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-rw-r--r--drivers/usb/gadget/Kconfig12
-rw-r--r--drivers/usb/gadget/Makefile2
-rw-r--r--drivers/usb/gadget/at91_udc.c19
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c10
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.h1
-rw-r--r--drivers/usb/gadget/ci13xxx_udc.c1
-rw-r--r--drivers/usb/gadget/config.c1
-rw-r--r--drivers/usb/gadget/epautoconf.c24
-rw-r--r--drivers/usb/gadget/ether.c2
-rw-r--r--drivers/usb/gadget/f_acm.c9
-rw-r--r--drivers/usb/gadget/f_audio.c7
-rw-r--r--drivers/usb/gadget/f_ecm.c8
-rw-r--r--drivers/usb/gadget/f_eem.c4
-rw-r--r--drivers/usb/gadget/f_loopback.c1
-rw-r--r--drivers/usb/gadget/f_mass_storage.c55
-rw-r--r--drivers/usb/gadget/f_obex.c1
-rw-r--r--drivers/usb/gadget/f_phonet.c1
-rw-r--r--drivers/usb/gadget/f_rndis.c5
-rw-r--r--drivers/usb/gadget/f_serial.c1
-rw-r--r--drivers/usb/gadget/f_sourcesink.c1
-rw-r--r--drivers/usb/gadget/f_subset.c1
-rw-r--r--drivers/usb/gadget/file_storage.c10
-rw-r--r--drivers/usb/gadget/fsl_mx3_udc.c31
-rw-r--r--drivers/usb/gadget/fsl_qe_udc.c2
-rw-r--r--drivers/usb/gadget/gadget_chips.h67
-rw-r--r--drivers/usb/gadget/gmidi.c8
-rw-r--r--drivers/usb/gadget/goku_udc.c4
-rw-r--r--drivers/usb/gadget/imx_udc.c1
-rw-r--r--drivers/usb/gadget/inode.c39
-rw-r--r--drivers/usb/gadget/lh7a40x_udc.c1
-rw-r--r--drivers/usb/gadget/m66592-udc.c1
-rw-r--r--drivers/usb/gadget/mass_storage.c8
-rw-r--r--drivers/usb/gadget/multi.c4
-rw-r--r--drivers/usb/gadget/nokia.c259
-rw-r--r--drivers/usb/gadget/printer.c18
-rw-r--r--drivers/usb/gadget/pxa25x_udc.c4
-rw-r--r--drivers/usb/gadget/pxa27x_udc.c136
-rw-r--r--drivers/usb/gadget/pxa27x_udc.h6
-rw-r--r--drivers/usb/gadget/r8a66597-udc.c2
-rw-r--r--drivers/usb/gadget/rndis.c1
-rw-r--r--drivers/usb/gadget/s3c-hsotg.c15
-rw-r--r--drivers/usb/gadget/u_audio.c1
-rw-r--r--drivers/usb/gadget/u_ether.c6
-rw-r--r--drivers/usb/gadget/u_ether.h7
-rw-r--r--drivers/usb/gadget/u_serial.c1
-rw-r--r--drivers/usb/gadget/zero.c7
46 files changed, 554 insertions, 251 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index ee411206c699..11a3e0fa4331 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -747,7 +747,7 @@ config USB_MASS_STORAGE
which may be used with composite framework.
Say "y" to link the driver statically, or "m" to build
- a dynamically linked module called "g_file_storage". If unsure,
+ a dynamically linked module called "g_mass_storage". If unsure,
consider File-backed Storage Gadget.
config USB_G_SERIAL
@@ -812,6 +812,16 @@ config USB_CDC_COMPOSITE
Say "y" to link the driver statically, or "m" to build a
dynamically linked module.
+config USB_G_NOKIA
+ tristate "Nokia composite gadget"
+ depends on PHONET
+ help
+ The Nokia composite gadget provides support for acm, obex
+ and phonet in only one composite gadget driver.
+
+ It's only really useful for N900 hardware. If you're building
+ a kernel for N900, say Y or M here. If unsure, say N.
