diff options
Diffstat (limited to 'drivers/staging')
29 files changed, 127 insertions, 2508 deletions
diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index b653451843c8..937c2d5d7ec3 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -1300,7 +1300,7 @@ static int ion_debug_heap_show(struct seq_file *s, void *unused) seq_printf(s, "%16s %16u %16zu %d %d\n", buffer->task_comm, buffer->pid, buffer->size, buffer->kmap_cnt, - atomic_read(&buffer->ref.refcount)); + kref_read(&buffer->ref)); total_orphaned_size += buffer->size; } } diff --git a/drivers/staging/comedi/comedi_buf.c b/drivers/staging/comedi/comedi_buf.c index c7d7682b1412..1e1df89b5018 100644 --- a/drivers/staging/comedi/comedi_buf.c +++ b/drivers/staging/comedi/comedi_buf.c @@ -188,7 +188,7 @@ bool comedi_buf_is_mmapped(struct comedi_subdevice *s) { struct comedi_buf_map *bm = s->async->buf_map; - return bm && (atomic_read(&bm->refcount.refcount) > 1); + return bm && (kref_read(&bm->refcount) > 1); } int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s, diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c index 0eabfe1135b5..ee5f998b174f 100644 --- a/drivers/staging/greybus/gpio.c +++ b/drivers/staging/greybus/gpio.c @@ -474,17 +474,20 @@ static void gb_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) gb_gpio_set_value_operation(ggc, (u8)offset, !!value); } -static int gb_gpio_set_debounce(struct gpio_chip *chip, unsigned int offset, - unsigned int debounce) +static int gb_gpio_set_config(struct gpio_chip *chip, unsigned int offset, + unsigned long config) { struct gb_gpio_controller *ggc = gpio_chip_to_gb_gpio_controller(chip); - u16 usec; + u32 debounce; + if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE) + return -ENOTSUPP; + + debounce = pinconf_to_config_argument(config); if (debounce > U16_MAX) return -EINVAL; - usec = (u16)debounce; - return gb_gpio_set_debounce_operation(ggc, (u8)offset, usec); + return gb_gpio_set_debounce_operation(ggc, (u8)offset, (u16)debounce); } static int gb_gpio_controller_setup(struct gb_gpio_controller *ggc) @@ -690,7 +693,7 @@ static int gb_gpio_probe(struct gbphy_device *gbphy_dev, gpio->direction_output = gb_gpio_direction_output; gpio->get = gb_gpio_get; gpio->set = gb_gpio_set; - gpio->set_debounce = gb_gpio_set_debounce; + gpio->set_config = gb_gpio_set_config; gpio->to_irq = gb_gpio_to_irq; gpio->base = -1; /* Allocate base dynamically */ gpio->ngpio = ggc->line_max + 1; diff --git a/drivers/staging/greybus/svc_watchdog.c b/drivers/staging/greybus/svc_watchdog.c index d8af2d5d0025..779fbea5d4ba 100644 --- a/drivers/staging/greybus/svc_watchdog.c +++ b/drivers/staging/greybus/svc_watchdog.c @@ -44,14 +44,14 @@ static int svc_watchdog_pm_notifier(struct notifier_block *notifier, static void greybus_reset(struct work_struct *work) { - static char start_path[256] = "/system/bin/start"; + static char const start_path[] = "/system/bin/start"; static char *envp[] = { "HOME=/", "PATH=/sbin:/vendor/bin:/system/sbin:/system/bin:/system/xbin", NULL, }; static char *argv[] = { - start_path, + (char *)start_path, "unipro_reset", NULL, }; diff --git a/drivers/staging/ks7010/ks_hostif.c b/drivers/staging/ks7010/ks_hostif.c index 97d7b56c592a..da7c42ef05f5 100644 --- a/drivers/staging/ks7010/ks_hostif.c +++ b/drivers/staging/ks7010/ks_hostif.c @@ -461,7 +461,6 @@ void hostif_data_indication(struct ks_wlan_private *priv) skb->protocol = eth_type_trans(skb, skb->dev); priv->nstats.rx_packets++; priv->nstats.rx_bytes += rx_ind_size; - skb->dev->last_rx = jiffies; netif_rx(skb); } else { priv->nstats.rx_dropped++; @@ -494,7 +493,6 @@ void hostif_data_indication(struct ks_wlan_private *priv) skb->protocol = eth_type_trans(skb, skb->dev); priv->nstats.rx_packets++; priv->nstats.rx_bytes += rx_ind_size; - skb->dev->last_rx = jiffies; netif_rx(skb); } else { priv->nstats.rx_dropped++; diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c index 39a72e3f0c18..7035356e56b3 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c @@ -107,7 +107,7 @@ void __noreturn lbug_with_loc(struct libcfs_debug_msg_data *msgdata) libcfs_debug_dumplog(); if (libcfs_panic_on_lbug) panic("LBUG"); - set_task_state(current, TASK_UNINTERRUPTIBLE); + set_current_state(TASK_UNINTERRUPTIBLE); while (1) schedule(); } diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c index ee01f20d8b11..9afa6bec3e6f 100644 --- a/drivers/staging/lustre/lustre/llite/llite_mmap.c +++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c @@ -390,15 +390,13 @@ static int ll_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) result = VM_FAULT_LOCKED; break; case -ENODATA: + case -EAGAIN: case -EFAULT: result = VM_FAULT_NOPAGE; break; case -ENOMEM: result = VM_FAULT_OOM; break; - case -EAGAIN: - result = VM_FAULT_RETRY; - break; default: result = VM_FAULT_SIGBUS; break; diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.c b/drivers/staging/media/davinci_vpfe/vpfe_video.c index c27d7e9a1bdb..8b2117ee0f60 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.c +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.c @@ -129,7 +129,7 @@ __vpfe_video_get_format(struct vpfe_video_device *video, /* make a note of pipeline details */ static int vpfe_prepare_pipeline(struct vpfe_video_device *video) { - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &video->video_dev.entity; struct media_device *mdev = entity->graph_obj.mdev; struct vpfe_pipeline *pipe = &video->pipe; @@ -145,13 +145,13 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video) pipe->outputs[pipe->output_num++] = video; mutex_lock(&mdev->graph_mutex); - ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev); + ret = media_graph_walk_init(&graph, mdev); if (ret) { mutex_unlock(&mdev->graph_mutex); return -ENOMEM; } - media_entity_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) { + media_graph_walk_start(&graph, entity); + while ((entity = media_graph_walk_next(&graph))) { if (entity == &video->video_dev.entity) continue; if (!is_media_entity_v4l2_video_device(entity)) @@ -162,7 +162,7 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video) else pipe->outputs[pipe->output_num++] = far_end; } - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); mutex_unlock(&mdev->graph_mutex); return 0; @@ -300,12 +300,11 @@ static int vpfe_pipeline_enable(struct vpfe_pipeline *pipe) mdev = entity->graph_obj.mdev; mutex_lock(&mdev->graph_mutex); - ret = media_entity_graph_walk_init(&pipe->graph, - entity->graph_obj.mdev); + ret = media_graph_walk_init(&pipe->graph, mdev); if (ret) goto out; - media_entity_graph_walk_start(&pipe->graph, entity); - while ((entity = media_entity_graph_walk_next(&pipe->graph))) { + media_graph_walk_start(&pipe->graph, entity); + while ((entity = media_graph_walk_next(&pipe->graph))) { if (!is_media_entity_v4l2_subdev(entity)) continue; @@ -316,7 +315,7 @@ static int vpfe_pipeline_enable(struct vpfe_pipeline *pipe) } out: if (ret) - media_entity_graph_walk_cleanup(&pipe->graph); + media_graph_walk_cleanup(&pipe->graph); mutex_unlock(&mdev->graph_mutex); return ret; } @@ -346,9 +345,9 @@ static int vpfe_pipeline_disable(struct vpfe_pipeline *pipe) mdev = entity->graph_obj.mdev; mutex_lock(&mdev->graph_mutex); - media_entity_graph_walk_start(&pipe->graph, entity); + media_graph_walk_start(&pipe->graph, entity); - while ((entity = media_entity_graph_walk_next(&pipe->graph))) { + while ((entity = media_graph_walk_next(&pipe->graph))) { if (!is_media_entity_v4l2_subdev(entity)) continue; @@ -359,7 +358,7 @@ static int vpfe_pipeline_disable(struct vpfe_pipeline *pipe) } mutex_unlock(&mdev->graph_mutex); - media_entity_graph_walk_cleanup(&pipe->graph); + media_graph_walk_cleanup(&pipe->graph); return ret ? -ETIMEDOUT : 0; } diff --git a/drivers/staging/media/davinci_vpfe/vpfe_video.h b/drivers/staging/media/davinci_vpfe/vpfe_video.h index aaec4403df3b..22136d3dadcb 100644 --- a/drivers/staging/media/davinci_vpfe/vpfe_video.h +++ b/drivers/staging/media/davinci_vpfe/vpfe_video.h @@ -52,7 +52,7 @@ enum vpfe_video_state { struct vpfe_pipeline { /* media pipeline */ struct media_pipeline *pipe; - struct media_entity_graph graph; + struct media_graph graph; /* state of the pipeline, continuous, * single-shot or stopped */ diff --git a/drivers/staging/media/lirc/Kconfig b/drivers/staging/media/lirc/Kconfig index 25b7e7ccf554..bc67da254262 100644 --- a/drivers/staging/media/lirc/Kconfig +++ b/drivers/staging/media/lirc/Kconfig @@ -12,26 +12,6 @@ menuconfig LIRC_STAGING if LIRC_STAGING -config LIRC_BT829 - tristate "BT829 based hardware" - depends on LIRC && PCI - help - Driver for the IR interface on BT829-based hardware - -config LIRC_IMON - tristate "Legacy SoundGraph iMON Receiver and Display" - depends on LIRC && USB - help - Driver for the original SoundGraph iMON IR Receiver and Display - - Current generation iMON devices use the input layer imon driver. - -config LIRC_PARALLEL - tristate "Homebrew Parallel Port Receiver" - depends on LIRC && PARPORT - help - Driver for Homebrew Parallel Port Receivers - config LIRC_SASEM tristate "Sasem USB IR Remote" depends on LIRC && USB @@ -40,7 +20,7 @@ config LIRC_SASEM config LIRC_SIR tristate "Built-in SIR IrDA port" - depends on LIRC + depends on RC_CORE help Driver for the SIR IrDA port diff --git a/drivers/staging/media/lirc/Makefile b/drivers/staging/media/lirc/Makefile index 7f919eab1989..28740c94349c 100644 --- a/drivers/staging/media/lirc/Makefile +++ b/drivers/staging/media/lirc/Makefile @@ -3,9 +3,6 @@ # Each configuration option enables a list of files. -obj-$(CONFIG_LIRC_BT829) += lirc_bt829.o -obj-$(CONFIG_LIRC_IMON) += lirc_imon.o -obj-$(CONFIG_LIRC_PARALLEL) += lirc_parallel.o obj-$(CONFIG_LIRC_SASEM) += lirc_sasem.o obj-$(CONFIG_LIRC_SIR) += lirc_sir.o obj-$(CONFIG_LIRC_ZILOG) += lirc_zilog.o diff --git a/drivers/staging/media/lirc/lirc_bt829.c b/drivers/staging/media/lirc/lirc_bt829.c deleted file mode 100644 index 04d881b391c7..000000000000 --- a/drivers/staging/media/lirc/lirc_bt829.c +++ /dev/null @@ -1,401 +0,0 @@ -/* - * Remote control driver for the TV-card based on bt829 - * - * by Leonid Froenchenko <lfroen@galileo.co.il> - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/threads.h> -#include <linux/sched.h> -#include <linux/ioport.h> -#include <linux/pci.h> -#include <linux/delay.h> - -#include <media/lirc_dev.h> - -static int poll_main(void); -static int atir_init_start(void); - -static void write_index(unsigned char index, unsigned int value); -static unsigned int read_index(unsigned char index); - -static void do_i2c_start(void); -static void do_i2c_stop(void); - -static void seems_wr_byte(unsigned char al); -static unsigned char seems_rd_byte(void); - -static unsigned int read_index(unsigned char al); -static void write_index(unsigned char ah, unsigned int edx); - -static void cycle_delay(int cycle); - -static void do_set_bits(unsigned char bl); -static unsigned char do_get_bits(void); - -#define DATA_PCI_OFF 0x7FFC00 -#define WAIT_CYCLE 20 - -#define DRIVER_NAME "lirc_bt829" - -static bool debug; - -static int atir_minor; -static phys_addr_t pci_addr_phys; -static unsigned char __iomem *pci_addr_lin; - -static struct lirc_driver atir_driver; - -static struct pci_dev *do_pci_probe(void) -{ - struct pci_dev *my_dev; - - my_dev = pci_get_device(PCI_VENDOR_ID_ATI, - PCI_DEVICE_ID_ATI_264VT, NULL); - if (my_dev) { - pr_err("Using device: %s\n", pci_name(my_dev)); - pci_addr_phys = 0; - if (my_dev->resource[0].flags & IORESOURCE_MEM) { - pci_addr_phys = my_dev->resource[0].start; - pr_info("memory at %pa\n", &pci_addr_phys); - } - if (pci_addr_phys == 0) { - pr_err("no memory resource ?