handler = &req_get_status; + break; } } @@ -439,14 +565,16 @@ static int usbhsg_pipe_disable(struct usbhsg_uep *uep) struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); struct usbhs_pkt *pkt; - usbhs_pipe_disable(pipe); - while (1) { pkt = usbhs_pkt_pop(pipe, NULL); if (!pkt) break; + + usbhsg_queue_pop(uep, usbhsg_pkt_to_ureq(pkt), -ECONNRESET); } + usbhs_pipe_disable(pipe); + return 0; } @@ -681,9 +809,7 @@ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status) * - function * - usb module */ - usbhs_sys_hispeed_ctrl(priv, 1); usbhs_sys_function_ctrl(priv, 1); - usbhs_sys_usb_ctrl(priv, 1); /* * enable irq callback @@ -731,9 +857,8 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status) gpriv->gadget.speed = USB_SPEED_UNKNOWN; /* disable sys */ - usbhs_sys_hispeed_ctrl(priv, 0); + usbhs_sys_set_test_mode(priv, 0); usbhs_sys_function_ctrl(priv, 0); - usbhs_sys_usb_ctrl(priv, 0); usbhsg_pipe_disable(dcp); @@ -751,53 +876,32 @@ static int usbhsg_gadget_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver) { struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget); - struct usbhs_priv *priv; - struct device *dev; - int ret; + struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv); if (!driver || !driver->setup || - driver->speed != USB_SPEED_HIGH) + driver->max_speed < USB_SPEED_FULL) return -EINVAL; - dev = usbhsg_gpriv_to_dev(gpriv); - priv = usbhsg_gpriv_to_priv(gpriv); - /* first hook up the driver ... */ gpriv->driver = driver; gpriv->gadget.dev.driver = &driver->driver; - ret = device_add(&gpriv->gadget.dev); - if (ret) { - dev_err(dev, "device_add error %d\n", ret); - goto add_fail; - } - return usbhsg_try_start(priv, USBHSG_STATUS_REGISTERD); - -add_fail: - gpriv->driver = NULL; - gpriv->gadget.dev.driver = NULL; - - return ret; } static int usbhsg_gadget_stop(struct usb_gadget *gadget, struct usb_gadget_driver *driver) { struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget); - struct usbhs_priv *priv; - struct device *dev; + struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv); if (!driver || !driver->unbind) return -EINVAL; - dev = usbhsg_gpriv_to_dev(gpriv); - priv = usbhsg_gpriv_to_priv(gpriv); - usbhsg_try_stop(priv, USBHSG_STATUS_REGISTERD); - device_del(&gpriv->gadget.dev); + gpriv->gadget.dev.driver = NULL; gpriv->driver = NULL; return 0; @@ -827,10 +931,17 @@ static int usbhsg_start(struct usbhs_priv *priv) static int usbhsg_stop(struct usbhs_priv *priv) { + struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv); + + /* cable disconnect */ + if (gpriv->driver && + gpriv->driver->disconnect) + gpriv->driver->disconnect(&gpriv->gadget); + return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED); } -int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv) +int usbhs_mod_gadget_probe(struct usbhs_priv *priv) { struct usbhsg_gpriv *gpriv; struct usbhsg_uep *uep; @@ -876,12 +987,14 @@ int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv) /* * init gadget */ - device_initialize(&gpriv->gadget.dev); dev_set_name(&gpriv->gadget.dev, "gadget"); gpriv->gadget.dev.parent = dev; gpriv->gadget.name = "renesas_usbhs_udc"; gpriv->gadget.ops = &usbhsg_gadget_ops; - gpriv->gadget.is_dualspeed = 1; + gpriv->gadget.max_speed = USB_SPEED_HIGH; + ret = device_register(&gpriv->gadget.dev); + if (ret < 0) + goto err_add_udc; INIT_LIST_HEAD(&gpriv->gadget.ep_list); @@ -908,16 +1021,17 @@ int __devinit usbhs_mod_gadget_probe(struct usbhs_priv *priv) } } - usbhsg_controller_register(gpriv); - ret = usb_add_gadget_udc(dev, &gpriv->gadget); if (ret) - goto err_add_udc; + goto err_register; dev_info(dev, "gadget probed\n"); return 0; + +err_register: + device_unregister(&gpriv->gadget.dev); err_add_udc: kfree(gpriv->uep); @@ -927,13 +1041,13 @@ usbhs_mod_gadget_probe_err_gpriv: return ret; } -void __devexit usbhs_mod_gadget_remove(struct usbhs_priv *priv) +void usbhs_mod_gadget_remove(struct usbhs_priv *priv) { struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv); usb_del_gadget_udc(&gpriv->gadget); - usbhsg_controller_unregister(gpriv); + device_unregister(&gpriv->gadget.dev); kfree(gpriv->uep); kfree(gpriv); diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c index 1a7208a50afc..1834cf50888c 100644 --- a/drivers/usb/renesas_usbhs/mod_host.c +++ b/drivers/usb/renesas_usbhs/mod_host.c @@ -45,36 +45,34 @@ * * +--------+ pipes are reused for each uep. * | udev 1 |-+- [uep 0 (dcp) ] --+ pipe will be switched when - * +--------+ | | target device was changed + * +--------+ | | other device requested * +- [uep 1 (bulk)] --|---+ +--------------+ * | +--------------> | pipe0 (dcp) | - * +- [uep 2 (bulk)] --|---|---+ +--------------+ - * | | | | pipe1 (isoc) | - * +--------+ | | | +--------------+ - * | udev 2 |-+- [uep 0 (dcp) ] --+ +-- |------> | pipe2 (bulk) | - * +--------+ | | | | +--------------+ - * +- [uep 1 (int) ] --|-+ | +------> | pipe3 (bulk) | - * | | | | +--------------+ - * +--------+ | +-|---|------> | pipe4 (int) | - * | udev 3 |-+- [uep 0 (dcp) ] --+ | | +--------------+ - * +--------+ | | | | .... | - * +- [uep 1 (bulk)] ------+ | | .... | + * +- [uep 2 (bulk)] -@ | +--------------+ + * | | pipe1 (isoc) | + * +--------+ | +--------------+ + * | udev 2 |-+- [uep 0 (dcp) ] -@ +----------> | pipe2 (bulk) | + * +--------+ | +--------------+ + * +- [uep 1 (int) ] ----+ +------> | pipe3 (bulk) | + * | | +--------------+ + * +--------+ +-----|------> | pipe4 (int) | + * | udev 3 |-+- [uep 0 (dcp) ] -@ | +--------------+ + * +--------+ | | | .... | + * +- [uep 1 (bulk)] -@ | | .... | * | | * +- [uep 2 (bulk)]-----------+ + * + * @ : uep requested free pipe, but all have been used. + * now it is waiting for free pipe */ /* * struct */ -struct usbhsh_pipe_info { - unsigned int usr_cnt; /* see usbhsh_endpoint_alloc() */ -}; - struct usbhsh_request { struct urb *urb; struct usbhs_pkt pkt; - struct list_head ureq_link; /* see hpriv :: ureq_link_xxx */ }; struct usbhsh_device { @@ -83,11 +81,10 @@ struct usbhsh_device { }; struct usbhsh_ep { - struct usbhs_pipe *pipe; + struct usbhs_pipe *pipe; /* attached pipe */ struct usbhsh_device *udev; /* attached udev */ + struct usb_host_endpoint *ep; struct list_head ep_list; /* list to usbhsh_device */ - - int maxp; }; #define USBHSH_DEVICE_MAX 10 /* see DEVADDn / DCPMAXP / PIPEMAXP */ @@ -98,16 +95,9 @@ struct usbhsh_hpriv { struct usbhsh_device udev[USBHSH_DEVICE_MAX]; - struct usbhsh_pipe_info *pipe_info; - int pipe_size; - u32 port_stat; /* USB_PORT_STAT_xxx */ - struct completion *done; - - /* see usbhsh_req_alloc/free */ - struct list_head ureq_link_active; - struct list_head ureq_link_free; + struct completion setup_ack_done; }; @@ -119,17 +109,6 @@ static const char usbhsh_hcd_name[] = "renesas_usbhs host"; #define usbhsh_priv_to_hpriv(priv) \ container_of(usbhs_mod_get(priv, USBHS_HOST), struct usbhsh_hpriv, mod) -#define __usbhsh_for_each_hpipe(start, pos, h, i) \ - for (i = start, pos = (h)->hpipe + i; \ - i < (h)->hpipe_size; \ - i++, pos = (h)->hpipe + i) - -#define usbhsh_for_each_hpipe(pos, hpriv, i) \ - __usbhsh_for_each_hpipe(1, pos, hpriv, i) - -#define usbhsh_for_each_hpipe_with_dcp(pos, hpriv, i) \ - __usbhsh_for_each_hpipe(0, pos, hpriv, i) - #define __usbhsh_for_each_udev(start, pos, h, i) \ for (i = start, pos = (h)->udev + i; \ i < USBHSH_DEVICE_MAX; \ @@ -152,15 +131,20 @@ static const char usbhsh_hcd_name[] = "renesas_usbhs host"; #define usbhsh_ep_to_uep(u) ((u)->hcpriv) #define usbhsh_uep_to_pipe(u) ((u)->pipe) #define usbhsh_uep_to_udev(u) ((u)->udev) +#define usbhsh_uep_to_ep(u) ((u)->ep) + #define usbhsh_urb_to_ureq(u) ((u)->hcpriv) #define usbhsh_urb_to_usbv(u) ((u)->dev) #define usbhsh_usbv_to_udev(d) dev_get_drvdata(&(d)->dev) #define usbhsh_udev_to_usbv(h) ((h)->usbv) +#define usbhsh_udev_is_used(h) usbhsh_udev_to_usbv(h) -#define usbhsh_pipe_info(p) ((p)->mod_private) +#define usbhsh_pipe_to_uep(p) ((p)->mod_private) +#define usbhsh_device_parent(d) (usbhsh_usbv_to_udev((d)->usbv->parent)) +#define usbhsh_device_hubport(d) ((d)->usbv->portnum) #define usbhsh_device_number(h, d) ((int)((d) - (h)->udev)) #define usbhsh_device_nth(h, d) ((h)->udev + d) #define usbhsh_device0(h) usbhsh_device_nth(h, 0) @@ -170,156 +154,428 @@ static const char usbhsh_hcd_name[] = "renesas_usbhs host"; #define usbhsh_port_stat_clear(h, s) ((h)->port_stat &= ~(s)) #define usbhsh_port_stat_get(h) ((h)->port_stat) -#define usbhsh_pkt_to_req(p) \ +#define usbhsh_pkt_to_ureq(p) \ container_of((void *)p, struct usbhsh_request, pkt) /* * req alloc/free */ -static void usbhsh_req_list_init(struct usbhsh_hpriv *hpriv) +static struct usbhsh_request *usbhsh_ureq_alloc(struct usbhsh_hpriv *hpriv, + struct urb *urb, + gfp_t mem_flags) { - INIT_LIST_HEAD(&hpriv->ureq_link_active); - INIT_LIST_HEAD(&hpriv->ureq_link_free); + struct usbhsh_request *ureq; + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct device *dev = usbhs_priv_to_dev(priv); + + ureq = kzalloc(sizeof(struct usbhsh_request), mem_flags); + if (!ureq) { + dev_err(dev, "ureq alloc fail\n"); + return NULL; + } + + usbhs_pkt_init(&ureq->pkt); + ureq->urb = urb; + usbhsh_urb_to_ureq(urb) = ureq; + + return ureq; } -static void usbhsh_req_list_quit(struct usbhsh_hpriv *hpriv) +static void usbhsh_ureq_free(struct usbhsh_hpriv *hpriv, + struct usbhsh_request *ureq) { - struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); - struct device *dev = usbhsh_hcd_to_dev(hcd); - struct usbhsh_request *ureq, *next; - - /* kfree all active ureq */ - list_for_each_entry_safe(ureq, next, - &hpriv->ureq_link_active, - ureq_link) { - dev_err(dev, "active ureq (%p) is force freed\n", ureq); - kfree(ureq); - } + usbhsh_urb_to_ureq(ureq->urb) = NULL; + ureq->urb = NULL; - /* kfree all free ureq */ - list_for_each_entry_safe(ureq, next, &hpriv->ureq_link_free, ureq_link) - kfree(ureq); + kfree(ureq); } -static struct usbhsh_request *usbhsh_req_alloc(struct usbhsh_hpriv *hpriv, - struct urb *urb, - gfp_t mem_flags) +/* + * status + */ +static int usbhsh_is_running(struct usbhsh_hpriv *hpriv) +{ + /* + * we can decide some device is attached or not + * by checking mod.irq_attch + * see + * usbhsh_irq_attch() + * usbhsh_irq_dtch() + */ + return (hpriv->mod.irq_attch == NULL); +} + +/* + * pipe control + */ +static void usbhsh_endpoint_sequence_save(struct usbhsh_hpriv *hpriv, + struct urb *urb, + struct usbhs_pkt *pkt) +{ + int len = urb->actual_length; + int maxp = usb_endpoint_maxp(&urb->ep->desc); + int t = 0; + + /* DCP is out of sequence control */ + if (usb_pipecontrol(urb->pipe)) + return; + + /* + * renesas_usbhs pipe has a limitation in a number. + * So, driver should re-use the limited pipe for each device/endpoint. + * DATA0/1 sequence should be saved for it. + * see [image of mod_host] + * [HARDWARE LIMITATION] + */ + + /* + * next sequence depends on actual_length + * + * ex) actual_length = 1147, maxp = 512 + * data0 : 512 + * data1 : 512 + * data0 : 123 + * data1 is the next sequence + */ + t = len / maxp; + if (len % maxp) + t++; + if (pkt->zero) + t++; + t %= 2; + + if (t) + usb_dotoggle(urb->dev, + usb_pipeendpoint(urb->pipe), + usb_pipeout(urb->pipe)); +} + +static struct usbhsh_device *usbhsh_device_get(struct usbhsh_hpriv *hpriv, + struct urb *urb); + +static int usbhsh_pipe_attach(struct usbhsh_hpriv *hpriv, + struct urb *urb) { - struct usbhsh_request *ureq; struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep); + struct usbhsh_device *udev = usbhsh_device_get(hpriv, urb); + struct usbhs_pipe *pipe; + struct usb_endpoint_descriptor *desc = &urb->ep->desc; struct device *dev = usbhs_priv_to_dev(priv); + unsigned long flags; + int dir_in_req = !!usb_pipein(urb->pipe); + int is_dcp = usb_endpoint_xfer_control(desc); + int i, dir_in; + int ret = -EBUSY; + + /******************** spin lock ********************/ + usbhs_lock(priv, flags); + + if (unlikely(usbhsh_uep_to_pipe(uep))) { + dev_err(dev, "uep already has pipe\n"); + goto usbhsh_pipe_attach_done; + } + + usbhs_for_each_pipe_with_dcp(pipe, priv, i) { + + /* check pipe type */ + if (!usbhs_pipe_type_is(pipe, usb_endpoint_type(desc))) + continue; + + /* check pipe direction if normal pipe */ + if (!is_dcp) { + dir_in = !!usbhs_pipe_is_dir_in(pipe); + if (0 != (dir_in - dir_in_req)) + continue; + } + + /* check pipe is free */ + if (usbhsh_pipe_to_uep(pipe)) + continue; - if (list_empty(&hpriv->ureq_link_free)) { /* - * create new one if there is no free ureq + * attach pipe to uep + * + * usbhs_pipe_config_update() should be called after + * usbhs_set_device_config() + * see + * DCPMAXP/PIPEMAXP */ - ureq = kzalloc(sizeof(struct usbhsh_request), mem_flags); - if (ureq) - INIT_LIST_HEAD(&ureq->ureq_link); + usbhsh_uep_to_pipe(uep) = pipe; + usbhsh_pipe_to_uep(pipe) = uep; + + usbhs_pipe_config_update(pipe, + usbhsh_device_number(hpriv, udev), + usb_endpoint_num(desc), + usb_endpoint_maxp(desc)); + + dev_dbg(dev, "%s [%d-%d(%s:%s)]\n", __func__, + usbhsh_device_number(hpriv, udev), + usb_endpoint_num(desc), + usbhs_pipe_name(pipe), + dir_in_req ? "in" : "out"); + + ret = 0; + break; + } + +usbhsh_pipe_attach_done: + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ + + return ret; +} + +static void usbhsh_pipe_detach(struct usbhsh_hpriv *hpriv, + struct usbhsh_ep *uep) +{ + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct usbhs_pipe *pipe; + struct device *dev = usbhs_priv_to_dev(priv); + unsigned long flags; + + /******************** spin lock ********************/ + usbhs_lock(priv, flags); + + pipe = usbhsh_uep_to_pipe(uep); + + if (unlikely(!pipe)) { + dev_err(dev, "uep doens't have pipe\n"); } else { - /* - * reuse "free" ureq if exist - */ - ureq = list_entry(hpriv->ureq_link_free.next, - struct usbhsh_request, - ureq_link); - if (ureq) - list_del_init(&ureq->ureq_link); + struct usb_host_endpoint *ep = usbhsh_uep_to_ep(uep); + struct usbhsh_device *udev = usbhsh_uep_to_udev(uep); + + /* detach pipe from uep */ + usbhsh_uep_to_pipe(uep) = NULL; + usbhsh_pipe_to_uep(pipe) = NULL; + + dev_dbg(dev, "%s [%d-%d(%s)]\n", __func__, + usbhsh_device_number(hpriv, udev), + usb_endpoint_num(&ep->desc), + usbhs_pipe_name(pipe)); } - if (!ureq) { - dev_err(dev, "ureq alloc fail\n"); - return NULL; + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ +} + +/* + * endpoint control + */ +static int usbhsh_endpoint_attach(struct usbhsh_hpriv *hpriv, + struct urb *urb, + gfp_t mem_flags) +{ + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct usbhsh_device *udev = usbhsh_device_get(hpriv, urb); + struct usb_host_endpoint *ep = urb->ep; + struct usbhsh_ep *uep; + struct device *dev = usbhs_priv_to_dev(priv); + struct usb_endpoint_descriptor *desc = &ep->desc; + unsigned long flags; + + uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags); + if (!uep) { + dev_err(dev, "usbhsh_ep alloc fail\n"); + return -ENOMEM; } - usbhs_pkt_init(&ureq->pkt); + /******************** spin lock ********************/ + usbhs_lock(priv, flags); /* - * push it to "active" list + * init endpoint */ - list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_active); - ureq->urb = urb; + INIT_LIST_HEAD(&uep->ep_list); + list_add_tail(&uep->ep_list, &udev->ep_list_head); - return ureq; + usbhsh_uep_to_udev(uep) = udev; + usbhsh_uep_to_ep(uep) = ep; + usbhsh_ep_to_uep(ep) = uep; + + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ + + dev_dbg(dev, "%s [%d-%d]\n", __func__, + usbhsh_device_number(hpriv, udev), + usb_endpoint_num(desc)); + + return 0; } -static void usbhsh_req_free(struct usbhsh_hpriv *hpriv, - struct usbhsh_request *ureq) +static void usbhsh_endpoint_detach(struct usbhsh_hpriv *hpriv, + struct usb_host_endpoint *ep) { - struct usbhs_pkt *pkt = &ureq->pkt; + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct device *dev = usbhs_priv_to_dev(priv); + struct usbhsh_ep *uep = usbhsh_ep_to_uep(ep); + unsigned long flags; - usbhs_pkt_init(pkt); + if (!uep) + return; - /* - * removed from "active" list, - * and push it to "free" list - */ - ureq->urb = NULL; - list_del_init(&ureq->ureq_link); - list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_free); + dev_dbg(dev, "%s [%d-%d]\n", __func__, + usbhsh_device_number(hpriv, usbhsh_uep_to_udev(uep)), + usb_endpoint_num(&ep->desc)); + + if (usbhsh_uep_to_pipe(uep)) + usbhsh_pipe_detach(hpriv, uep); + + /******************** spin lock ********************/ + usbhs_lock(priv, flags); + + /* remove this endpoint from udev */ + list_del_init(&uep->ep_list); + + usbhsh_uep_to_udev(uep) = NULL; + usbhsh_uep_to_ep(uep) = NULL; + usbhsh_ep_to_uep(ep) = NULL; + + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ + + kfree(uep); +} + +static void usbhsh_endpoint_detach_all(struct usbhsh_hpriv *hpriv, + struct usbhsh_device *udev) +{ + struct usbhsh_ep *uep, *next; + + list_for_each_entry_safe(uep, next, &udev->ep_list_head, ep_list) + usbhsh_endpoint_detach(hpriv, usbhsh_uep_to_ep(uep)); } /* * device control */ +static int usbhsh_connected_to_rhdev(struct usb_hcd *hcd, + struct usbhsh_device *udev) +{ + struct usb_device *usbv = usbhsh_udev_to_usbv(udev); + + return hcd->self.root_hub == usbv->parent; +} static int usbhsh_device_has_endpoint(struct usbhsh_device *udev) { return !list_empty(&udev->ep_list_head); } -static struct usbhsh_device *usbhsh_device_alloc(struct usbhsh_hpriv *hpriv, +static struct usbhsh_device *usbhsh_device_get(struct usbhsh_hpriv *hpriv, + struct urb *urb) +{ + struct usb_device *usbv = usbhsh_urb_to_usbv(urb); + struct usbhsh_device *udev = usbhsh_usbv_to_udev(usbv); + + /* usbhsh_device_attach() is still not called */ + if (!udev) + return NULL; + + /* if it is device0, return it */ + if (0 == usb_pipedevice(urb->pipe)) + return usbhsh_device0(hpriv); + + /* return attached device */ + return udev; +} + +static struct usbhsh_device *usbhsh_device_attach(struct usbhsh_hpriv *hpriv, struct urb *urb) { struct usbhsh_device *udev = NULL; + struct usbhsh_device *udev0 = usbhsh_device0(hpriv); + struct usbhsh_device *pos; struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); struct device *dev = usbhsh_hcd_to_dev(hcd); struct usb_device *usbv = usbhsh_urb_to_usbv(urb); struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + unsigned long flags; + u16 upphub, hubport; int i; /* - * device 0 + * This function should be called only while urb is pointing to device0. + * It will attach unused usbhsh_device to urb (usbv), + * and initialize device0. + * You can use usbhsh_device_get() to get "current" udev, + * and usbhsh_usbv_to_udev() is for "attached" udev. */ - if (0 == usb_pipedevice(urb->pipe)) { - udev = usbhsh_device0(hpriv); - goto usbhsh_device_find; + if (0 != usb_pipedevice(urb->pipe)) { + dev_err(dev, "%s fail: urb isn't pointing device0\n", __func__); + return NULL; } + /******************** spin lock ********************/ + usbhs_lock(priv, flags); + /* * find unused device */ - usbhsh_for_each_udev(udev, hpriv, i) { - if (usbhsh_udev_to_usbv(udev)) + usbhsh_for_each_udev(pos, hpriv, i) { + if (usbhsh_udev_is_used(pos)) continue; - goto usbhsh_device_find; + udev = pos; + break; + } + + if (udev) { + /* + * usbhsh_usbv_to_udev() + * usbhsh_udev_to_usbv() + * will be enable + */ + dev_set_drvdata(&usbv->dev, udev); + udev->usbv = usbv; } - dev_err(dev, "no free usbhsh_device\n"); + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ - return NULL; + if (!udev) { + dev_err(dev, "no free usbhsh_device\n"); + return NULL; + } -usbhsh_device_find: - if (usbhsh_device_has_endpoint(udev)) + if (usbhsh_device_has_endpoint(udev)) { dev_warn(dev, "udev have old endpoint\n"); + usbhsh_endpoint_detach_all(hpriv, udev); + } + + if (usbhsh_device_has_endpoint(udev0)) { + dev_warn(dev, "udev0 have old endpoint\n"); + usbhsh_endpoint_detach_all(hpriv, udev0); + } /* uep will be attached */ + INIT_LIST_HEAD(&udev0->ep_list_head); INIT_LIST_HEAD(&udev->ep_list_head); /* - * usbhsh_usbv_to_udev() - * usbhsh_udev_to_usbv() - * will be enable + * set device0 config */ - dev_set_drvdata(&usbv->dev, udev); - udev->usbv = usbv; + usbhs_set_device_config(priv, + 0, 0, 0, usbv->speed); - /* set device config */ - usbhs_set_device_speed(priv, - usbhsh_device_number(hpriv, udev), + /* + * set new device config + */ + upphub = 0; + hubport = 0; + if (!usbhsh_connected_to_rhdev(hcd, udev)) { + /* if udev is not connected to rhdev, it means parent is Hub */ + struct usbhsh_device *parent = usbhsh_device_parent(udev); + + upphub = usbhsh_device_number(hpriv, parent); + hubport = usbhsh_device_hubport(udev); + + dev_dbg(dev, "%s connecte to Hub [%d:%d](%p)\n", __func__, + upphub, hubport, parent); + } + + usbhs_set_device_config(priv, usbhsh_device_number(hpriv, udev), - 0, /* FIXME no parent */ - usbv->speed); + upphub, hubport, usbv->speed); dev_dbg(dev, "%s [%d](%p)\n", __func__, usbhsh_device_number(hpriv, udev), udev); @@ -327,139 +583,45 @@ usbhsh_device_find: return udev; } -static void usbhsh_device_free(struct usbhsh_hpriv *hpriv, +static void usbhsh_device_detach(struct usbhsh_hpriv *hpriv, struct usbhsh_device *udev) { struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); struct device *dev = usbhsh_hcd_to_dev(hcd); struct usb_device *usbv = usbhsh_udev_to_usbv(udev); + unsigned long flags; dev_dbg(dev, "%s [%d](%p)\n", __func__, usbhsh_device_number(hpriv, udev), udev); - if (usbhsh_device_has_endpoint(udev)) + if (usbhsh_device_has_endpoint(udev)) { dev_warn(dev, "udev still have endpoint\n"); - - /* - * usbhsh_usbv_to_udev() - * usbhsh_udev_to_usbv() - * will be disable - */ - dev_set_drvdata(&usbv->dev, NULL); - udev->usbv = NULL; -} - -/* - * end-point control - */ -struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv, - struct usbhsh_device *udev, - struct usb_host_endpoint *ep, - gfp_t mem_flags) -{ - struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); - struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); - struct usbhsh_ep *uep; - struct usbhsh_pipe_info *info; - struct usbhs_pipe *pipe, *best_pipe; - struct device *dev = usbhsh_hcd_to_dev(hcd); - struct usb_endpoint_descriptor *desc = &ep->desc; - int type, i; - unsigned int min_usr; - - uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags); - if (!uep) { - dev_err(dev, "usbhsh_ep alloc fail\n"); - return NULL; + usbhsh_endpoint_detach_all(hpriv, udev); } - type = usb_endpoint_type(desc); /* - * find best pipe for endpoint + * There is nothing to do if it is device0. * see - * HARDWARE LIMITATION - */ - min_usr = ~0; - best_pipe = NULL; - usbhs_for_each_pipe_with_dcp(pipe, priv, i) { - if (!usbhs_pipe_type_is(pipe, type)) - continue; - - info = usbhsh_pipe_info(pipe); - - if (min_usr > info->usr_cnt) { - min_usr = info->usr_cnt; - best_pipe = pipe; - } - } - - if (unlikely(!best_pipe)) { - dev_err(dev, "couldn't find best pipe\n"); - kfree(uep); - return NULL; - } - - /* - * init uep - */ - uep->pipe = best_pipe; - uep->maxp = usb_endpoint_maxp(desc); - usbhsh_uep_to_udev(uep) = udev; - usbhsh_ep_to_uep(ep) = uep; - - /* - * update pipe user count + * usbhsh_device_attach() + * usbhsh_device_get() */ - info = usbhsh_pipe_info(best_pipe); - info->usr_cnt++; + if (0 == usbhsh_device_number(hpriv, udev)) + return; - /* init this endpoint, and attach it to udev */ - INIT_LIST_HEAD(&uep->ep_list); - list_add_tail(&uep->ep_list, &udev->ep_list_head); + /******************** spin lock ********************/ + usbhs_lock(priv, flags); /* - * usbhs_pipe_config_update() should be called after - * usbhs_device_config() - * see - * DCPMAXP/PIPEMAXP + * usbhsh_usbv_to_udev() + * usbhsh_udev_to_usbv() + * will be disable */ - usbhs_pipe_config_update(uep->pipe, - usbhsh_device_number(hpriv, udev), - usb_endpoint_num(desc), - uep->maxp); - - dev_dbg(dev, "%s [%d-%s](%p)\n", __func__, - usbhsh_device_number(hpriv, udev), - usbhs_pipe_name(pipe), uep); - - return uep; -} - -void usbhsh_endpoint_free(struct usbhsh_hpriv *hpriv, - struct usb_host_endpoint *ep) -{ - struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); - struct device *dev = usbhs_priv_to_dev(priv); - struct usbhsh_ep *uep = usbhsh_ep_to_uep(ep); - struct usbhsh_pipe_info *info; - - if (!uep) - return; - - dev_dbg(dev, "%s [%d-%s](%p)\n", __func__, - usbhsh_device_number(hpriv, usbhsh_uep_to_udev(uep)), - usbhs_pipe_name(uep->pipe), uep); - - info = usbhsh_pipe_info(uep->pipe); - info->usr_cnt--; - - /* remove