+
config USB_G_MULTI
tristate "Multifunction Composite Gadget (EXPERIMENTAL)"
depends on BLOCK && NET
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 2e2c047262b7..43b51da8d727 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -43,6 +43,7 @@ g_mass_storage-objs := mass_storage.o
g_printer-objs := printer.o
g_cdc-objs := cdc2.o
g_multi-objs := multi.o
+g_nokia-objs := nokia.o
obj-$(CONFIG_USB_ZERO) += g_zero.o
obj-$(CONFIG_USB_AUDIO) += g_audio.o
@@ -55,4 +56,5 @@ obj-$(CONFIG_USB_G_PRINTER) += g_printer.o
obj-$(CONFIG_USB_MIDI_GADGET) += g_midi.o
obj-$(CONFIG_USB_CDC_COMPOSITE) += g_cdc.o
obj-$(CONFIG_USB_G_MULTI) += g_multi.o
+obj-$(CONFIG_USB_G_NOKIA) += g_nokia.o
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 043e04db2a05..df1bae9b048e 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1370,6 +1370,12 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
{
struct at91_udc *udc = _udc;
u32 rescans = 5;
+ int disable_clock = 0;
+
+ if (!udc->clocked) {
+ clk_on(udc);
+ disable_clock = 1;
+ }
while (rescans--) {
u32 status;
@@ -1458,6 +1464,9 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
}
}
+ if (disable_clock)
+ clk_off(udc);
+
return IRQ_HANDLED;
}
@@ -1656,9 +1665,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
if (!res)
return -ENXIO;
- if (!request_mem_region(res->start,
- res->end - res->start + 1,
- driver_name)) {
+ if (!request_mem_region(res->start, resource_size(res), driver_name)) {
DBG("someone's using UDC memory\n");
return -EBUSY;
}
@@ -1699,7 +1706,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
udc->ep[3].maxpacket = 64;
}
- udc->udp_baseaddr = ioremap(res->start, res->end - res->start + 1);
+ udc->udp_baseaddr = ioremap(res->start, resource_size(res));
if (!udc->udp_baseaddr) {
retval = -ENOMEM;
goto fail0a;
@@ -1781,7 +1788,7 @@ fail0a:
if (cpu_is_at91rm9200())
gpio_free(udc->board.pullup_pin);
fail0:
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
DBG("%s probe failed, %d\n", driver_name, retval);
return retval;
}
@@ -1813,7 +1820,7 @@ static int __exit at91udc_remove(struct platform_device *pdev)
gpio_free(udc->board.pullup_pin);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
clk_put(udc->iclk);
clk_put(udc->fclk);
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 4e970cf0e29a..75a256f3d45b 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
+#include <linux/slab.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/list.h>
@@ -320,7 +321,7 @@ static inline void usba_cleanup_debugfs(struct usba_udc *udc)
static int vbus_is_present(struct usba_udc *udc)
{
if (gpio_is_valid(udc->vbus_pin))
- return gpio_get_value(udc->vbus_pin);
+ return gpio_get_value(udc->vbus_pin) ^ udc->vbus_pin_inverted;
/* No Vbus detection: Assume always present */
return 1;
@@ -1763,7 +1764,7 @@ static irqreturn_t usba_vbus_irq(int irq, void *devid)
if (!udc->driver)
goto out;
- vbus = gpio_get_value(udc->vbus_pin);
+ vbus = vbus_is_present(udc);
if (vbus != udc->vbus_prev) {
if (vbus) {
toggle_bias(1);
@@ -1914,14 +1915,14 @@ static int __init usba_udc_probe(struct platform_device *pdev)
udc->vbus_pin = -ENODEV;
ret = -ENOMEM;
- udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ udc->regs = ioremap(regs->start, resource_size(regs));
if (!udc->regs) {
dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n");
goto err_map_regs;
}
dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n",
(unsigned long)regs->start, udc->regs);
- udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1);
+ udc->fifo = ioremap(fifo->start, resource_size(fifo));
if (!udc->fifo) {
dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n");
goto err_map_fifo;
@@ -2000,6 +2001,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
if (gpio_is_valid(pdata->vbus_pin)) {
if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) {
udc->vbus_pin = pdata->vbus_pin;
+ udc->vbus_pin_inverted = pdata->vbus_pin_inverted;
ret = request_irq(gpio_to_irq(udc->vbus_pin),
usba_vbus_irq, 0,
diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h
index f7baea307f0d..88a2e07a11a8 100644
--- a/drivers/usb/gadget/atmel_usba_udc.h
+++ b/drivers/usb/gadget/atmel_usba_udc.h
@@ -323,6 +323,7 @@ struct usba_udc {
struct platform_device *pdev;
int irq;
int vbus_pin;
+ int vbus_pin_inverted;
struct clk *pclk;
struct clk *hclk;
diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index c7cb87a6fee2..699695128e33 100644
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -62,6 +62,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c