\n"); - pci_dev_put(my_dev); - return NULL; - } - } else { - pr_err("pci_probe failed\n"); - return NULL; - } - return my_dev; -} - -static int atir_add_to_buf(void *data, struct lirc_buffer *buf) -{ - unsigned char key; - int status; - - status = poll_main(); - key = (status >> 8) & 0xFF; - if (status & 0xFF) { - dev_dbg(atir_driver.dev, "reading key %02X\n", key); - lirc_buffer_write(buf, &key); - return 0; - } - return -ENODATA; -} - -static int atir_set_use_inc(void *data) -{ - dev_dbg(atir_driver.dev, "driver is opened\n"); - return 0; -} - -static void atir_set_use_dec(void *data) -{ - dev_dbg(atir_driver.dev, "driver is closed\n"); -} - -int init_module(void) -{ - struct pci_dev *pdev; - int rc; - - pdev = do_pci_probe(); - if (!pdev) - return -ENODEV; - - rc = pci_enable_device(pdev); - if (rc) - goto err_put_dev; - - if (!atir_init_start()) { - rc = -ENODEV; - goto err_disable; - } - - strcpy(atir_driver.name, "ATIR"); - atir_driver.minor = -1; - atir_driver.code_length = 8; - atir_driver.sample_rate = 10; - atir_driver.data = NULL; - atir_driver.add_to_buf = atir_add_to_buf; - atir_driver.set_use_inc = atir_set_use_inc; - atir_driver.set_use_dec = atir_set_use_dec; - atir_driver.dev = &pdev->dev; - atir_driver.owner = THIS_MODULE; - - atir_minor = lirc_register_driver(&atir_driver); - if (atir_minor < 0) { - pr_err("failed to register driver!\n"); - rc = atir_minor; - goto err_unmap; - } - dev_dbg(atir_driver.dev, "driver is registered on minor %d\n", - atir_minor); - - return 0; - -err_unmap: - iounmap(pci_addr_lin); -err_disable: - pci_disable_device(pdev); -err_put_dev: - pci_dev_put(pdev); - return rc; -} - -void cleanup_module(void) -{ - struct pci_dev *pdev = to_pci_dev(atir_driver.dev); - - lirc_unregister_driver(atir_minor); - iounmap(pci_addr_lin); - pci_disable_device(pdev); - pci_dev_put(pdev); -} - -static int atir_init_start(void) -{ - pci_addr_lin = ioremap(pci_addr_phys + DATA_PCI_OFF, 0x400); - if (!pci_addr_lin) { - pr_info("pci mem must be mapped\n"); - return 0; - } - return 1; -} - -static void cycle_delay(int cycle) -{ - udelay(WAIT_CYCLE * cycle); -} - -static int poll_main(void) -{ - unsigned char status_high, status_low; - - do_i2c_start(); - - seems_wr_byte(0xAA); - seems_wr_byte(0x01); - - do_i2c_start(); - - seems_wr_byte(0xAB); - - status_low = seems_rd_byte(); - status_high = seems_rd_byte(); - - do_i2c_stop(); - - return (status_high << 8) | status_low; -} - -static void do_i2c_start(void) -{ - do_set_bits(3); - cycle_delay(4); - - do_set_bits(1); - cycle_delay(7); - - do_set_bits(0); - cycle_delay(2); -} - -static void do_i2c_stop(void) -{ - unsigned char bits; - - bits = do_get_bits() & 0xFD; - do_set_bits(bits); - cycle_delay(1); - - bits |= 1; - do_set_bits(bits); - cycle_delay(2); - - bits |= 2; - do_set_bits(bits); - bits = 3; - do_set_bits(bits); - cycle_delay(2); -} - -static void seems_wr_byte(unsigned char value) -{ - int i; - unsigned char reg; - - reg = do_get_bits(); - for (i = 0; i < 8; i++) { - if (value & 0x80) - reg |= 0x02; - else - reg &= 0xFD; - - do_set_bits(reg); - cycle_delay(1); - - reg |= 1; - do_set_bits(reg); - cycle_delay(1); - - reg &= 0xFE; - do_set_bits(reg); - cycle_delay(1); - value <<= 1; - } - cycle_delay(2); - - reg |= 2; - do_set_bits(reg); - - reg |= 1; - do_set_bits(reg); - - cycle_delay(1); - do_get_bits(); - - reg &= 0xFE; - do_set_bits(reg); - cycle_delay(3); -} - -static unsigned char seems_rd_byte(void) -{ - int i; - int rd_byte; - unsigned char bits_2, bits_1; - - bits_1 = do_get_bits() | 2; - do_set_bits(bits_1); - - rd_byte = 0; - for (i = 0; i < 8; i++) { - bits_1 &= 0xFE; - do_set_bits(bits_1); - cycle_delay(2); - - bits_1 |= 1; - do_set_bits(bits_1); - cycle_delay(1); - - bits_2 = do_get_bits(); - if (bits_2 & 2) - rd_byte |= 1; - - rd_byte <<= 1; - } - - bits_1 = 0; - if (bits_2 == 0) - bits_1 |= 2; - - do_set_bits(bits_1); - cycle_delay(2); - - bits_1 |= 1; - do_set_bits(bits_1); - cycle_delay(3); - - bits_1 &= 0xFE; - do_set_bits(bits_1); - cycle_delay(2); - - rd_byte >>= 1; - rd_byte &= 0xFF; - return rd_byte; -} - -static void do_set_bits(unsigned char new_bits) -{ - int reg_val; - - reg_val = read_index(0x34); - if (new_bits & 2) { - reg_val &= 0xFFFFFFDF; - reg_val |= 1; - } else { - reg_val &= 0xFFFFFFFE; - reg_val |= 0x20; - } - reg_val |= 0x10; - write_index(0x34, reg_val); - - reg_val = read_index(0x31); - if (new_bits & 1) - reg_val |= 0x1000000; - else - reg_val &= 0xFEFFFFFF; - - reg_val |= 0x8000000; - write_index(0x31, reg_val); -} - -static unsigned char do_get_bits(void) -{ - unsigned char bits; - int reg_val; - - reg_val = read_index(0x34); - reg_val |= 0x10; - reg_val &= 0xFFFFFFDF; - write_index(0x34, reg_val); - - reg_val = read_index(0x34); - bits = 0; - if (reg_val & 8) - bits |= 2; - else - bits &= 0xFD; - - reg_val = read_index(0x31); - if (reg_val & 0x1000000) - bits |= 1; - else - bits &= 0xFE; - - return bits; -} - -static unsigned int read_index(unsigned char index) -{ - unsigned char __iomem *addr; - /* addr = pci_addr_lin + DATA_PCI_OFF + ((index & 0xFF) << 2); */ - addr = pci_addr_lin + ((index & 0xFF) << 2); - return readl(addr); -} - -static void write_index(unsigned char index, unsigned int reg_val) -{ - unsigned char __iomem *addr; - - addr = pci_addr_lin + ((index & 0xFF) << 2); - writel(reg_val, addr); -} - -MODULE_AUTHOR("Froenchenko Leonid"); -MODULE_DESCRIPTION("IR remote driver for bt829 based TV cards"); -MODULE_LICENSE("GPL"); - -module_param(debug, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Debug enabled or not"); diff --git a/drivers/staging/media/lirc/lirc_imon.c b/drivers/staging/media/lirc/lirc_imon.c deleted file mode 100644 index 1e650fba4a92..000000000000 --- a/drivers/staging/media/lirc/lirc_imon.c +++ /dev/null @@ -1,979 +0,0 @@ -/* - * lirc_imon.c: LIRC/VFD/LCD driver for SoundGraph iMON IR/VFD/LCD - * including the iMON PAD model - * - * Copyright(C) 2004 Venky Raju(dev@venky.ws) - * Copyright(C) 2009 Jarod Wilson <jarod@wilsonet.com> - * - * lirc_imon 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/errno.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#include <linux/usb.h> - -#include <media/lirc.h> -#include <media/lirc_dev.h> - -#define MOD_AUTHOR "Venky Raju <dev@venky.ws>" -#define MOD_DESC "Driver for SoundGraph iMON MultiMedia IR/Display" -#define MOD_NAME "lirc_imon" -#define MOD_VERSION "0.8" - -#define DISPLAY_MINOR_BASE 144 -#define DEVICE_NAME "lcd%d" - -#define BUF_CHUNK_SIZE 4 -#define BUF_SIZE 128 - -#define BIT_DURATION 250 /* each bit received is 250us */ - -/*** P R O T O T Y P E S ***/ - -/* USB Callback prototypes */ -static int imon_probe(struct usb_interface *interface, - const struct usb_device_id *id); -static void imon_disconnect(struct usb_interface *interface); -static void usb_rx_callback(struct urb *urb); -static void usb_tx_callback(struct urb *urb); - -/* suspend/resume support */ -static int imon_resume(struct usb_interface *intf); -static int imon_suspend(struct usb_interface *intf, pm_message_t message); - -/* Display file_operations function prototypes */ -static int display_open(struct inode *inode, struct file *file); -static int display_close(struct inode *inode, struct file *file); - -/* VFD write operation */ -static ssize_t vfd_write(struct file *file, const char __user *buf, - size_t n_bytes, loff_t *pos); - -/* LIRC driver function prototypes */ -static int ir_open(void *data); -static void ir_close(void *data); - -/*** G L O B A L S ***/ -#define IMON_DATA_BUF_SZ 35 - -struct imon_context { - struct usb_device *usbdev; - /* Newer devices have two interfaces */ - int display; /* not all controllers do */ - int display_isopen; /* display port has been opened */ - int ir_isopen; /* IR port open */ - int dev_present; /* USB device presence */ - struct mutex ctx_lock; /* to lock this object */ - wait_queue_head_t remove_ok; /* For unexpected USB disconnects */ - - int vfd_proto_6p; /* some VFD require a 6th packet */ - - struct lirc_driver *driver; - struct usb_endpoint_descriptor *rx_endpoint; - struct usb_endpoint_descriptor *tx_endpoint; - struct urb *rx_urb; - struct urb *tx_urb; - unsigned char usb_rx_buf[8]; - unsigned char usb_tx_buf[8]; - - struct rx_data { - int count; /* length of 0 or 1 sequence */ - int prev_bit; /* logic level of sequence */ - int initial_space; /* initial space flag */ - } rx; - - struct tx_t { - unsigned char data_buf[IMON_DATA_BUF_SZ]; /* user data buffer */ - struct completion finished; /* wait for write to finish */ - atomic_t busy; /* write in progress */ - int status; /* status of tx completion */ - } tx; -}; - -static const struct file_operations display_fops = { - .owner = THIS_MODULE, - .open = &display_open, - .write = &vfd_write, - .release = &display_close, - .llseek = noop_llseek, -}; - -/* - * USB Device ID for iMON USB Control Boards - * - * The Windows drivers contain 6 different inf