this endpoint from udev */ - list_del_init(&uep->ep_list); - - usbhsh_uep_to_udev(uep) = NULL; - usbhsh_ep_to_uep(ep) = NULL; + dev_set_drvdata(&usbv->dev, NULL); + udev->usbv = NULL; - kfree(uep); + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ } /* @@ -467,11 +629,12 @@ void usbhsh_endpoint_free(struct usbhsh_hpriv *hpriv, */ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) { - struct usbhsh_request *ureq = usbhsh_pkt_to_req(pkt); + struct usbhsh_request *ureq = usbhsh_pkt_to_ureq(pkt); struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); struct urb *urb = ureq->urb; struct device *dev = usbhs_priv_to_dev(priv); + int status = 0; dev_dbg(dev, "%s\n", __func__); @@ -480,29 +643,43 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) return; } + if (!usbhsh_is_running(hpriv)) + status = -ESHUTDOWN; + urb->actual_length = pkt->actual; - usbhsh_req_free(hpriv, ureq); - usbhsh_urb_to_ureq(urb) = NULL; + usbhsh_ureq_free(hpriv, ureq); + + usbhsh_endpoint_sequence_save(hpriv, urb, pkt); + usbhsh_pipe_detach(hpriv, usbhsh_ep_to_uep(urb->ep)); usb_hcd_unlink_urb_from_ep(hcd, urb); - usb_hcd_giveback_urb(hcd, urb, 0); + usb_hcd_giveback_urb(hcd, urb, status); } static int usbhsh_queue_push(struct usb_hcd *hcd, - struct usbhs_pipe *pipe, - struct urb *urb) + struct urb *urb, + gfp_t mem_flags) { - struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb); - struct usbhs_pkt *pkt = &ureq->pkt; + struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd); + struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep); + struct usbhs_pipe *pipe = usbhsh_uep_to_pipe(uep); struct device *dev = usbhsh_hcd_to_dev(hcd); + struct usbhsh_request *ureq; void *buf; - int len; + int len, sequence; if (usb_pipeisoc(urb->pipe)) { dev_err(dev, "pipe iso is not supported now\n"); return -EIO; } + /* this ureq will be freed on usbhsh_queue_done() */ + ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags); + if (unlikely(!ureq)) { + dev_err(dev, "ureq alloc fail\n"); + return -ENOMEM; + } + if (usb_pipein(urb->pipe)) pipe->handler = &usbhs_fifo_pio_pop_handler; else @@ -511,25 +688,59 @@ static int usbhsh_queue_push(struct usb_hcd *hcd, buf = (void *)(urb->transfer_buffer + urb->actual_length); len = urb->transfer_buffer_length - urb->actual_length; + sequence = usb_gettoggle(urb->dev, + usb_pipeendpoint(urb->pipe), + usb_pipeout(urb->pipe)); + dev_dbg(dev, "%s\n", __func__); - usbhs_pkt_push(pipe, pkt, usbhsh_queue_done, - buf, len, (urb->transfer_flags & URB_ZERO_PACKET)); + usbhs_pkt_push(pipe, &ureq->pkt, usbhsh_queue_done, + buf, len, (urb->transfer_flags & URB_ZERO_PACKET), + sequence); + usbhs_pkt_start(pipe); return 0; } +static void usbhsh_queue_force_pop(struct usbhs_priv *priv, + struct usbhs_pipe *pipe) +{ + struct usbhs_pkt *pkt; + + while (1) { + pkt = usbhs_pkt_pop(pipe, NULL); + if (!pkt) + break; + + /* + * if all packet are gone, usbhsh_endpoint_disable() + * will be called. + * then, attached device/endpoint/pipe will be detached + */ + usbhsh_queue_done(priv, pkt); + } +} + +static void usbhsh_queue_force_pop_all(struct usbhs_priv *priv) +{ + struct usbhs_pipe *pos; + int i; + + usbhs_for_each_pipe_with_dcp(pos, priv, i) + usbhsh_queue_force_pop(priv, pos); +} + /* * DCP setup stage */ static int usbhsh_is_request_address(struct urb *urb) { - struct usb_ctrlrequest *cmd; + struct usb_ctrlrequest *req; - cmd = (struct usb_ctrlrequest *)urb->setup_packet; + req = (struct usb_ctrlrequest *)urb->setup_packet; - if ((DeviceOutRequest == cmd->bRequestType << 8) && - (USB_REQ_SET_ADDRESS == cmd->bRequest)) + if ((DeviceOutRequest == req->bRequestType << 8) && + (USB_REQ_SET_ADDRESS == req->bRequest)) return 1; else return 0; @@ -549,8 +760,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv, * usbhsh_irq_setup_ack() * usbhsh_irq_setup_err() */ - DECLARE_COMPLETION(done); - hpriv->done = &done; + init_completion(&hpriv->setup_ack_done); /* copy original request */ memcpy(&req, urb->setup_packet, sizeof(struct usb_ctrlrequest)); @@ -558,11 +768,15 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv, /* * renesas_usbhs can not use original usb address. * see HARDWARE LIMITATION. - * modify usb address here. + * modify usb address here to use attached device. + * see usbhsh_device_attach() */ if (usbhsh_is_request_address(urb)) { - /* FIXME */ - req.wValue = 1; + struct usb_device *usbv = usbhsh_urb_to_usbv(urb); + struct usbhsh_device *udev = usbhsh_usbv_to_udev(usbv); + + /* udev is a attached device */ + req.wValue = usbhsh_device_number(hpriv, udev); dev_dbg(dev, "create new address - %d\n", req.wValue); } @@ -572,8 +786,7 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv, /* * wait setup packet ACK */ - wait_for_completion(&done); - hpriv->done = NULL; + wait_for_completion(&hpriv->setup_ack_done); dev_dbg(dev, "%s done\n", __func__); } @@ -584,82 +797,80 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv, static void usbhsh_data_stage_packet_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) { - struct usbhsh_request *ureq = usbhsh_pkt_to_req(pkt); + struct usbhsh_request *ureq = usbhsh_pkt_to_ureq(pkt); struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); - struct urb *urb = ureq->urb; /* this ureq was connected to urb when usbhsh_urb_enqueue() */ - usbhsh_req_free(hpriv, ureq); - usbhsh_urb_to_ureq(urb) = NULL; + usbhsh_ureq_free(hpriv, ureq); } -static void usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv, - struct urb *urb, - struct usbhs_pipe *pipe) +static int usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv, + struct urb *urb, + struct usbhs_pipe *pipe, + gfp_t mem_flags) + { struct usbhsh_request *ureq; - struct usbhs_pkt *pkt; - /* - * FIXME - * - * data stage uses ureq which is connected to urb - * see usbhsh_urb_enqueue() :: alloc new request. - * it will be freed in usbhsh_data_stage_packet_done() - */ - ureq = usbhsh_urb_to_ureq(urb); - pkt = &ureq->pkt; + /* this ureq will be freed on usbhsh_data_stage_packet_done() */ + ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags); + if (unlikely(!ureq)) + return -ENOMEM; if (usb_pipein(urb->pipe)) pipe->handler = &usbhs_dcp_data_stage_in_handler; else pipe->handler = &usbhs_dcp_data_stage_out_handler; - usbhs_pkt_push(pipe, pkt, + usbhs_pkt_push(pipe, &ureq->pkt, usbhsh_data_stage_packet_done, urb->transfer_buffer, urb->transfer_buffer_length, - (urb->transfer_flags & URB_ZERO_PACKET)); + (urb->transfer_flags & URB_ZERO_PACKET), + -1); + + return 0; } /* * DCP status stage */ -static void usbhsh_status_stage_packet_push(struct usbhsh_hpriv *hpriv, +static int usbhsh_status_stage_packet_push(struct usbhsh_hpriv *hpriv, struct urb *urb, - struct usbhs_pipe *pipe) + struct usbhs_pipe *pipe, + gfp_t mem_flags) { struct usbhsh_request *ureq; - struct usbhs_pkt *pkt; - /* - * FIXME - * - * status stage uses allocated ureq. - * it will be freed on usbhsh_queue_done() - */ - ureq = usbhsh_req_alloc(hpriv, urb, GFP_KERNEL); - pkt = &ureq->pkt; + /* This ureq will be freed on usbhsh_queue_done() */ + ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags); + if (unlikely(!ureq)) + return -ENOMEM; if (usb_pipein(urb->pipe)) pipe->handler = &usbhs_dcp_status_stage_in_handler; else pipe->handler = &usbhs_dcp_status_stage_out_handler; - usbhs_pkt_push(pipe, pkt, + usbhs_pkt_push(pipe, &ureq->pkt, usbhsh_queue_done, NULL, urb->transfer_buffer_length, - 0); + 0, -1); + + return 0; } static int usbhsh_dcp_queue_push(struct usb_hcd *hcd, - struct usbhsh_hpriv *hpriv, - struct usbhs_pipe *pipe, - struct urb *urb) + struct urb *urb, + gfp_t mflags) { + struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd); + struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep); + struct usbhs_pipe *pipe = usbhsh_uep_to_pipe(uep); struct device *dev = usbhsh_hcd_to_dev(hcd); + int ret; dev_dbg(dev, "%s\n", __func__); @@ -675,13 +886,22 @@ static int usbhsh_dcp_queue_push(struct usb_hcd *hcd, * * It is pushed only when urb has buffer. */ - if (urb->transfer_buffer_length) - usbhsh_data_stage_packet_push(hpriv, urb, pipe); + if (urb->transfer_buffer_length) { + ret = usbhsh_data_stage_packet_push(hpriv, urb, pipe, mflags); + if (ret < 0) { + dev_err(dev, "data stage failed\n"); + return ret; + } + } /* * status stage */ - usbhsh_status_stage_packet_push(hpriv, urb, pipe); + ret = usbhsh_status_stage_packet_push(hpriv, urb, pipe, mflags); + if (ret < 0) { + dev_err(dev, "status stage failed\n"); + return ret; + } /* * start pushed packets @@ -718,70 +938,82 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd, struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd); struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); struct device *dev = usbhs_priv_to_dev(priv); - struct usb_device *usbv = usbhsh_urb_to_usbv(urb); struct usb_host_endpoint *ep = urb->ep; - struct usbhsh_request *ureq; - struct usbhsh_device *udev, *new_udev = NULL; - struct usbhs_pipe *pipe; - struct usbhsh_ep *uep; - + struct usbhsh_device *new_udev = NULL; + int is_dir_in = usb_pipein(urb->pipe); + int i; int ret; - dev_dbg(dev, "%s (%s)\n", - __func__, usb_pipein(urb->pipe) ? "in" : "out"); + dev_dbg(dev, "%s (%s)\n", __func__, is_dir_in ? "in" : "out"); + + if (!usbhsh_is_running(hpriv)) { + ret = -EIO; + dev_err(dev, "host is not running\n"); + goto usbhsh_urb_enqueue_error_not_linked; + } ret = usb_hcd_link_urb_to_ep(hcd, urb); - if (ret) + if (ret) { + dev_err(dev, "urb link failed\n"); goto usbhsh_urb_enqueue_error_not_linked; + } /* - * get udev + * attach udev if needed + * see [image of mod_host] */ - udev = usbhsh_usbv_to_udev(usbv); - if (!udev) { - new_udev = usbhsh_device_alloc(hpriv, urb); - if (!new_udev) + if (!usbhsh_device_get(hpriv, urb)) { + new_udev = usbhsh_device_attach(hpriv, urb); + if (!new_udev) { + ret = -EIO; + dev_err(dev, "device attach failed\n"); goto usbhsh_urb_enqueue_error_not_linked; - - udev = new_udev; + } } /* - * get uep + * attach endpoint if needed + * see [image of mod_host] */ - uep = usbhsh_ep_to_uep(ep); - if (!uep) { - uep = usbhsh_endpoint_alloc(hpriv, udev, ep, mem_flags); - if (!uep) + if (!usbhsh_ep_to_uep(ep)) { + ret = usbhsh_endpoint_attach(hpriv, urb, mem_flags); + if (ret < 0) { + dev_err(dev, "endpoint attach failed\n"); goto usbhsh_urb_enqueue_error_free_device; + } } - pipe = usbhsh_uep_to_pipe(uep); /* - * alloc new request + * attach pipe to endpoint + * see [image of mod_host] */ - ureq = usbhsh_req_alloc(hpriv, urb, mem_flags); - if (unlikely(!ureq)) { - ret = -ENOMEM; + for (i = 0; i < 1024; i++) { + ret = usbhsh_pipe_attach(hpriv, urb); + if (ret < 0) + msleep(100); + else + break; + } + if (ret < 0) { + dev_err(dev, "pipe attach failed\n"); goto usbhsh_urb_enqueue_error_free_endpoint; } - usbhsh_urb_to_ureq(urb) = ureq; /* * push packet */ if (usb_pipecontrol(urb->pipe)) - usbhsh_dcp_queue_push(hcd, hpriv, pipe, urb); + ret = usbhsh_dcp_queue_push(hcd, urb, mem_flags); else - usbhsh_queue_push(hcd, pipe, urb); + ret = usbhsh_queue_push(hcd, urb, mem_flags); - return 0; + return ret; usbhsh_urb_enqueue_error_free_endpoint: - usbhsh_endpoint_free(hpriv, ep); + usbhsh_endpoint_detach(hpriv, ep); usbhsh_urb_enqueue_error_free_device: if (new_udev) - usbhsh_device_free(hpriv, new_udev); + usbhsh_device_detach(hpriv, new_udev); usbhsh_urb_enqueue_error_not_linked: dev_dbg(dev, "%s error\n", __func__); @@ -795,8 +1027,11 @@ static int usbhsh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb); if (ureq) { - usbhsh_req_free(hpriv, ureq); - usbhsh_urb_to_ureq(urb) = NULL; + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct usbhs_pkt *pkt = &ureq->pkt; + + usbhs_pkt_pop(pkt->pipe, pkt); + usbhsh_queue_done(priv, pkt); } return 0; @@ -811,7 +1046,7 @@ static void usbhsh_endpoint_disable(struct usb_hcd *hcd, /* * this function might be called manytimes by same hcd/ep - * in-endpoitn == out-endpoint if ep == dcp. + * in-endpoint == out-endpoint if ep == dcp. */ if (!uep) return; @@ -819,15 +1054,14 @@ static void usbhsh_endpoint_disable(struct usb_hcd *hcd, udev = usbhsh_uep_to_udev(uep); hpriv = usbhsh_hcd_to_hpriv(hcd); - usbhsh_endpoint_free(hpriv, ep); - ep->hcpriv = NULL; + usbhsh_endpoint_detach(hpriv, ep); /* * if there is no endpoint, * free device */ if (!usbhsh_device_has_endpoint(udev)) - usbhsh_device_free(hpriv, udev); + usbhsh_device_detach(hpriv, udev); } static int usbhsh_hub_status_data(struct usb_hcd *hcd, char *buf) @@ -907,6 +1141,8 @@ static int __usbhsh_hub_port_feature(struct usbhsh_hpriv *hpriv, USB_PORT_STAT_HIGH_SPEED | USB_PORT_STAT_LOW_SPEED); + usbhsh_queue_force_pop_all(priv); + usbhs_bus_send_reset(priv); msleep(20); usbhs_bus_send_sof_enable(priv); @@ -1070,6 +1306,20 @@ static int usbhsh_irq_attch(struct usbhs_priv *priv, usbhsh_port_stat_set(hpriv, USB_PORT_STAT_CONNECTION); usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16); + /* + * attch interrupt might happen infinitely on some device + * (on self power USB hub ?) + * disable it here. + * + * usbhsh_is_running() becomes effective + * according to this process. + * see + * usbhsh_is_running() + * usbhsh_urb_enqueue() + */ + hpriv->mod.irq_attch = NULL; + usbhs_irq_callback_update(priv, &hpriv->mod); + return 0; } @@ -1084,6 +1334,24 @@ static int usbhsh_irq_dtch(struct usbhs_priv *priv, usbhsh_port_stat_clear(hpriv, USB_PORT_STAT_CONNECTION); usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16); + /* + * enable attch interrupt again + * + * usbhsh_is_running() becomes invalid + * according to this process. + * see + * usbhsh_is_running() + * usbhsh_urb_enqueue() + */ + hpriv->mod.irq_attch = usbhsh_irq_attch; + usbhs_irq_callback_update(priv, &hpriv->mod); + + /* + * usbhsh_queue_force_pop_all() should be called + * after usbhsh_is_running() becomes invalid. + */ + usbhsh_queue_force_pop_all(priv); + return 0; } @@ -1095,10 +1363,7 @@ static int usbhsh_irq_setup_ack(struct usbhs_priv *priv, dev_dbg(dev, "setup packet OK\n"); - if (unlikely(!hpriv->done)) - dev_err(dev, "setup ack happen without necessary data\n"); - else - complete(hpriv->done); /* see usbhsh_urb_enqueue() */ + complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */ return 0; } @@ -1111,10 +1376,7 @@ static int usbhsh_irq_setup_err(struct usbhs_priv *priv, dev_dbg(dev, "setup packet Err\n"); - if (unlikely(!hpriv->done)) - dev_err(dev, "setup err happen without necessary data\n"); - else - complete(hpriv->done); /* see usbhsh_urb_enqueue() */ + complete(&hpriv->setup_ack_done); /* see usbhsh_urb_enqueue() */ return 0; } @@ -1125,7 +1387,6 @@ static int usbhsh_irq_setup_err(struct usbhs_priv *priv, static void usbhsh_pipe_init_for_host(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); - struct usbhsh_pipe_info *pipe_info = hpriv->pipe_info; struct usbhs_pipe *pipe; u32 *pipe_type = usbhs_get_dparam(priv, pipe_type); int pipe_size = usbhs_get_dparam(priv, pipe_size); @@ -1134,7 +1395,6 @@ static void usbhsh_pipe_init_for_host(struct usbhs_priv *priv) /* init all pipe */ old_type = USB_ENDPOINT_XFER_CONTROL; for (i = 0; i < pipe_size; i++) { - pipe_info[i].usr_cnt = 0; /* * data "output" will be finished as soon as possible, @@ -1168,7 +1428,7 @@ static void usbhsh_pipe_init_for_host(struct usbhs_priv *priv) dir_in); } - pipe->mod_private = pipe_info + i; + pipe->mod_private = NULL; } } @@ -1199,9 +1459,7 @@ static int usbhsh_start(struct usbhs_priv *priv) * - host * - usb module */ - usbhs_sys_hispeed_ctrl(priv, 1); usbhs_sys_host_ctrl(priv, 1); - usbhs_sys_usb_ctrl(priv, 1); /* * enable irq callback @@ -1221,28 +1479,34 @@ static int usbhsh_stop(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); + struct usbhs_mod *mod = usbhs_mod_get_current(priv); struct device *dev = usbhs_priv_to_dev(priv); + /* + * disable irq callback + */ + mod->irq_attch = NULL; + mod->irq_dtch = NULL; + mod->irq_sack = NULL; + mod->irq_sign = NULL; + usbhs_irq_callback_update(priv, mod); + usb_remove_hcd(hcd); /* disable sys */ - usbhs_sys_hispeed_ctrl(priv, 0); usbhs_sys_host_ctrl(priv, 0); - usbhs_sys_usb_ctrl(priv, 0); dev_dbg(dev, "quit host\n"); return 0; } -int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv) +int usbhs_mod_host_probe(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv; struct usb_hcd *hcd; - struct usbhsh_pipe_info *pipe_info; struct usbhsh_device *udev; struct device *dev = usbhs_priv_to_dev(priv); - int pipe_size = usbhs_get_dparam(priv, pipe_size); int i; /* initialize hcd */ @@ -1251,12 +1515,7 @@ int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv) dev_err(dev, "Failed to create hcd\n"); return -ENOMEM; } - - pipe_info = kzalloc(sizeof(*pipe_info) * pipe_size, GFP_KERNEL); - if (!pipe_info) { - dev_err(dev, "Could not allocate pipe_info\n"); - goto usbhs_mod_host_probe_err; - } + hcd->has_tt = 1; /* for low/full speed */ /* * CAUTION @@ -1277,10 +1536,6 @@ int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv) hpriv->mod.name = "host"; hpriv->mod.start = usbhsh_start; hpriv->mod.stop = usbhsh_stop; - hpriv->pipe_info = pipe_info; - hpriv->pipe_size = pipe_size; - hpriv->done = NULL; - usbhsh_req_list_init(hpriv); usbhsh_port_stat_init(hpriv); /* init all device */ @@ -1292,20 +1547,13 @@ int __devinit usbhs_mod_host_probe(struct usbhs_priv *priv) dev_info(dev, "host probed\n"); return 0; - -usbhs_mod_host_probe_err: - usb_put_hcd(hcd); - - return -ENOMEM; } -int __devexit usbhs_mod_host_remove(struct usbhs_priv *priv) +int usbhs_mod_host_remove(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); - usbhsh_req_list_quit(hpriv); - usb_put_hcd(hcd); return 0; diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index c74389ce2177..feb06d6d2814 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -257,6 +257,13 @@ void usbhs_pipe_stall(struct usbhs_pipe *pipe) } } +int usbhs_pipe_is_stall(struct usbhs_pipe *pipe) +{ + u16 pid = usbhsp_pipectrl_get(pipe) & PID_MASK; + + return (int)(pid == PID_STALL10 || pid == PID_STALL11); +} + /* * pipe setup */ @@ -323,8 +330,7 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe, if (dir_in) usbhsp_flags_set(pipe, IS_DIR_HOST); - if ((is_host && !dir_in) || - (!is_host && dir_in)) + if (!!is_host ^ !!dir_in) dir |= DIR_OUT; if (!dir) @@ -471,10 +477,27 @@ int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe) return usbhsp_flags_has(pipe, IS_DIR_HOST); } -void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data) +void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int sequence) { u16 mask = (SQCLR | SQSET); - u16 val = (data) ? SQSET : SQCLR; + u16 val; + + /* + * sequence + * 0 : data0 + * 1 : data1 + * -1 : no change + */ + switch (sequence) { + case 0: + val = SQCLR; + break; + case 1: + val = SQSET; + break; + default: + return; + } usbhsp_pipectrl_set(pipe, mask, val); } diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 6334fc644cc0..fa18b7dc2b2a 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -87,6 +87,7 @@ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe); void usbhs_pipe_enable(struct usbhs_pipe *pipe); void usbhs_pipe_disable(struct usbhs_pipe *pipe); void usbhs_pipe_stall(struct usbhs_pipe *pipe); +int usbhs_pipe_is_stall(struct usbhs_pipe *pipe); void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo); void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel, u16 epnum, u16 maxp); diff --git a/drivers/usb/serial/ChangeLog.history b/drivers/usb/serial/ChangeLog.history deleted file mode 100644 index f13fd488ebec..000000000000 --- a/drivers/usb/serial/ChangeLog.history +++ /dev/null @@ -1,730 +0,0 @@ -This is the contents of some of the drivers/usb/serial/ files that had old -changelog comments. They were quite old, and out of date, and we don't keep -them anymore, so I've put them here, away from the source files, in case -people still care to see them. - -- Greg Kroah-Hartman <greg@kroah.com> October 20, 2005 - ------------------------------------------------------------------------ -usb-serial.h Change Log comments: - - (03/26/2002) gkh - removed the port->tty check from port_paranoia_check() due to serial - consoles not having a tty device assigned to them. - - (12/03/2001) gkh - removed active from the port structure. - added documentation to the usb_serial_device_type structure - - (10/10/2001) gkh - added vendor and product to serial structure. Needed to determine device - owner when the device is disconnected. - - (05/30/2001) gkh - added sem to port structure and removed port_lock - - (10/05/2000) gkh - Added interrupt_in_endpointAddress and bulk_in_endpointAddress to help - fix bug with urb->dev not being set properly, now that the usb core - needs it. - - (09/11/2000) gkh - Added usb_serial_debug_data function to help get rid of #DEBUG in the - drivers. - - (08/28/2000) gkh - Added port_lock to port structure. - - (08/08/2000) gkh - Added open_count to port structure. - - (07/23/2000) gkh - Added bulk_out_endpointAddress to port structure. - - (07/19/2000) gkh, pberger, and borchers - Modifications to allow usb-serial drivers to be modules. - ------------------------------------------------------------------------ -usb-serial.c Change Log comments: - - (12/10/2002) gkh - Split the ports off into their own struct device, and added a - usb-serial bus driver. - - (11/19/2002) gkh - removed a few #ifdefs for the generic code and cleaned up the failure - logic in initialization. - - (10/02/2002) gkh - moved the console code to console.c and out of this file. - - (06/05/2002) gkh - moved location of startup() call in serial_probe() until after all - of the port information and endpoints are initialized. This makes - things easier for some drivers. - - (04/10/2002) gkh - added serial_read_proc function which creates a - /proc/tty/driver/usb-serial file. - - (03/27/2002) gkh - Got USB serial console code working properly and merged into the main - version of the tree. Thanks to Randy Dunlap for the initial version - of this code, and for pushing me to finish it up. - The USB serial console works with any usb serial driver device. - - (03/21/2002) gkh - Moved all manipulation of port->open_count into the core. Now the - individual driver's open and close functions are called only when the - first open() and last close() is called. Making the drivers a bit - smaller and simpler. - Fixed a bug if a driver didn't have the owner field set. - - (02/26/2002) gkh - Moved all locking into the main serial_* functions, instead of having - the individual drivers have to grab the port semaphore. This should - reduce races. - Reworked the MOD_INC logic a bit to always increment and decrement, even - if the generic driver is being used. - - (10/10/2001) gkh - usb_serial_disconnect() now sets the serial->dev pointer is to NULL to - help prevent child drivers from accessing the device since it is now - gone. - - (09/13/2001) gkh - Moved generic driver initialize after we have registered with the USB - core. Thanks to Randy Dunlap for pointing this problem out. - - (07/03/2001) gkh - Fixed module paramater size. Thanks to John Brockmeyer for the pointer. - Fixed vendor and product getting defined through the MODULE_PARM macro - if the Generic driver wasn't compiled in. - Fixed problem with generic_shutdown() not being called for drivers that - don't have a shutdown() function. - - (06/06/2001) gkh - added evil hack that is needed for the prolific pl2303 device due to the - crazy way its endpoints are set up. - - (05/30/2001) gkh - switched from using spinlock to a semaphore, which fixes lots of problems. - - (04/08/2001) gb - Identify version on module load. - - 2001_02_05 gkh - Fixed buffer overflows bug with the generic serial driver. Thanks to - Todd Squires <squirest@ct0.com> for fixing this. - - (01/10/2001) gkh - Fixed bug where the generic serial adaptor grabbed _any_ device that was - offered to it. - - (12/12/2000) gkh - Removed MOD_INC and MOD_DEC from poll and disconnect functions, and - moved them to the serial_open and serial_close functions. - Also fixed bug with there not being a MOD_DEC for the generic driver - (thanks to Gary Brubaker for finding this.) - - (11/29/2000) gkh - Small NULL pointer initialization cleanup which saves a bit of disk image - - (11/01/2000) Adam J. Richter - instead of using idVendor/idProduct pairs, usb serial drivers - now identify