index e1191b9a316a..47e8e722682c 100644
--- a/drivers/usb/gadget/config.c
+++ b/drivers/usb/gadget/config.c
@@ -19,6 +19,7 @@
*/
#include <linux/errno.h>
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/string.h>
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index cd0914ec898e..3568de210f79 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -265,16 +265,24 @@ struct usb_ep * __init usb_ep_autoconfig (
return ep;
}
- } else if (gadget_is_sh (gadget) && USB_ENDPOINT_XFER_INT == type) {
- /* single buffering is enough; maybe 8 byte fifo is too */
- ep = find_ep (gadget, "ep3in-bulk");
- if (ep && ep_matches (gadget, ep, desc))
- return ep;
-
- } else if (gadget_is_mq11xx (gadget) && USB_ENDPOINT_XFER_INT == type) {
- ep = find_ep (gadget, "ep1-bulk");
+#ifdef CONFIG_BLACKFIN
+ } else if (gadget_is_musbhdrc(gadget)) {
+ if ((USB_ENDPOINT_XFER_BULK == type) ||
+ (USB_ENDPOINT_XFER_ISOC == type)) {
+ if (USB_DIR_IN & desc->bEndpointAddress)
+ ep = find_ep (gadget, "ep5in");
+ else
+ ep = find_ep (gadget, "ep6out");
+ } else if (USB_ENDPOINT_XFER_INT == type) {
+ if (USB_DIR_IN & desc->bEndpointAddress)
+ ep = find_ep(gadget, "ep1in");
+ else
+ ep = find_ep(gadget, "ep2out");
+ } else
+ ep = NULL;
if (ep && ep_matches (gadget, ep, desc))
return ep;
+#endif
}
/* Second, look at endpoints until an unclaimed one looks usable */
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 141372b6e7a1..400f80372d93 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -259,7 +259,7 @@ static struct usb_configuration rndis_config_driver = {
/*-------------------------------------------------------------------------*/
-#ifdef USB_ETH_EEM
+#ifdef CONFIG_USB_ETH_EEM
static int use_eem = 1;
#else
static int use_eem;
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index d10353d46b86..400e1ebe6976 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -14,6 +14,7 @@
/* #define VERBOSE_DEBUG */
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
@@ -702,14 +703,6 @@ acm_unbind(struct usb_configuration *c, struct usb_function *f)
/* Some controllers can't support CDC ACM ... */
static inline bool can_support_cdc(struct usb_configuration *c)
{
- /* SH3 doesn't support multiple interfaces */
- if (gadget_is_sh(c->cdev->gadget))
- return false;
-
- /* sa1100 doesn't have a third interrupt endpoint */
- if (gadget_is_sa1100(c->cdev->gadget))
- return false;
-
/* everything else is *probably* fine ... */
return true;
}
diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c
index df77f6131c73..43bf44514c41 100644
--- a/drivers/usb/gadget/f_audio.c
+++ b/drivers/usb/gadget/f_audio.c
@@ -9,6 +9,7 @@
* Licensed under the GPL-2 or later.
*/
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <asm/atomic.h>
@@ -60,7 +61,7 @@ DECLARE_UAC_AC_HEADER_DESCRIPTOR(2);
#define UAC_DT_TOTAL_LENGTH (UAC_DT_AC_HEADER_LENGTH + UAC_DT_INPUT_TERMINAL_SIZE \
+ UAC_DT_OUTPUT_TERMINAL_SIZE + UAC_DT_FEATURE_UNIT_SIZE(0))
/* B.3.2 Class-Specific AC Interface Descriptor */
-static struct uac_ac_header_descriptor_2 ac_header_desc = {
+static struct uac_ac_header_descriptor_v1_2 ac_header_desc = {
.bLength = UAC_DT_AC_HEADER_LENGTH,
.bDescriptorType = USB_DT_CS_INTERFACE,
.bDescriptorSubtype = UAC_HEADER,
@@ -124,7 +125,7 @@ static struct usb_audio_control_selector feature_unit = {
};
#define OUTPUT_TERMINAL_ID 3
-static struct uac_output_terminal_descriptor output_terminal_desc = {
+static struct uac_output_terminal_descriptor_v1 output_terminal_desc = {
.bLength = UAC_DT_OUTPUT_TERMINAL_SIZE,
.bDescriptorType = USB_DT_CS_INTERFACE,
.bDescriptorSubtype = UAC_OUTPUT_TERMINAL,
@@ -154,7 +155,7 @@ static struct usb_interface_descriptor as_interface_alt_1_desc = {
};
/* B.4.2 Class-Specific AS Interface Descriptor */
-static struct uac_as_header_descriptor as_header_desc = {
+static struct uac_as_header_descriptor_v1 as_header_desc = {
.bLength = UAC_DT_AS_HEADER_SIZE,
.bDescriptorType = USB_DT_CS_INTERFACE,
.bDescriptorSubtype = UAC_AS_GENERAL,
diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index ecf5bdd0ae06..4e595324c614 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -21,6 +21,7 @@
/* #define VERBOSE_DEBUG */
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/etherdevice.h>
@@ -497,12 +498,9 @@ static int ecm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
struct net_device *net;
/* Enable zlps by default for ECM conformance;
- * override for musb_hdrc (avoids txdma ovhead)
- * and sa1100 (can't).