files, more or less one for - * each new device until the 0x0034-0x0046 devices, which all use the same - * driver. Some of the devices in the 34-46 range haven't been definitively - * identified yet. Early devices have either a TriGem Computer, Inc. or a - * Samsung vendor ID (0x0aa8 and 0x04e8 respectively), while all later - * devices use the SoundGraph vendor ID (0x15c2). - */ -static struct usb_device_id imon_usb_id_table[] = { - /* TriGem iMON (IR only) -- TG_iMON.inf */ - { USB_DEVICE(0x0aa8, 0x8001) }, - - /* SoundGraph iMON (IR only) -- sg_imon.inf */ - { USB_DEVICE(0x04e8, 0xff30) }, - - /* SoundGraph iMON VFD (IR & VFD) -- iMON_VFD.inf */ - { USB_DEVICE(0x0aa8, 0xffda) }, - - /* SoundGraph iMON SS (IR & VFD) -- iMON_SS.inf */ - { USB_DEVICE(0x15c2, 0xffda) }, - - {} -}; - -/* Some iMON VFD models requires a 6th packet for VFD writes */ -static struct usb_device_id vfd_proto_6p_list[] = { - { USB_DEVICE(0x15c2, 0xffda) }, - {} -}; - -/* Some iMON devices have no lcd/vfd, don't set one up */ -static struct usb_device_id ir_only_list[] = { - { USB_DEVICE(0x0aa8, 0x8001) }, - { USB_DEVICE(0x04e8, 0xff30) }, - {} -}; - -/* USB Device data */ -static struct usb_driver imon_driver = { - .name = MOD_NAME, - .probe = imon_probe, - .disconnect = imon_disconnect, - .suspend = imon_suspend, - .resume = imon_resume, - .id_table = imon_usb_id_table, -}; - -static struct usb_class_driver imon_class = { - .name = DEVICE_NAME, - .fops = &display_fops, - .minor_base = DISPLAY_MINOR_BASE, -}; - -/* to prevent races between open() and disconnect(), probing, etc */ -static DEFINE_MUTEX(driver_lock); - -static int debug; - -/*** M O D U L E C O D E ***/ - -MODULE_AUTHOR(MOD_AUTHOR); -MODULE_DESCRIPTION(MOD_DESC); -MODULE_VERSION(MOD_VERSION); -MODULE_LICENSE("GPL"); -MODULE_DEVICE_TABLE(usb, imon_usb_id_table); -module_param(debug, int, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Debug messages: 0=no, 1=yes(default: no)"); - -static void free_imon_context(struct imon_context *context) -{ - struct device *dev = context->driver->dev; - - usb_free_urb(context->tx_urb); - usb_free_urb(context->rx_urb); - lirc_buffer_free(context->driver->rbuf); - kfree(context->driver->rbuf); - kfree(context->driver); - kfree(context); - - dev_dbg(dev, "%s: iMON context freed\n", __func__); -} - -static void deregister_from_lirc(struct imon_context *context) -{ - int retval; - int minor = context->driver->minor; - - retval = lirc_unregister_driver(minor); - if (retval) - dev_err(&context->usbdev->dev, - "unable to deregister from lirc(%d)", retval); - else - dev_info(&context->usbdev->dev, - "Deregistered iMON driver (minor:%d)\n", minor); -} - -/** - * Called when the Display device (e.g. /dev/lcd0) - * is opened by the application. - */ -static int display_open(struct inode *inode, struct file *file) -{ - struct usb_interface *interface; - struct imon_context *context = NULL; - int subminor; - int retval = 0; - - /* prevent races with disconnect */ - mutex_lock(&driver_lock); - - subminor = iminor(inode); - interface = usb_find_interface(&imon_driver, subminor); - if (!interface) { - pr_err("%s: could not find interface for minor %d\n", - __func__, subminor); - retval = -ENODEV; - goto exit; - } - context = usb_get_intfdata(interface); - - if (!context) { - dev_err(&interface->dev, "no context found for minor %d\n", - subminor); - retval = -ENODEV; - goto exit; - } - - mutex_lock(&context->ctx_lock); - - if (!context->display) { - dev_err(&interface->dev, - "%s: display not supported by device\n", __func__); - retval = -ENODEV; - } else if (context->display_isopen) { - dev_err(&interface->dev, - "%s: display port is already open\n", __func__); - retval = -EBUSY; - } else { - context->display_isopen = 1; - file->private_data = context; - dev_info(context->driver->dev, "display port opened\n"); - } - - mutex_unlock(&context->ctx_lock); - -exit: - mutex_unlock(&driver_lock); - return retval; -} - -/** - * Called when the display device (e.g. /dev/lcd0) - * is closed by the application. - */ -static int display_close(struct inode *inode, struct file *file) -{ - struct imon_context *context = NULL; - int retval = 0; - - context = file->private_data; - - if (!context) { - pr_err("%s: no context for device\n", __func__); - return -ENODEV; - } - - mutex_lock(&context->ctx_lock); - - if (!context->display) { - dev_err(&context->usbdev->dev, - "%s: display not supported by device\n", __func__); - retval = -ENODEV; - } else if (!context->display_isopen) { - dev_err(&context->usbdev->dev, - "%s: display is not open\n", __func__); - retval = -EIO; - } else { - context->display_isopen = 0; - dev_info(context->driver->dev, "display port closed\n"); - if (!context->dev_present && !context->ir_isopen) { - /* - * Device disconnected before close and IR port is not - * open. If IR port is open, context will be deleted by - * ir_close. - */ - mutex_unlock(&context->ctx_lock); - free_imon_context(context); - return retval; - } - } - - mutex_unlock(&context->ctx_lock); - return retval; -} - -/** - * Sends a packet to the device -- this function must be called - * with context->ctx_lock held. - */ -static int send_packet(struct imon_context *context) -{ - unsigned int pipe; - int interval = 0; - int retval = 0; - - /* Check if we need to use control or interrupt urb */ - pipe = usb_sndintpipe(context->usbdev, - context->tx_endpoint->bEndpointAddress); - interval = context->tx_endpoint->bInterval; - - usb_fill_int_urb(context->tx_urb, context->usbdev, pipe, - context->usb_tx_buf, - sizeof(context->usb_tx_buf), - usb_tx_callback, context, interval); - - context->tx_urb->actual_length = 0; - - reinit_completion(&context->tx.finished); - atomic_set(&context->tx.busy, 1); - - retval = usb_submit_urb(context->tx_urb, GFP_KERNEL); - if (retval) { - atomic_set(&context->tx.busy, 0); - dev_err(&context->usbdev->dev, "error submitting urb(%d)\n", - retval); - } else { - /* Wait for transmission to complete (or abort) */ - mutex_unlock(&context->ctx_lock); - retval = wait_for_completion_interruptible( - &context->tx.finished); - if (retval) - dev_err(&context->usbdev->dev, - "%s: task interrupted\n", __func__); - mutex_lock(&context->ctx_lock); - - retval = context->tx.status; - if (retval) - dev_err(&context->usbdev->dev, - "packet tx failed (%d)\n", retval); - } - - return retval; -} - -/** - * Writes data to the VFD. The iMON VFD is 2x16 characters - * and requires data in 5 consecutive USB interrupt packets, - * each packet but the last carrying 7 bytes. - * - * I don't know if the VFD board supports features such as - * scrolling, clearing rows, blanking, etc. so at - * the caller must provide a full screen of data. If fewer - * than 32 bytes are provided spaces will be appended to - * generate a full screen. - */ -static ssize_t vfd_write(struct file *file, const char __user *buf, - size_t n_bytes, loff_t *pos) -{ - int i; - int offset; - int seq; - int retval = 0; - struct imon_context *context; - const unsigned char vfd_packet6[] = { - 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF }; - int *data_buf = NULL; - - context = file->private_data; - if (!context) { - pr_err("%s: no context for device\n", __func__); - return -ENODEV; - } - - mutex_lock(&context->ctx_lock); - - if (!context->dev_present) { - dev_err(&context->usbdev->dev, - "%s: no iMON device present\n", __func__); - retval = -ENODEV; - goto exit; - } - - if (n_bytes <= 0 || n_bytes > IMON_DATA_BUF_SZ - 3) { - dev_err(&context->usbdev->dev, - "%s: invalid payload size\n", __func__); - retval = -EINVAL; - goto exit; - } - - data_buf = memdup_user(buf, n_bytes); - if (IS_ERR(data_buf)) { - mutex_unlock(&context->ctx_lock); - return PTR_ERR(data_buf); - } - - memcpy(context->tx.data_buf, data_buf, n_bytes); - - /* Pad with spaces */ - for (i = n_bytes; i < IMON_DATA_BUF_SZ - 3; ++i) - context->tx.data_buf[i] = ' '; - - for (i = IMON_DATA_BUF_SZ - 3; i < IMON_DATA_BUF_SZ; ++i) - context->tx.data_buf[i] = 0xFF; - - offset = 0; - seq = 0; - - do { - memcpy(context->usb_tx_buf, context->tx.data_buf + offset, 7); - context->usb_tx_buf[7] = (unsigned char)seq; - - retval = send_packet(context); - if (retval) { - dev_err(&context->usbdev->dev, - "send packet failed for packet #%d\n", - seq / 2); - goto exit; - } else { - seq += 2; - offset += 7; - } - - } while (offset < IMON_DATA_BUF_SZ); - - if (context->vfd_proto_6p) { - /* Send packet #6 */ - memcpy(context->usb_tx_buf, &vfd_packet6, sizeof(vfd_packet6)); - context->usb_tx_buf[7] = (unsigned char)seq; - retval = send_packet(context); - if (retval) - dev_err(&context->usbdev->dev, - "send packet failed for packet #%d\n", - seq / 2); - } - -exit: - mutex_unlock(&context->ctx_lock); - kfree(data_buf); - - return (!retval) ? n_bytes : retval; -} - -/** - * Callback function for USB core API: transmit data - */ -static void usb_tx_callback(struct urb *urb) -{ - struct imon_context *context; - - if (!urb) - return; - context = (struct imon_context *)urb->context; - if (!context) - return; - - context->tx.status = urb->status; - - /* notify waiters that write has finished */ - atomic_set(&context->tx.busy, 0); - complete(&context->tx.finished); -} - -/** - * Called by lirc_dev when the application opens /dev/lirc - */ -static int ir_open(void *data) -{ - struct imon_context *context; - - /* prevent races with disconnect */ - mutex_lock(&driver_lock); - - context = data; - - /* initial IR protocol decode variables */ - context->rx.count = 0; - context->rx.initial_space = 1; - context->rx.prev_bit = 0; - - init_completion(&context->tx.finished); - - context->ir_isopen = 1; - dev_info(context->driver->dev, "IR port opened\n"); - - mutex_unlock(&driver_lock); - return 0; -} - -/** - * Called by lirc_dev when the application closes /dev/lirc - */ -static void ir_close(void *data) -{ - struct imon_context *context; - - context = data; - if (!context) { - pr_err("%s: no context for device\n", __func__); - return; - } - - mutex_lock(&context->ctx_lock); - - context->ir_isopen = 0; - dev_info(context->driver->dev, "IR port closed\n"); - - if (!context->dev_present) { - /* - * Device disconnected while IR port was still open. Driver - * was not deregistered at disconnect time, so do it now. - */ - deregister_from_lirc(context); - - if (!context->display_isopen) { - mutex_unlock(&context->ctx_lock); - free_imon_context(context); - return; - } - /* - * If display port is open, context will be deleted by - * display_close - */ - } - - mutex_unlock(&context->ctx_lock); -} - -/** - * Convert bit count to time duration (in us) and submit - * the value to lirc_dev. - */ -static void submit_data(struct imon_context *context) -{ - unsigned char buf[4]; - int value = context->rx.count; - int i; - - dev_dbg(context->driver->dev, "submitting data to LIRC\n"); - - value *= BIT_DURATION; - value &= PULSE_MASK; - if (context->rx.prev_bit) - value |= PULSE_BIT; - - for (i = 0; i < 4; ++i) - buf[i] = value >> (i * 8); - - lirc_buffer_write(context->driver->rbuf, buf); - wake_up(&context->driver->rbuf->wait_poll); -} - -/** - * Process the incoming packet - */ -static void imon_incoming_packet(struct imon_context *context, - struct urb *urb, int intf) -{ - int len = urb->actual_length; - unsigned char *buf = urb->transfer_buffer; - struct device *dev = context->driver->dev; - int octet, bit; - unsigned char mask; - - /* - * just bail out if no listening IR client - */ - if (!context->ir_isopen) - return; - - if (len != 8) { - dev_warn(dev, "imon %s: invalid incoming packet size (len = %d, intf%d)\n", - __func__, len, intf); - return; - } - - if (debug) - dev_info(dev, "raw packet: %*ph\n", len, buf); - /* - * Translate received data to pulse and space lengths. - * Received data is active low, i.e. pulses are 0 and - * spaces are 1. - * - * My original algorithm was essentially similar to - * Changwoo Ryu's with the exception that he switched - * the incoming bits to active high and also fed an - * initial space to LIRC at the start of a new sequence - * if the previous bit was a pulse. - * - * I've decided to adopt his algorithm. - */ - - if (buf[7] == 1 && context->rx.initial_space) { - /* LIRC requires a leading space */ - context->rx.prev_bit = 0; - context->rx.count = 4; - submit_data(context); - context->rx.count = 0; - } - - for (octet = 0; octet < 5; ++octet) { - mask = 0x80; - for (bit = 0; bit < 8; ++bit) { - int curr_bit = !(buf[octet] & mask); - - if (curr_bit != context->rx.prev_bit) { - if (context->rx.count) { - submit_data(context); - context->rx.count = 0; - } - context->rx.prev_bit = curr_bit; - } - ++context->rx.count; - mask >>= 1; - } - } - - if (buf[7] == 10) { - if (context->rx.count) { - submit_data(context); - context->rx.count = 0; - } - context->rx.initial_space = context->rx.prev_bit; - } -} - -/** - * Callback function for USB core API: receive data - */ -static void usb_rx_callback(struct urb *urb) -{ - struct imon_context *context; - int intfnum = 0; - - if (!urb) - return; - - context = (struct imon_context *)urb->context; - if (!context) - return; - - switch (urb->status) { - case -ENOENT: /* usbcore unlink successful! */ - return; - - case 0: - imon_incoming_packet(context, urb, intfnum); - break; - - default: - dev_warn(context->driver->dev, "imon %s: status(%d): ignored\n", - __func__, urb->status); - break; - } - - usb_submit_urb(context->rx_urb, GFP_ATOMIC); -} - -/** - * Callback function for USB core API: Probe - */ -static int imon_probe(struct usb_interface *interface, - const struct usb_device_id *id) -{ - struct usb_device *usbdev = NULL; - struct usb_host_interface *iface_desc = NULL; - struct usb_endpoint_descriptor *rx_endpoint = NULL; - struct usb_endpoint_descriptor *tx_endpoint = NULL; - struct urb *rx_urb = NULL; - struct urb *tx_urb = NULL; - struct lirc_driver *driver = NULL; - struct lirc_buffer *rbuf = NULL; - struct device *dev = &interface->dev; - int ifnum; - int lirc_minor = 0; - int num_endpts; - int retval = -ENOMEM; - int display_ep_found = 0; - int ir_ep_found = 0; - int vfd_proto_6p = 0; - struct imon_context *context = NULL; - int i; - u16 vendor, product; - - /* prevent races probing devices w/multiple interfaces */ - mutex_lock(&driver_lock); - - context = kzalloc(sizeof(*context), GFP_KERNEL); - if (!context) - goto driver_unlock; - - /* - * Try to auto-detect the type of display if the user hasn't set - * it by hand via the display_type modparam. Default is VFD. - */ - if (usb_match_id(interface, ir_only_list)) - context->display = 0; - else - context->display = 1; - - usbdev = usb_get_dev(interface_to_usbdev(interface)); - iface_desc = interface->cur_altsetting; - num_endpts = iface_desc->desc.bNumEndpoints; - ifnum = iface_desc->desc.bInterfaceNumber; - vendor = le16_to_cpu(usbdev->descriptor.idVendor); - product = le16_to_cpu(usbdev->descriptor.idProduct); - - dev_dbg(dev, "%s: found iMON device (%04x:%04x, intf%d)\n", - __func__, vendor, product, ifnum); - - /* - * Scan the endpoint list and set: - * first input endpoint = IR endpoint - * first output endpoint = display endpoint - */ - for (i = 0; i < num_endpts && !(ir_ep_found && display_ep_found); ++i) { - struct usb_endpoint_descriptor *ep; - int ep_dir; - int ep_type; - - ep = &iface_desc->endpoint[i].desc; - ep_dir = ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK; - ep_type = usb_endpoint_type(ep); - - if (!ir_ep_found && - ep_dir == USB_DIR_IN && - ep_type == USB_ENDPOINT_XFER_INT) { - - rx_endpoint = ep; - ir_ep_found = 1; - dev_dbg(dev, "%s: found IR endpoint\n", __func__); - - } else if (!display_ep_found && ep_dir == USB_DIR_OUT && - ep_type == USB_ENDPOINT_XFER_INT) { - tx_endpoint = ep; - display_ep_found = 1; - dev_dbg(dev, "%s: found display endpoint\n", __func__); - } - } - - /* - * Some iMON receivers have no display. Unfortunately, it seems - * that SoundGraph recycles device IDs between devices both with - * and without... :\ - */ - if (context->display == 0) { - display_ep_found = 0; - dev_dbg(dev, "%s: device has no display\n", __func__); - } - - /* Input endpoint is mandatory */ - if (!ir_ep_found) { - dev_err(dev, "%s: no valid input (IR) endpoint found.\n", - __func__); - retval = -ENODEV; - goto free_context; - } - - /* Determine if display requires 6 packets */ - if (display_ep_found) { - if (usb_match_id(interface, vfd_proto_6p_list)) - vfd_proto_6p = 1; - - dev_dbg(dev, "%s: vfd_proto_6p: %d\n", - __func__, vfd_proto_6p); - } - - driver = kzalloc(sizeof(*driver), GFP_KERNEL); - if (!driver) - goto free_context; - - rbuf = kmalloc(sizeof(*rbuf), GFP_KERNEL); - if (!rbuf) - goto free_driver; - - if (lirc_buffer_init(rbuf, BUF_CHUNK_SIZE, BUF_SIZE)) { - dev_err(dev, "%s: lirc_buffer_init failed\n", __func__); - goto free_rbuf; - } - rx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!rx_urb) - goto free_lirc_buf; - tx_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!tx_urb) - goto free_rx_urb; - - mutex_init(&context->ctx_lock); - context->vfd_proto_6p = vfd_proto_6p; - - strcpy(driver->name, MOD_NAME); - driver->minor = -1; - driver->code_length = BUF_CHUNK_SIZE * 8; - driver->sample_rate = 0; - driver->features = LIRC_CAN_REC_MODE2; - driver->data = context; - driver->rbuf = rbuf; - driver->set_use_inc = ir_open; - driver->set_use_dec = ir_close; - driver->dev = &interface->dev; - driver->owner = THIS_MODULE; - - mutex_lock(&context->ctx_lock); - - context->driver = driver; - /* start out in keyboard mode */ - - lirc_minor = lirc_register_driver(driver); - if (lirc_minor < 0) { - dev_err(dev, "%s: lirc_register_driver failed\n", __func__); - goto free_tx_urb; - } - - dev_info(dev, "Registered iMON driver (lirc minor: %d)\n", - lirc_minor); - - /* Needed while unregistering! */ - driver->minor = lirc_minor; - - context->usbdev = usbdev; - context->dev_present = 1; - context->rx_endpoint = rx_endpoint; - context->rx_urb = rx_urb; - - /* - * tx is used to send characters to lcd/vfd, associate RF - * remotes, set IR protocol, and maybe more... - */ - context->tx_endpoint = tx_endpoint; - context->tx_urb = tx_urb; - - if (display_ep_found) - context->display = 1; - - usb_fill_int_urb(context->rx_urb, context->usbdev, - usb_rcvintpipe(context->usbdev, - context->rx_endpoint->bEndpointAddress), - context->usb_rx_buf, sizeof(context->usb_rx_buf), - usb_rx_callback, context, - context->rx_endpoint->bInterval); - - retval = usb_submit_urb(context->rx_urb, GFP_KERNEL); - if (retval) { - dev_err(dev, "usb_submit_urb failed for intf0 (%d)\n", retval); - goto unregister_lirc; - } - - usb_set_intfdata(interface, context); - - if (context->display && ifnum == 0) { - dev_dbg(dev, "%s: Registering iMON display with sysfs\n", - __func__); - - if (usb_register_dev(interface, &imon_class)) { - /* Not a fatal error, so ignore */ - dev_info(dev, "%s: could not get a minor number for display\n", - __func__); - } - } - - dev_info(dev, "iMON device (%04x:%04x, intf%d) on usb<%d:%d> initialized\n", - vendor, product, ifnum, usbdev->bus->busnum, usbdev->devnum); - - /* Everything went fine. Just unlock and return retval (with is 0) */ - mutex_unlock(&context->ctx_lock); - goto driver_unlock; - -unregister_lirc: - lirc_unregister_driver(driver->minor); - -free_tx_urb: - mutex_unlock(&context->ctx_lock); - usb_free_urb(tx_urb); - -free_rx_urb: - usb_free_urb(rx_urb); - -free_lirc_buf: - lirc_buffer_free(rbuf); - -free_rbuf: - kfree(rbuf); - -free_driver: - kfree(driver); -free_context: - kfree(context); - context = NULL; - -driver_unlock: - mutex_unlock(&driver_lock); - - return retval; -} - -/** - * Callback function for USB core API: disconnect - */ -static void imon_disconnect(struct usb_interface *interface) -{ - struct imon_context *context; - int ifnum; - - /* prevent races with ir_open()/display_open() */ - mutex_lock(&driver_lock); - - context = usb_get_intfdata(interface); - ifnum = interface->cur_altsetting->desc.bInterfaceNumber; - - mutex_lock(&context->ctx_lock); - - usb_set_intfdata(interface, NULL); - - /* Abort ongoing write */ - if (atomic_read(&context->tx.busy)) { - usb_kill_urb(context->tx_urb); - complete(&context->tx.finished); - } - - context->dev_present = 0; - usb_kill_urb(context->rx_urb); - if (context->display) - usb_deregister_dev(interface, &imon_class); - - if (!context->ir_isopen && !context->dev_present) { - deregister_from_lirc(context); - mutex_unlock(&context->ctx_lock); - if (!context->display_isopen) - free_imon_context(context); - } else - mutex_unlock(&context->ctx_lock); - - mutex_unlock(&driver_lock); - - dev_info(&interface->dev, "%s: iMON device (intf%d) disconnected\n", - __func__, ifnum); -} - -static int imon_suspend(struct usb_interface *intf, pm_message_t message) -{ - struct imon_context *context = usb_get_intfdata(intf); - - usb_kill_urb(context->rx_urb); - - return 0; -} - -static int imon_resume(struct usb_interface *intf) -{ - struct imon_context *context = usb_get_intfdata(intf); - - usb_fill_int_urb(context->rx_urb, context->usbdev, - usb_rcvintpipe(context->usbdev, - context->rx_endpoint->bEndpointAddress), - context->usb_rx_buf, sizeof(context->usb_rx_buf), - usb_rx_callback, context, - context->rx_endpoint->bInterval); - - return usb_submit_urb(context->rx_urb, GFP_ATOMIC); -} - -module_usb_driver(imon_driver); diff --git a/drivers/staging/media/lirc/lirc_parallel.c b/drivers/staging/media/lirc/lirc_parallel.c deleted file mode 100644 index 0a43bac2b162..000000000000 --- a/drivers/staging/media/lirc/lirc_parallel.c +++ /dev/null @@ -1,772 +0,0 @@ -/* - * lirc_parallel.c - * - * lirc_parallel - device driver for infra-red signal receiving and - * transmitting unit built by the author - * - * Copyright (C) 1998 Christoph Bartelmus <lirc@bartelmus.de> - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -/*** Includes ***/ - -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/errno.h> -#include <linux/signal.