their hardware interest with usb_device_id tables, - which they usually have anyhow for use with MODULE_DEVICE_TABLE. - - (10/05/2000) gkh - Fixed bug with urb->dev not being set properly, now that the usb - core needs it. - - (09/11/2000) gkh - Removed DEBUG #ifdefs with call to usb_serial_debug_data - - (08/28/2000) gkh - Added port_lock to port structure. - Added locks for SMP safeness to generic driver - Fixed the ability to open a generic device's port more than once. - - (07/23/2000) gkh - Added bulk_out_endpointAddress to port structure. - - (07/19/2000) gkh, pberger, and borchers - Modifications to allow usb-serial drivers to be modules. - - (07/03/2000) gkh - Added more debugging to serial_ioctl call - - (06/25/2000) gkh - Changed generic_write_bulk_callback to not call wake_up_interruptible - directly, but to have port_softint do it at a safer time. - - (06/23/2000) gkh - Cleaned up debugging statements in a quest to find UHCI timeout bug. - - (05/22/2000) gkh - Changed the makefile, enabling the big CONFIG_USB_SERIAL_SOMTHING to be - removed from the individual device source files. - - (05/03/2000) gkh - Added the Digi Acceleport driver from Al Borchers and Peter Berger. - - (05/02/2000) gkh - Changed devfs and tty register code to work properly now. This was based on - the ACM driver changes by Vojtech Pavlik. - - (04/27/2000) Ryan VanderBijl - Put calls to *_paranoia_checks into one function. - - (04/23/2000) gkh - Fixed bug that Randy Dunlap found for Generic devices with no bulk out ports. - Moved when the startup code printed out the devices that are supported. - - (04/19/2000) gkh - Added driver for ZyXEL omni.net lcd plus ISDN TA - Made startup info message specify which drivers were compiled in. - - (04/03/2000) gkh - Changed the probe process to remove the module unload races. - Changed where the tty layer gets initialized to have devfs work nicer. - Added initial devfs support. - - (03/26/2000) gkh - Split driver up into device specific pieces. - - (03/19/2000) gkh - Fixed oops that could happen when device was removed while a program - was talking to the device. - Removed the static urbs and now all urbs are created and destroyed - dynamically. - Reworked the internal interface. Now everything is based on the - usb_serial_port structure instead of the larger usb_serial structure. - This fixes the bug that a multiport device could not have more than - one port open at one time. - - (03/17/2000) gkh - Added config option for debugging messages. - Added patch for keyspan pda from Brian Warner. - - (03/06/2000) gkh - Added the keyspan pda code from Brian Warner <warner@lothar.com> - Moved a bunch of the port specific stuff into its own structure. This - is in anticipation of the true multiport devices (there's a bug if you - try to access more than one port of any multiport device right now) - - (02/21/2000) gkh - Made it so that any serial devices only have to specify which functions - they want to overload from the generic function calls (great, - inheritance in C, in a driver, just what I wanted...) - Added support for set_termios and ioctl function calls. No drivers take - advantage of this yet. - Removed the #ifdef MODULE, now there is no module specific code. - Cleaned up a few comments in usb-serial.h that were wrong (thanks again - to Miles Lott). - Small fix to get_free_serial. - - (02/14/2000) gkh - Removed the Belkin and Peracom functionality from the driver due to - the lack of support from the vendor, and me not wanting people to - accidenatly buy the device, expecting it to work with Linux. - Added read_bulk_callback and write_bulk_callback to the type structure - for the needs of the FTDI and WhiteHEAT driver. - Changed all reverences to FTDI to FTDI_SIO at the request of Bill - Ryder. - Changed the output urb size back to the max endpoint size to make - the ftdi_sio driver have it easier, and due to the fact that it didn't - really increase the speed any. - - (02/11/2000) gkh - Added VISOR_FUNCTION_CONSOLE to the visor startup function. This was a - patch from Miles Lott (milos@insync.net). - Fixed bug with not restoring the minor range that a device grabs, if - the startup function fails (thanks Miles for finding this). - - (02/05/2000) gkh - Added initial framework for the Keyspan PDA serial converter so that - Brian Warner has a place to put his code. - Made the ezusb specific functions generic enough that different - devices can use them (whiteheat and keyspan_pda both need them). - Split out a whole bunch of structure and other stuff to a separate - usb-serial.h file. - Made the Visor connection messages a little more understandable, now - that Miles Lott (milos@insync.net) has gotten the Generic channel to - work. Also made them always show up in the log file. - - (01/25/2000) gkh - Added initial framework for FTDI serial converter so that Bill Ryder - has a place to put his code. - Added the vendor specific info from Handspring. Now we can print out - informational debug messages as well as understand what is happening. - - (01/23/2000) gkh - Fixed problem of crash when trying to open a port that didn't have a - device assigned to it. Made the minor node finding a little smarter, - now it looks to find a continuous space for the new device. - - (01/21/2000) gkh - Fixed bug in visor_startup with patch from Miles Lott (milos@insync.net) - Fixed get_serial_by_minor which was all messed up for multi port - devices. Fixed multi port problem for generic devices. Now the number - of ports is determined by the number of bulk out endpoints for the - generic device. - - (01/19/2000) gkh - Removed lots of cruft that was around from the old (pre urb) driver - interface. - Made the serial_table dynamic. This should save lots of memory when - the number of minor nodes goes up to 256. - Added initial support for devices that have more than one port. - Added more debugging comments for the Visor, and added a needed - set_configuration call. - - (01/17/2000) gkh - Fixed the WhiteHEAT firmware (my processing tool had a bug) - and added new debug loader firmware for it. - Removed the put_char function as it isn't really needed. - Added visor startup commands as found by the Win98 dump. - - (01/13/2000) gkh - Fixed the vendor id for the generic driver to the one I meant it to be. - - (01/12/2000) gkh - Forget the version numbering...that's pretty useless... - Made the driver able to be compiled so that the user can select which - converter they want to use. This allows people who only want the Visor - support to not pay the memory size price of the WhiteHEAT. - Fixed bug where the generic driver (idVendor=0000 and idProduct=0000) - grabbed the root hub. Not good. - - version 0.4.0 (01/10/2000) gkh - Added whiteheat.h containing the firmware for the ConnectTech WhiteHEAT - device. Added startup function to allow firmware to be downloaded to - a device if it needs to be. - Added firmware download logic to the WhiteHEAT device. - Started to add #defines to split up the different drivers for potential - configuration option. - - version 0.3.1 (12/30/99) gkh - Fixed problems with urb for bulk out. - Added initial support for multiple sets of endpoints. This enables - the Handspring Visor to be attached successfully. Only the first - bulk in / bulk out endpoint pair is being used right now. - - version 0.3.0 (12/27/99) gkh - Added initial support for the Handspring Visor based on a patch from - Miles Lott (milos@sneety.insync.net) - Cleaned up the code a bunch and converted over to using urbs only. - - version 0.2.3 (12/21/99) gkh - Added initial support for the Connect Tech WhiteHEAT converter. - Incremented the number of ports in expectation of getting the - WhiteHEAT to work properly (4 ports per connection). - Added notification on insertion and removal of what port the - device is/was connected to (and what kind of device it was). - - version 0.2.2 (12/16/99) gkh - Changed major number to the new allocated number. We're legal now! - - version 0.2.1 (12/14/99) gkh - Fixed bug that happens when device node is opened when there isn't a - device attached to it. Thanks to marek@webdesign.no for noticing this. - - version 0.2.0 (11/10/99) gkh - Split up internals to make it easier to add different types of serial - converters to the code. - Added a "generic" driver that gets it's vendor and product id - from when the module is loaded. Thanks to David E. Nelson (dnelson@jump.net) - for the idea and sample code (from the usb scanner driver.) - Cleared up any licensing questions by releasing it under the GNU GPL. - - version 0.1.2 (10/25/99) gkh - Fixed bug in detecting device. - - version 0.1.1 (10/05/99) gkh - Changed the major number to not conflict with anything else. - - version 0.1 (09/28/99) gkh - Can recognize the two different devices and start up a read from - device when asked to. Writes also work. No control signals yet, this - all is vendor specific data (i.e. no spec), also no control for - different baud rates or other bit settings. - Currently we are using the same devid as the acm driver. This needs - to change. - ------------------------------------------------------------------------ -visor.c Change Log comments: - - (06/03/2003) Judd Montgomery <judd at jpilot.org> - Added support for module parameter options for untested/unknown - devices. - - (03/09/2003) gkh - Added support for the Sony Clie NZ90V device. Thanks to Martin Brachtl - <brachtl@redgrep.cz> for the information. - - (03/05/2003) gkh - Think Treo support is now working. - - (04/03/2002) gkh - Added support for the Sony OS 4.1 devices. Thanks to Hiroyuki ARAKI - <hiro@zob.ne.jp> for the information. - - (03/27/2002) gkh - Removed assumptions that port->tty was always valid (is not true - for usb serial console devices.) - - (03/23/2002) gkh - Added support for the Palm i705 device, thanks to Thomas Riemer - <tom@netmech.com> for the information. - - (03/21/2002) gkh - Added support for the Palm m130 device, thanks to Udo Eisenbarth - <udo.eisenbarth@web.de> for the information. - - (02/27/2002) gkh - Reworked the urb handling logic. We have no more pool, but dynamically - allocate the urb and the transfer buffer on the fly. In testing this - does not incure any measurable overhead. This also relies on the fact - that we have proper reference counting logic for urbs. - - (02/21/2002) SilaS - Added initial support for the Palm m515 devices. - - (02/14/2002) gkh - Added support for the Clie S-360 device. - - (12/18/2001) gkh - Added better Clie support for 3.5 devices. Thanks to Geoffrey Levand - for the patch. - - (11/11/2001) gkh - Added support for the m125 devices, and added check to prevent oopses - for Clié devices that lie about the number of ports they have. - - (08/30/2001) gkh - Added support for the Clie devices, both the 3.5 and 4.0 os versions. - Many thanks to Daniel Burke, and Bryan Payne for helping with this. - - (08/23/2001) gkh - fixed a few potential bugs pointed out by Oliver Neukum. - - (05/30/2001) gkh - switched from using spinlock to a semaphore, which fixes lots of problems. - - (05/28/2000) gkh - Added initial support for the Palm m500 and Palm m505 devices. - - (04/08/2001) gb - Identify version on module load. - - (01/21/2000) gkh - Added write_room and chars_in_buffer, as they were previously using the - generic driver versions which is all wrong now that we are using an urb - pool. Thanks to Wolfgang Grandegger for pointing this out to me. - Removed count assignment in the write function, which was not needed anymore - either. Thanks to Al Borchers for pointing this out. - - (12/12/2000) gkh - Moved MOD_DEC to end of visor_close to be nicer, as the final write - message can sleep. - - (11/12/2000) gkh - Fixed bug with data being dropped on the floor by forcing tty->low_latency - to be on. Hopefully this fixes the OHCI issue! - - (11/01/2000) Adam J. Richter - usb_device_id table support - - (10/05/2000) gkh - Fixed bug with urb->dev not being set properly, now that the usb - core needs it. - - (09/11/2000) gkh - Got rid of always calling kmalloc for every urb we wrote out to the - device. - Added visor_read_callback so we can keep track of bytes in and out for - those people who like to know the speed of their device. - Removed DEBUG #ifdefs with call to usb_serial_debug_data - - (09/06/2000) gkh - Fixed oops in visor_exit. Need to uncomment usb_unlink_urb call _after_ - the host controller drivers set urb->dev = NULL when the urb is finished. - - (08/28/2000) gkh - Added locks for SMP safeness. - - (08/08/2000) gkh - Fixed endian problem in visor_startup. - Fixed MOD_INC and MOD_DEC logic and the ability to open a port more - than once. - - (07/23/2000) gkh - Added pool of write urbs to speed up transfers to the visor. - - (07/19/2000) gkh - Added module_init and module_exit functions to handle the fact that this - driver is a loadable module now. - - (07/03/2000) gkh - Added visor_set_ioctl and visor_set_termios functions (they don't do much - of anything, but are good for debugging.) - - (06/25/2000) gkh - Fixed bug in visor_unthrottle that should help with the disconnect in PPP - bug that people have been reporting. - - (06/23/2000) gkh - Cleaned up debugging statements in a quest to find UHCI timeout bug. - - (04/27/2000) Ryan VanderBijl - Fixed memory leak in visor_close - - (03/26/2000) gkh - Split driver up into device specific pieces. - ------------------------------------------------------------------------ -pl2303.c Change Log comments: - - 2002_Mar_26 gkh - allowed driver to work properly if there is no tty assigned to a port - (this happens for serial console devices.) - - 2001_Oct_06 gkh - Added RTS and DTR line control. Thanks to joe@bndlg.de for parts of it. - - 2001_Sep_19 gkh - Added break support. - - 2001_Aug_30 gkh - fixed oops in write_bulk_callback. - - 2001_Aug_28 gkh - reworked buffer logic to be like other usb-serial drivers. Hopefully - removing some reported problems. - - 2001_Jun_06 gkh - finished porting to 2.4 format. - - ------------------------------------------------------------------------ -io_edgeport.c Change Log comments: - - 2003_04_03 al borchers - - fixed a bug (that shows up with dosemu) where the tty struct is - used in a callback after it has been freed - - 2.3 2002_03_08 greg kroah-hartman - - fixed bug when multiple devices were attached at the same time. - - 2.2 2001_11_14 greg kroah-hartman - - fixed bug in edge_close that kept the port from being used more - than once. - - fixed memory leak on device removal. - - fixed potential double free of memory when command urb submitting - failed. - - other small cleanups when the device is removed - - 2.1 2001_07_09 greg kroah-hartman - - added support for TIOCMBIS and TIOCMBIC. - - (04/08/2001) gb - - Identify version on module load. - - 2.0 2001_03_05 greg kroah-hartman - - reworked entire driver to fit properly in with the other usb-serial - drivers. Occasional oopses still happen, but it's a good start. - - 1.2.3 (02/23/2001) greg kroah-hartman - - changed device table to work properly for 2.4.x final format. - - fixed problem with dropping data at high data rates. - - 1.2.2 (11/27/2000) greg kroah-hartman - - cleaned up more NTisms. - - Added device table for 2.4.0-test11 - - 1.2.1 (11/08/2000) greg kroah-hartman - - Started to clean up NTisms. - - Fixed problem with dev field of urb for kernels >= 2.4.0-test9 - - 1.2 (10/17/2000) David Iacovelli - Remove all EPIC code and GPL source - Fix RELEVANT_IFLAG macro to include flow control - changes port configuration changes. - Fix redefinition of SERIAL_MAGIC - Change all timeout values to 5 seconds - Tried to fix the UHCI multiple urb submission, but failed miserably. - it seems to work fine with OHCI. - ( Greg take a look at the #if 0 at end of WriteCmdUsb() we must - find a way to work arount this UHCI bug ) - - 1.1 (10/11/2000) David Iacovelli - Fix XON/XOFF flow control to support both IXON and IXOFF - - 0.9.27 (06/30/2000) David Iacovelli - Added transmit queue and now allocate urb for command writes. - - 0.9.26 (06/29/2000) David Iacovelli - Add support for 80251 based edgeport - - 0.9.25 (06/27/2000) David Iacovelli - Do not close the port if it has multiple opens. - - 0.9.24 (05/26/2000) David Iacovelli - Add IOCTLs to support RXTX and JAVA POS - and first cut at running BlackBox Demo - - 0.9.23 (05/24/2000) David Iacovelli - Add IOCTLs to support RXTX and JAVA POS - - 0.9.22 (05/23/2000) David Iacovelli - fixed bug in enumeration. If epconfig turns on mapping by - path after a device is already plugged in, we now update - the mapping correctly - - 0.9.21 (05/16/2000) David Iacovelli - Added BlockUntilChaseResp() to also wait for txcredits - Updated the way we allocate and handle write URBs - Add debug code to dump buffers - - 0.9.20 (05/01/2000) David Iacovelli - change driver to use usb/tts/ - - 0.9.19 (05/01/2000) David Iacovelli - Update code to compile if DEBUG is off - - 0.9.18 (04/28/2000) David Iacovelli - cleanup and test tty_register with devfs - - 0.9.17 (04/27/2000) greg kroah-hartman - changed tty_register around to be like the way it - was before, but now it works properly with devfs. - - 0.9.16 (04/26/2000) david iacovelli - Fixed bug in GetProductInfo() - - 0.9.15 (04/25/2000) david iacovelli - Updated enumeration - - 0.9.14 (04/24/2000) david iacovelli - Removed all config/status IOCTLS and - converted to using /proc/edgeport - still playing with devfs - - 0.9.13 (04/24/2000) david iacovelli - Removed configuration based on ttyUSB0 - Added support for configuration using /prod/edgeport - first attempt at using devfs (not working yet!) - Added IOCTL to GetProductInfo() - Added support for custom baud rates - Add support for random port numbers - - 0.9.12 (04/18/2000) david iacovelli - added additional configuration IOCTLs - use ttyUSB0 for configuration - - 0.9.11 (04/17/2000) greg kroah-hartman - fixed module initialization race conditions. - made all urbs dynamically allocated. - made driver devfs compatible. now it only registers the tty device - when the device is actually plugged in. - - 0.9.10 (04/13/2000) greg kroah-hartman - added proc interface framework. - - 0.9.9 (04/13/2000) david iacovelli - added enumeration code and ioctls to configure the device - - 0.9.8 (04/12/2000) david iacovelli - Change interrupt read start when device is plugged in - and stop when device is removed - process interrupt reads when all ports are closed - (keep value of rxBytesAvail consistent with the edgeport) - set the USB_BULK_QUEUE flag so that we can shove a bunch - of urbs at once down the pipe - - 0.9.7 (04/10/2000) david iacovelli - start to add enumeration code. - generate serial number for epic devices - add support for kdb - - 0.9.6 (03/30/2000) david iacovelli - add IOCTL to get string, manufacture, and boot descriptors - - 0.9.5 (03/14/2000) greg kroah-hartman - more error checking added to SerialOpen to try to fix UHCI open problem - - 0.9.4 (03/09/2000) greg kroah-hartman - added more error checking to handle oops when data is hanging - around and tty is abruptly closed. - - 0.9.3 (03/09/2000) david iacovelli - Add epic support for xon/xoff chars - play with performance - - 0.9.2 (03/08/2000) greg kroah-hartman - changed most "info" calls to "dbg" - implemented flow control properly in the termios call - - 0.9.1 (03/08/2000) david iacovelli - added EPIC support - enabled bootloader update - - 0.9 (03/08/2000) greg kroah-hartman - Release to IO networks. - Integrated changes that David made - made getting urbs for writing SMP safe - - 0.8 (03/07/2000) greg kroah-hartman - Release to IO networks. - Fixed problems that were seen in code by David. - Now both Edgeport/4 and Edgeport/2 works properly. - Changed most of the functions to use port instead of serial. - - 0.7 (02/27/2000) greg kroah-hartman - Milestone 3 release. - Release to IO Networks - ioctl for waiting on line change implemented. - ioctl for getting statistics implemented. - multiport support working. - lsr and msr registers are now handled properly. - change break now hooked up and working. - support for all known Edgeport devices. - - 0.6 (02/22/2000) greg kroah-hartman - Release to IO networks. - CHASE is implemented correctly when port is closed. - SerialOpen now blocks correctly until port is fully opened. - - 0.5 (02/20/2000) greg kroah-hartman - Release to IO networks. - Known problems: - modem status register changes are not sent on to the user - CHASE is not implemented when the port is closed. - - 0.4 (02/16/2000) greg kroah-hartman - Second cut at the CeBit demo. - Doesn't leak memory on every write to the port - Still small leaks on startup. - Added support for Edgeport/2 and Edgeport/8 - - 0.3 (02/15/2000) greg kroah-hartman - CeBit demo release. - Force the line settings to 4800, 8, 1, e for the demo. - Warning! This version leaks memory like crazy! - - 0.2 (01/30/2000) greg kroah-hartman - Milestone 1 release. - Device is found by USB subsystem, enumerated, firmware is downloaded - and the descriptors are printed to the debug log, config is set, and - green light starts to blink. Open port works, and data can be sent - and received at the default settings of the UART. Loopback connector - and debug log confirms this. - - 0.1 (01/23/2000) greg kroah-hartman - Initial release to help IO Networks try to set up their test system. - Edgeport4 is recognized, firmware is downloaded, config is set so - device blinks green light every 3 sec. Port is bound, but opening, - closing, and sending data do not work properly. - - diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c index b43d07df4c44..123bf9155339 100644 --- a/drivers/usb/serial/aircable.c +++ b/drivers/usb/serial/aircable.c @@ -52,7 +52,7 @@ #include <linux/usb.h> #include <linux/usb/serial.h> -static int debug; +static bool debug; /* Vendor and Product ID */ #define AIRCABLE_VID 0x16CA diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c index 5cdb9d912275..69328dcfd91a 100644 --- a/drivers/usb/serial/ark3116.c +++ b/drivers/usb/serial/ark3116.c @@ -37,12 +37,12 @@ #include <linux/mutex.h> #include <linux/spinlock.h> -static int debug; +static bool debug; /* * Version information */ -#define DRIVER_VERSION "v0.6" +#define DRIVER_VERSION "v0.7" #define DRIVER_AUTHOR "Bart Hartgers <bart.hartgers+ark3116@gmail.com>" #define DRIVER_DESC "USB ARK3116 serial/IrDA driver" #define DRIVER_DEV_DESC "ARK3116 RS232/IrDA" @@ -380,10 +380,6 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port) goto err_out; } - /* setup termios */ - if (tty) - ark3116_set_termios(tty, port, NULL); - /* remove any data still left: also clears error state */ ark3116_read_reg(serial, UART_RX, buf); @@ -406,6 +402,10 @@ static int ark3116_open(struct tty_struct *tty, struct usb_serial_port *port) /* enable DMA */ ark3116_write_reg(port->serial, UART_FCR, UART_FCR_DMA_SELECT); + /* setup termios */ + if (tty) + ark3116_set_termios(tty, port, NULL); + err_out: kfree(buf); return result; diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c index d6921fa1403c..29ffeb6279c7 100644 --- a/drivers/usb/serial/belkin_sa.c +++ b/drivers/usb/serial/belkin_sa.c @@ -20,50 +20,7 @@ * TODO: * -- Add true modem contol line query capability. Currently we track the * states reported by the interrupt and the states we request. - * -- Add error reporting back to application for UART error conditions. - * Just point me at how to implement this and I'll do it. I've put the - * framework in, but haven't analyzed the "tty_flip" interface yet. * -- Add support for flush commands - * -- Add everything that is missing :) - * - * 27-Nov-2001 gkh - * compressed all the differnent device entries into 1. - * - * 30-May-2001 gkh - * switched from using spinlock to a semaphore, which fixes lots of - * problems. - * - * 08-Apr-2001 gb - * - Identify version on module load. - * - * 12-Mar-2001 gkh - * - Added support for the GoHubs GO-COM232 device which is the same as the - * Peracom device. - * - * 06-Nov-2000 gkh - * - Added support for the old Belkin and Peracom devices. - * - Made the port able to be opened multiple times. - * - Added some defaults incase the line settings are things these devices - * can't support. - * - * 18-Oct-2000 William