+ * override for musb_hdrc (avoids txdma ovhead).
*/
- ecm->port.is_zlp_ok = !(
- gadget_is_sa1100(cdev->gadget)
- || gadget_is_musbhdrc(cdev->gadget)
+ ecm->port.is_zlp_ok = !(gadget_is_musbhdrc(cdev->gadget)
);
ecm->port.cdc_filter = DEFAULT_FILTER;
DBG(cdev, "activate ecm\n");
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
index 0a577d5694fd..38226e9a371d 100644
--- a/drivers/usb/gadget/f_eem.c
+++ b/drivers/usb/gadget/f_eem.c
@@ -24,6 +24,7 @@
#include <linux/device.h>
#include <linux/etherdevice.h>
#include <linux/crc32.h>
+#include <linux/slab.h>
#include "u_ether.h"
@@ -358,7 +359,7 @@ done:
* b15: bmType (0 == data)
*/
len = skb->len;
- put_unaligned_le16((len & 0x3FFF) | BIT(14), skb_push(skb, 2));
+ put_unaligned_le16(len & 0x3FFF, skb_push(skb, 2));
/* add a zero-length EEM packet, if needed */
if (padlen)
@@ -464,7 +465,6 @@ static int eem_unwrap(struct gether *port,
}
/* validate CRC */
- crc = get_unaligned_le32(skb->data + len - ETH_FCS_LEN);
if (header & BIT(14)) {
crc = get_unaligned_le32(skb->data + len
- ETH_FCS_LEN);
diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c
index 6cb29d3df575..e91d1b16d9be 100644
--- a/drivers/usb/gadget/f_loopback.c
+++ b/drivers/usb/gadget/f_loopback.c
@@ -21,6 +21,7 @@
/* #define VERBOSE_DEBUG */
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index a37640eba434..f4911c09022e 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -368,7 +368,7 @@ struct fsg_common {
struct task_struct *thread_task;
/* Callback function to call when thread exits. */
- void (*thread_exits)(struct fsg_common *common);
+ int (*thread_exits)(struct fsg_common *common);
/* Gadget's private data. */
void *private_data;
@@ -392,8 +392,12 @@ struct fsg_config {
const char *lun_name_format;
const char *thread_name;
- /* Callback function to call when thread exits. */
- void (*thread_exits)(struct fsg_common *common);
+ /* Callback function to call when thread exits. If no
+ * callback is set or it returns value lower then zero MSF
+ * will force eject all LUNs it operates on (including those
+ * marked as non-removable or with prevent_medium_removal flag
+ * set). */
+ int (*thread_exits)(struct fsg_common *common);
/* Gadget's private data. */
void *private_data;
@@ -614,7 +618,12 @@ static int fsg_setup(struct usb_function *f,
return -EDOM;
VDBG(fsg, "get max LUN\n");
*(u8 *) req->buf = fsg->common->nluns - 1;
- return 1;
+
+ /* Respond with data/status */
+ req->length = min((u16)1, w_length);
+ fsg->common->ep0req_name =
+ ctrl->bRequestType & USB_DIR_IN ? "ep0-in" : "ep0-out";
+ return ep0_queue(fsg->common);
}
VDBG(fsg,
@@ -1041,7 +1050,7 @@ static void invalidate_sub(struct fsg_lun *curlun)
unsigned long rc;
rc = invalidate_mapping_pages(inode->i_mapping, 0, -1);
- VLDBG(curlun, "invalidate_inode_pages -> %ld\n", rc);
+ VLDBG(curlun, "invalidate_mapping_pages -> %ld\n", rc);
}
static int do_verify(struct fsg_common *common)
@@ -2524,14 +2533,6 @@ static void handle_exception(struct fsg_common *common)
case FSG_STATE_CONFIG_CHANGE:
rc = do_set_config(common, new_config);
- if (common->ep0_req_tag != exception_req_tag)
- break;
- if (rc != 0) { /* STALL on errors */
- DBG(common, "ep0 set halt\n");
- usb_ep_set_halt(common->ep0);
- } else { /* Complete the status stage */
- ep0_queue(common);
- }
break;
case FSG_STATE_EXIT:
@@ -2615,8 +2616,20 @@ static int fsg_main_thread(void *common_)
common->thread_task = NULL;
spin_unlock_irq(&common->lock);
- if (common->thread_exits)
- common->thread_exits(common);
+ if (!common->thread_exits || common->thread_exits(common) < 0) {
+ struct fsg_lun *curlun = common->luns;
+ unsigned i = common->nluns;
+
+ down_write(&common->filesem);
+ for (; i--; ++curlun) {
+ if (!fsg_lun_is_open(curlun))
+ continue;
+
+ fsg_lun_close(curlun);
+ curlun->unit_attention_data = SS_MEDIUM_NOT_PRESENT;
+ }
+ up_write(&common->filesem);