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/ktime.h> -#include <linux/mm.h> -#include <linux/delay.h> - -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/uaccess.h> -#include <asm/div64.h> - -#include <linux/poll.h> -#include <linux/parport.h> -#include <linux/platform_device.h> - -#include <media/lirc.h> -#include <media/lirc_dev.h> - -#include "lirc_parallel.h" - -#define LIRC_DRIVER_NAME "lirc_parallel" - -#ifndef LIRC_IRQ -#define LIRC_IRQ 7 -#endif -#ifndef LIRC_PORT -#define LIRC_PORT 0x378 -#endif -#ifndef LIRC_TIMER -#define LIRC_TIMER 65536 -#endif - -/*** Global Variables ***/ - -static bool debug; -static bool check_pselecd; - -static unsigned int irq = LIRC_IRQ; -static unsigned int io = LIRC_PORT; -#ifdef LIRC_TIMER -static unsigned int timer; -static unsigned int default_timer = LIRC_TIMER; -#endif - -#define RBUF_SIZE (256) /* this must be a power of 2 larger than 1 */ - -static int rbuf[RBUF_SIZE]; - -static DECLARE_WAIT_QUEUE_HEAD(lirc_wait); - -static unsigned int rptr; -static unsigned int wptr; -static unsigned int lost_irqs; -static int is_open; - -static struct parport *pport; -static struct pardevice *ppdevice; -static int is_claimed; - -static unsigned int tx_mask = 1; - -/*** Internal Functions ***/ - -static unsigned int in(int offset) -{ - switch (offset) { - case LIRC_LP_BASE: - return parport_read_data(pport); - case LIRC_LP_STATUS: - return parport_read_status(pport); - case LIRC_LP_CONTROL: - return parport_read_control(pport); - } - return 0; /* make compiler happy */ -} - -static void out(int offset, int value) -{ - switch (offset) { - case LIRC_LP_BASE: - parport_write_data(pport, value); - break; - case LIRC_LP_CONTROL: - parport_write_control(pport, value); - break; - case LIRC_LP_STATUS: - pr_info("attempt to write to status register\n"); - break; - } -} - -static unsigned int lirc_get_timer(void) -{ - return in(LIRC_PORT_TIMER) & LIRC_PORT_TIMER_BIT; -} - -static unsigned int lirc_get_signal(void) -{ - return in(LIRC_PORT_SIGNAL) & LIRC_PORT_SIGNAL_BIT; -} - -static void lirc_on(void) -{ - out(LIRC_PORT_DATA, tx_mask); -} - -static void lirc_off(void) -{ - out(LIRC_PORT_DATA, 0); -} - -static unsigned int init_lirc_timer(void) -{ - ktime_t kt, now, timeout; - unsigned int level, newlevel, timeelapsed, newtimer; - int count = 0; - - kt = ktime_get(); - /* wait max. 1 sec. */ - timeout = ktime_add_ns(kt, NSEC_PER_SEC); - level = lirc_get_timer(); - do { - newlevel = lirc_get_timer(); - if (level == 0 && newlevel != 0) - count++; - level = newlevel; - now = ktime_get(); - } while (count < 1000 && (ktime_before(now, timeout))); - timeelapsed = ktime_us_delta(now, kt); - if (count >= 1000 && timeelapsed > 0) { - if (default_timer == 0) { - /* autodetect timer */ - newtimer = (1000000 * count) / timeelapsed; - pr_info("%u Hz timer detected\n", newtimer); - return newtimer; - } - newtimer = (1000000 * count) / timeelapsed; - if (abs(newtimer - default_timer) > default_timer / 10) { - /* bad timer */ - pr_notice("bad timer: %u Hz\n", newtimer); - pr_notice("using default timer: %u Hz\n", - default_timer); - return default_timer; - } - pr_info("%u Hz timer detected\n", newtimer); - return newtimer; /* use detected value */ - } - - pr_notice("no timer detected\n"); - return 0; -} - -static int lirc_claim(void) -{ - if (parport_claim(ppdevice) != 0) { - pr_warn("could not claim port\n"); - pr_warn("waiting for port becoming available\n"); - if (parport_claim_or_block(ppdevice) < 0) { - pr_notice("could not claim port, giving up\n"); - return 0; - } - } - out(LIRC_LP_CONTROL, LP_PSELECP | LP_PINITP); - is_claimed = 1; - return 1; -} - -/*** interrupt handler ***/ - -static void rbuf_write(int signal) -{ - unsigned int nwptr; - - nwptr = (wptr + 1) & (RBUF_SIZE - 1); - if (nwptr == rptr) { - /* no new signals will be accepted */ - lost_irqs++; - pr_notice("buffer overrun\n"); - return; - } - rbuf[wptr] = signal; - wptr = nwptr; -} - -static void lirc_lirc_irq_handler(void *blah) -{ - ktime_t kt, delkt; - static ktime_t lastkt; - static int init; - long signal; - int data; - unsigned int level, newlevel; - unsigned int timeout; - - if (!is_open) - return; - - if (!is_claimed) - return; - -#if 0 - /* disable interrupt */ - disable_irq(irq); - out(LIRC_PORT_IRQ, in(LIRC_PORT_IRQ) & (~LP_PINTEN)); -#endif - if (check_pselecd && (in(1) & LP_PSELECD)) - return; - -#ifdef LIRC_TIMER - if (init) { - kt = ktime_get(); - - delkt = ktime_sub(kt, lastkt); - if (ktime_compare(delkt, ktime_set(15, 0)) > 0) - /* really long time */ - data = PULSE_MASK; - else - data = (int)(ktime_to_us(delkt) + LIRC_SFH506_DELAY); - - rbuf_write(data); /* space */ - } else { - if (timer == 0) { - /* - * wake up; we'll lose this signal, but it will be - * garbage if the device is turned on anyway - */ - timer = init_lirc_timer(); - /* enable_irq(irq); */ - return; - } - init = 1; - } - - timeout = timer / 10; /* timeout after 1/10 sec. */ - signal = 1; - level = lirc_get_timer(); - do { - newlevel = lirc_get_timer(); - if (level == 0 && newlevel != 0) - signal++; - level = newlevel; - - /* giving up */ - if (signal > timeout - || (check_pselecd && (in(1) & LP_PSELECD))) { - signal = 0; - pr_notice("timeout\n"); - break; - } - } while (lirc_get_signal()); - - if (signal != 0) { - /* adjust value to usecs */ - __u64 helper; - - helper = ((__u64)signal) * 1000000; - do_div(helper, timer); - signal = (long)helper; - - if (signal > LIRC_SFH506_DELAY) - data = signal - LIRC_SFH506_DELAY; - else - data = 1; - rbuf_write(PULSE_BIT | data); /* pulse */ - } - lastkt = ktime_get(); -#else - /* add your code here */ -#endif - - wake_up_interruptible(&lirc_wait); - - /* enable interrupt */ - /* - * enable_irq(irq); - * out(LIRC_PORT_IRQ, in(LIRC_PORT_IRQ)|LP_PINTEN); - */ -} - -/*** file operations ***/ - -static loff_t lirc_lseek(struct file *filep, loff_t offset, int orig) -{ - return -ESPIPE; -} - -static ssize_t lirc_read(struct file *filep, char __user *buf, size_t n, - loff_t *ppos) -{ - int result = 0; - int count = 0; - DECLARE_WAITQUEUE(wait, current); - - if (n % sizeof(int)) - return -EINVAL; - - add_wait_queue(&lirc_wait, &wait); - set_current_state(TASK_INTERRUPTIBLE); - while (count < n) { - if (rptr != wptr) { - if (copy_to_user(buf + count, &rbuf[rptr], - sizeof(int))) { - result = -EFAULT; - break; - } - rptr = (rptr + 1) & (RBUF_SIZE - 1); - count += sizeof(int); - } else { - if (filep->f_flags & O_NONBLOCK) { - result = -EAGAIN; - break; - } - if (signal_pending(current)) { - result = -ERESTARTSYS; - break; - } - schedule(); - set_current_state(TASK_INTERRUPTIBLE); - } - } - remove_wait_queue(&lirc_wait, &wait); - set_current_state(TASK_RUNNING); - return count ? count : result; -} - -static ssize_t lirc_write(struct file *filep, const char __user *buf, size_t n, - loff_t *ppos) -{ - int count; - unsigned int i; - unsigned int level, newlevel; - unsigned long flags; - int counttimer; - int *wbuf; - ssize_t ret; - - if (!is_claimed) - return -EBUSY; - - count = n / sizeof(int); - - if (n % sizeof(int) || count % 2 == 0) - return -EINVAL; - - wbuf = memdup_user(buf, n); - if (IS_ERR(wbuf)) - return PTR_ERR(wbuf); - -#ifdef LIRC_TIMER - if (timer == 0) { - /* try again if device is ready */ - timer = init_lirc_timer(); - if (timer == 0) { - ret = -EIO; - goto out; - } - } - - /* adjust values from usecs */ - for (i = 0; i < count; i++) { - __u64 helper; - - helper = ((__u64)wbuf[i]) * timer; - do_div(helper, 1000000); - wbuf[i] = (int)helper; - } - - local_irq_save(flags); - i = 0; - while (i < count) { - level = lirc_get_timer(); - counttimer = 0; - lirc_on(); - do { - newlevel = lirc_get_timer(); - if (level == 0 && newlevel != 0) - counttimer++; - level = newlevel; - if (check_pselecd && (in(1) & LP_PSELECD)) { - lirc_off(); - local_irq_restore(flags); - ret = -EIO; - goto out; - } - } while (counttimer < wbuf[i]); - i++; - - lirc_off(); - if (i == count) - break; - counttimer = 0; - do { - newlevel = lirc_get_timer(); - if (level == 0 && newlevel != 0) - counttimer++; - level = newlevel; - if (check_pselecd && (in(1) & LP_PSELECD)) { - local_irq_restore(flags); - ret = -EIO; - goto out; - } - } while (counttimer < wbuf[i]); - i++; - } - local_irq_restore(flags); -#else - /* place code that handles write without external timer here */ -#endif - ret = n; -out: - kfree(wbuf); - - return ret; -} - -static unsigned int lirc_poll(struct file *file, poll_table *wait) -{ - poll_wait(file, &lirc_wait, wait); - if (rptr != wptr) - return POLLIN | POLLRDNORM; - return 0; -} - -static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) -{ - int result; - u32 __user *uptr = (u32 __user *)arg; - u32 features = LIRC_CAN_SET_TRANSMITTER_MASK | - LIRC_CAN_SEND_PULSE | LIRC_CAN_REC_MODE2; - u32 mode; - u32 value; - - switch (cmd) { - case LIRC_GET_FEATURES: - result = put_user(features, uptr); - if (result) - return result; - break; - case LIRC_GET_SEND_MODE: - result = put_user(LIRC_MODE_PULSE, uptr); - if (result) - return result; - break; - case LIRC_GET_REC_MODE: - result = put_user(LIRC_MODE_MODE2, uptr); - if (result) - return result; - break; - case LIRC_SET_SEND_MODE: - result = get_user(mode, uptr); - if (result) - return result; - if (mode != LIRC_MODE_PULSE) - return -EINVAL; - break; - case LIRC_SET_REC_MODE: - result = get_user(mode, uptr); - if (result) - return result; - if (mode != LIRC_MODE_MODE2) - return -ENOSYS; - break; - case LIRC_SET_TRANSMITTER_MASK: - result = get_user(value, uptr); - if (result) - return result; - if ((value & LIRC_PARALLEL_TRANSMITTER_MASK) != value) - return LIRC_PARALLEL_MAX_TRANSMITTERS; - tx_mask = value; - break; - default: - return -ENOIOCTLCMD; - } - return 0; -} - -static int lirc_open(struct inode *node, struct file *filep) -{ - if (is_open || !lirc_claim()) - return -EBUSY; - - parport_enable_irq(pport); - - /* init read ptr */ - rptr = 0; - wptr = 0; - lost_irqs = 0; - - is_open = 1; - return 0; -} - -static int lirc_close(struct inode *node, struct file *filep) -{ - if (is_claimed) { - is_claimed = 0; - parport_release(ppdevice); - } - is_open = 0; - return 0; -} - -static const struct file_operations lirc_fops = { - .owner = THIS_MODULE, - .llseek = lirc_lseek, - .read = lirc_read, - .write = lirc_write, - .poll = lirc_poll, - .unlocked_ioctl = lirc_ioctl, -#ifdef CONFIG_COMPAT - .compat_ioctl = lirc_ioctl, -#endif - .open = lirc_open, - .release = lirc_close -}; - -static int set_use_inc(void *data) -{ - return 0; -} - -static void set_use_dec(void *data) -{ -} - -static struct lirc_driver driver = { - .name = LIRC_DRIVER_NAME, - .minor = -1, - .code_length = 1, - .sample_rate = 0, - .data = NULL, - .add_to_buf = NULL, - .set_use_inc = set_use_inc, - .set_use_dec = set_use_dec, - .fops = &lirc_fops, - .dev = NULL, - .owner = THIS_MODULE, -}; - -static struct platform_device *lirc_parallel_dev; - -static int lirc_parallel_probe(struct platform_device *dev) -{ - return 0; -} - -static int lirc_parallel_remove(struct platform_device *dev) -{ - return 0; -} - -static int lirc_parallel_suspend(struct platform_device *dev, - pm_message_t state) -{ - return 0; -} - -static int lirc_parallel_resume(struct platform_device *dev) -{ - return 0; -} - -static struct platform_driver lirc_parallel_driver = { - .probe = lirc_parallel_probe, - .remove = lirc_parallel_remove, - .suspend = lirc_parallel_suspend, - .resume = lirc_parallel_resume, - .driver = { - .name = LIRC_DRIVER_NAME, - }, -}; - -static int pf(void *handle) -{ - parport_disable_irq(pport); - is_claimed = 0; - return 0; -} - -static void kf(void *handle) -{ - if (!is_open) - return; - if (!lirc_claim()) - return; - parport_enable_irq(pport); - lirc_off(); - /* this is a bit annoying when you actually print...*/ - /* - * printk(KERN_INFO "%s: reclaimed port\n", LIRC_DRIVER_NAME); - */ -} - -/*** module initialization and cleanup ***/ - -static void lirc_parallel_attach(struct parport *port) -{ - struct pardev_cb lirc_parallel_cb; - - if (port->base != io) - return; - - pport = port; - memset(&lirc_parallel_cb, 0, sizeof(lirc_parallel_cb)); - lirc_parallel_cb.preempt = pf; - lirc_parallel_cb.wakeup = kf; - lirc_parallel_cb.irq_func = lirc_lirc_irq_handler; - - ppdevice = parport_register_dev_model(port, LIRC_DRIVER_NAME, - &lirc_parallel_cb, 0); - if (!ppdevice) { - pr_notice("parport_register_device() failed\n"); - return; - } - - if (parport_claim(ppdevice) != 0) - goto skip_init; - is_claimed = 1; - out(LIRC_LP_CONTROL, LP_PSELECP | LP_PINITP); - -#ifdef LIRC_TIMER - if (debug) - out(LIRC_PORT_DATA, tx_mask); - - timer = init_lirc_timer(); - -#if 0 /* continue even if device is offline */ - if (timer == 0) { - is_claimed = 0; - parport_release(pport); - parport_unregister_device(ppdevice); - result = -EIO; - goto exit_device_del; - } - -#endif - if (debug) - out(LIRC_PORT_DATA, 0); -#endif - - is_claimed = 0; - parport_release(ppdevice); - - skip_init: - return; -} - -static void lirc_parallel_detach(struct parport *port) -{ - if (port->base != io) - return; - - parport_unregister_device(ppdevice); -} - -static struct parport_driver lirc_parport_driver = { - .name = LIRC_DRIVER_NAME, - .match_port = lirc_parallel_attach, - .detach = lirc_parallel_detach, - .devmodel = true, -}; - -static int __init lirc_parallel_init(void) -{ - int result; - - result = platform_driver_register(&lirc_parallel_driver); - if (result) { - pr_notice("platform_driver_register returned %d\n", result); - return result; - } - - lirc_parallel_dev = platform_device_alloc(LIRC_DRIVER_NAME, 0); - if (!lirc_parallel_dev) { - result = -ENOMEM; - goto exit_driver_unregister; - } - - result = platform_device_add(lirc_parallel_dev); - if (result) - goto exit_device_put; - - result = parport_register_driver(&lirc_parport_driver); - if (result) { - pr_notice("parport_register_driver returned %d\n", result); - goto exit_device_del; - } - - driver.dev = &lirc_parallel_dev->dev; - driver.minor = lirc_register_driver(&driver); - if (driver.minor < 0) { - pr_notice("register_chrdev() failed\n"); - result = -EIO; - goto exit_unregister; - } - pr_info("installed using port 0x%04x irq %d\n", io, irq); - return 0; - -exit_unregister: - parport_unregister_driver(&lirc_parport_driver); -exit_device_del: - platform_device_del(lirc_parallel_dev); -exit_device_put: - platform_device_put(lirc_parallel_dev); -exit_driver_unregister: - platform_driver_unregister(&lirc_parallel_driver); - return result; -} - -static void __exit lirc_parallel_exit(void) -{ - lirc_unregister_driver(driver.minor); - - parport_unregister_driver(&lirc_parport_driver); - platform_device_unregister(lirc_parallel_dev); - platform_driver_unregister(&lirc_parallel_driver); -} - -module_init(lirc_parallel_init); -module_exit(lirc_parallel_exit); - -MODULE_DESCRIPTION("Infrared receiver driver for parallel ports."); -MODULE_AUTHOR("Christoph Bartelmus"); -MODULE_LICENSE("GPL"); - -module_param(io, int, S_IRUGO); -MODULE_PARM_DESC(io, "I/O address base (0x3bc, 0x378 or 0x278)"); - -module_param(irq, int, S_IRUGO); -MODULE_PARM_DESC(irq, "Interrupt (7 or 5)"); - -module_param(tx_mask, int, S_IRUGO); -MODULE_PARM_DESC(tx_mask, "Transmitter mask (default: 0x01)"); - -module_param(debug, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(debug, "Enable debugging messages"); - -module_param(check_pselecd, bool, S_IRUGO | S_IWUSR); -MODULE_PARM_DESC(check_pselecd, "Check for printer (default: 0)"); diff --git a/drivers/staging/media/lirc/lirc_parallel.h b/drivers/staging/media/lirc/lirc_parallel.h deleted file mode 100644 index 4bed6afe0632..000000000000 --- a/drivers/staging/media/lirc/lirc_parallel.h +++ /dev/null @@ -1,26 +0,0 @@ -/* lirc_parallel.h */ - -#ifndef _LIRC_PARALLEL_H -#define _LIRC_PARALLEL_H - -#include <linux/lp.h> - -#define LIRC_PORT_LEN 3 - -#define LIRC_LP_BASE 0 -#define LIRC_LP_STATUS 1 -#define LIRC_LP_CONTROL 2 - -#define LIRC_PORT_DATA LIRC_LP_BASE /* base */ -#define LIRC_PORT_TIMER LIRC_LP_STATUS /* status port */ -#define LIRC_PORT_TIMER_BIT LP_PBUSY /* busy signal */ -#define LIRC_PORT_SIGNAL LIRC_LP_STATUS /* status port */ -#define LIRC_PORT_SIGNAL_BIT LP_PACK /* ack signal */ -#define LIRC_PORT_IRQ LIRC_LP_CONTROL /* control port */ - -#define LIRC_SFH506_DELAY 0 /* delay t_phl in usecs */ - -#define LIRC_PARALLEL_MAX_TRANSMITTERS 8 -#define LIRC_PARALLEL_TRANSMITTER_MASK ((1<<LIRC_PARALLEL_MAX_TRANSMITTERS) - 1) - -#endif diff --git a/drivers/staging/media/lirc/lirc_sir.c b/drivers/staging/media/lirc/lirc_sir.c index 4f326e97ad75..c75ae43095ba 100644 --- a/drivers/staging/media/lirc/lirc_sir.c +++ b/drivers/staging/media/lirc/lirc_sir.c @@ -1,7 +1,7 @@ /* * LIRC SIR driver, (C) 2000 Milan Pikula <www@fornax.sk> * - * lirc_sir - Device driver for use with SIR (serial infra red) + * sir_ir - Device driver for use with SIR (serial infra red) * mode of IrDA on many notebooks. * * This program is free software; you can redistribute it and/or modify @@ -58,8 +58,7 @@ #include <linux/timer.h> -#include <media/lirc.h> -#include <media/lirc_dev.h> +#include <media/rc-core.h> /* SECTION: Definitions */ @@ -87,11 +86,6 @@ static void init_act200(void); static void init_act220(void); #endif -#define RBUF_LEN 1024 -#define WBUF_LEN 1024 - -#define LIRC_DRIVER_NAME "lirc_sir" - #define PULSE '[' #ifndef LIRC_SIR_TEKRAM @@ -131,28 +125,19 @@ static ktime_t last; /* time of last UART data ready interrupt */ static ktime_t last_intr_time; static int last_value; +static struct rc_dev *rcdev; -static DECLARE_WAIT_QUEUE_HEAD(lirc_read_queue); +static struct platform_device *sir_ir_dev; static DEFINE_SPINLOCK(hardware_lock); -static int rx_buf[RBUF_LEN]; -static unsigned int rx_tail, rx_head; - static bool debug; /* SECTION: Prototypes */ /* Communication with user-space */ -static unsigned int lirc_poll(struct file *file, poll_table *wait); -static ssize_t lirc_read(struct file *file, char __user *buf, size_t count, - loff_t *ppos); -static ssize_t lirc_write(struct file *file, const char __user *buf, size_t n, - loff_t *pos); -static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); static void add_read_queue(int flag, unsigned long val); static int init_chrdev(void); -static void drop_chrdev(void); /* Hardware */ static irqreturn_t sir_interrupt(int irq, void *dev_id); static void send_space(unsigned long len); @@ -189,72 +174,14 @@ static void safe_udelay(unsigned long usecs) } /* SECTION: Communication with user-space */ - -static unsigned int lirc_poll(struct file *file, poll_table *wait) -{ - poll_wait(file, &lirc_read_queue, wait); - if (rx_head != rx_tail) - return POLLIN | POLLRDNORM; - return 0; -} - -static ssize_t lirc_read(struct file *file, char __user *buf, size_t count, - loff_t *ppos) -{ - int n = 0; - int retval = 0; - DECLARE_WAITQUEUE(wait, current); - - if (count % sizeof(int)) - return -EINVAL; - - add_wait_queue(&lirc_read_queue, &wait); - set_current_state(TASK_INTERRUPTIBLE); - while (n < count) { - if (rx_head != rx_tail) { - if (copy_to_user(buf + n, - rx_buf + rx_head, - sizeof(int))) { - retval = -EFAULT; - break; - } - rx_head = (rx_head + 1) & (RBUF_LEN - 1); - n += sizeof(int); - } else { - if (file->f_flags & O_NONBLOCK) { - retval = -EAGAIN; - break; - } - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } - schedule(); - set_current_state(TASK_INTERRUPTIBLE); - } - } - remove_wait_queue(&lirc_read_queue, &wait); - set_current_state(TASK_RUNNING); - return n ? n : retval; -} -static ssize_t lirc_write(struct file *file, const char __user *buf, size_t n, - loff_t *pos) +static int sir_tx_ir(struct rc_dev *dev, unsigned int *tx_buf, + unsigned int count) { unsigned long flags; - int i, count; - int *tx_buf; - - count = n / sizeof(int); - if (n % sizeof(int) || count % 2 == 0) - return -EINVAL; - tx_buf = memdup_user(buf, n); - if (IS_ERR(tx_buf)) - return PTR_ERR(tx_buf); - i = 0; + int i; + local_irq_save(flags); - while (1) { - if (i >= count) - break; + for (i = 0; i < count;) { if (tx_buf[i]) send_pulse(tx_buf[i]); i++; @@ -265,138 +192,53 @@ static ssize_t lirc_write(struct file *file, const char __user *buf, size_t n, i++; } local_irq_restore(flags); - kfree(tx_buf); - return count; -} - -static long lirc_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) -{ - u32 __user *uptr = (u32 __user *)arg; - int retval = 0; - u32 value = 0; - - if (cmd == LIRC_GET_FEATURES) - value = LIRC_CAN_SEND_PULSE | LIRC_CAN_REC_MODE2; - else if (cmd == LIRC_GET_SEND_MODE) - value = LIRC_MODE_PULSE; - else if (cmd == LIRC_GET_REC_MODE) - value = LIRC_MODE_MODE2; - - switch (cmd) { - case LIRC_GET_FEATURES: - case LIRC_GET_SEND_MODE: - case LIRC_GET_REC_MODE: - retval = put_user(value, uptr); - break; - - case LIRC_SET_SEND_MODE: - case LIRC_SET_REC_MODE: - retval = get_user(value, uptr); - break; - default: - retval = -ENOIOCTLCMD; - - } - - if (retval) - return retval; - if (cmd == LIRC_SET_REC_MODE) { - if (value != LIRC_MODE_MODE2) - retval = -ENOSYS; - } else if (cmd == LIRC_SET_SEND_MODE) { - if (value != LIRC_MODE_PULSE) - retval = -ENOSYS; - } - return retval; + return count; } static void add_read_queue(int flag, unsigned long val) { - unsigned int new_rx_tail; - int newval; + DEFINE_IR_RAW_EVENT(ev); pr_debug("add flag %d with val %lu\n", flag, val); - newval = val & PULSE_MASK; - /* * statistically, pulses are ~TIME_CONST/2 too long. we could * maybe make this more exact, but this is good enough */ if (flag) { /* pulse */ - if (newval > TIME_CONST/2) - newval -= TIME_CONST/2; + if (val > TIME_CONST / 2) + val -= TIME_CONST / 2; else /* should not ever happen */ - newval = 1; - newval |= PULSE_BIT; + val = 1; + ev.pulse = true; } else { - newval += TIME_CONST/2; + val += TIME_CONST / 2; } - new_rx_tail = (rx_tail + 1) & (RBUF_LEN - 1); - if (new_rx_tail == rx_head) { - pr_debug("Buffer overrun.\n"); - return; - } - rx_buf[rx_tail] = newval; - rx_tail = new_rx_tail; - wake_up_interruptible(&lirc_read_queue); -} + ev.duration = US_TO_NS(val); -static const struct file_operations lirc_fops = { - .owner = THIS_MODULE, - .read = lirc_read, - .write = lirc_write, - .poll = lirc_poll, - .unlocked_ioctl = lirc_ioctl, -#ifdef CONFIG_COMPAT - .compat_ioctl = lirc_ioctl, -#endif - .open = lirc_dev_fop_open, - .release = lirc_dev_fop_close, - .llseek = no_llseek, -}; - -static int set_use_inc(void *data) -{ - return 0; + ir_raw_event_store_with_filter(rcdev, &ev); } -static void set_use_dec(void *data) -{ -} - -static struct lirc_driver driver = { - .name = LIRC_DRIVER_NAME, - .minor = -1, - .code_length = 1, - .sample_rate = 0, - .data = NULL, - .add_to_buf = NULL, - .set_use_inc = set_use_inc, - .set_use_dec = set_use_dec, - .fops = &lirc_fops, - .dev = NULL, - .owner = THIS_MODULE, -}; - -static struct platform_device *lirc_sir_dev; - static int init_chrdev(void) { - driver.dev = &lirc_sir_dev->dev; - driver.minor = lirc_register_driver(&driver); - if (driver.minor < 0) { - pr_err("init_chrdev() failed.\n"); - return -EIO; - } - return 0; -} - -static void drop_chrdev(void) -{ - lirc_unregister_driver(driver.minor); + rcdev = devm_rc_allocate_device(&sir_ir_dev->dev, RC_DRIVER_IR_RAW); + if (!rcdev) + return -ENOMEM; + + rcdev->input_phys = KBUILD_MODNAME "/input0"; + rcdev->input_id.bustype = BUS_HOST; + rcdev->input_id.vendor = 0x0001; + rcdev->input_id.product = 0x0001; + rcdev->input_id.version = 0x0100; + rcdev->tx_ir = sir_tx_ir; + rcdev->allowed_protocols = RC_BIT_ALL_IR_DECODER; + rcdev->map_name = RC_MAP_RC6_MCE; + rcdev->timeout = IR_DEFAULT_TIMEOUT; + rcdev->dev.parent = &sir_ir_dev->dev; + + return devm_rc_register_device(&sir_ir_dev->dev, rcdev); } /* SECTION: Hardware */ @@ -420,14 +262,15 @@ static void sir_timeout(unsigned long data) /* determine 'virtual' pulse end: */ pulse_end = min_t(unsigned long, ktime_us_delta(last, last_intr_time), - PULSE_MASK); - dev_dbg(driver.dev, "timeout add %d for %lu usec\n", - last_value, pulse_end); + IR_MAX_DURATION); + dev_dbg(&sir_ir_dev->dev, "timeout add %d for %lu usec\n", + last_value, pulse_end); add_read_queue(last_value, pulse_end); last_value = 0; last = last_intr_time; } spin_unlock_irqrestore(&timer_lock, flags); + ir_raw_event_handle(rcdev); } static irqreturn_t sir_interrupt(int irq, void *dev_id) @@ -462,20 +305,20 @@ static irqreturn_t sir_interrupt(int irq, void *dev_id) curr_time = ktime_get(); delt = min_t(unsigned long, ktime_us_delta(last, curr_time), - PULSE_MASK); + IR_MAX_DURATION); deltintr = min_t(unsigned long, ktime_us_delta(last_intr_time, curr_time), - PULSE_MASK); - dev_dbg(driver.dev, "t %lu, d %d\n", - deltintr, (int)data); + IR_MAX_DURATION); + dev_dbg(&sir_ir_dev->dev, "t %lu, d %d\n", + deltintr, (int)data); /* * if nothing came in last X cycles, * it was gap */ if (deltintr > TIME_CONST * threshold) { if (last_value) { - dev_dbg(driver.dev, "GAP\n"); + dev_dbg(&sir_ir_dev->dev, "GAP\n"); /* simulate signal change */ add_read_queue(last_value, delt - @@ -517,6 +360,7 @@ static irqreturn_t sir_interrupt(int irq, void *dev_id) break; } } + ir_raw_event_handle(rcdev); return IRQ_RETVAL(IRQ_HANDLED); } @@ -655,12 +499,12 @@ static int init_port(void) int retval; /* get I/O port access and IRQ line */ - if (request_region(io, 8, LIRC_DRIVER_NAME) == NULL) { + if (!request_region(io, 8, KBUILD_MODNAME)) { pr_err("i/o port 0x%.4x already in use.\n", io); return -EBUSY; } retval = request_irq(irq, sir_interrupt, 0, - LIRC_DRIVER_NAME, NULL); + KBUILD_MODNAME, NULL); if (retval < 0) { release_region(io, 8); pr_err("IRQ %d already in use.\n", irq); @@ -882,11 +726,10 @@ void init_act220(void) } #endif -static int init_lirc_sir(void) +static int init_sir_ir(void) { int retval; - init_waitqueue_head(&lirc_read_queue); retval = init_port(); if (retval < 0) return retval; @@ -895,42 +738,42 @@ static int init_lirc_sir(void) return 0; } -static int lirc_sir_probe(struct platform_device *dev) +static int sir_ir_probe(struct platform_device *dev) { return 0; } -static int lirc_sir_remove(struct platform_device *dev) +static int sir_ir_remove(struct platform_device *dev) { return 0; } -static struct platform_driver lirc_sir_driver = { - .probe = lirc_sir_probe, - .remove = lirc_sir_remove, +static struct platform_driver sir_ir_driver = { + .probe = sir_ir_probe, + .remove = sir_ir_remove, .driver = { - .name = "lirc_sir", + .name = "sir_ir", }, }; -static int __init lirc_sir_init(void) +static int __init sir_ir_init(void) { int retval; - retval = platform_driver_register(&lirc_sir_driver); + retval = platform_driver_register(&sir_ir_driver); if (retval) { pr_err("Platform driver register failed!\n"); return -ENODEV; } - lirc_sir_dev = platform_device_alloc("lirc_dev", 0); - if (!lirc_sir_dev) { + sir_ir_dev = platform_device_alloc("sir_ir", 0); + if (!sir_ir_dev) { pr_err("Platform device alloc failed!\n"); retval = -ENOMEM; goto pdev_alloc_fail; } - retval = platform_device_add(lirc_sir_dev); + retval = platform_device_add(sir_ir_dev); if (retval) { pr_err("Platform device add failed!\n"); retval = -ENODEV; @@ -941,35 +784,32 @@ static int __init lirc_sir_init(void) if (retval < 0) goto fail; - retval = init_lirc_sir(); - if (retval) { - drop_chrdev(); + retval = init_sir_ir(); + if (retval) goto fail; - } return 0; fail: - platform_device_del(lirc_sir_dev); + platform_device_del(sir_ir_dev); pdev_add_fail: - platform_device_put(lirc_sir_dev); + platform_device_put(sir_ir_dev); pdev_alloc_fail: - platform_driver_unregister(&lirc_sir_driver); + platform_driver_unregister(&sir_ir_driver); return retval; } -static void __exit lirc_sir_exit(void) +static void __exit sir_ir_exit(void) { drop_hardware(); - drop_chrdev(); drop_port(); - platform_device_unregister(lirc_sir_dev); - platform_driver_unregister(&lirc_sir_driver); + platform_device_unregister(sir_ir_dev); + platform_driver_unregister(&sir_ir_driver); pr_info("Uninstalled.\n"); } -module_init(lirc_sir_init); -module_exit(lirc_sir_exit); +module_init(sir_ir_init); +module_exit(sir_ir_exit); #ifdef LIRC_SIR_TEKRAM MODULE_DESCRIPTION("Infrared receiver driver for Tekram Irmate 210"); diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c index c16927ac8eb0..bb0e3b4a4558 100644 --- a/drivers/staging/media/omap4iss/iss_video.c +++ b/drivers/staging/media/omap4iss/iss_video.c @@ -205,21 +205,21 @@ iss_video_remote_subdev(struct iss_video *video, u32 *pad) static struct iss_video * iss_video_far_end(struct iss_video *video) { - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &video->video.entity; struct media_device *mdev = entity->graph_obj.mdev; struct iss_video *far_end = NULL; mutex_lock(&mdev->graph_mutex); - if (media_entity_graph_walk_init(&graph, mdev)) { + if (media_graph_walk_init(&graph, mdev)) { mutex_unlock(&mdev->graph_mutex); return NULL; } - media_entity_graph_walk_start(&graph, entity); + media_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) { + while ((entity = media_graph_walk_next(&graph))) { if (entity == &video->video.entity) continue; @@ -235,7 +235,7 @@ iss_video_far_end(struct iss_video *video) mutex_unlock(&mdev->graph_mutex); - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); return far_end; } @@ -854,7 +854,7 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) { struct iss_video_fh *vfh = to_iss_video_fh(fh); struct iss_video *video = video_drvdata(file); - struct media_entity_graph graph; + struct media_graph graph; struct media_entity *entity = &video->video.entity; enum iss_pipeline_state state; struct iss_pipeline *pipe; @@ -880,19 +880,19 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) if (ret) goto err_graph_walk_init; - ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev); + ret = media_graph_walk_init(&graph, entity->graph_obj.mdev); if (ret) goto err_graph_walk_init; if (video->iss->pdata->set_constraints) video->iss->pdata->set_constraints(video->iss, true); - ret = media_entity_pipeline_start(entity, &pipe->pipe); + ret = media_pipeline_start(entity, &pipe->pipe); if (ret < 0) - goto err_media_entity_pipeline_start; + goto err_media_pipeline_start; - media_entity_graph_walk_start(&graph, entity); - while ((entity = media_entity_graph_walk_next(&graph))) + media_graph_walk_start(&graph, entity); + while ((entity = media_graph_walk_next(&graph))) media_entity_enum_set(&pipe->ent_enum, entity); /* Verify that the currently configured format matches the output of @@ -963,7 +963,7 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) spin_unlock_irqrestore(&video->qlock, flags); } - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); mutex_unlock(&video->stream_lock); @@ -972,13 +972,13 @@ iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) err_omap4iss_set_stream: vb2_streamoff(&vfh->queue, type); err_iss_video_check_format: - media_entity_pipeline_stop(&video->video.entity); -err_media_entity_pipeline_start: + media_pipeline_stop(&video->video.entity); +err_media_pipeline_start: if (video->iss->pdata->set_constraints) video->iss->pdata->set_constraints(video->iss, false); video->queue = NULL; - media_entity_graph_walk_cleanup(&graph); + media_graph_walk_cleanup(&graph); err_graph_walk_init: media_entity_enum_cleanup(&pipe->ent_enum); @@ -1026,7 +1026,7 @@ iss_video_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) if (video->iss->pdata->set_constraints) video->iss->pdata->set_constraints(video->iss, false); - media_entity_pipeline_stop(&video->video.entity); + media_pipeline_stop(&video->video.entity); done: mutex_unlock(&video->stream_lock); @@ -1141,6 +1141,7 @@ static int iss_video_open(struct file *file) done: if (ret < 0) { v4l2_fh_del(&handle->vfh); + v4l2_fh_exit(&handle->vfh); kfree(handle); } @@ -1162,6 +1163,7 @@ static int iss_video_release(struct file *file) vb2_queue_release(&handle->queue); v4l2_fh_del(vfh); + v4l2_fh_exit(vfh); kfree(handle); file->private_data = NULL; diff --git a/drivers/staging/media/s5p-cec/Kconfig b/drivers/staging/media/s5p-cec/Kconfig index ddfd955da0d4..7a3489df3e70 100644 --- a/drivers/staging/media/s5p-cec/Kconfig +++ b/drivers/staging/media/s5p-cec/Kconfig @@ -1,6 +1,6 @@ config VIDEO_SAMSUNG_S5P_CEC tristate "Samsung S5P CEC driver" - depends on VIDEO_DEV && MEDIA_CEC_SUPPORT && (PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST) + depends on VIDEO_DEV && MEDIA_CEC_SUPPORT && (ARCH_EXYNOS || COMPILE_TEST) ---help--- This is a driver for Samsung S5P HDMI CEC interface. It uses the generic CEC framework interface. diff --git a/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h b/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h index 3e4fc7b05e83..7d9453505dce 100644 --- a/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h +++ b/drivers/staging/media/s5p-cec/exynos_hdmi_cec.h @@ -14,7 +14,6 @@ #define _EXYNOS_HDMI_CEC_H_ __FILE__ #include <linux/regmap.h> -#include <linux/miscdevice.h> #include "s5p_cec.h" void s5p_cec_set_divider(struct s5p_cec_dev *cec); diff --git a/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c b/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c index ce95e0fcd882..1edf667d562a 100644 --- a/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c +++ b/drivers/staging/media/s5p-cec/exynos_hdmi_cecctrl.c @@ -87,7 +87,6 @@ void s5p_cec_mask_tx_interrupts(struct s5p_cec_dev *cec) reg |= S5P_CEC_IRQ_TX_DONE; reg |= S5P_CEC_IRQ_TX_ERROR; writeb(reg, cec->reg + S5P_CEC_IRQ_MASK); - } void s5p_cec_unmask_tx_interrupts(struct s5p_cec_dev *cec) @@ -186,13 +185,13 @@ u32 s5p_cec_get_status(struct s5p_cec_dev *cec) void s5p_clr_pending_tx(struct s5p_cec_dev *cec) { writeb(S5P_CEC_IRQ_TX_DONE | S5P_CEC_IRQ_TX_ERROR, - cec->reg + S5P_CEC_IRQ_CLEAR); + cec->reg + S5P_CEC_IRQ_CLEAR); } void s5p_clr_pending_rx(struct s5p_cec_dev *cec) { writeb(S5P_CEC_IRQ_RX_DONE | S5P_CEC_IRQ_RX_ERROR, - cec->reg + S5P_CEC_IRQ_CLEAR); + cec->reg + S5P_CEC_IRQ_CLEAR); } void s5p_cec_get_rx_buf(struct s5p_cec_dev *cec, u32 size, u8 *buffer) diff --git a/drivers/staging/netlogic/xlr_net.c b/drivers/staging/netlogic/xlr_net.c index fb0928a4fb97..781ef623233e 100644 --- a/drivers/staging/netlogic/xlr_net.c +++ b/drivers/staging/netlogic/xlr_net.c @@ -155,7 +155,6 @@ static void xlr_net_fmn_handler(int bkt, int src_stnid, int size, int code, skb_reserve(skb, BYTE_OFFSET); skb_put(skb, length); skb->protocol = eth_type_trans(skb, skb->dev); - skb->dev->last_rx = jiffies; netif_rx(skb); /* Fill rx ring */ skb_data = xlr_alloc_skb(); @@ -397,14 +396,6 @@ static void xlr_stats(struct net_device *ndev, struct rtnl_link_stats64 *stats) TX_DROP_FRAME_COUNTER); } -static struct rtnl_link_stats64 *xlr_get_stats64(struct net_device *ndev, - struct rtnl_link_stats64 *stats - ) -{ - xlr_stats(ndev, stats); - return stats; -} - static const struct net_device_ops xlr_netdev_ops = { .ndo_open = xlr_net_open, .ndo_stop = xlr_net_stop, @@ -412,7 +403,7 @@ static const struct net_device_ops xlr_netdev_ops = { .ndo_select_queue = xlr_net_select_queue, .ndo_set_mac_address = xlr_net_set_mac_addr, .ndo_set_rx_mode = xlr_set_rx_mode, - .ndo_get_stats64 = xlr_get_stats64, + .ndo_get_stats64 = xlr_stats, }; /* diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c index a3b6eb7548f2..7f8cf875157c 100644 --- a/drivers/staging/octeon/ethernet-rx.c +++ b/drivers/staging/octeon/ethernet-rx.c @@ -429,7 +429,7 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) if (rx_count < budget) { /* No more work */ - napi_complete(napi); + napi_complete_done(napi, rx_count); enable_irq(rx_group->irq); } return rx_count; diff --git a/drivers/staging/octeon/ethernet-tx.c b/drivers/staging/octeon/ethernet-tx.c index 31a583e1385d..ff4119e8de42 100644 --- a/drivers/staging/octeon/ethernet-tx.c +++ b/drivers/staging/octeon/ethernet-tx.c @@ -23,6 +23,7 @@ #endif /* CONFIG_XFRM */ #include <linux/atomic.h> +#include <net/sch_generic.h> #include <asm/octeon/octeon.h> @@ -369,9 +370,7 @@ int cvm_oct_xmit(struct sk_buff *skb, struct net_device *dev) #ifdef CONFIG_NET_SCHED skb->tc_index = 0; -#ifdef CONFIG_NET_CLS_ACT - skb->tc_verd = 0; -#endif /* CONFIG_NET_CLS_ACT */ + skb_reset_tc(skb); #endif /* CONFIG_NET_SCHED */ #endif /* REUSE_SKBUFFS_WITHOUT_FREE */ diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c index 9bc284812c30..dbb58fb16482 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c @@ -268,8 +268,8 @@ void rtl92e_dm_watchdog(struct net_device *dev) static void _rtl92e_dm_check_ac_dc_power(struct net_device *dev) { struct r8192_priv *priv = rtllib_priv(dev); - static char *ac_dc_script = "/etc/acpi/wireless-rtl-ac-dc-power.sh"; - char *argv[] = {ac_dc_script, DRV_NAME, NULL}; + static char const ac_dc_script[] = "/etc/acpi/wireless-rtl-ac-dc-power.sh"; + char *argv[] = {(char *)ac_dc_script, DRV_NAME, NULL}; static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", @@ -1823,7 +1823,7 @@ static void _rtl92e_dm_check_rf_ctrl_gpio(void *data) enum rt_rf_power_state eRfPowerStateToSet; bool bActuallySet = false; char *argv[3]; - static char *RadioPowerPath = "/etc/acpi/events/RadioPower.sh"; + static char const RadioPowerPath[] = "/etc/acpi/events/RadioPower.sh"; static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", NULL}; @@ -1862,7 +1862,7 @@ static void _rtl92e_dm_check_rf_ctrl_gpio(void *data) else argv[1] = "RFON"; - argv[0] = RadioPowerPath; + argv[0] = (char *)RadioPowerPath; argv[2] = NULL; call_usermodehelper(RadioPowerPath, argv, envp, UMH_WAIT_PROC); } diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c index e5ba7d1a809f..43a77745e6fb 100644 --- a/drivers/staging/rtl8192e/rtllib_rx.c +++ b/drivers/staging/rtl8192e/rtllib_rx.c @@ -1375,7 +1375,6 @@ static int rtllib_rx_InfraAdhoc(struct rtllib_device *ieee, struct sk_buff *skb, ieee->LinkDetectInfo.NumRecvDataInPeriod++; ieee->LinkDetectInfo.NumRxOkInPeriod++; } - dev->last_rx = jiffies; /* Data frame - extract src/dst addresses */ rtllib_rx_extract_addr(ieee, hdr, dst, src, bssid); diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c index d1057b13549d..5241c5003ebf 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c @@ -1103,11 +1103,7 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, stats = hostap_get_stats(dev); from_assoc_ap = 1; } -#endif - - dev->last_rx = jiffies; -#ifdef NOT_YET if ((ieee->iw_mode == IW_MODE_MASTER || ieee->iw_mode == IW_MODE_REPEAT) && !from_assoc_ap) { diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index d8f5ecac6c12..73a01a70b106 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -1656,7 +1656,7 @@ static int visornic_poll(struct napi_struct *napi, int budget) /* If there aren't any more packets to receive stop the poll */ if (rx_count < budget) - napi_complete(napi); + napi_complete_done(napi, rx_count); return rx_count; } diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c index 4fe037aeef12..6134eba5cad4 100644 --- a/drivers/staging/wlan-ng/hfa384x_usb.c +++ b/drivers/staging/wlan-ng/hfa384x_usb.c @@ -3409,7 +3409,6 @@ static void hfa384x_usbin_rx(struct wlandevice *wlandev, struct sk_buff *skb) &usbin->rxfrm.desc.frame_control, hdrlen); skb->dev = wlandev->netdev; - skb->dev->last_rx = jiffies; /* And set the frame length properly */ skb_trim(skb, data_len + hdrlen); diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c index eea50b614638..021fb23ae9ba 100644 --- a/drivers/staging/wlan-ng/p80211netdev.c +++ b/drivers/staging/wlan-ng/p80211netdev.c @@ -252,7 +252,6 @@ static int p80211_convert_to_ether(struct wlandevice *wlandev, } if (skb_p80211_to_ether(wlandev, wlandev->ethconv, skb) == 0) { - skb->dev->last_rx = jiffies; wlandev->netdev->stats.rx_packets++; wlandev->netdev->stats.rx_bytes += skb->len; netif_rx_ni(skb); @@ -287,7 +286,6 @@ static void p80211netdev_rx_bh(unsigned long arg) skb->ip_summed = CHECKSUM_NONE; skb->pkt_type = PACKET_OTHERHOST; skb->protocol = htons(ETH_P_80211_RAW); - dev->last_rx = jiffies; dev->stats.rx_packets++; dev->stats.rx_bytes += skb->len; |