Greathouse - * Released into the wild (linux-usb-devel) - * - * 17-Oct-2000 William Greathouse - * Add code to recognize firmware version and set hardware flow control - * appropriately. Belkin states that firmware prior to 3.05 does not - * operate correctly in hardware handshake mode. I have verified this - * on firmware 2.05 -- for both RTS and DTR input flow control, the control - * line is not reset. The test performed by the Belkin Win* driver is - * to enable hardware flow control for firmware 2.06 or greater and - * for 1.00 or prior. I am only enabling for 2.06 or greater. - * - * 12-Oct-2000 William Greathouse - * First cut at supporting Belkin USB Serial Adapter F5U103 - * I did not have a copy of the original work to support this - * adapter, so pardon any stupid mistakes. All of the information - * I am using to write this driver was acquired by using a modified - * UsbSnoop on Windows2000 and from examining the other USB drivers. */ #include <linux/kernel.h> @@ -80,7 +37,7 @@ #include <linux/usb/serial.h> #include "belkin_sa.h" -static int debug; +static bool debug; /* * Version Information diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c index 6ae1c0688b5e..5e53cc59e652 100644 --- a/drivers/usb/serial/ch341.c +++ b/drivers/usb/serial/ch341.c @@ -70,7 +70,7 @@ #define CH341_NBREAK_BITS_REG2 0x40 -static int debug; +static bool debug; static const struct usb_device_id id_table[] = { { USB_DEVICE(0x4348, 0x5523) }, @@ -335,13 +335,12 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port) goto out; dbg("%s - submitting interrupt urb", __func__); - port->interrupt_in_urb->dev = serial->dev; r = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (r) { dev_err(&port->dev, "%s - failed submitting interrupt urb," " error %d\n", __func__, r); ch341_close(port); - return -EPROTO; + goto out; } r = usb_serial_generic_open(tty, port); diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index fd67cc53545b..fba1147ed916 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -49,7 +49,7 @@ static void cp210x_break_ctl(struct tty_struct *, int); static int cp210x_startup(struct usb_serial *); static void cp210x_dtr_rts(struct usb_serial_port *p, int on); -static int debug; +static bool debug; static const struct usb_device_id id_table[] = { { USB_DEVICE(0x045B, 0x0053) }, /* Renesas RX610 RX-Stick */ @@ -92,6 +92,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x10C4, 0x818B) }, /* AVIT Research USB to TTL */ { USB_DEVICE(0x10C4, 0x819F) }, /* MJS USB Toslink Switcher */ { USB_DEVICE(0x10C4, 0x81A6) }, /* ThinkOptics WavIt */ + { USB_DEVICE(0x10C4, 0x81A9) }, /* Multiplex RC Interface */ { USB_DEVICE(0x10C4, 0x81AC) }, /* MSD Dash Hawk */ { USB_DEVICE(0x10C4, 0x81AD) }, /* INSYS USB Modem */ { USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */ @@ -280,7 +281,10 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request, dbg("%s - Unable to send config request, " "request=0x%x size=%d result=%d\n", __func__, request, size, result); - return -EPROTO; + if (result > 0) + result = -EPROTO; + + return result; } return 0; @@ -331,7 +335,10 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request, dbg("%s - Unable to send request, " "request=0x%x size=%d result=%d\n", __func__, request, size, result); - return -EPROTO; + if (result > 0) + result = -EPROTO; + + return result; } return 0; @@ -395,10 +402,11 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port) dbg("%s - port %d", __func__, port->number); - if (cp210x_set_config_single(port, CP210X_IFC_ENABLE, UART_ENABLE)) { - dev_err(&port->dev, "%s - Unable to enable UART\n", - __func__); - return -EPROTO; + result = cp210x_set_config_single(port, CP210X_IFC_ENABLE, + UART_ENABLE); + if (result) { + dev_err(&port->dev, "%s - Unable to enable UART\n", __func__); + return result; } result = usb_serial_generic_open(tty, port); @@ -520,18 +528,13 @@ static void cp210x_get_termios_port(struct usb_serial_port *port, cflag |= PARENB; break; case BITS_PARITY_MARK: - dbg("%s - parity = MARK (not supported, disabling parity)", - __func__); - cflag &= ~PARENB; - bits &= ~BITS_PARITY_MASK; - cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2); + dbg("%s - parity = MARK", __func__); + cflag |= (PARENB|PARODD|CMSPAR); break; case BITS_PARITY_SPACE: - dbg("%s - parity = SPACE (not supported, disabling parity)", - __func__); - cflag &= ~PARENB; - bits &= ~BITS_PARITY_MASK; - cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2); + dbg("%s - parity = SPACE", __func__); + cflag &= ~PARODD; + cflag |= (PARENB|CMSPAR); break; default: dbg("%s - Unknown parity mode, disabling parity", __func__); @@ -588,7 +591,6 @@ static void cp210x_set_termios(struct tty_struct *tty, if (!tty) return; - tty->termios->c_cflag &= ~CMSPAR; cflag = tty->termios->c_cflag; old_cflag = old_termios->c_cflag; baud = cp210x_quantise_baudrate(tty_get_baud_rate(tty)); @@ -643,16 +645,27 @@ static void cp210x_set_termios(struct tty_struct *tty, "not supported by device\n"); } - if ((cflag & (PARENB|PARODD)) != (old_cflag & (PARENB|PARODD))) { + if ((cflag & (PARENB|PARODD|CMSPAR)) != + (old_cflag & (PARENB|PARODD|CMSPAR))) { cp210x_get_config(port, CP210X_GET_LINE_CTL, &bits, 2); bits &= ~BITS_PARITY_MASK; if (cflag & PARENB) { - if (cflag & PARODD) { - bits |= BITS_PARITY_ODD; - dbg("%s - parity = ODD", __func__); + if (cflag & CMSPAR) { + if (cflag & PARODD) { + bits |= BITS_PARITY_MARK; + dbg("%s - parity = MARK", __func__); + } else { + bits |= BITS_PARITY_SPACE; + dbg("%s - parity = SPACE", __func__); + } } else { - bits |= BITS_PARITY_EVEN; - dbg("%s - parity = EVEN", __func__); + if (cflag & PARODD) { + bits |= BITS_PARITY_ODD; + dbg("%s - parity = ODD", __func__); + } else { + bits |= BITS_PARITY_EVEN; + dbg("%s - parity = EVEN", __func__); + } } } if (cp210x_set_config(port, CP210X_SET_LINE_CTL, &bits, 2)) diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c index f744ab7a3b19..6bc3802a581a 100644 --- a/drivers/usb/serial/cyberjack.c +++ b/drivers/usb/serial/cyberjack.c @@ -43,7 +43,7 @@ #define CYBERJACK_LOCAL_BUF_SIZE 32 -static int debug; +static bool debug; /* * Version Information @@ -138,7 +138,6 @@ static int cyberjack_startup(struct usb_serial *serial) for (i = 0; i < serial->num_ports; ++i) { int result; - serial->port[i]->interrupt_in_urb->dev = serial->dev; result = usb_submit_urb(serial->port[i]->interrupt_in_urb, GFP_KERNEL); if (result) @@ -208,7 +207,6 @@ static void cyberjack_close(struct usb_serial_port *port) static int cyberjack_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count) { - struct usb_serial *serial = port->serial; struct cyberjack_private *priv = usb_get_serial_port_data(port); unsigned long flags; int result; @@ -221,22 +219,18 @@ static int cyberjack_write(struct tty_struct *tty, return 0; } - spin_lock_bh(&port->lock); - if (port->write_urb_busy) { - spin_unlock_bh(&port->lock); + if (!test_and_clear_bit(0, &port->write_urbs_free)) { dbg("%s - already writing", __func__); return 0; } - port->write_urb_busy = 1; - spin_unlock_bh(&port->lock); spin_lock_irqsave(&priv->lock, flags); if (count+priv->wrfilled > sizeof(priv->wrbuf)) { /* To much data for buffer. Reset buffer. */ priv->wrfilled = 0; - port->write_urb_busy = 0; spin_unlock_irqrestore(&priv->lock, flags); + set_bit(0, &port->write_urbs_free); return 0; } @@ -265,13 +259,7 @@ static int cyberjack_write(struct tty_struct *tty, priv->wrsent = length; /* set up our urb */ - usb_fill_bulk_urb(port->write_urb, serial->dev, - usb_sndbulkpipe(serial->dev, port->bulk_out_endpointAddress), - port->write_urb->transfer_buffer, length, - ((serial->type->write_bulk_callback) ? - serial->type->write_bulk_callback : - cyberjack_write_bulk_callback), - port); + port->write_urb->transfer_buffer_length = length; /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); @@ -283,7 +271,7 @@ static int cyberjack_write(struct tty_struct *tty, priv->wrfilled = 0; priv->wrsent = 0; spin_unlock_irqrestore(&priv->lock, flags); - port->write_urb_busy = 0; + set_bit(0, &port->write_urbs_free); return 0; } @@ -351,7 +339,6 @@ static void cyberjack_read_int_callback(struct urb *urb) spin_unlock(&priv->lock); if (!old_rdtodo) { - port->read_urb->dev = port->serial->dev; result = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (result) dev_err(&port->dev, "%s - failed resubmitting " @@ -362,7 +349,6 @@ static void cyberjack_read_int_callback(struct urb *urb) } resubmit: - port->interrupt_in_urb->dev = port->serial->dev; result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); if (result) dev_err(&port->dev, "usb_submit_urb(read int) failed\n"); @@ -415,7 +401,6 @@ static void cyberjack_read_bulk_callback(struct urb *urb) /* Continue to read if we have still urbs to do. */ if (todo /* || (urb->actual_length==port->bulk_in_endpointAddress)*/) { - port->read_urb->dev = port->serial->dev; result = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (result) dev_err(&port->dev, "%s - failed resubmitting read " @@ -432,7 +417,7 @@ static void cyberjack_write_bulk_callback(struct urb *urb) dbg("%s - port %d", __func__, port->number); - port->write_urb_busy = 0; + set_bit(0, &port->write_urbs_free); if (status) { dbg("%s - nonzero write bulk status received: %d", __func__, status); @@ -455,13 +440,7 @@ static void cyberjack_write_bulk_callback(struct urb *urb) priv->wrsent += length; /* set up our urb */ - usb_fill_bulk_urb(port->write_urb, port->serial->dev, - usb_sndbulkpipe(port->serial->dev, port->bulk_out_endpointAddress), - port->write_urb->transfer_buffer, length, - ((port->serial->type->write_bulk_callback) ? - port->serial->type->write_bulk_callback : - cyberjack_write_bulk_callback), - port); + port->write_urb->transfer_buffer_length = length; /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c index d9906eb9d16a..3bdeafa29c24 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -16,32 +16,6 @@ * * See http://geocities.com/i0xox0i for information on this driver and the * earthmate usb device. - * - * Lonnie Mendez <dignome@gmail.com> - * 4-29-2005 - * Fixed problem where setting or retreiving the serial config would fail - * with EPIPE. Removed CRTS toggling so the driver behaves more like - * other usbserial adapters. Issued new interval of 1ms instead of the - * default 10ms. As a result, transfer speed has been substantially - * increased from avg. 850bps to avg. 3300bps. initial termios has also - * been modified. Cleaned up code and formatting issues so it is more - * readable. Replaced the C++ style comments. - * - * Lonnie Mendez <dignome@gmail.com> - * 12-15-2004 - * Incorporated write buffering from pl2303 driver. Fixed bug with line - * handling so both lines are raised in cypress_open. (was dropping rts) - * Various code cleanups made as well along with other misc bug fixes. - * - * Lonnie Mendez <dignome@gmail.com> - * 04-10-2004 - * Driver modified to support dynamic line settings. Various improvements - * and features. - * - * Neil Whelchel - * 10-2003 - * Driver first released. - * */ /* Thanks to Neil Whelchel for writing the first cypress m8 implementation @@ -72,10 +46,10 @@ #include "cypress_m8.h" -static int debug; -static int stats; +static bool debug; +static bool stats; static int interval; -static int unstable_bauds; +static bool unstable_bauds; /* * Version Information @@ -1162,8 +1136,6 @@ static void cypress_unthrottle(struct tty_struct *tty) return; if (actually_throttled) { - port->interrupt_in_urb->dev = port->serial->dev; - result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (result) { dev_err(&port->dev, "%s - failed submitting read urb, " @@ -1352,7 +1324,6 @@ static void cypress_write_int_callback(struct urb *urb) dbg("%s - nonzero write bulk status received: %d", __func__, status); port->interrupt_out_urb->transfer_buffer_length = 1; - port->interrupt_out_urb->dev = port->serial->dev; result = usb_submit_urb(port->interrupt_out_urb, GFP_ATOMIC); if (!result) return; diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index e92cbefc0f88..b23bebd721a1 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -13,222 +13,6 @@ * * Peter Berger (pberger@brimson.com) * Al Borchers (borchers@steinerpoint.com) -* -* (12/03/2001) gkh -* switched to using port->port.count instead of private version. -* Removed port->active -* -* (04/08/2001) gb -* Identify version on module load. -* -* (11/01/2000) Adam J. Richter -* usb_device_id table support -* -* (11/01/2000) pberger and borchers -* -- Turned off the USB_DISABLE_SPD flag for write bulk urbs--it caused -* USB 4 ports to hang on startup. -* -- Serialized access to write urbs by adding the dp_write_urb_in_use -* flag; otherwise, the driver caused SMP system hangs. Watching the -* urb status is not sufficient. -* -* (10/05/2000) gkh -* -- Fixed bug with urb->dev not being set properly, now that the usb -* core needs it. -* -* (8/8/2000) pberger and borchers -* -- Fixed close so that -* - it can timeout while waiting for transmit idle, if needed; -* - it ignores interrupts when flushing the port, turning -* of modem signalling, and so on; -* - it waits for the flush to really complete before returning. -* -- Read_bulk_callback and write_bulk_callback check for a closed -* port before using the tty struct or writing to the port. -* -- The two changes above fix the oops caused by interrupted closes. -* -- Added interruptible args to write_oob_command and set_modem_signals -* and added a timeout arg to transmit_idle; needed for fixes to -* close. -* -- Added code for rx_throttle and rx_unthrottle so that input flow -* control works. -* -- Added code to set overrun, parity, framing, and break errors -* (untested). -* -- Set USB_DISABLE_SPD flag for write bulk urbs, so no 0 length -* bulk writes are done. These hung the Digi USB device. The -* 0 length bulk writes were a new feature of usb-uhci added in -* the 2.4.0-test6 kernels. -* -- Fixed mod inc race in open; do mod inc before sleeping to wait -* for a close to finish. -* -* (7/31/2000) pberger -* -- Fixed bugs with hardware handshaking: -* - Added code to set/clear tty->hw_stopped in digi_read_oob_callback() -* and digi_set_termios() -* -- Added code in digi_set_termios() to -* - add conditional in code handling transition from B0 to only -* set RTS if RTS/CTS flow control is either not in use or if -* the port is not currently throttled. -* - handle turning off CRTSCTS. -* -* (7/30/2000) borchers -* -- Added support for more than one Digi USB device by moving -* globals to a private structure in the pointed to from the -* usb_serial structure. -* -- Moved the modem change and transmit idle wait queues into -* the port private structure, so each port has its own queue -* rather than sharing global queues. -* -- Added support for break signals. -* -* (7/25/2000) pberger -* -- Added USB-2 support. Note: the USB-2 supports 3 devices: two -* serial and a parallel port. The parallel port is implemented -* as a serial-to-parallel converter. That is, the driver actually -* presents all three USB-2 interfaces as serial ports, but the third -* one physically connects to a parallel device. Thus, for example, -* one could plug a parallel printer into the USB-2's third port, -* but from the kernel's (and userland's) point of view what's -* actually out there is a serial device. -* -* (7/15/2000) borchers -* -- Fixed race in open when a close is in progress. -* -- Keep count of opens and dec the module use count for each -* outstanding open when shutdown is called (on disconnect). -* -- Fixed sanity checks in read_bulk_callback and write_bulk_callback -* so pointers are checked before use. -* -- Split read bulk callback into in band and out of band -* callbacks, and no longer restart read chains if there is -* a status error or a sanity error. This fixed the seg -* faults and other errors we used to get on disconnect. -* -- Port->active is once again a flag as usb-serial intended it -* to be, not a count. Since it was only a char it would -* have been limited to 256 simultaneous opens. Now the open -* count is kept in the port private structure in dp_open_count. -* -- Added code for modularization of the digi_acceleport driver. -* -* (6/27/2000) pberger and borchers -* -- Zeroed out sync field in the wakeup_task before first use; -* otherwise the uninitialized value might prevent the task from -* being scheduled. -* -- Initialized ret value to 0 in write_bulk_callback, otherwise -* the uninitialized value could cause a spurious debugging message. -* -* (6/22/2000) pberger and borchers -* -- Made cond_wait_... inline--apparently on SPARC the flags arg -* to spin_lock_irqsave cannot be passed to another function -* to call spin_unlock_irqrestore. Thanks to Pauline Middelink. -* -- In digi_set_modem_signals the inner nested spin locks use just -* spin_lock() rather than spin_lock_irqsave(). The old code -* mistakenly left interrupts off. Thanks to Pauline Middelink. -* -- copy_from_user (which can sleep) is no longer called while a -* spinlock is held. We copy to a local buffer before getting -* the spinlock--don't like the extra copy but the code is simpler. -* -- Printk and dbg are no longer called while a spin lock is held. -* -* (6/4/2000) pberger and borchers -* -- Replaced separate calls to spin_unlock_irqrestore and -* interruptible_sleep_on_timeout with a new function -* cond_wait_interruptible_timeout_irqrestore. This eliminates -* the race condition where the wake up could happen after -* the unlock and before the sleep. -* -- Close now waits for output to drain. -* -- Open waits until any close in progress is finished. -* -- All out of band responses are now processed, not just the -* first in a USB packet. -* -- Fixed a bug that prevented the driver from working when the -* first Digi port was not the first USB serial port--the driver -* was mistakenly using the external USB serial port number to -* try to index into its internal ports. -* -- Fixed an SMP bug -- write_bulk_callback is called directly from -* an interrupt, so spin_lock_irqsave/spin_unlock_irqrestore are -* needed for locks outside write_bulk_callback that are also -* acquired by write_bulk_callback to prevent deadlocks. -* -- Fixed support for select() by making digi_chars_in_buffer() -* return 256 when -EINPROGRESS is set, as the line discipline -* code in n_tty.c expects. -* -- Fixed an include file ordering problem that prevented debugging -* messages from working. -* -- Fixed an intermittent timeout problem that caused writes to -* sometimes get stuck on some machines on some kernels. It turns -* out in these circumstances write_chan() (in n_tty.c) was -* asleep waiting for our wakeup call. Even though we call -* wake_up_interruptible() in digi_write_bulk_callback(), there is -* a race condition that could cause the wakeup to fail: if our -* wake_up_interruptible() call occurs between the time that our -* driver write routine finishes and write_chan() sets current->state -* to TASK_INTERRUPTIBLE, the effect of our wakeup setting the state -* to TASK_RUNNING will be lost and write_chan's subsequent call to -* schedule() will never return (unless it catches a signal). -* This race condition occurs because write_bulk_callback() (and thus -* the wakeup) are called asynchronously from an interrupt, rather than -* from the scheduler. We can avoid the race by calling the wakeup -* from the scheduler queue and that's our fix: Now, at the end of -* write_bulk_callback() we queue up a wakeup call on the scheduler -* task queue. We still also invoke the wakeup directly since that -* squeezes a bit more performance out of the driver, and any lost -* race conditions will get cleaned up at the next scheduler run. -* -* NOTE: The problem also goes away if you comment out -* the two code lines in write_chan() where current->state -* is set to TASK_RUNNING just before calling driver.write() and to -* TASK_INTERRUPTIBLE immediately afterwards. This is why the -* problem did not show up with the 2.2 kernels -- they do not -* include that code. -* -* (5/16/2000) pberger and borchers -* -- Added timeouts to sleeps, to defend against lost wake ups. -* -- Handle transition to/from B0 baud rate in digi_set_termios. -* -* (5/13/2000) pberger and borchers -* -- All commands now sent on out of band port, using -* digi_write_oob_command. -* -- Get modem control signals whenever they change, support TIOCMGET/ -* SET/BIS/BIC ioctls. -* -- digi_set_termios now supports parity, word size, stop bits, and -* receive enable. -* -- Cleaned up open and close, use digi_set_termios and -* digi_write_oob_command to set port parameters. -* -- Added digi_startup_device to start read chains on all ports. -* -- Write buffer is only used when count==1, to be sure put_char can -* write a char (unless the buffer is full). -* -* (5/10/2000) pberger and borchers -* -- Added MOD_INC_USE_COUNT/MOD_DEC_USE_COUNT calls on open/close. -* -- Fixed problem where the first incoming character is lost on -* port opens after the first close on that port. Now we keep -* the read_urb chain open until shutdown. -* -- Added more port conditioning calls in digi_open and digi_close. -* -- Convert port->active to a use count so that we can deal with multiple -* opens and closes properly. -* -- Fixed some problems with the locking code. -* -* (5/3/2000) pberger and borchers -* -- First alpha version of the driver--many known limitations and bugs. -* -* -* Locking and SMP -* -* - Each port, including the out-of-band port, has a lock used to -* serialize all access to the port's private structure. -* - The port lock is also used to serialize all writes and access to -* the port's URB. -* - The port lock is also used for the port write_wait condition -* variable. Holding the port lock will prevent a wake up on the -* port's write_wait; this can be used with cond_wait_... to be sure -* the wake up is not lost in a race when dropping the lock and -* sleeping waiting for the wakeup. -* - digi_write() does not sleep, since it is sometimes called on -* interrupt time. -* - digi_write_bulk_callback() and digi_read_bulk_callback() are -* called directly from interrupts. Hence spin_lock_irqsave() -* and spin_unlock_irqrestore() are used in the rest of the code -* for any locks they acquire. -* - digi_write_bulk_callback() gets the port lock before waking up -* processes sleeping on the port write_wait. It also schedules -* wake ups so they happen from the scheduler, because the tty -* system can miss wake ups from interrupts. -* - All sleeps use a timeout of DIGI_RETRY_TIMEOUT before looping to -* recheck the condition they are sleeping on. This is defensive, -* in case a wake up is lost. -* - Following Documentation/DocBook/kernel-locking.tmpl no spin locks -* are held when calling copy_to/from_user or printk. */ #include <linux/kernel.h> @@ -467,7 +251,7 @@ static int digi_read_oob_callback(struct urb *urb); /* Statics */ -static int debug; +static bool debug; static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(DIGI_VENDOR_ID, DIGI_2_ID) }, @@ -654,7 +438,6 @@ static int digi_write_oob_command(struct usb_serial_port *port, len &= ~3; memcpy(oob_port->write_urb->transfer_buffer, buf, len); oob_port->write_urb->transfer_buffer_length = len; - oob_port->write_urb->dev = port->serial->dev; ret = usb_submit_urb(oob_port->write_urb, GFP_ATOMIC); if (ret == 0) { oob_priv->dp_write_urb_in_use = 1; @@ -732,7 +515,6 @@ static int digi_write_inb_command(struct usb_serial_port *port, memcpy(data, buf, len); port->write_urb->transfer_buffer_length = len; } - port->write_urb->dev = port->serial->dev; ret = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (ret == 0) { @@ -803,7 +585,6 @@ static int digi_set_modem_signals(struct usb_serial_port *port, data[7] = 0; oob_port->write_urb->transfer_buffer_length = 8; - oob_port->write_urb->dev = port->serial->dev; ret = usb_submit_urb(oob_port->write_urb, GFP_ATOMIC); if (ret == 0) { @@ -899,10 +680,8 @@ static void digi_rx_unthrottle(struct tty_struct *tty) spin_lock_irqsave(&priv->dp_port_lock, flags); /* restart read chain */ - if (priv->dp_throttle_restart) { - port->read_urb->dev = port->serial->dev; + if (priv->dp_throttle_restart) ret = usb_submit_urb(port->read_urb, GFP_ATOMIC); - } /* turn throttle off */ priv->dp_throttled = 0; @@ -1195,7 +974,6 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port, } port->write_urb->transfer_buffer_length = data_len+2; - port->write_urb->dev = port->serial->dev; *data++ = DIGI_CMD_SEND_DATA; *data++ = data_len; @@ -1271,7 +1049,6 @@ static void digi_write_bulk_callback(struct urb *urb) = (unsigned char)priv->dp_out_buf_len; port->write_urb->transfer_buffer_length = priv->dp_out_buf_len + 2; - port->write_urb->dev = serial->dev; memcpy(port->write_urb->transfer_buffer + 2, priv->dp_out_buf, priv->dp_out_buf_len); ret = usb_submit_urb(port->write_urb, GFP_ATOMIC); @@ -1473,7 +1250,6 @@ static int digi_startup_device(struct usb_serial *serial) /* set USB_DISABLE_SPD flag for write bulk urbs */ for (i = 0; i < serial->type->num_ports + 1; i++) { port = serial->port[i]; - port->write_urb->dev = port->serial->dev; ret = usb_submit_urb(port->read_urb, GFP_KERNEL); if (ret != 0) { dev_err(&port->dev, @@ -1616,7 +1392,6 @@ static void digi_read_bulk_callback(struct urb *urb) } /* continue read */ - urb->dev = port->serial->dev; ret = usb_submit_urb(urb, GFP_ATOMIC); if (ret != 0 && ret != -EPERM) { dev_err(&port->dev, diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c index 504b5585ea45..aced6817bf95 100644 --- a/drivers/usb/serial/empeg.c +++ b/drivers/usb/serial/empeg.c @@ -28,7 +28,7 @@ #include <linux/usb.h> #include <linux/usb/serial.h> -static int debug; +static bool debug; /* * Version Information diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 8fe034d2d3e7..01b6404df395 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -55,7 +55,7 @@ #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr, Johan Hovold <jhovold@gmail.com>" #define DRIVER_DESC "USB FTDI Serial Converters Driver" -static int debug; +static bool debug; static __u16 vendor = FTDI_VID; static __u16 product; @@ -736,6 +736,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(TML_VID, TML_USB_SERIAL_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) }, { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID), @@ -2104,13 +2105,23 @@ static void ftdi_set_termios(struct tty_struct *tty, cflag = termios->c_cflag; - /* FIXME -For this cut I don't care if the line is really changing or - not - so just do the change regardless - should be able to - compare old_termios and tty->termios */ + if (old_termios == 0) + goto no_skip; + + if (old_termios->c_cflag == termios->c_cflag + && old_termios->c_ispeed == termios->c_ispeed + && old_termios->c_ospeed == termios->c_ospeed) + goto no_c_cflag_changes; + /* NOTE These routines can get interrupted by ftdi_sio_read_bulk_callback - need to examine what this means - don't see any problems yet */ + if ((old_termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB)) == + (termios->c_cflag & (CSIZE|PARODD|PARENB|CMSPAR|CSTOPB))) + goto no_data_parity_stop_changes; + +no_skip: /* Set number of data bits, parity, stop bits */ urb_value = 0; @@ -2151,6 +2162,7 @@ static void ftdi_set_termios(struct tty_struct *tty, } /* Now do the baudrate */ +no_data_parity_stop_changes: if ((cflag & CBAUD) == B0) { /* Disable flow control */ if (usb_control_msg(dev, usb_sndctrlpipe(dev, 0), @@ -2178,6 +2190,7 @@ static void ftdi_set_termios(struct tty_struct *tty, /* Set flow control */ /* Note device also supports DTR/CD (ugh) and Xon/Xoff in hardware */ +no_c_cflag_changes: if (cflag & CRTSCTS) { dbg("%s Setting to CRTSCTS flow control", __func__); if (usb_control_msg(dev, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 571fa96b49c7..df1d7da933ec 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -2,7 +2,7 @@ * vendor/product IDs (VID/PID) of devices using FTDI USB serial converters. * Please keep numerically sorted within individual areas, thanks! * - * Philipp Gühring - pg@futureware.at - added the Device ID of the USB relais + * Philipp Gühring - pg@futureware.at - added the Device ID of the USB relais * from Rudolf Gugler * */ @@ -78,7 +78,7 @@ */ #define FTDI_ASK_RDR400_PID 0xC991 /* ASK RDR 400 series card reader */ -/* www.starting-point-systems.com µChameleon device */ +/* www.starting-point-systems.com µChameleon device */ #define FTDI_MICRO_CHAMELEON_PID 0xCAA0 /* Product Id */ /* @@ -112,6 +112,7 @@ /* Propox devices */ #define FTDI_PROPOX_JTAGCABLEII_PID 0xD738 +#define FTDI_PROPOX_ISPCABLEIII_PID 0xD739 /* Lenz LI-USB Computer Interface. */ #define FTDI_LENZ_LIUSB_PID 0xD780 @@ -290,7 +291,7 @@ /* * Teratronik product ids. - * Submitted by O. Wölfelschneider. + * Submitted by O. Wölfelschneider. */ #define FTDI_TERATRONIK_VCP_PID 0xEC88 /* Teratronik device (preferring VCP driver on windows) */ #define FTDI_TERATRONIK_D2XX_PID 0xEC89 /* Teratronik device (preferring D2XX driver on windows) */ diff --git a/drivers/usb/serial/funsoft.c b/drivers/usb/serial/funsoft.c index e21ce9ddfc63..5d4b099dcf8b 100644 --- a/drivers/usb/serial/funsoft.c +++ b/drivers/usb/serial/funsoft.c @@ -16,7 +16,7 @@ #include <linux/usb/serial.h> #include <linux/uaccess.h> -static int debug; +static bool debug; static const struct usb_device_id id_table[] = { { USB_DEVICE(0x1404, 0xcddc) }, diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index 1a49ca9c8ea5..21343378c322 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -42,7 +42,7 @@ static int initial_mode = 1; /* debug flag */ -static int debug; +static bool debug; #define GARMIN_VENDOR_ID 0x091E @@ -901,7 +901,6 @@ static int garmin_init_session(struct usb_serial_port *port) usb_kill_urb(port->interrupt_in_urb); dbg("%s - adding interrupt input", __func__); - port->interrupt_in_urb->dev = serial->dev; status = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (status) dev_err(&serial->dev->dev, @@ -1277,7 +1276,6 @@ static void garmin_read_int_callback(struct urb *urb) unsigned long flags; int retval; struct usb_serial_port *port = urb->context; - struct usb_serial *serial = port->serial; struct garmin_data *garmin_data_p = usb_get_serial_port_data(port); unsigned char *data = urb->transfer_buffer; int status = urb->status; @@ -1311,12 +1309,6 @@ static void garmin_read_int_callback(struct urb *urb) if (0 == (garmin_data_p->flags & FLAGS_BULK_IN_ACTIVE)) { /* bulk data available */ - usb_fill_bulk_urb(port->read_urb, serial->dev, - usb_rcvbulkpipe(serial->dev, - port->bulk_in_endpointAddress), - port->read_urb->transfer_buffer, - port->read_urb->transfer_buffer_length, - garmin_read_bulk_callback, port); retval = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (retval) { dev_err(&port->dev, @@ -1353,7 +1345,6 @@ static void garmin_read_int_callback(struct urb *urb) garmin_read_process(garmin_data_p, data, urb->actual_length, 0); - port->interrupt_in_urb->dev = port->serial->dev; retval = usb_submit_urb(urb, GFP_ATOMIC); if (retval) dev_err(&urb->dev->dev, diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index e4db5ad2bc55..f7403576f99f 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -1,7 +1,7 @@ /* * USB Serial Converter Generic functions * - * Copyright (C) 2010 Johan Hovold (jhovold@gmail.com) + * Copyright (C) 2010 - 2011 Johan Hovold (jhovold@gmail.com) * Copyright (C) 1999 - 2002 Greg Kroah-Hartman (greg@kroah.com) * * This program is free software; you can redistribute it and/or @@ -132,7 +132,7 @@ int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port /* if we have a bulk endpoint, start reading from it */ if (port->bulk_in_size) - result = usb_serial_generic_submit_read_urb(port, GFP_KERNEL); + result = usb_serial_generic_submit_read_urbs(port, GFP_KERNEL); return result; } @@ -157,8 +157,10 @@ static void generic_cleanup(struct usb_serial_port *port) kfifo_reset_out(&port->write_fifo); spin_unlock_irqrestore(&port->lock, flags); } - if (port->bulk_in_size) - usb_kill_urb(port->read_urb); + if (port->bulk_in_size) { + for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) + usb_kill_urb(port->read_urbs[i]); + } } } @@ -308,19 +310,52 @@ int usb_serial_generic_chars_in_buffer(struct tty_struct *tty) return chars; } -int usb_serial_generic_submit_read_urb(struct usb_serial_port *port, +static int usb_serial_generic_submit_read_urb(struct usb_serial_port *port, + int index, gfp_t mem_flags) +{ + int res; + + if (!test_and_clear_bit(index, &port->read_urbs_free)) + return 0; + + dbg("%s - port %d, urb %d\n", __func__, port->number, index); + + res = usb_submit_urb(port->read_urbs[index], mem_flags); + if (res) { + if (res != -EPERM) { + dev_err(&port->dev, + "%s - usb_submit_urb failed: %d\n", + __func__, res); + } + set_bit(index, &port->read_urbs_free); + return res; + } + + return 0; +} + +int usb_serial_generic_submit_read_urbs(struct usb_serial_port *port, gfp_t mem_flags) { - int result; + int res; + int i; - result = usb_submit_urb(port->read_urb, mem_flags); - if (result && result != -EPERM) { - dev_err(&port->dev, "%s - error submitting urb: %d\n", - __func__, result); + dbg("%s - port %d", __func__, port->number); + + for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) { + res = usb_serial_generic_submit_read_urb(port, i, mem_flags); + if (res) + goto err; } - return result; + + return 0; +err: + for (; i >= 0; --i) + usb_kill_urb(port->read_urbs[i]); + + return res; } -EXPORT_SYMBOL_GPL(usb_serial_generic_submit_read_urb); +EXPORT_SYMBOL_GPL(usb_serial_generic_submit_read_urbs); void usb_serial_generic_process_read_urb(struct urb *urb) { @@ -356,14 +391,19 @@ void usb_serial_generic_read_bulk_callback(struct urb *urb) { struct usb_serial_port *port = urb->context; unsigned char *data = urb->transfer_buffer; - int status = urb->status; unsigned long flags; + int i; - dbg("%s - port %d", __func__, port->number); + for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) { + if (urb == port->read_urbs[i]) + break; + } + set_bit(i, &port->read_urbs_free); - if (unlikely(status != 0)) { - dbg("%s - nonzero read bulk status received: %d", - __func__, status); + dbg("%s - port %d, urb %d, len %d\n", __func__, port->number, i, + urb->actual_length); + if (urb->status) { + dbg("%s - non-zero urb status: %d\n", __func__, urb->status); return; } @@ -376,7 +416,7 @@ void usb_serial_generic_read_bulk_callback(struct urb *urb) port->throttled = port->throttle_req; if (!port->throttled) { spin_unlock_irqrestore(&port->lock, flags); - usb_serial_generic_submit_read_urb(port, GFP_ATOMIC); + usb_serial_generic_submit_read_urb(port, i, GFP_ATOMIC); } else spin_unlock_irqrestore(&port->lock, flags); } @@ -443,7 +483,7 @@ void usb_serial_generic_unthrottle(struct tty_struct *tty) spin_unlock_irq(&port->lock); if (was_throttled) - usb_serial_generic_submit_read_urb(port, GFP_KERNEL); + usb_serial_generic_submit_read_urbs(port, GFP_KERNEL); } EXPORT_SYMBOL_GPL(usb_serial_generic_unthrottle); @@ -509,8 +549,9 @@ int usb_serial_generic_resume(struct usb_serial *serial) if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) continue; - if (port->read_urb) { - r = usb_submit_urb(port->read_urb, GFP_NOIO); + if (port->bulk_in_size) { + r = usb_serial_generic_submit_read_urbs(port, + GFP_NOIO); if (r < 0) c++; } diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c index 2ee807523f53..0497575e4799 100644 --- a/drivers/usb/serial/io_edgeport.c +++ b/drivers/usb/serial/io_edgeport.c @@ -191,7 +191,7 @@ static const struct divisor_table_entry divisor_table[] = { }; /* local variables */ -static int debug; +static bool debug; static atomic_t CmdUrbs; /* Number of outstanding Command Write Urbs */ @@ -610,7 +610,6 @@ static void edge_interrupt_callback(struct urb *urb) /* we have pending bytes on the bulk in pipe, send a request */ - edge_serial->read_urb->dev = edge_serial->serial->dev; result = usb_submit_urb(edge_serial->read_urb, GFP_ATOMIC); if (result) { dev_err(&edge_serial->serial->dev->dev, "%s - usb_submit_urb(read bulk) failed with result = %d\n", __func__, result); @@ -711,7 +710,6 @@ static void edge_bulk_in_callback(struct urb *urb) /* check to see if there's any more data for us to read */ if (edge_serial->rxBytesAvail > 0) { dbg("%s - posting a read", __func__); - edge_serial->read_urb->dev = edge_serial->serial->dev; retval = usb_submit_urb(edge_serial->read_urb, GFP_ATOMIC); if (retval) { dev_err(&urb->dev->dev, @@ -1330,7 +1328,6 @@ static void send_more_port_data(struct edgeport_serial *edge_serial, edge_port->txCredits -= count; edge_port->icount.tx += count; - urb->dev = edge_serial->serial->dev; status = usb_submit_urb(urb, GFP_ATOMIC); if (status) { /* something went wrong */ diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 0aac00afb5c8..65bf06aa591a 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -15,13 +15,6 @@ * For questions or problems with this driver, contact Inside Out * Networks technical support, or Peter Berger <pberger@brimson.com>, * or Al Borchers <alborchers@steinerpoint.com>. - * - * Version history: - * - * July 11, 2002 Removed 4 port device structure since all TI UMP - * chips have only 2 ports - * David Iacovelli (davidi@ionetworks.com) - * */ #include <linux/kernel.h> @@ -217,10 +210,10 @@ static unsigned char OperationalMajorVersion; static unsigned char OperationalMinorVersion; static unsigned short OperationalBuildNumber; -static int debug; +static bool debug; static int closing_wait = EDGE_CLOSING_WAIT; -static int ignore_cpu_rev; +static bool ignore_cpu_rev; static int default_uart_mode; /* RS232 */ static void edge_tty_recv(struct device *dev, struct tty_struct *tty, @@ -1777,12 +1770,11 @@ static void edge_bulk_in_callback(struct urb *urb) exit: /* continue read unless stopped */ spin_lock(&edge_port->ep_lock); - if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) { - urb->dev = edge_port->port->serial->dev; + if (edge_port->ep_read_urb_state == EDGE_READ_URB_RUNNING) retval = usb_submit_urb(urb, GFP_ATOMIC); - } else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING) { + else if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPING) edge_port->ep_read_urb_state = EDGE_READ_URB_STOPPED; - } + spin_unlock(&edge_port->ep_lock); if (retval) dev_err(&urb->dev->dev, @@ -1959,9 +1951,7 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) status = -EINVAL; goto release_es_lock; } - urb->complete = edge_interrupt_callback; urb->context = edge_serial; - urb->dev = dev; status = usb_submit_urb(urb, GFP_KERNEL); if (status) { dev_err(&port->dev, @@ -1987,9 +1977,7 @@ static int edge_open(struct tty_struct *tty, struct usb_serial_port *port) goto unlink_int_urb; } edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING; - urb->complete = edge_bulk_in_callback; urb->context = edge_port; - urb->dev = dev; status = usb_submit_urb(urb, GFP_KERNEL); if (status) { dev_err(&port->dev, @@ -2118,12 +2106,7 @@ static void edge_send(struct tty_struct *tty) port->write_urb->transfer_buffer); /* set up our urb */ - usb_fill_bulk_urb(port->write_urb, port->serial->dev, - usb_sndbulkpipe(port->serial->dev, - port->bulk_out_endpointAddress), - port->write_urb->transfer_buffer, count, - edge_bulk_out_callback, - port); + port->write_urb->transfer_buffer_length = count; /* send the data out the bulk port */ result = usb_submit_urb(port->write_urb, GFP_ATOMIC); @@ -2267,9 +2250,6 @@ static int restart_read(struct edgeport_port *edge_port) if (edge_port->ep_read_urb_state == EDGE_READ_URB_STOPPED) { urb = edge_port->port->read_urb; - urb->complete = edge_bulk_in_callback; - urb->context = edge_port; - urb->dev = edge_port->port->serial->dev; status = usb_submit_urb(urb, GFP_ATOMIC); } edge_port->ep_read_urb_state = EDGE_READ_URB_RUNNING; diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c index 4735931b4c7b..06053a920dd8 100644 --- a/drivers/usb/serial/ipaq.c +++ b/drivers/usb/serial/ipaq.c @@ -8,40 +8,6 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. - * - * (12/12/2002) ganesh - * Added support for practically all devices supported by ActiveSync - * on Windows. Thanks to Wes Cilldhaire <billybobjoehenrybob@hotmail.com>. - * - * (26/11/2002) ganesh - * Added insmod options to specify product and vendor id. - * Use modprobe ipaq vendor=0xfoo product=0xbar - * - * (26/7/2002) ganesh - * Fixed up broken error handling in ipaq_open. Retry the "kickstart" - * packet much harder - this drastically reduces connection failures. - * - * (30/4/2002) ganesh - * Added support for the Casio EM500. Completely untested. Thanks - * to info from Nathan <wfilardo@fuse.net> - * - * (19/3/2002) ganesh - * Don't submit urbs while holding spinlocks. Not strictly necessary - * in 2.5.x. - * - * (8/3/2002) ganesh - * The ipaq sometimes emits a '\0' before the CLIENT string. At this - * point of time, the ppp ldisc is not yet attached to the tty, so - * n_tty echoes "^ " to the ipaq, which messes up the chat. In 2.5.6-pre2 - * this causes a panic because echo_char() tries to sleep in interrupt - * context. - * The fix is to tell the upper layers that this is a raw device so that - * echoing is suppressed. Thanks to Lyle Lindholm for a detailed bug - * report. - * - * (25/2/2002) ganesh - * Added support for the HP Jornada 548 and 568. Completely untested. - * Thanks to info from Heath Robinson and Arieh Davidoff. */ #include <linux/kernel.h> @@ -68,7 +34,7 @@ #define DRIVER_DESC "USB PocketPC PDA driver" static __u16 product, vendor; -static int debug; +static bool debug; static int connect_retries = KP_RETRIES; static int initial_wait; diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c index 5170799d6e94..6f9356f3f99e 100644 --- a/drivers/usb/serial/ipw.c +++ b/drivers/usb/serial/ipw.c @@ -147,7 +147,7 @@ static struct usb_driver usb_ipw_driver = { .no_dynamic_id = 1, }; -static int debug; +static bool debug; static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port) { diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c index ccbce4066d04..84a396e83671 100644 --- a/drivers/usb/serial/ir-usb.c +++ b/drivers/usb/serial/ir-usb.c @@ -22,38 +22,6 @@ * * See Documentation/usb/usb-serial.txt for more information on using this * driver - * - * 2008_Jun_02 Felipe Balbi <me@felipebalbi.com> - * Introduced common header to be used also in USB Gadget Framework. - * Still needs some other style fixes. - * - * 2007_Jun_21 Alan Cox <alan@lxorguk.ukuu.org.uk> - * Minimal cleanups for some of the driver problens and tty layer abuse. - * Still needs fixing to allow multiple dongles. - * - * 2002_Mar_07 greg kh - * moved some needed structures and #define values from the - * net/irda/irda-usb.h file into our file, as we don't want to depend on - * that codebase compiling correctly :) - * - * 2002_Jan_14 gb - * Added module parameter to force specific number of XBOFs. - * Added ir_xbof_change(). - * Reorganized read_bulk_callback error handling. - * Switched from FILL_BULK_URB() to usb_fill_bulk_urb(). - * - * 2001_Nov_08 greg kh - * Changed the irda_usb_find_class_desc() function based on comments and - * code from Martin Diehl. - * - * 2001_Nov_01 greg kh - * Added support for more IrDA USB devices. - * Added support for zero packet. Added buffer override paramater, so - * users can transfer larger packets at once if they wish. Both patches - * came from Dag Brattli <dag@obexcode.com>. - * - * 2001_Oct_07 greg kh - * initial version released. */ #include <linux/kernel.h> @@ -77,7 +45,7 @@ #define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Johan Hovold <jhovold@gmail.com>" #define DRIVER_DESC "USB IR Dongle driver" -static int debug; +static bool debug; /* if overridden by the user, then use their value for the size of the read and * write urbs */ diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c index 6aca631a407a..3077a4436976 100644 --- a/drivers/usb/serial/iuu_phoenix.c +++ b/drivers/usb/serial/iuu_phoenix.c @@ -34,9 +34,9 @@ #ifdef CONFIG_USB_SERIAL_DEBUG -static int debug = 1; +static bool debug = 1; #else -static int debug; +static bool debug; #endif /* @@ -65,7 +65,7 @@ static int clockmode = 1; static int cdmode = 1; static int iuu_cardin; static int iuu_cardout; -static int xmas; +static bool xmas; static int vcc_default = 5; static void read_rxcmd_callback(struct urb *urb); @@ -1168,15 +1168,14 @@ static int iuu_open(struct tty_struct *tty, struct usb_serial_port *port) port->write_urb->transfer_buffer, 1, read_rxcmd_callback, port); result = usb_submit_urb(port->write_urb, GFP_KERNEL); - if (result) { dev_err(&port->dev, "%s - failed submitting read urb," " error %d\n", __func__, result); iuu_close(port); - return -EPROTO; } else { dbg("%s - rxcmd OK", __func__); } + return result; } diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index a442352d7b61..4cc36c761801 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -25,73 +25,6 @@ Tip 'o the hat to IBM (and previously Linuxcare :) for supporting staff in their work on open source projects. - - Change History - - 2003sep04 LPM (Keyspan) add support for new single port product USA19HS. - Improve setup message handling for all devices. - - Wed Feb 19 22:00:00 PST 2003 (Jeffrey S. Laing <keyspan@jsl.com>) - Merged the current (1/31/03) Keyspan code with the current (2.4.21-pre4) - Linux source tree. The Linux tree lacked support for the 49WLC and - others. The Keyspan patches didn't work with the current kernel. - - 2003jan30 LPM add support for the 49WLC and MPR - - Wed Apr 25 12:00:00 PST 2002 (Keyspan) - Started with Hugh Blemings' code dated Jan 17, 2002. All adapters - now supported (including QI and QW). Modified port open, port - close, and send setup() logic to fix various data and endpoint - synchronization bugs and device LED status bugs. Changed keyspan_ - write_room() to accurately return transmit buffer availability. - Changed forwardingLength from 1 to 16 for all adapters. - - Fri Oct 12 16:45:00 EST 2001 - Preliminary USA-19QI and USA-28 support (both test OK for me, YMMV) - - Wed Apr 25 12:00:00 PST 2002 (Keyspan) - Started with Hugh Blemings' code dated Jan 17, 2002. All adapters - now supported (including QI and QW). Modified port open, port - close, and send setup() logic to fix various data and endpoint - synchronization bugs and device LED status bugs. Changed keyspan_ - write_room() to accurately return transmit buffer availability. - Changed forwardingLength from 1 to 16 for all adapters. - - Fri Oct 12 16:45:00 EST 2001 - Preliminary USA-19QI and USA-28 support (both test OK for me, YMMV) - - Mon Oct 8 14:29:00 EST 2001 hugh - Fixed bug that prevented mulitport devices operating correctly - if they weren't the first unit attached. - - Sat Oct 6 12:31:21 EST 2001 hugh - Added support for USA-28XA and -28XB, misc cleanups, break support - for usa26 based models thanks to David Gibson. - - Thu May 31 11:56:42 PDT 2001 gkh - switched from using spinlock to a semaphore - - (04/08/2001) gb - Identify version on module load. - - (11/01/2000) Adam J. Richter - usb_device_id table support. - - Tue Oct 10 23:15:33 EST 2000 Hugh - Merged Paul's changes with my USA-49W mods. Work in progress - still... - - Wed Jul 19 14:00:42 EST 2000 gkh - Added module_init and module_exit functions to handle the fact that - this driver is a loadable module now. - - Tue Jul 18 16:14:52 EST 2000 Hugh - Basic character input/output for USA-19 now mostly works, - fixed at 9600 baud for the moment. - - Sat Jul 8 11:11:48 EST 2000 Hugh - First public release - nothing works except the firmware upload. - Tested on PPC and x86 architectures, seems to behave... */ @@ -112,7 +45,7 @@ #include <linux/usb/serial.h> #include "keyspan.h" -static int debug; +static bool debug; /* * Version Information @@ -397,7 +330,6 @@ static int keyspan_write(struct tty_struct *tty, /* send the data out the bulk port */ this_urb->transfer_buffer_length = todo + dataOffset; - this_urb->dev = port->serial->dev; err = usb_submit_urb(this_urb, GFP_ATOMIC); if (err != 0) dbg("usb_submit_urb(write bulk) failed (%d)", err); @@ -463,7 +395,6 @@ static void usa26_indat_callback(struct urb *urb) tty_kref_put(tty); /* Resubmit urb so we continue receiving */ - urb->dev = port->serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -559,7 +490,6 @@ static void usa26_instat_callback(struct urb *urb) } /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -609,7 +539,6 @@ static void usa28_indat_callback(struct urb *urb) tty_kref_put(tty); /* Resubmit urb so we continue receiving */ - urb->dev = port->serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", @@ -694,7 +623,6 @@ static void usa28_instat_callback(struct urb *urb) } /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -789,8 +717,6 @@ static void usa49_instat_callback(struct urb *urb) } /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; - err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -848,7 +774,6 @@ static void usa49_indat_callback(struct urb *urb) tty_kref_put(tty); /* Resubmit urb so we continue receiving */ - urb->dev = port->serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -919,8 +844,6 @@ static void usa49wg_indat_callback(struct urb *urb) } /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; - err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -996,7 +919,6 @@ static void usa90_indat_callback(struct urb *urb) } /* Resubmit urb so we continue receiving */ - urb->dev = port->serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -1047,7 +969,6 @@ static void usa90_instat_callback(struct urb *urb) } /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -1123,7 +1044,6 @@ static void usa67_instat_callback(struct urb *urb) } /* Resubmit urb so we continue receiving */ - urb->dev = serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err != 0) dbg("%s - resubmit read urb failed. (%d)", __func__, err); @@ -1223,7 +1143,6 @@ static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) urb = p_priv->in_urbs[i]; if (urb == NULL) continue; - urb->dev = serial->dev; /* make sure endpoint data toggle is synchronized with the device */ @@ -1239,7 +1158,6 @@ static int keyspan_open(struct tty_struct *tty, struct usb_serial_port *port) urb = p_priv->out_urbs[i]; if (urb == NULL) continue; - urb->dev = serial->dev; /* usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), usb_pipeout(urb->pipe), 0); */ } @@ -1956,7 +1874,6 @@ static int keyspan_usa26_send_setup(struct usb_serial *serial, /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); - this_urb->dev = serial->dev; err = usb_submit_urb(this_urb, GFP_ATOMIC); if (err != 0) dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); @@ -2084,7 +2001,6 @@ static int keyspan_usa28_send_setup(struct usb_serial *serial, /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); - this_urb->dev = serial->dev; err = usb_submit_urb(this_urb, GFP_ATOMIC); if (err != 0) dbg("%s - usb_submit_urb(setup) failed", __func__); @@ -2271,8 +2187,6 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial, /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); - - this_urb->dev = serial->dev; } err = usb_submit_urb(this_urb, GFP_ATOMIC); if (err != 0) @@ -2415,7 +2329,6 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial, /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); - this_urb->dev = serial->dev; err = usb_submit_urb(this_urb, GFP_ATOMIC); if (err != 0) dbg("%s - usb_submit_urb(setup) failed (%d)", __func__, err); @@ -2561,7 +2474,6 @@ static int keyspan_usa67_send_setup(struct usb_serial *serial, /* send the data out the device on control endpoint */ this_urb->transfer_buffer_length = sizeof(msg); - this_urb->dev = serial->dev; err = usb_submit_urb(this_urb, GFP_ATOMIC); if (err != 0) @@ -2650,14 +2562,12 @@ static int keyspan_startup(struct usb_serial *serial) keyspan_setup_urbs(serial); if (s_priv->instat_urb != NULL) { - s_priv->instat_urb->dev = serial->dev; err = usb_submit_urb(s_priv->instat_urb, GFP_KERNEL); if (err != 0) dbg("%s - submit instat urb failed %d", __func__, err); } if (s_priv->indat_urb != NULL) { - s_priv->indat_urb->dev = serial->dev; err = usb_submit_urb(s_priv->indat_urb, GFP_KERNEL); if (err != 0) dbg("%s - submit indat urb failed %d", __func__, diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c index d5c0c6ab4966..7c62a7048302 100644 --- a/drivers/usb/serial/keyspan_pda.c +++ b/drivers/usb/serial/keyspan_pda.c @@ -12,59 +12,6 @@ * * See Documentation/usb/usb-serial.txt for more information on using this * driver - * - * (09/07/2001) gkh - * cleaned up the Xircom support. Added ids for Entregra device which is - * the same as the Xircom device. Enabled the code to be compiled for - * either Xircom or Keyspan devices. - * - * (08/11/2001) Cristian M. Craciunescu - * support for Xircom PGSDB9 - * - * (05/31/2001) gkh - * switched from using spinlock to a semaphore, which fixes lots of - * problems. - * - * (04/08/2001) gb - * Identify version on module load. - * - * (11/01/2000) Adam J. Richter - * usb_device_id table support - * - * (10/05/2000) gkh - * Fixed bug with urb->dev not being set properly, now that the usb - * core needs it. - * - * (08/28/2000) gkh - * Added locks for SMP safeness. - * Fixed MOD_INC and MOD_DEC logic and the ability to open a port more - * than once. - * - * (07/20/2000) borchers - * - keyspan_pda_write no longer sleeps if it is called on interrupt time; - * PPP and the line discipline with stty echo on can call write on - * interrupt time and this would cause an oops if write slept - * - if keyspan_pda_write is in an interrupt, it will not call - * usb_control_msg (which sleeps) to query the room in the device - * buffer, it simply uses the current room value it has - * - if the urb is busy or if it is throttled keyspan_pda_write just - * returns 0, rather than sleeping to wait for this to change; the - * write_chan code in n_tty.c will sleep if needed before calling - * keyspan_pda_write again - * - if the device needs to be unthrottled, write now queues up the - * call to usb_control_msg (which sleeps) to unthrottle the device - * - the wakeups from keyspan_pda_write_bulk_callback are queued rather - * than done directly from the callback to avoid the race in write_chan - * - keyspan_pda_chars_in_buffer also indicates its buffer is full if the - * urb status is -EINPROGRESS, meaning it cannot write at the moment - * - * (07/19/2000) gkh - * Added module_init and module_exit functions to handle the fact that this - * driver is a loadable module now. - * - * (03/26/2000) gkh - * Split driver up into device specific pieces. - * */ @@ -84,7 +31,7 @@ #include <linux/usb.h> #include <linux/usb/serial.h> -static int debug; +static bool debug; /* make a simple define to handle if we are compiling keyspan_pda or xircom support */ #if defined(CONFIG_USB_SERIAL_KEYSPAN_PDA) || defined(CONFIG_USB_SERIAL_KEYSPAN_PDA_MODULE) @@ -290,7 +237,6 @@ static void keyspan_pda_rx_unthrottle(struct tty_struct *tty) struct usb_serial_port *port = tty->driver_data; /* just restart the receive interrupt URB */ dbg("keyspan_pda_rx_unthrottle port %d", port->number); - port->interrupt_in_urb->dev = port->serial->dev; if (usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL)) dbg(" usb_submit_urb(read urb) failed"); } @@ -532,11 +478,11 @@ static int keyspan_pda_write(struct tty_struct *tty, the device is full (wait until it says there is room) */ spin_lock_bh(&port->lock); - if (port->write_urb_busy || priv->tx_throttled) { + if (!test_bit(0, &port->write_urbs_free) || priv->tx_throttled) { spin_unlock_bh(&port->lock); return 0; } - port->write_urb_busy = 1; + clear_bit(0, &port->write_urbs_free); spin_unlock_bh(&port->lock); /* At this point the URB is in our control, nobody else can submit it @@ -598,7 +544,6 @@ static int keyspan_pda_write(struct tty_struct *tty, priv->tx_room -= count; - port->write_urb->dev = port->serial->dev; rc = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (rc) { dbg(" usb_submit_urb(write bulk) failed"); @@ -618,7 +563,7 @@ static int keyspan_pda_write(struct tty_struct *tty, rc = count; exit: if (rc < 0) - port->write_urb_busy = 0; + set_bit(0, &port->write_urbs_free); return rc; } @@ -628,7 +573,7 @@ static void keyspan_pda_write_bulk_callback(struct urb *urb) struct usb_serial_port *port = urb->context; struct keyspan_pda_private *priv; - port->write_urb_busy = 0; + set_bit(0, &port->write_urbs_free); priv = usb_get_serial_port_data(port); /* queue up a wakeup at scheduler time */ @@ -661,7 +606,7 @@ static int keyspan_pda_chars_in_buffer(struct tty_struct *tty) n_tty.c:normal_poll() ) that we're not writeable. */ spin_lock_irqsave(&port->lock, flags); - if (port->write_urb_busy || priv->tx_throttled) + if (!test_bit(0, &port->write_urbs_free) || priv->tx_throttled) ret = 256; spin_unlock_irqrestore(&port->lock, flags); return ret; @@ -717,7 +662,6 @@ static int keyspan_pda_open(struct tty_struct *tty, priv->tx_throttled = *room ? 0 : 1; /*Start reading from the device*/ - port->interrupt_in_urb->dev = serial->dev; rc = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (rc) { dbg("%s - usb_submit_urb(read int) failed", __func__); diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 19373cb7c5bf..fc064e1442ca 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -49,7 +49,7 @@ #include <linux/usb/serial.h> #include "kl5kusb105.h" -static int debug; +static bool debug; /* * Version Information diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index ddd146300ddb..5d3beeeb5fd9 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -20,18 +20,6 @@ * * Supported readers: USB TWIN, KAAN Standard Plus and SecOVID Reader Plus * (Adapter K), B1 Professional and KAAN Professional (Adapter B) - * - * (21/05/2004) tw - * Fix bug with P'n'P readers - * - * (28/05/2003) tw - * Add support for KAAN SIM - * - * (12/09/2002) tw - * Adapted to 2.5. - * - * (11/08/2002) tw - * Initial version. */ @@ -231,9 +219,6 @@ static int kobil_open(struct tty_struct *tty, struct usb_serial_port *port) dbg("%s - port %d", __func__, port->number); priv = usb_get_serial_port_data(port); - /* someone sets the dev to 0 if the close method has been called */ - port->interrupt_in_urb->dev = port->serial->dev; - /* allocate memory for transfer buffer */ transfer_buffer = kzalloc(transfer_buffer_length, GFP_KERNEL); if (!transfer_buffer) @@ -393,8 +378,6 @@ static void kobil_read_int_callback(struct urb *urb) tty_flip_buffer_push(tty); } tty_kref_put(tty); - /* someone sets the dev to 0 if the close method has been called */ - port->interrupt_in_urb->dev = port->serial->dev; result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); dbg("%s - port %d Send read URB returns: %i", @@ -475,17 +458,9 @@ static int kobil_write(struct tty_struct *tty, struct usb_serial_port *port, priv->filled = 0; priv->cur_pos = 0; - /* someone sets the dev to 0 if the close method - has been called */ - port->interrupt_in_urb->dev = port->serial->dev; - /* start reading (except TWIN and KAAN SIM) */ if (priv->device_type == KOBIL_ADAPTER_B_PRODUCT_ID || priv->device_type == KOBIL_ADAPTER_K_PRODUCT_ID) { - /* someone sets the dev to 0 if the close method has - been called */ - port->interrupt_in_urb->dev = port->serial->dev; - result = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO); dbg("%s - port %d Send read URB returns: %i", diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c index ba0d28727ccb..27fa9c8a77b0 100644 --- a/drivers/usb/serial/mct_u232.c +++ b/drivers/usb/serial/mct_u232.c @@ -19,50 +19,6 @@ * DTR/RTS signal handling may be incomplete or incorrect. I have mainly * implemented what I have seen with SniffUSB or found in belkin_sa.c. * For further TODOs check also belkin_sa.c. - * - * TEST STATUS: - * Basic tests have been performed with minicom/zmodem transfers and - * modem dialing under Linux 2.4.0-test10 (for me it works fine). - * - * 04-Nov-2003 Bill Marr <marr at flex dot com> - * - Mimic Windows driver by sending 2 USB 'device request' messages - * following normal 'baud rate change' message. This allows data to be - * transmitted to RS-232 devices which don't assert the 'CTS' signal. - * - * 10-Nov-2001 Wolfgang Grandegger - * - Fixed an endianess problem with the baudrate selection for PowerPC. - * - * 06-Dec-2001 Martin Hamilton <martinh@gnu.org> - * - Added support for the Belkin F5U109 DB9 adaptor - * - * 30-May-2001 Greg Kroah-Hartman - * - switched from using spinlock to a semaphore, which fixes lots of - * problems. - * - * 04-May-2001 Stelian Pop - * - Set the maximum bulk output size for Sitecom U232-P25 model to 16 bytes - * instead of the device reported 32 (using 32 bytes causes many data - * loss, Windows driver uses 16 too). - * - * 02-May-2001 Stelian Pop - * - Fixed the baud calculation for Sitecom U232-P25 model - * - * 08-Apr-2001 gb - * - Identify version on module load. - * - * 06-Jan-2001 Cornel Ciocirlan - * - Added support for Sitecom U232-P25 model (Product Id 0x0230) - * - Added support for D-Link DU-H3SP USB BAY (Product Id 0x0200) - * - * 29-Nov-2000 Greg Kroah-Hartman - * - Added device id table to fit with 2.4.0-test11 structure. - * - took out DEAL_WITH_TWO_INT_IN_ENDPOINTS #define as it's not needed - * (lots of things will change if/when the usb-serial core changes to - * handle these issues. - * - * 27-Nov-2000 Wolfgang Grandegge - * A version for kernel 2.4.0-test10 released to the Linux community - * (via linux-usb-devel). */ #include <linux/kernel.h> @@ -89,7 +45,7 @@ #define DRIVER_AUTHOR "Wolfgang Grandegger <wolfgang@ces.ch>" #define DRIVER_DESC "Magic Control Technology USB-RS232 converter driver" -static int debug; +static bool debug; /* * Function prototypes @@ -526,7 +482,6 @@ static int mct_u232_open(struct tty_struct *tty, struct usb_serial_port *port) mct_u232_msr_to_state(&priv->control_state, priv->last_msr); spin_unlock_irqrestore(&priv->lock, flags); - port->read_urb->dev = port->serial->dev; retval = usb_submit_urb(port->read_urb, GFP_KERNEL); if (retval) { dev_err(&port->dev, @@ -535,7 +490,6 @@ static int mct_u232_open(struct tty_struct *tty, struct usb_serial_port *port) goto error; } - port->interrupt_in_urb->dev = port->serial->dev; retval = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (retval) { usb_kill_urb(port->read_urb); diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 3524a105d042..4554ee49e635 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -71,7 +71,7 @@ struct moschip_port { struct urb *write_urb_pool[NUM_URBS]; }; -static int debug; +static bool debug; static struct usb_serial_driver moschip7720_2port_driver; @@ -939,14 +939,7 @@ static void mos7720_bulk_in_callback(struct urb *urb) } tty_kref_put(tty); - if (!port->read_urb) { - dbg("URB KILLED !!!"); - return; - } - if (port->read_urb->status != -EINPROGRESS) { - port->read_urb->dev = port->serial->dev; - retval = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (retval) dbg("usb_submit_urb(read bulk) failed, retval = %d", @@ -1014,7 +1007,6 @@ static int mos77xx_calc_num_ports(struct usb_serial *serial) static int mos7720_open(struct tty_struct *tty, struct usb_serial_port *port) { struct usb_serial *serial; - struct usb_serial_port *port0; struct urb *urb; struct moschip_port *mos7720_port; int response; @@ -1029,8 +1021,6 @@ static int mos7720_open(struct tty_struct *tty, struct usb_serial_port *port) if (mos7720_port == NULL) return -ENODEV; - port0 = serial->port[0]; - usb_clear_halt(serial->dev, port->write_urb->pipe); usb_clear_halt(serial->dev, port->read_urb->pipe); @@ -1735,8 +1725,6 @@ static void change_port_settings(struct tty_struct *tty, write_mos_reg(serial, port_number, IER, 0x0c); if (port->read_urb->status != -EINPROGRESS) { - port->read_urb->dev = serial->dev; - status = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (status) dbg("usb_submit_urb(read bulk) failed, status = %d", @@ -1786,13 +1774,7 @@ static void mos7720_set_termios(struct tty_struct *tty, /* change the port settings to the new ones specified */ change_port_settings(tty, mos7720_port, old_termios); - if (!port->read_urb) { - dbg("%s", "URB KILLED !!!!!"); - return; - } - if (port->read_urb->status != -EINPROGRESS) { - port->read_urb->dev = serial->dev; status = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (status) dbg("usb_submit_urb(read bulk) failed, status = %d", diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index c72abd524983..03b5e249e95e 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -263,7 +263,7 @@ struct moschip_port { }; -static int debug; +static bool debug; /* * mos7840_set_reg_sync @@ -792,8 +792,6 @@ static void mos7840_bulk_in_callback(struct urb *urb) } - mos7840_port->read_urb->dev = serial->dev; - mos7840_port->read_urb_busy = true; retval = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC); @@ -2058,7 +2056,6 @@ static void mos7840_change_port_settings(struct tty_struct *tty, mos7840_set_uart_reg(port, INTERRUPT_ENABLE_REGISTER, Data); if (mos7840_port->read_urb_busy == false) { - mos7840_port->read_urb->dev = serial->dev; mos7840_port->read_urb_busy = true; status = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC); if (status) { @@ -2130,7 +2127,6 @@ static void mos7840_set_termios(struct tty_struct *tty, } if (mos7840_port->read_urb_busy == false) { - mos7840_port->read_urb->dev = serial->dev; mos7840_port->read_urb_busy = true; status = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC); if (status) { diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c index 1f00f243c26c..b28f1db0195f 100644 --- a/drivers/usb/serial/navman.c +++ b/drivers/usb/serial/navman.c @@ -21,7 +21,7 @@ #include <linux/usb.h> #include <linux/usb/serial.h> -static int debug; +static bool debug; static const struct usb_device_id id_table[] = { { USB_DEVICE(0x0a99, 0x0001) }, /* Talon Technology device */ diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 60f38d5e64fc..8b8d58a2ac12 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -9,31 +9,6 @@ * driver * * Please report both successes and troubles to the author at omninet@kroah.com - * - * (05/30/2001) gkh - * switched from using spinlock to a semaphore, which fixes lots of - * problems. - * - * (04/08/2001) gb - * Identify version on module load. - * - * (11/01/2000) Adam J. Richter - * usb_device_id table support - * - * (10/05/2000) gkh - * Fixed bug with urb->dev not being set properly, now that the usb - * core needs it. - * - * (08/28/2000) gkh - * Added locks for SMP safeness. - * Fixed MOD_INC and MOD_DEC logic and the ability to open a port more - * than once. - * Fixed potential race in omninet_write_bulk_callback - * - * (07/19/2000) gkh - * Added module_init and module_exit functions to handle the fact that this - * driver is a loadable module now. - * */ #include <linux/kernel.h> @@ -44,12 +19,11 @@ #include <linux/tty_driver.h> #include <linux/tty_flip.h> #include <linux/module.h> -#include <linux/spinlock.h> #include <linux/uaccess.h> #include <linux/usb.h> #include <linux/usb/serial.h> -static int debug; +static bool debug; /* * Version Information @@ -174,12 +148,6 @@ static int omninet_open(struct tty_struct *tty, struct usb_serial_port *port) tty_port_tty_set(&wport->port, tty); /* Start reading from the device */ - usb_fill_bulk_urb(port->read_urb, serial->dev, - usb_rcvbulkpipe(serial->dev, - port->bulk_in_endpointAddress), - port->read_urb->transfer_buffer, - port->read_urb->transfer_buffer_length, - omninet_read_bulk_callback, port); result = usb_submit_urb(port->read_urb, GFP_KERNEL); if (result) dev_err(&port->dev, @@ -236,11 +204,6 @@ static void omninet_read_bulk_callback(struct urb *urb) } /* Continue trying to always read */ - usb_fill_bulk_urb(urb, port->serial->dev, - usb_rcvbulkpipe(port->serial->dev, - port->bulk_in_endpointAddress), - urb->transfer_buffer, urb->transfer_buffer_length, - omninet_read_bulk_callback, port); result = usb_submit_urb(urb, GFP_ATOMIC); if (result) dev_err(&port->dev, @@ -267,14 +230,10 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, return 0; } - spin_lock_bh(&wport->lock); - if (wport->write_urb_busy) { - spin_unlock_bh(&wport->lock); + if (!test_and_clear_bit(0, &port->write_urbs_free)) { dbg("%s - already writing", __func__); return 0; } - wport->write_urb_busy = 1; - spin_unlock_bh(&wport->lock); count = (count > OMNINET_BULKOUTSIZE) ? OMNINET_BULKOUTSIZE : count; @@ -292,10 +251,9 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port, /* send the data out the bulk port, always 64 bytes */ wport->write_urb->transfer_buffer_length = 64; - wport->write_urb->dev = serial->dev; result = usb_submit_urb(wport->write_urb, GFP_ATOMIC); if (result) { - wport->write_urb_busy = 0; + set_bit(0, &wport->write_urbs_free); dev_err(&port->dev, "%s - failed submitting write urb, error %d\n", __func__, result); @@ -314,8 +272,7 @@ static int omninet_write_room(struct tty_struct *tty) int room = 0; /* Default: no room */ - /* FIXME: no consistent locking for write_urb_busy */ - if (wport->write_urb_busy) + if (test_bit(0, &wport->write_urbs_free)) room = wport->bulk_out_size - OMNINET_HEADERLEN; dbg("%s - returns %d", __func__, room); @@ -332,7 +289,7 @@ static void omninet_write_bulk_callback(struct urb *urb) dbg("%s - port %0x", __func__, port->number); - port->write_urb_busy = 0; + set_bit(0, &port->write_urbs_free); if (status) { dbg("%s - nonzero write bulk status received: %d", __func__, status); diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index c248a9147439..262ded9e076b 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -32,7 +32,7 @@ * an examples of 1D barcode types are EAN, UPC, Code39, IATA etc.. */ #define DRIVER_DESC "Opticon USB barcode to serial driver (1D)" -static int debug; +static bool debug; static const struct usb_device_id id_table[] = { { USB_DEVICE(0x065a, 0x0009) }, @@ -384,7 +384,6 @@ static void opticon_unthrottle(struct tty_struct *tty) priv->actually_throttled = false; spin_unlock_irqrestore(&priv->lock, flags); - priv->bulk_read_urb->dev = port->serial->dev; if (was_throttled) { result = usb_submit_urb(priv->bulk_read_urb, GFP_ATOMIC); if (result) diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 89ae1f65e1b1..420d9857394a 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -156,6 +156,7 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_PRODUCT_K4511 0x14CC #define HUAWEI_PRODUCT_ETS1220 0x1803 #define HUAWEI_PRODUCT_E353 0x1506 +#define HUAWEI_PRODUCT_E173S 0x1C05 #define QUANTA_VENDOR_ID 0x0408 #define QUANTA_PRODUCT_Q101 0xEA02 @@ -316,6 +317,9 @@ static void option_instat_callback(struct urb *urb); #define ZTE_PRODUCT_AC8710 0xfff1 #define ZTE_PRODUCT_AC2726 0xfff5 #define ZTE_PRODUCT_AC8710T 0xffff +#define ZTE_PRODUCT_MC2718 0xffe8 +#define ZTE_PRODUCT_AD3812 0xffeb +#define ZTE_PRODUCT_MC2716 0xffed #define BENQ_VENDOR_ID 0x04a5 #define BENQ_PRODUCT_H10 0x4068 @@ -468,6 +472,14 @@ static void option_instat_callback(struct urb *urb); #define YUGA_PRODUCT_CLU528 0x260D #define YUGA_PRODUCT_CLU526 0x260F +/* Viettel products */ +#define VIETTEL_VENDOR_ID 0x2262 +#define VIETTEL_PRODUCT_VT1000 0x0002 + +/* ZD Incorporated */ +#define ZD_VENDOR_ID 0x0685 +#define ZD_PRODUCT_7000 0x7000 + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -500,6 +512,18 @@ static const struct option_blacklist_info zte_k3765_z_blacklist = { .reserved = BIT(4), }; +static const struct option_blacklist_info zte_ad3812_z_blacklist = { + .sendsetup = BIT(0) | BIT(1) | BIT(2), +}; + +static const struct option_blacklist_info zte_mc2718_z_blacklist = { + .sendsetup = BIT(1) | BIT(2) | BIT(3) | BIT(4), +}; + +static const struct option_blacklist_info zte_mc2716_z_blacklist = { + .sendsetup = BIT(1) | BIT(2) | BIT(3), +}; + static const struct option_blacklist_info huawei_cdc12_blacklist = { .reserved = BIT(1) | BIT(2), }; @@ -622,6 +646,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143D, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143E, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E143F, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173S, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &huawei_cdc12_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K3765, 0xff, 0xff, 0xff), @@ -640,6 +665,14 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x31) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4511, 0xff, 0x01, 0x32) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x01) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x02) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x03) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x10) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x12) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x01, 0x13) }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x01) }, /* E398 3G Modem */ + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x02) }, /* E398 