+ }
/* Let the unbind and cleanup routines know the thread has exited */
complete_and_exit(&common->thread_notifier, 0);
@@ -2763,10 +2776,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
if (cfg->release != 0xffff) {
i = cfg->release;
} else {
- /* The sa1100 controller is not supported */
- i = gadget_is_sa1100(gadget)
- ? -1
- : usb_gadget_controller_number(gadget);
+ i = usb_gadget_controller_number(gadget);
if (i >= 0) {
i = 0x0300 + i;
} else {
@@ -2791,8 +2801,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
* disable stalls.
*/
common->can_stall = cfg->can_stall &&
- !(gadget_is_sh(common->gadget) ||
- gadget_is_at91(common->gadget));
+ !(gadget_is_at91(common->gadget));
spin_lock_init(&common->lock);
@@ -2852,7 +2861,6 @@ error_release:
/* Call fsg_common_release() directly, ref might be not
* initialised */
fsg_common_release(&common->ref);
- complete(&common->thread_notifier);
return ERR_PTR(rc);
}
@@ -2902,7 +2910,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f)
}
-static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
+static int __init fsg_bind(struct usb_configuration *c, struct usb_function *f)
{
struct fsg_dev *fsg = fsg_from_func(f);
struct usb_gadget *gadget = c->cdev->gadget;
@@ -2946,7 +2954,6 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
autoconf_fail:
ERROR(fsg, "unable to autoconfigure all endpoints\n");
rc = -ENOTSUPP;
- fsg_unbind(c, f);
return rc;
}
diff --git a/drivers/usb/gadget/f_obex.c b/drivers/usb/gadget/f_obex.c
index b4a3ba654ea5..8f8c64371475 100644
--- a/drivers/usb/gadget/f_obex.c
+++ b/drivers/usb/gadget/f_obex.c
@@ -23,6 +23,7 @@
/* #define VERBOSE_DEBUG */
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index d2de10b9dc4b..3c6e1a058745 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -20,6 +20,7 @@
* 02110-1301 USA
*/
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 95dae4c1ea40..56b022150f22 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -24,6 +24,7 @@
/* #define VERBOSE_DEBUG */
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/etherdevice.h>
@@ -769,10 +770,6 @@ rndis_unbind(struct usb_configuration *c, struct usb_function *f)
/* Some controllers can't support RNDIS ... */
static inline bool can_support_rndis(struct usb_configuration *c)
{
- /* only two endpoints on sa1100 */
- if (gadget_is_sa1100(c->cdev->gadget))
- return false;
-
/* everything else is *presumably* fine */
return true;
}
diff --git a/drivers/usb/gadget/f_serial.c b/drivers/usb/gadget/f_serial.c
index db0aa93606ef..490b00b01a7d 100644
--- a/drivers/usb/gadget/f_serial.c
+++ b/drivers/usb/gadget/f_serial.c
@@ -10,6 +10,7 @@
* either version 2 of that License or (at your option) any later version.
*/
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
diff --git a/drivers/usb/gadget/f_sourcesink.c b/drivers/usb/gadget/f_sourcesink.c
index 09cba273d2db..6d3cc443d914 100644
--- a/drivers/usb/gadget/f_sourcesink.c
+++ b/drivers/usb/gadget/f_sourcesink.c
@@ -21,6 +21,7 @@
/* #define VERBOSE_DEBUG */
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c
index a9c98fdb626d..8675ca415329 100644
--- a/drivers/usb/gadget/f_subset.c
+++ b/drivers/usb/gadget/f_subset.c
@@ -19,6 +19,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/etherdevice.h>
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 29dfb0277ffb..b49d86e3e45b 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -1448,7 +1448,7 @@ static void invalidate_sub(struct fsg_lun *curlun)
unsigned long rc;
rc = invalidate_mapping_pages(inode->i_mapping, 0, -1);
- VLDBG(curlun, "invalidate_inode_pages -> %ld\n", rc);
+ VLDBG(curlun, "invalidate_mapping_pages -> %ld\n", rc);
}
static int do_verify(struct fsg_dev *fsg)
@@ -3208,15 +3208,11 @@ static int __init check_parameters(struct fsg_dev *fsg)
* halt bulk endpoints correctly. If one of them is present,
* disable stalls.
*/
- if (gadget_is_sh(fsg->gadget) || gadget_is_at91(fsg->gadget))
+ if (gadget_is_at91(fsg->gadget))
mod_data.can_stall = 0;
if (mod_data.release == 0xffff) { // Parameter wasn't set
- /* The sa1100 controller is not supported */
- if (gadget_is_sa1100(fsg->gadget))
- gcnum = -1;
- else
- gcnum = usb_gadget_controller_number(fsg->gadget);
+ gcnum = usb_gadget_controller_number(fsg->gadget);
if (gcnum >= 0)
mod_data.release = 0x0300 + gcnum;
else {
diff --git a/drivers/usb/gadget/fsl_mx3_udc.c b/drivers/usb/gadget/fsl_mx3_udc.c
index 4bc2bf3d602e..20a802ecaa15 100644
--- a/drivers/usb/gadget/fsl_mx3_udc.c
+++ b/drivers/usb/gadget/fsl_mx3_udc.c
@@ -17,6 +17,8 @@
#include <linux/fsl_devices.h>
#include <linux/platform_device.h>
+#include <mach/hardware.h>
+
static struct clk *mxc_ahb_clk;
static struct clk *mxc_usb_clk;
@@ -28,14 +30,16 @@ int fsl_udc_clk_init(struct platform_device *pdev)
pdata = pdev->dev.platform_data;
- mxc_ahb_clk = clk_get(&pdev->dev, "usb_ahb");
- if (IS_ERR(mxc_ahb_clk))
- return PTR_ERR(mxc_ahb_clk);
+ if (!cpu_is_mx35()) {
+ mxc_ahb_clk = clk_get(&pdev->dev, "usb_ahb");
+ if (IS_ERR(mxc_ahb_clk))
+ return PTR_ERR(mxc_ahb_clk);
- ret = clk_enable(mxc_ahb_clk);
- if (ret < 0) {
- dev_err(&pdev->dev, "clk_enable(\"usb_ahb\") failed\n");
- goto eenahb;
+ ret = clk_enable(mxc_ahb_clk);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "clk_enable(\"usb_ahb\") failed\n");
+ goto eenahb;
+ }
}
/* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */
@@ -50,6 +54,7 @@ int fsl_udc_clk_init(struct platform_device *pdev)
if (pdata->phy_mode != FSL_USB2_PHY_ULPI &&
(freq < 59999000 || freq > 60001000)) {
dev_err(&pdev->dev, "USB_CLK=%lu, should be 60MHz\n", freq);
+ ret = -EINVAL;
goto eclkrate;
}
@@ -66,9 +71,11 @@ eclkrate:
clk_put(mxc_usb_clk);
mxc_usb_clk = NULL;
egusb:
- clk_disable(mxc_ahb_clk);
+ if (!cpu_is_mx35())
+ clk_disable(mxc_ahb_clk);
eenahb:
- clk_put(mxc_ahb_clk);
+ if (!cpu_is_mx35())
+ clk_put(mxc_ahb_clk);
return ret;
}
@@ -90,6 +97,8 @@ void fsl_udc_clk_release(void)
clk_disable(mxc_usb_clk);
clk_put(mxc_usb_clk);
}
- clk_disable(mxc_ahb_clk);
- clk_put(mxc_ahb_clk);
+ if (!cpu_is_mx35()) {
+ clk_disable(mxc_ahb_clk);
+ clk_put(mxc_ahb_clk);
+ }
}
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 7881f12413c4..3537d51073b2 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2749,7 +2749,7 @@ static int __devexit qe_udc_remove(struct of_device *ofdev)
}
/*-------------------------------------------------------------------------*/
-static struct of_device_id __devinitdata qe_udc_match[] = {
+static const struct of_device_id qe_udc_match[] __devinitconst = {
{
.compatible = "fsl,mpc8323-qe-usb",
.data = (void *)PORT_QE,
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index f2d270b202f2..e511fec9f26d 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -45,46 +45,18 @@
#define gadget_is_goku(g) 0
#endif
-/* SH3 UDC -- not yet ported 2.4 --> 2.6 */
-#ifdef CONFIG_USB_GADGET_SUPERH
-#define gadget_is_sh(g) !strcmp("sh_udc", (g)->name)
-#else
-#define gadget_is_sh(g) 0
-#endif
-
-/* not yet stable on 2.6 (would help "original Zaurus") */
-#ifdef CONFIG_USB_GADGET_SA1100
-#define gadget_is_sa1100(g) !strcmp("sa1100_udc", (g)->name)
-#else
-#define gadget_is_sa1100(g) 0
-#endif
-
#ifdef CONFIG_USB_GADGET_LH7A40X
#define gadget_is_lh7a40x(g) !strcmp("lh7a40x_udc", (g)->name)
#else
#define gadget_is_lh7a40x(g) 0
#endif
-/* handhelds.org tree (?) */