3G PC UI Interface */ + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E353, 0xff, 0x02, 0x03) }, /* E398 3G Application Interface */ { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V640) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V620) }, { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_V740) }, @@ -726,6 +759,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) }, { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ + { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) }, @@ -1043,6 +1077,12 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC2726, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AC8710T, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2718, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&zte_mc2718_z_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_AD3812, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist }, { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) }, { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) }, { USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */ @@ -1141,6 +1181,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU516) }, { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU528) }, { USB_DEVICE(YUGA_VENDOR_ID, YUGA_PRODUCT_CLU526) }, + { USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZD_VENDOR_ID, ZD_PRODUCT_7000, 0xff, 0xff, 0xff) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); @@ -1192,7 +1234,7 @@ static struct usb_serial_driver option_1port_device = { #endif }; -static int debug; +static bool debug; /* per port private data */ diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c index 4c29e6c2bda7..e287fd32682c 100644 --- a/drivers/usb/serial/oti6858.c +++ b/drivers/usb/serial/oti6858.c @@ -74,7 +74,7 @@ static struct usb_driver oti6858_driver = { .no_dynamic_id = 1, }; -static int debug; +static bool debug; /* requests */ #define OTI6858_REQ_GET_STATUS (USB_DIR_IN | USB_TYPE_VENDOR | 0x00) @@ -264,7 +264,6 @@ static void setup_line(struct work_struct *work) spin_unlock_irqrestore(&priv->lock, flags); dbg("%s(): submitting interrupt urb", __func__); - port->interrupt_in_urb->dev = port->serial->dev; result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (result != 0) { dev_err(&port->dev, "%s(): usb_submit_urb() failed" @@ -321,7 +320,6 @@ static void send_data(struct work_struct *work) priv->flags.write_urb_in_use = 0; dbg("%s(): submitting interrupt urb", __func__); - port->interrupt_in_urb->dev = port->serial->dev; result = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO); if (result != 0) { dev_err(&port->dev, "%s(): usb_submit_urb() failed" @@ -334,7 +332,6 @@ static void send_data(struct work_struct *work) port->write_urb->transfer_buffer, count, &port->lock); port->write_urb->transfer_buffer_length = count; - port->write_urb->dev = port->serial->dev; result = usb_submit_urb(port->write_urb, GFP_NOIO); if (result != 0) { dev_err(&port->dev, "%s(): usb_submit_urb() failed" @@ -583,13 +580,12 @@ static int oti6858_open(struct tty_struct *tty, struct usb_serial_port *port) kfree(buf); dbg("%s(): submitting interrupt urb", __func__); - port->interrupt_in_urb->dev = serial->dev; result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (result != 0) { dev_err(&port->dev, "%s(): usb_submit_urb() failed" " with error %d\n", __func__, result); oti6858_close(port); - return -EPROTO; + return result; } /* setup termios */ @@ -837,7 +833,6 @@ static void oti6858_read_int_callback(struct urb *urb) if (can_recv) { int result; - port->read_urb->dev = port->serial->dev; result = usb_submit_urb(port->read_urb, GFP_ATOMIC); if (result != 0) { priv->flags.read_urb_in_use = 0; @@ -866,7 +861,6 @@ static void oti6858_read_int_callback(struct urb *urb) int result; /* dbg("%s(): submitting interrupt urb", __func__); */ - urb->dev = port->serial->dev; result = usb_submit_urb(urb, GFP_ATOMIC); if (result != 0) { dev_err(&urb->dev->dev, @@ -894,18 +888,6 @@ static void oti6858_read_bulk_callback(struct urb *urb) spin_unlock_irqrestore(&priv->lock, flags); if (status != 0) { - /* - if (status == -EPROTO) { - * PL2303 mysteriously fails with -EPROTO reschedule - the read * - dbg("%s - caught -EPROTO, resubmitting the urb", - __func__); - result = usb_submit_urb(urb, GFP_ATOMIC); - if (result) - dev_err(&urb->dev->dev, "%s - failed resubmitting read urb, error %d\n", __func__, result); - return; - } - */ dbg("%s(): unable to handle the error, exiting", __func__); return; } @@ -918,7 +900,6 @@ static void oti6858_read_bulk_callback(struct urb *urb) tty_kref_put(tty); /* schedule the interrupt urb */ - port->interrupt_in_urb->dev = port->serial->dev; result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); if (result != 0 && result != -EPERM) { dev_err(&port->dev, "%s(): usb_submit_urb() failed," @@ -955,7 +936,6 @@ static void oti6858_write_bulk_callback(struct urb *urb) dbg("%s(): overflow in write", __func__); port->write_urb->transfer_buffer_length = 1; - port->write_urb->dev = port->serial->dev; result = usb_submit_urb(port->write_urb, GFP_ATOMIC); if (result) { dev_err(&port->dev, "%s(): usb_submit_urb() failed," @@ -968,7 +948,6 @@ static void oti6858_write_bulk_callback(struct urb *urb) priv->flags.write_urb_in_use = 0; /* schedule the interrupt urb if we are still open */ - port->interrupt_in_urb->dev = port->serial->dev; dbg("%s(): submitting interrupt urb", __func__); result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC); if (result != 0) { diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 9083d1e616b4..3d8cda57ce7a 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -36,7 +36,7 @@ */ #define DRIVER_DESC "Prolific PL2303 USB to serial adaptor driver" -static int debug; +static bool debug; #define PL2303_CLOSING_WAIT (30*HZ) @@ -91,7 +91,6 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SONY_VENDOR_ID, SONY_QN3USB_PRODUCT_ID) }, { USB_DEVICE(SANWA_VENDOR_ID, SANWA_PRODUCT_ID) }, { USB_DEVICE(ADLINK_VENDOR_ID, ADLINK_ND6530_PRODUCT_ID) }, - { USB_DEVICE(WINCHIPHEAD_VENDOR_ID, WINCHIPHEAD_USBSER_PRODUCT_ID) }, { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, { } /* Terminating entry */ }; @@ -503,21 +502,20 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port) if (tty) pl2303_set_termios(tty, port, &tmp_termios); - dbg("%s - submitting read urb", __func__); - result = usb_serial_generic_submit_read_urb(port, GFP_KERNEL); - if (result) { - pl2303_close(port); - return -EPROTO; - } - dbg("%s - submitting interrupt urb", __func__); result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); if (result) { dev_err(&port->dev, "%s - failed submitting interrupt urb," " error %d\n", __func__, result); - pl2303_close(port); - return -EPROTO; + return result; } + + result = usb_serial_generic_open(tty, port); + if (result) { + usb_kill_urb(port->interrupt_in_urb); + return result; + } + port->port.drain_delay = 256; return 0; } diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 3d10d7f02072..c38b8c00c06f 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -145,10 +145,6 @@ #define ADLINK_VENDOR_ID 0x0b63 #define ADLINK_ND6530_PRODUCT_ID 0x6530 -/* WinChipHead USB->RS 232 adapter */ -#define WINCHIPHEAD_VENDOR_ID 0x4348 -#define WINCHIPHEAD_USBSER_PRODUCT_ID 0x5523 - /* SMART USB Serial Adapter */ #define SMART_VENDOR_ID 0x0b8c #define SMART_PRODUCT_ID 0x2303 diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index aa9367f5b421..1d5deee3be52 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -22,7 +22,7 @@ #define DRIVER_AUTHOR "Qualcomm Inc" #define DRIVER_DESC "Qualcomm USB Serial driver" -static int debug; +static bool debug; static const struct usb_device_id id_table[] = { {USB_DEVICE(0x05c6, 0x9211)}, /* Acer Gobi QDL device */ diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c index a36e2313eed0..d074b3740dcb 100644 --- a/drivers/usb/serial/safe_serial.c +++ b/drivers/usb/serial/safe_serial.c @@ -81,9 +81,9 @@ #define CONFIG_USB_SERIAL_SAFE_PADDED 0 #endif -static int debug; -static int safe = 1; -static int padded = CONFIG_USB_SERIAL_SAFE_PADDED; +static bool debug; +static bool safe = 1; +static bool padded = CONFIG_USB_SERIAL_SAFE_PADDED; #define DRIVER_VERSION "v0.1" #define DRIVER_AUTHOR "sl@lineo.com, tbr@lineo.com, Johan Hovold <jhovold@gmail.com>" diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index b18179bda0d8..fdae0a4407cb 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -46,8 +46,8 @@ allocations > PAGE_SIZE and the number of packets in a page is an integer 512 is the largest possible packet on EHCI */ -static int debug; -static int nmea; +static bool debug; +static bool nmea; /* Used in interface blacklisting */ struct sierra_iface_info { @@ -681,7 +681,6 @@ static void sierra_instat_callback(struct urb *urb) /* Resubmit urb so we continue receiving IRQ data */ if (status != -ESHUTDOWN && status != -ENOENT) { usb_mark_last_busy(serial->dev); - urb->dev = serial->dev; err = usb_submit_urb(urb, GFP_ATOMIC); if (err && err != -EPERM) dev_err(&port->dev, "%s: resubmit intr urb " diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c index 180ea6c7911c..d7f5eee18f00 100644 --- a/drivers/usb/serial/spcp8x5.c +++ b/drivers/usb/serial/spcp8x5.c @@ -33,7 +33,7 @@ #define DRIVER_VERSION "v0.10" #define DRIVER_DESC "SPCP8x5 USB to serial adaptor driver" -static int debug; +static bool debug; #define SPCP8x5_007_VID 0x04FC #define SPCP8x5_007_PID 0x0201 diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c index 87362e48796e..7697858d8858 100644 --- a/drivers/usb/serial/ssu100.c +++ b/drivers/usb/serial/ssu100.c @@ -46,7 +46,7 @@ #define FULLPWRBIT 0x00000080 #define NEXT_BOARD_POWER_BIT 0x00000004 -static int debug; +static bool debug; /* Version Information */ #define DRIVER_VERSION "v0.1" diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 7096f799b071..50651cf4fc61 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -20,7 +20,7 @@ #include <linux/usb/serial.h> #include <linux/uaccess.h> -static int debug; +static bool debug; static const struct usb_device_id id_table[] = { { USB_DEVICE(0x05e0, 0x0600) }, @@ -182,7 +182,6 @@ static void symbol_unthrottle(struct tty_struct *tty) priv->actually_throttled = false; spin_unlock_irq(&priv->lock); - priv->int_urb->dev = port->serial->dev; if (was_throttled) { result = usb_submit_urb(priv->int_urb, GFP_KERNEL); if (result) diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index ea8445689c85..8468eb769a29 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -150,7 +150,7 @@ static int ti_download_firmware(struct ti_device *tdev); /* Data */ /* module parameters */ -static int debug; +static bool debug; static int closing_wait = TI_DEFAULT_CLOSING_WAIT; static ushort vendor_3410[TI_EXTRA_VID_PID_COUNT]; static unsigned int vendor_3410_count; @@ -535,9 +535,7 @@ static int ti_open(struct tty_struct *tty, struct usb_serial_port *port) status = -EINVAL; goto release_lock; } - urb->complete = ti_interrupt_callback; urb->context = tdev; - urb->dev = dev; status = usb_submit_urb(urb, GFP_KERNEL); if (status) { dev_err(&port->dev, @@ -619,9 +617,7 @@ static int ti_open(struct tty_struct *tty, struct usb_serial_port *port) goto unlink_int_urb; } tport->tp_read_urb_state = TI_READ_URB_RUNNING; - urb->complete = ti_bulk_in_callback; urb->context = tport; - urb->dev = dev; status = usb_submit_urb(urb, GFP_KERNEL); if (status) { dev_err(&port->dev, "%s - submit read urb failed, %d\n", @@ -1236,12 +1232,11 @@ static void ti_bulk_in_callback(struct urb *urb) exit: /* continue to read unless stopping */ spin_lock(&tport->tp_lock); - if (tport->tp_read_urb_state == TI_READ_URB_RUNNING) { - urb->dev = port->serial->dev; + if (tport->tp_read_urb_state == TI_READ_URB_RUNNING) retval = usb_submit_urb(urb, GFP_ATOMIC); - } else if (tport->tp_read_urb_state == TI_READ_URB_STOPPING) { + else if (tport->tp_read_urb_state == TI_READ_URB_STOPPING) tport->tp_read_urb_state = TI_READ_URB_STOPPED; - } + spin_unlock(&tport->tp_lock); if (retval) dev_err(dev, "%s - resubmit read urb failed, %d\n", @@ -1574,9 +1569,7 @@ static int ti_restart_read(struct ti_port *tport, struct tty_struct *tty) tport->tp_read_urb_state = TI_READ_URB_RUNNING; urb = tport->tp_port->read_urb; spin_unlock_irqrestore(&tport->tp_lock, flags); - urb->complete = ti_bulk_in_callback; urb->context = tport; - urb->dev = tport->tp_port->serial->dev; status = usb_submit_urb(urb, GFP_KERNEL); } else { tport->tp_read_urb_state = TI_READ_URB_RUNNING; diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index cc274fdf2627..611b206591cb 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -50,7 +50,7 @@ static struct usb_driver usb_serial_driver = { .disconnect = usb_serial_disconnect, .suspend = usb_serial_suspend, .resume = usb_serial_resume, - .no_dynamic_id = 1, + .no_dynamic_id = 1, .supports_autosuspend = 1, }; @@ -61,7 +61,7 @@ static struct usb_driver usb_serial_driver = { drivers depend on it. */ -static int debug; +static bool debug; /* initially all NULL */ static struct usb_serial *serial_table[SERIAL_TTY_MINORS]; static DEFINE_MUTEX(table_lock); @@ -260,6 +260,10 @@ static int serial_activate(struct tty_port *tport, struct tty_struct *tty) else retval = port->serial->type->open(tty, port); mutex_unlock(&serial->disc_mutex); + + if (retval < 0) + retval = usb_translate_errors(retval); + return retval; } @@ -360,7 +364,8 @@ static int serial_write(struct tty_struct *tty, const unsigned char *buf, /* pass on to the driver specific version of this function */ retval = port->serial->type->write(tty, port, buf, count); - + if (retval < 0) + retval = usb_translate_errors(retval); exit: return retval; } @@ -562,8 +567,8 @@ static void kill_traffic(struct usb_serial_port *port) { int i; - usb_kill_urb(port->read_urb); - usb_kill_urb(port->write_urb); + for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) + usb_kill_urb(port->read_urbs[i]); for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) usb_kill_urb(port->write_urbs[i]); /* @@ -595,17 +600,17 @@ static void port_release(struct device *dev) kill_traffic(port); cancel_work_sync(&port->work); - usb_free_urb(port->read_urb); - usb_free_urb(port->write_urb); usb_free_urb(port->interrupt_in_urb); usb_free_urb(port->interrupt_out_urb); + for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) { + usb_free_urb(port->read_urbs[i]); + kfree(port->bulk_in_buffers[i]); + } for (i = 0; i < ARRAY_SIZE(port->write_urbs); ++i) { usb_free_urb(port->write_urbs[i]); kfree(port->bulk_out_buffers[i]); } kfifo_free(&port->write_fifo); - kfree(port->bulk_in_buffer); - kfree(port->bulk_out_buffer); kfree(port->interrupt_in_buffer); kfree(port->interrupt_out_buffer); kfree(port); @@ -686,16 +691,18 @@ static int serial_carrier_raised(struct tty_port *port) { struct usb_serial_port *p = container_of(port, struct usb_serial_port, port); struct usb_serial_driver *drv = p->serial->type; + if (drv->carrier_raised) return drv->carrier_raised(p); /* No carrier control - don't block */ - return 1; + return 1; } static void serial_dtr_rts(struct tty_port *port, int on) { struct usb_serial_port *p = container_of(port, struct usb_serial_port, port); struct usb_serial_driver *drv = p->serial->type; + if (drv->dtr_rts) drv->dtr_rts(p, on); } @@ -724,6 +731,7 @@ int usb_serial_probe(struct usb_interface *interface, unsigned int minor; int buffer_size; int i; + int j; int num_interrupt_in = 0; int num_interrupt_out = 0; int num_bulk_in = 0; @@ -906,38 +914,41 @@ int usb_serial_probe(struct usb_interface *interface, for (i = 0; i < num_bulk_in; ++i) { endpoint = bulk_in_endpoint[i]; port = serial->port[i]; - port->read_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!port->read_urb) { - dev_err(&interface->dev, "No free urbs available\n"); - goto probe_error; - } buffer_size = max_t(int, serial->type->bulk_in_size, usb_endpoint_maxp(endpoint)); port->bulk_in_size = buffer_size; port->bulk_in_endpointAddress = endpoint->bEndpointAddress; - port->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL); - if (!port->bulk_in_buffer) { - dev_err(&interface->dev, + + for (j = 0; j < ARRAY_SIZE(port->read_urbs); ++j) { + set_bit(j, &port->read_urbs_free); + port->read_urbs[j] = usb_alloc_urb(0, GFP_KERNEL); + if (!port->read_urbs[j]) { + dev_err(&interface->dev, + "No free urbs available\n"); + goto probe_error; + } + port->bulk_in_buffers[j] = kmalloc(buffer_size, + GFP_KERNEL); + if (!port->bulk_in_buffers[j]) { + dev_err(&interface->dev, "Couldn't allocate bulk_in_buffer\n"); - goto probe_error; - } - usb_fill_bulk_urb(port->read_urb, dev, - usb_rcvbulkpipe(dev, + goto probe_error; + } + usb_fill_bulk_urb(port->read_urbs[j], dev, + usb_rcvbulkpipe(dev, endpoint->bEndpointAddress), - port->bulk_in_buffer, buffer_size, - serial->type->read_bulk_callback, port); + port->bulk_in_buffers[j], buffer_size, + serial->type->read_bulk_callback, + port); + } + + port->read_urb = port->read_urbs[0]; + port->bulk_in_buffer = port->bulk_in_buffers[0]; } for (i = 0; i < num_bulk_out; ++i) { - int j; - endpoint = bulk_out_endpoint[i]; port = serial->port[i]; - port->write_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!port->write_urb) { - dev_err(&interface->dev, "No free urbs available\n"); - goto probe_error; - } if (kfifo_alloc(&port->write_fifo, PAGE_SIZE, GFP_KERNEL)) goto probe_error; buffer_size = serial->type->bulk_out_size; @@ -945,17 +956,7 @@ int usb_serial_probe(struct usb_interface *interface, buffer_size = usb_endpoint_maxp(endpoint); port->bulk_out_size = buffer_size; port->bulk_out_endpointAddress = endpoint->bEndpointAddress; - port->bulk_out_buffer = kmalloc(buffer_size, GFP_KERNEL); - if (!port->bulk_out_buffer) { - dev_err(&interface->dev, - "Couldn't allocate bulk_out_buffer\n"); - goto probe_error; - } - usb_fill_bulk_urb(port->write_urb, dev, - usb_sndbulkpipe(dev, - endpoint->bEndpointAddress), - port->bulk_out_buffer, buffer_size, - serial->type->write_bulk_callback, port); + for (j = 0; j < ARRAY_SIZE(port->write_urbs); ++j) { set_bit(j, &port->write_urbs_free); port->write_urbs[j] = usb_alloc_urb(0, GFP_KERNEL); @@ -978,6 +979,9 @@ int usb_serial_probe(struct usb_interface *interface, serial->type->write_bulk_callback, port); } + + port->write_urb = port->write_urbs[0]; + port->bulk_out_buffer = port->bulk_out_buffers[0]; } if (serial->type->read_int_callback) { @@ -1196,7 +1200,7 @@ static const struct tty_operations serial_ops = { .open = serial_open, .close = serial_close, .write = serial_write, - .hangup = serial_hangup, + .hangup = serial_hangup, .write_room = serial_write_room, .ioctl = serial_ioctl, .set_termios = serial_set_termios, @@ -1206,9 +1210,9 @@ static const struct tty_operations serial_ops = { .chars_in_buffer = serial_chars_in_buffer, .tiocmget = serial_tiocmget, .tiocmset = serial_tiocmset, - .get_icount = serial_get_icount, - .cleanup = serial_cleanup, - .install = serial_install, + .get_icount = serial_get_icount, + .cleanup = serial_cleanup, + .install = serial_install, .proc_fops = &serial_proc_fops, }; @@ -1237,7 +1241,7 @@ static int __init usb_serial_init(void) usb_serial_tty_driver->owner = THIS_MODULE; usb_serial_tty_driver->driver_name = "usbserial"; - usb_serial_tty_driver->name = "ttyUSB"; + usb_serial_tty_driver->name = "ttyUSB"; usb_serial_tty_driver->major = SERIAL_TTY_MAJOR; usb_serial_tty_driver->minor_start = 0; usb_serial_tty_driver->type = TTY_DRIVER_TYPE_SERIAL; @@ -1336,7 +1340,6 @@ static void fixup_generic(struct usb_serial_driver *device) int usb_serial_register(struct usb_serial_driver *driver) { - /* must be called with BKL held */ int retval; if (usb_disabled()) @@ -1374,7 +1377,6 @@ EXPORT_SYMBOL_GPL(usb_serial_register); void usb_serial_deregister(struct usb_serial_driver *device) { - /* must be called with BKL held */ printk(KERN_INFO "USB Serial deregistering driver %s\n", device->description); mutex_lock(&table_lock); diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index 95a82148ee81..9b632e753210 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -40,7 +40,7 @@ static struct usb_driver debug_driver = { .probe = usb_serial_probe, .disconnect = usb_serial_disconnect, .id_table = id_table, - .no_dynamic_id = 1, + .no_dynamic_id = 1, }; /* This HW really does not support a serial break, so one will be @@ -54,19 +54,18 @@ static void usb_debug_break_ctl(struct tty_struct *tty, int break_state) usb_serial_generic_write(tty, port, USB_DEBUG_BRK, USB_DEBUG_BRK_SIZE); } -static void usb_debug_read_bulk_callback(struct urb *urb) +static void usb_debug_process_read_urb(struct urb *urb) { struct usb_serial_port *port = urb->context; if (urb->actual_length == USB_DEBUG_BRK_SIZE && - memcmp(urb->transfer_buffer, USB_DEBUG_BRK, - USB_DEBUG_BRK_SIZE) == 0) { + memcmp(urb->transfer_buffer, USB_DEBUG_BRK, + USB_DEBUG_BRK_SIZE) == 0) { usb_serial_handle_break(port); - usb_serial_generic_submit_read_urb(port, GFP_ATOMIC); return; } - usb_serial_generic_read_bulk_callback(urb); + usb_serial_generic_process_read_urb(urb); } static struct usb_serial_driver debug_device = { @@ -79,7 +78,7 @@ static struct usb_serial_driver debug_device = { .num_ports = 1, .bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE, .break_ctl = usb_debug_break_ctl, - .read_bulk_callback = usb_debug_read_bulk_callback, + .process_read_urb = usb_debug_process_read_urb, }; static int __init debug_init(void) diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index d555ca9567b8..c88657dd31c8 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -37,7 +37,7 @@ #include <linux/serial.h> #include "usb-wwan.h" -static int debug; +static bool debug; void usb_wwan_dtr_rts(struct usb_serial_port *port, int on) { diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c index 1c11959a7d58..210e4b10dc11 100644 --- a/drivers/usb/serial/visor.c +++ b/drivers/usb/serial/visor.c @@ -52,7 +52,7 @@ static int palm_os_4_probe(struct usb_serial *serial, const struct usb_device_id *id); /* Parameters that may be passed into the module. */ -static int debug; +static bool debug; static __u16 vendor; static __u16 product; diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c index 5b073bcc807b..7e0acf5c8e38 100644 --- a/drivers/usb/serial/whiteheat.c +++ b/drivers/usb/serial/whiteheat.c @@ -14,57 +14,6 @@ * * See Documentation/usb/usb-serial.txt for more information on using this * driver - * - * (10/09/2002) Stuart MacDonald (stuartm@connecttech.com) - * Upgrade to full working driver - * - * (05/30/2001) gkh - * switched from using spinlock to a semaphore, which fixes lots of - * problems. - * - * (04/08/2001) gb - * Identify version on module load. - * - * 2001_Mar_19 gkh - * Fixed MOD_INC and MOD_DEC logic, the ability to open a port more - * than once, and the got the proper usb_device_id table entries so - * the driver works again. - * - * (11/01/2000) Adam J. Richter - * usb_device_id table support - * - * (10/05/2000) gkh - * Fixed bug with urb->dev not being set properly, now that the usb - * core needs it. - * - * (10/03/2000) smd - * firmware is improved to guard against crap sent to device - * firmware now replies CMD_FAILURE on bad things - * read_callback fix you provided for private info struct - * command_finished now indicates success or fail - * setup_port struct now packed to avoid gcc padding - * firmware uses 1 based port numbering, driver now handles that - * - * (09/11/2000) gkh - * Removed DEBUG #ifdefs with call to usb_serial_debug_data - * - * (07/19/2000) gkh - * Added module_init and module_exit functions to handle the fact that this - * driver is a loadable module now. - * Fixed bug with port->minor that was found by Al Borchers - * - * (07/04/2000) gkh - * Added support for port settings. Baud rate can now be changed. Line - * signals are not transferred to and from the tty layer yet, but things - * seem to be working well now. - * - * (05/04/2000) gkh - * First cut at open and close commands. Data can flow through the ports at - * default speeds now. - * - * (03/26/2000) gkh - * Split driver up into device specific pieces. - * */ #include <linux/kernel.h> @@ -87,7 +36,7 @@ #include <linux/ihex.h> #include "whiteheat.h" /* WhiteHEAT specific commands */ -static int debug; +static bool debug; #ifndef CMSPAR #define CMSPAR 0 @@ -753,7 +702,6 @@ static void whiteheat_close(struct usb_serial_port *port) static int whiteheat_write(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count) { - struct usb_serial *serial = port->serial; struct whiteheat_private *info = usb_get_serial_port_data(port); struct whiteheat_urb_wrap *wrap; struct urb *urb; @@ -789,7 +737,6 @@ static int whiteheat_write(struct tty_struct *tty, usb_serial_debug_data(debug, &port->dev, __func__, bytes, urb->transfer_buffer); - urb->dev = serial->dev; urb->transfer_buffer_length = bytes; result = usb_submit_urb(urb, GFP_ATOMIC); if (result) { @@ -1035,7 +982,6 @@ static void command_port_read_callback(struct urb *urb) dbg("%s - bad reply from firmware", __func__); /* Continue trying to always read */ - command_port->read_urb->dev = command_port->serial->dev; result = usb_submit_urb(command_port->read_urb, GFP_ATOMIC); if (result) dbg("%s - failed resubmitting read urb, error %d", @@ -1141,7 +1087,6 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command, transfer_buffer[0] = command; memcpy(&transfer_buffer[1], data, datasize); command_port->write_urb->transfer_buffer_length = datasize + 1; - command_port->write_urb->dev = port->serial->dev; retval = usb_submit_urb(command_port->write_urb, GFP_NOIO); if (retval) { dbg("%s - submit urb failed", __func__); @@ -1362,7 +1307,6 @@ static int start_command_port(struct usb_serial *serial) /* Work around HCD bugs */ usb_clear_halt(serial->dev, command_port->read_urb->pipe); - command_port->read_urb->dev = serial->dev; retval = usb_submit_urb(command_port->read_urb, GFP_KERNEL); if (retval) { dev_err(&serial->dev->dev, @@ -1410,7 +1354,6 @@ static int start_port_read(struct usb_serial_port *port) list_del(tmp); wrap = list_entry(tmp, struct whiteheat_urb_wrap, list); urb = wrap->urb; - urb->dev = port->serial->dev; spin_unlock_irqrestore(&info->lock, flags); retval = usb_submit_urb(urb, GFP_KERNEL); if (retval) { @@ -1490,7 +1433,6 @@ static void rx_data_softint(struct work_struct *work) sent += tty_insert_flip_string(tty, urb->transfer_buffer, urb->actual_length); - urb->dev = port->serial->dev; result = usb_submit_urb(urb, GFP_ATOMIC); if (result) { dev_err(&port->dev, diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c index 42d0eaed4a01..51af2fee2efd 100644 --- a/drivers/usb/storage/alauda.c +++ b/drivers/usb/storage/alauda.c @@ -139,7 +139,7 @@ static int init_alauda(struct us_data *us); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id alauda_usb_ids[] = { +static struct usb_device_id alauda_usb_ids[] = { # include "unusual_alauda.h" { } /* Terminating entry */ }; @@ -1278,15 +1278,4 @@ static struct usb_driver alauda_driver = { .soft_unbind = 1, }; -static int __init alauda_init(void) -{ - return usb_register(&alauda_driver); -} - -static void __exit alauda_exit(void) -{ - usb_deregister(&alauda_driver); -} - -module_init(alauda_init); -module_exit(alauda_exit); +module_usb_driver(alauda_driver); diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c index c84471821183..387cbd47acc9 100644 --- a/drivers/usb/storage/cypress_atacb.c +++ b/drivers/usb/storage/cypress_atacb.c @@ -43,7 +43,7 @@ MODULE_LICENSE("GPL"); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id cypress_usb_ids[] = { +static struct usb_device_id cypress_usb_ids[] = { # include "unusual_cypress.h" { } /* Terminating entry */ }; @@ -274,15 +274,4 @@ static struct usb_driver cypress_driver = { .soft_unbind = 1, }; -static int __init cypress_init(void) -{ - return usb_register(&cypress_driver); -} - -static void __exit cypress_exit(void) -{ - usb_deregister(&cypress_driver); -} - -module_init(cypress_init); -module_exit(cypress_exit); +module_usb_driver(cypress_driver); diff --git a/drivers/usb/storage/datafab.c b/drivers/usb/storage/datafab.c index ded836b02d7b..15d41f2b3d6f 100644 --- a/drivers/usb/storage/datafab.c +++ b/drivers/usb/storage/datafab.c @@ -88,7 +88,7 @@ static int datafab_determine_lun(struct us_data *us, { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id datafab_usb_ids[] = { +static struct usb_device_id datafab_usb_ids[] = { # include "unusual_datafab.h" { } /* Terminating entry */ }; @@ -753,15 +753,4 @@ static struct usb_driver datafab_driver = { .soft_unbind = 1, }; -static int __init datafab_init(void) -{ - return usb_register(&datafab_driver); -} - -static void __exit datafab_exit(void) -{ - usb_deregister(&datafab_driver); -} - -module_init(datafab_init); -module_exit(datafab_exit); +module_usb_driver(datafab_driver); diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c index 4dca3ef0668c..a6ade4071a9a 100644 --- a/drivers/usb/storage/ene_ub6250.c +++ b/drivers/usb/storage/ene_ub6250.c @@ -42,7 +42,7 @@ MODULE_LICENSE("GPL"); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id ene_ub6250_usb_ids[] = { +static struct usb_device_id ene_ub6250_usb_ids[] = { # include "unusual_ene_ub6250.h" { } /* Terminating entry */ }; @@ -607,8 +607,8 @@ static int sd_scsi_mode_sense(struct us_data *us, struct scsi_cmnd *srb) static int sd_scsi_read_capacity(struct us_data *us, struct scsi_cmnd *srb) { - u32 bl_num; - u16 bl_len; + u32 bl_num; + u32 bl_len; unsigned int offset = 0; unsigned char buf[8]; struct scatterlist *sg = NULL; @@ -622,7 +622,7 @@ static int sd_scsi_read_capacity(struct us_data *us, struct scsi_cmnd *srb) else bl_num = (info->HC_C_SIZE + 1) * 1024 - 1; } else { - bl_len = 1<<(info->SD_READ_BL_LEN); + bl_len = 1 << (info->SD_READ_BL_LEN); bl_num = info->SD_Block_Mult * (info->SD_C_SIZE + 1) * (1 << (info->SD_C_SIZE_MULT + 2)) - 1; } @@ -777,7 +777,7 @@ static int ms_lib_free_logicalmap(struct us_data *us) return 0; } -int ms_lib_alloc_logicalmap(struct us_data *us) +static int ms_lib_alloc_logicalmap(struct us_data *us) { u32 i; struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra; @@ -1762,10 +1762,9 @@ static int ms_scsi_write(struct us_data *us, struct scsi_cmnd *srb) result = ene_send_scsi_cmd(us, FDIR_WRITE, scsi_sglist(srb), 1); } else { void *buf; - int offset; + int offset = 0; u16 PhyBlockAddr; u8 PageNum; - u32 result; u16 len, oldphy, newphy; buf = kmalloc(blenByte, GFP_KERNEL); @@ -2249,7 +2248,7 @@ static int sd_scsi_irp(struct us_data *us, struct scsi_cmnd *srb) /* * ms_scsi_irp() */ -int ms_scsi_irp(struct us_data *us, struct scsi_cmnd *srb) +static int ms_scsi_irp(struct us_data *us, struct scsi_cmnd *srb) { int result; struct ene_ub6250_info *info = (struct ene_ub6250_info *)us->extra; @@ -2410,15 +2409,4 @@ static struct usb_driver ene_ub6250_driver = { .soft_unbind = 1, }; -static int __init ene_ub6250_init(void) -{ - return usb_register(&ene_ub6250_driver); -} - -static void __exit ene_ub6250_exit(void) -{ - usb_deregister(&ene_ub6250_driver); -} - -module_init(ene_ub6250_init); -module_exit(ene_ub6250_exit); +module_usb_driver(ene_ub6250_driver); diff --git a/drivers/usb/storage/freecom.c b/drivers/usb/storage/freecom.c index 6542ca40d505..fa1615748475 100644 --- a/drivers/usb/storage/freecom.c +++ b/drivers/usb/storage/freecom.c @@ -119,7 +119,7 @@ static int init_freecom(struct us_data *us); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id freecom_usb_ids[] = { +static struct usb_device_id freecom_usb_ids[] = { # include "unusual_freecom.h" { } /* Terminating entry */ }; @@ -555,15 +555,4 @@ static struct usb_driver freecom_driver = { .soft_unbind = 1, }; -static int __init freecom_init(void) -{ - return usb_register(&freecom_driver); -} - -static void __exit freecom_exit(void) -{ - usb_deregister(&freecom_driver); -} - -module_init(freecom_init); -module_exit(freecom_exit); +module_usb_driver(freecom_driver); diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c index ffc4193e9505..bd5502700831 100644 --- a/drivers/usb/storage/isd200.c +++ b/drivers/usb/storage/isd200.c @@ -61,7 +61,7 @@ #include "scsiglue.h" MODULE_DESCRIPTION("Driver for In-System Design, Inc. ISD200 ASIC"); -MODULE_AUTHOR("Björn Stenberg <bjorn@haxx.se>"); +MODULE_AUTHOR("Björn Stenberg <bjorn@haxx.se>"); MODULE_LICENSE("GPL"); static int isd200_Initialization(struct us_data *us); @@ -76,7 +76,7 @@ static int isd200_Initialization(struct us_data *us); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id isd200_usb_ids[] = { +static struct usb_device_id isd200_usb_ids[] = { # include "unusual_isd200.h" { } /* Terminating entry */ }; @@ -1568,15 +1568,4 @@ static struct usb_driver isd200_driver = { .soft_unbind = 1, }; -static int __init isd200_init(void) -{ - return usb_register(&isd200_driver); -} - -static void __exit isd200_exit(void) -{ - usb_deregister(&isd200_driver); -} - -module_init(isd200_init); -module_exit(isd200_exit); +module_usb_driver(isd200_driver); diff --git a/drivers/usb/storage/jumpshot.c b/drivers/usb/storage/jumpshot.c index 6168596c5ac6..a19211b5c265 100644 --- a/drivers/usb/storage/jumpshot.c +++ b/drivers/usb/storage/jumpshot.c @@ -71,7 +71,7 @@ MODULE_LICENSE("GPL"); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id jumpshot_usb_ids[] = { +static struct usb_device_id jumpshot_usb_ids[] = { # include "unusual_jumpshot.h" { } /* Terminating entry */ }; @@ -679,15 +679,4 @@ static struct usb_driver jumpshot_driver = { .soft_unbind = 1, }; -static int __init jumpshot_init(void) -{ - return usb_register(&jumpshot_driver); -} - -static void __exit jumpshot_exit(void) -{ - usb_deregister(&jumpshot_driver); -} - -module_init(jumpshot_init); -module_exit(jumpshot_exit); +module_usb_driver(jumpshot_driver); diff --git a/drivers/usb/storage/karma.c b/drivers/usb/storage/karma.c index ba1b78906880..e720f8ebdf9f 100644 --- a/drivers/usb/storage/karma.c +++ b/drivers/usb/storage/karma.c @@ -59,7 +59,7 @@ static int rio_karma_init(struct us_data *us); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id karma_usb_ids[] = { +static struct usb_device_id karma_usb_ids[] = { # include "unusual_karma.h" { } /* Terminating entry */ }; @@ -232,15 +232,4 @@ static struct usb_driver karma_driver = { .soft_unbind = 1, }; -static int __init karma_init(void) -{ - return usb_register(&karma_driver); -} - -static void __exit karma_exit(void) -{ - usb_deregister(&karma_driver); -} - -module_init(karma_init); -module_exit(karma_exit); +module_usb_driver(karma_driver); diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c index 1943be5a2914..d75155c38200 100644 --- a/drivers/usb/storage/onetouch.c +++ b/drivers/usb/storage/onetouch.c @@ -69,7 +69,7 @@ struct usb_onetouch { { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id onetouch_usb_ids[] = { +static struct usb_device_id onetouch_usb_ids[] = { # include "unusual_onetouch.h" { } /* Terminating entry */ }; @@ -314,15 +314,4 @@ static struct usb_driver onetouch_driver = { .soft_unbind = 1, }; -static int __init onetouch_init(void) -{ - return usb_register(&onetouch_driver); -} - -static void __exit onetouch_exit(void) -{ - usb_deregister(&onetouch_driver); -} - -module_init(onetouch_init); -module_exit(onetouch_exit); +module_usb_driver(onetouch_driver); diff --git a/drivers/usb/storage/protocol.c b/drivers/usb/storage/protocol.c index 93c1a4d86f51..82dd834709c7 100644 --- a/drivers/usb/storage/protocol.c +++ b/drivers/usb/storage/protocol.c @@ -59,7 +59,9 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us) { - /* Pad the SCSI command with zeros out to 12 bytes + /* + * Pad the SCSI command with zeros out to 12 bytes. If the + * command already is 12 bytes or longer, leave it alone. * * NOTE: This only works because a scsi_cmnd struct field contains * a unsigned char cmnd[16], so we know we have storage available @@ -67,9 +69,6 @@ void usb_stor_pad12_command(struct scsi_cmnd *srb, struct us_data *us) for (; srb->cmd_len<12; srb->cmd_len++) srb->cmnd[srb->cmd_len] = 0; - /* set command length to 12 bytes */ - srb->cmd_len = 12; - /* send the command to the transport layer */ usb_stor_invoke_transport(srb, us); } diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c index 0ce5f79197e7..1f62723ef1a8 100644 --- a/drivers/usb/storage/realtek_cr.c +++ b/drivers/usb/storage/realtek_cr.c @@ -398,10 +398,9 @@ static int rts51x_write_mem(struct us_data *us, u16 addr, u8 *data, u16 len) u8 cmnd[12] = { 0 }; u8 *buf; - buf = kmalloc(len, GFP_NOIO); + buf = kmemdup(data, len, GFP_NOIO); if (buf == NULL) return USB_STOR_TRANSPORT_ERROR; - memcpy(buf, data, len); US_DEBUGP("%s, addr = 0x%x, len = %d\n", __func__, addr, len); @@ -507,15 +506,14 @@ static int enable_oscillator(struct us_data *us) static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len) { int retval; - u16 addr = 0xFE47; u8 cmnd[12] = {0}; - US_DEBUGP("%s, addr = 0x%x, len = %d\n", __FUNCTION__, addr, len); + US_DEBUGP("%s, addr = 0xfe47, len = %d\n", __FUNCTION__, len); cmnd[0] = 0xF0; cmnd[1] = 0x0E; - cmnd[2] = (u8)(addr >> 8); - cmnd[3] = (u8)addr; + cmnd[2] = 0xfe; + cmnd[3] = 0x47; cmnd[4] = (u8)(len >> 8); cmnd[5] = (u8)len; @@ -818,7 +816,7 @@ static inline int working_scsi(struct scsi_cmnd *srb) return 1; } -void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) +static void rts51x_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) { struct rts51x_chip *chip = (struct rts51x_chip *)(us->extra); static int card_first_show = 1; @@ -977,7 +975,7 @@ static void realtek_cr_destructor(void *extra) } #ifdef CONFIG_PM -int realtek_cr_suspend(struct usb_interface *iface, pm_message_t message) +static int realtek_cr_suspend(struct usb_interface *iface, pm_message_t message) { struct us_data *us = usb_get_intfdata(iface); @@ -1104,15 +1102,4 @@ static struct usb_driver realtek_cr_driver = { .supports_autosuspend = 1, }; -static int __init realtek_cr_init(void) -{ - return usb_register(&realtek_cr_driver); -} - -static void __exit realtek_cr_exit(void) -{ - usb_deregister(&realtek_cr_driver); -} - -module_init(realtek_cr_init); -module_exit(realtek_cr_exit); +module_usb_driver(realtek_cr_driver); diff --git a/drivers/usb/storage/sddr09.c b/drivers/usb/storage/sddr09.c index bcb9a709d349..425df7df2e56 100644 --- a/drivers/usb/storage/sddr09.c +++ b/drivers/usb/storage/sddr09.c @@ -71,7 +71,7 @@ static int usb_stor_sddr09_init(struct us_data *us); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id sddr09_usb_ids[] = { +static struct usb_device_id sddr09_usb_ids[] = { # include "unusual_sddr09.h" { } /* Terminating entry */ }; @@ -1789,15 +1789,4 @@ static struct usb_driver sddr09_driver = { .soft_unbind = 1, }; -static int __init sddr09_init(void) -{ - return usb_register(&sddr09_driver); -} - -static void __exit sddr09_exit(void) -{ - usb_deregister(&sddr09_driver); -} - -module_init(sddr09_init); -module_exit(sddr09_exit); +module_usb_driver(sddr09_driver); diff --git a/drivers/usb/storage/sddr55.c b/drivers/usb/storage/sddr55.c index 44dfed7754ed..e4ca5fcb7cc3 100644 --- a/drivers/usb/storage/sddr55.c +++ b/drivers/usb/storage/sddr55.c @@ -48,7 +48,7 @@ MODULE_LICENSE("GPL"); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id sddr55_usb_ids[] = { +static struct usb_device_id sddr55_usb_ids[] = { # include "unusual_sddr55.h" { } /* Terminating entry */ }; @@ -1008,15 +1008,4 @@ static struct usb_driver sddr55_driver = { .soft_unbind = 1, }; -static int __init sddr55_init(void) -{ - return usb_register(&sddr55_driver); -} - -static void __exit sddr55_exit(void) -{ - usb_deregister(&sddr55_driver); -} - -module_init(sddr55_init); -module_exit(sddr55_exit); +module_usb_driver(sddr55_driver); diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c index 0b00091d2ae9..1369d2590616 100644 --- a/drivers/usb/storage/shuttle_usbat.c +++ b/drivers/usb/storage/shuttle_usbat.c @@ -170,7 +170,7 @@ static int init_usbat_flash(struct us_data *us); { USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \ .driver_info = (flags)|(USB_US_TYPE_STOR<<24) } -struct usb_device_id usbat_usb_ids[] = { +static struct usb_device_id usbat_usb_ids[] = { # include "unusual_usbat.h" { } /* Terminating entry */ }; @@ -1865,15 +1865,4 @@ static struct usb_driver usbat_driver = { .soft_unbind = 1, }; -static int __init usbat_init(void) -{ - return usb_register(&usbat_driver); -} - -static void __exit usbat_exit(void) -{ - usb_deregister(&usbat_driver); -} - -module_init(usbat_init); -module_exit(usbat_exit); +module_usb_driver(usbat_driver); diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 1d10d5b8204c..a33ead5dce20 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -760,18 +760,7 @@ static struct usb_driver uas_driver = { .id_table = uas_usb_ids, }; -static int uas_init(void) -{ - return usb_register(&uas_driver); -} - -static void uas_exit(void) -{ - usb_deregister(&uas_driver); -} - -module_init(uas_init); -module_exit(uas_exit); +module_usb_driver(uas_driver); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Matthew Wilcox and Sarah Sharp"); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 3041a974faf3..856ad92c40de 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1854,6 +1854,13 @@ UNUSUAL_DEV( 0x1370, 0x6828, 0x0110, 0x0110, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), +/* Reported by Qinglin Ye <yestyle@gmail.com> */ +UNUSUAL_DEV( 0x13fe, 0x3600, 0x0100, 0x0100, + "Kingston", + "DT 101 G2", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_BULK_IGNORE_TAG ), + /* Reported by Francesco Foresti <frafore@tiscali.it> */ UNUSUAL_DEV( 0x14cd, 0x6600, 0x0201, 0x0201, "Super Top", @@ -1907,7 +1914,7 @@ UNUSUAL_DEV( 0x1b1c, 0x1ab5, 0x0200, 0x0200, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_INITIAL_READ10 ), -/* Patch by Richard Schütz <r.schtz@t-online.de> +/* Patch by Richard Schütz <r.schtz@t-online.de> * This external hard drive enclosure uses a JMicron chip which * needs the US_FL_IGNORE_RESIDUE flag to work properly. */ UNUSUAL_DEV( 0x1e68, 0x001b, 0x0000, 0x0000, diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index c325e69415a1..3dd7da9fd504 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -831,7 +831,8 @@ static int usb_stor_scan_thread(void * __us) dev_dbg(dev, "device found\n"); - set_freezable_with_signal(); + set_freezable(); + /* * Wait for the timeout to expire or for a disconnect * @@ -839,16 +840,16 @@ static int usb_stor_scan_thread(void * __us) * fail to freeze, but we can't be non-freezable either. Nor can * khubd freeze while waiting for scanning to complete as it may * hold the device lock, causing a hang when suspending devices. - * So we request a fake signal when freezing and use - * interruptible sleep to kick us out of our wait early when - * freezing happens. + * So instead of using wait_event_freezable(), explicitly test + * for (DONT_SCAN || freezing) in interruptible wait and proceed + * if any of DONT_SCAN, freezing or timeout has happened. */ if (delay_use > 0) { dev_dbg(dev, "waiting for device to settle " "before scanning\n"); wait_event_interruptible_timeout(us->delay_wait, - test_bit(US_FLIDX_DONT_SCAN, &us->dflags), - delay_use * HZ); + test_bit(US_FLIDX_DONT_SCAN, &us->dflags) || + freezing(current), delay_use * HZ); } /* If the device is still connected, perform the scanning */ @@ -1073,6 +1074,7 @@ static struct usb_driver usb_storage_driver = { .id_table = usb_storage_usb_ids, .supports_autosuspend = 1, .soft_unbind = 1, + .no_dynamic_id = 1, }; static int __init usb_stor_init(void) diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c index 32d6fc953904..8efeae24764f 100644 --- a/drivers/usb/usb-skeleton.c +++ b/drivers/usb/usb-skeleton.c @@ -27,6 +27,8 @@ #define USB_SKEL_VENDOR_ID 0xfff0 #define USB_SKEL_PRODUCT_ID 0xfff0 +static DEFINE_MUTEX(skel_mutex); + /* table of devices that work with this driver */ static const struct usb_device_id skel_table[] = { { USB_DEVICE(USB_SKEL_VENDOR_ID, USB_SKEL_PRODUCT_ID) }, @@ -60,7 +62,6 @@ struct usb_skel { __u8 bulk_in_endpointAddr; /* the address of the bulk in endpoint */ __u8 bulk_out_endpointAddr; /* the address of the bulk out endpoint */ int errors; /* the last request tanked */ - int open_count; /* count the number of openers */ bool ongoing_read; /* a read is going on */ bool processed_urb; /* indicates we haven't processed the urb */ spinlock_t err_lock; /* lock for errors */ @@ -100,39 +101,37 @@ static int skel_open(struct inode *inode, struct file *file) goto exit; } + mutex_lock(&skel_mutex); dev = usb_get_intfdata(interface); if (!dev) { + mutex_unlock(&skel_mutex); retval = -ENODEV; goto exit; } /* increment our usage count for the device */ kref_get(&dev->kref); + mutex_unlock(&skel_mutex); /* lock the device to allow correctly handling errors * in resumption */ mutex_lock(&dev->io_mutex); + if (!dev->interface) { + retval = -ENODEV; + goto out_err; + } - if (!dev->open_count++) { - retval = usb_autopm_get_interface(interface); - if (retval) { - dev->open_count--; - mutex_unlock(&dev->io_mutex); - kref_put(&dev->kref, skel_delete); - goto exit; - } - } /* else { //uncomment this block if you want exclusive open - retval = -EBUSY; - dev->open_count--; - mutex_unlock(&dev->io_mutex); - kref_put(&dev->kref, skel_delete); - goto exit; - } */ - /* prevent the device from being autosuspended */ + retval = usb_autopm_get_interface(interface); + if (retval) + goto out_err; /* save our object in the file's private structure */ file->private_data = dev; + +out_err: mutex_unlock(&dev->io_mutex); + if (retval) + kref_put(&dev->kref, skel_delete); exit: return retval; @@ -148,7 +147,7 @@ static int skel_release(struct inode *inode, struct file *file) /* allow the device to be autosuspended */ mutex_lock(&dev->io_mutex); - if (!--dev->open_count && dev->interface) + if (dev->interface) usb_autopm_put_interface(dev->interface); mutex_unlock(&dev->io_mutex); @@ -612,7 +611,6 @@ static void skel_disconnect(struct usb_interface *interface) int minor = interface->minor; dev = usb_get_intfdata(interface); - usb_set_intfdata(interface, NULL); /* give back our minor */ usb_deregister_dev(interface, &skel_class); @@ -624,8 +622,12 @@ static void skel_disconnect(struct usb_interface *interface) usb_kill_anchored_urbs(&dev->submitted); + mutex_lock(&skel_mutex); + usb_set_intfdata(interface, NULL); + /* decrement our usage count */ kref_put(&dev->kref, skel_delete); + mutex_unlock(&skel_mutex); dev_info(&interface->dev, "USB Skeleton #%d now disconnected", minor); } @@ -688,25 +690,6 @@ static struct usb_driver skel_driver = { .supports_autosuspend = 1, }; -static int __init usb_skel_init(void) -{ - int result; - - /* register this driver with the USB subsystem */ - result = usb_register(&skel_driver); - if (result) - err("usb_register failed. Error number %d", result); - - return result; -} - -static void __exit usb_skel_exit(void) -{ - /* deregister this driver with the USB subsystem */ - usb_deregister(&skel_driver); -} - -module_init(usb_skel_init); -module_exit(usb_skel_exit); +module_usb_driver(skel_driver); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/wusbcore/Kconfig b/drivers/usb/wusbcore/Kconfig index eb09a0a14a80..0ead8826ec79 100644 --- a/drivers/usb/wusbcore/Kconfig +++ b/drivers/usb/wusbcore/Kconfig @@ -5,6 +5,7 @@ config USB_WUSB tristate "Enable Wireless USB extensions (EXPERIMENTAL)" depends on EXPERIMENTAL depends on USB + depends on PCI select UWB select CRYPTO select CRYPTO_BLKCIPHER diff --git a/drivers/usb/wusbcore/cbaf.c b/drivers/usb/wusbcore/cbaf.c index 200fd7c6c7d5..7f78f300f8fb 100644 --- a/drivers/usb/wusbcore/cbaf.c +++ b/drivers/usb/wusbcore/cbaf.c @@ -655,17 +655,7 @@ static struct usb_driver cbaf_driver = { .disconnect = cbaf_disconnect, }; -static int __init cbaf_driver_init(void) -{ - return usb_register(&cbaf_driver); -} -module_init(cbaf_driver_init); - -static void __exit cbaf_driver_exit(void) -{ - usb_deregister(&cbaf_driver); -} -module_exit(cbaf_driver_exit); +module_usb_driver(cbaf_driver); MODULE_AUTHOR("Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>"); MODULE_DESCRIPTION("Wireless USB Cable Based Association"); diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c index 371f61733f05..fa810a83e830 100644 --- a/drivers/usb/wusbcore/security.c +++ b/drivers/usb/wusbcore/security.c @@ -354,7 +354,7 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev, struct wusb_keydvt_in keydvt_in; struct wusb_keydvt_out keydvt_out; - hs = kzalloc(3*sizeof(hs[0]), GFP_KERNEL); + hs = kcalloc(3, sizeof(hs[0]), GFP_KERNEL); if (hs == NULL) { dev_err(dev, "can't allocate handshake data\n"); goto error_kzalloc; |