-#ifdef CONFIG_USB_GADGET_MQ11XX
-#define gadget_is_mq11xx(g) !strcmp("mq11xx_udc", (g)->name)
-#else
-#define gadget_is_mq11xx(g) 0
-#endif
-
#ifdef CONFIG_USB_GADGET_OMAP
#define gadget_is_omap(g) !strcmp("omap_udc", (g)->name)
#else
#define gadget_is_omap(g) 0
#endif
-/* not yet ported 2.4 --> 2.6 */
-#ifdef CONFIG_USB_GADGET_N9604
-#define gadget_is_n9604(g) !strcmp("n9604_udc", (g)->name)
-#else
-#define gadget_is_n9604(g) 0
-#endif
-
/* various unstable versions available */
#ifdef CONFIG_USB_GADGET_PXA27X
#define gadget_is_pxa27x(g) !strcmp("pxa27x_udc", (g)->name)
@@ -122,14 +94,6 @@
#define gadget_is_fsl_usb2(g) 0
#endif
-/* Mentor high speed function controller */
-/* from Montavista kernel (?) */
-#ifdef CONFIG_USB_GADGET_MUSBHSFC
-#define gadget_is_musbhsfc(g) !strcmp("musbhsfc_udc", (g)->name)
-#else
-#define gadget_is_musbhsfc(g) 0
-#endif
-
/* Mentor high speed "dual role" controller, in peripheral role */
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
#define gadget_is_musbhdrc(g) !strcmp("musb_hdrc", (g)->name)
@@ -143,13 +107,6 @@
#define gadget_is_langwell(g) 0
#endif
-/* from Montavista kernel (?) */
-#ifdef CONFIG_USB_GADGET_MPC8272
-#define gadget_is_mpc8272(g) !strcmp("mpc8272_udc", (g)->name)
-#else
-#define gadget_is_mpc8272(g) 0
-#endif
-
#ifdef CONFIG_USB_GADGET_M66592
#define gadget_is_m66592(g) !strcmp("m66592_udc", (g)->name)
#else
@@ -179,6 +136,12 @@
#define gadget_is_r8a66597(g) 0
#endif
+#ifdef CONFIG_USB_S3C_HSOTG
+#define gadget_is_s3c_hsotg(g) (!strcmp("s3c-hsotg", (g)->name))
+#else
+#define gadget_is_s3c_hsotg(g) 0
+#endif
+
/**
* usb_gadget_controller_number - support bcdDevice id convention
@@ -203,20 +166,12 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x02;
else if (gadget_is_pxa(gadget))
return 0x03;
- else if (gadget_is_sh(gadget))
- return 0x04;
- else if (gadget_is_sa1100(gadget))
- return 0x05;
else if (gadget_is_goku(gadget))
return 0x06;
- else if (gadget_is_mq11xx(gadget))
- return 0x07;
else if (gadget_is_omap(gadget))
return 0x08;
else if (gadget_is_lh7a40x(gadget))
return 0x09;
- else if (gadget_is_n9604(gadget))
- return 0x10;
else if (gadget_is_pxa27x(gadget))
return 0x11;
else if (gadget_is_s3c2410(gadget))
@@ -225,12 +180,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x13;
else if (gadget_is_imx(gadget))
return 0x14;
- else if (gadget_is_musbhsfc(gadget))
- return 0x15;
else if (gadget_is_musbhdrc(gadget))
return 0x16;
- else if (gadget_is_mpc8272(gadget))
- return 0x17;
else if (gadget_is_atmel_usba(gadget))
return 0x18;
else if (gadget_is_fsl_usb2(gadget))
@@ -247,6 +198,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
return 0x24;
else if (gadget_is_r8a66597(gadget))
return 0x25;
+ else if (gadget_is_s3c_hsotg(gadget))
+ return 0x26;
return -ENOENT;
}
@@ -265,10 +218,6 @@ static inline bool gadget_supports_altsettings(struct usb_gadget *gadget)
if (gadget_is_pxa27x(gadget))
return false;
- /* SH3 hardware just doesn't do altsettings */
- if (gadget_is_sh(gadget))
- return false;
-
/* Everything else is *presumably* fine ... */
return true;
}
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index d0b1e836f0e0..2b56ce621852 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -21,6 +21,7 @@
/* #define VERBOSE_DEBUG */
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/utsname.h>
#include <linux/device.h>
@@ -237,7 +238,7 @@ static const struct usb_interface_descriptor ac_interface_desc = {
};
/* B.3.2 Class-Specific AC Interface Descriptor */
-static const struct uac_ac_header_descriptor_1 ac_header_desc = {
+static const struct uac_ac_header_descriptor_v1_1 ac_header_desc = {
.bLength = UAC_DT_AC_HEADER_SIZE(1),
.bDescriptorType = USB_DT_CS_INTERFACE,
.bDescriptorSubtype = USB_MS_HEADER,
@@ -618,11 +619,6 @@ gmidi_set_config(struct gmidi_device *dev, unsigned number, gfp_t gfp_flags)
}
#endif
- if (gadget_is_sa1100(gadget) && dev->config) {
- /* tx fifo is full, but we can't clear it...*/
- ERROR(dev, "can't change configurations\n");
- return -ESPIPE;
- }
gmidi_reset_config(dev);
switch (number) {
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 112bb40a427c..1088d08c7ed8 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1768,7 +1768,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
* usb_gadget_driver_{register,unregister}() must change.
*/
if (the_controller) {
- WARNING(dev, "ignoring %s\n", pci_name(pdev));
+ pr_warning("ignoring %s\n", pci_name(pdev));
return -EBUSY;
}
if (!pdev->irq) {
@@ -1859,7 +1859,7 @@ done:
/*-------------------------------------------------------------------------*/
-static struct pci_device_id pci_ids [] = { {
+static const struct pci_device_id pci_ids[] = { {
.class = ((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
.class_mask = ~0,
.vendor = 0x102f, /* Toshiba */
diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index 01ee0b9bc957..e743122fcd93 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -29,6 +29,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/timer.h>
+#include <linux/slab.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index bf0f6520c6df..de8a83803505 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -194,7 +194,7 @@ enum ep_state {
};
struct ep_data {
- struct semaphore lock;
+ struct mutex lock;
enum ep_state state;
atomic_t count;
struct dev_data *dev;
@@ -298,10 +298,10 @@ get_ready_ep (unsigned f_flags, struct ep_data *epdata)
int val;
if (f_flags & O_NONBLOCK) {
- if (down_trylock (&epdata->lock) != 0)
+ if (!mutex_trylock(&epdata->lock))
goto nonblock;
if (epdata->state != STATE_EP_ENABLED) {
- up (&epdata->lock);
+ mutex_unlock(&epdata->lock);
nonblock:
val = -EAGAIN;
} else
@@ -309,7 +309,8 @@ nonblock:
return val;
}
- if ((val = down_interruptible (&epdata->lock)) < 0)
+ val = mutex_lock_interruptible(&epdata->lock);
+ if (val < 0)
return val;
switch (epdata->state) {
@@ -323,7 +324,7 @@ nonblock:
// FALLTHROUGH
case STATE_EP_UNBOUND: /* clean disconnect */
val = -ENODEV;
- up (&epdata->lock);
+ mutex_unlock(&epdata->lock);
}
return val;
}
@@ -393,7 +394,7 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
if (likely (data->ep != NULL))
usb_ep_set_halt (data->ep);
spin_unlock_irq (&data->dev->lock);
- up (&data->lock);
+ mutex_unlock(&data->lock);
return -EBADMSG;
}
@@ -411,7 +412,7 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
value = -EFAULT;
free1:
- up (&data->lock);
+ mutex_unlock(&data->lock);
kfree (kbuf);
return value;
}
@@ -436,7 +437,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
if (likely (data->ep != NULL))
usb_ep_set_halt (data->ep);
spin_unlock_irq (&data->dev->lock);
- up (&data->lock);
+ mutex_unlock(&data->lock);
return -EBADMSG;
}
@@ -455,7 +456,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
VDEBUG (data->dev, "%s write %zu IN, status %d\n",
data->name, len, (int) value);
free1:
- up (&data->lock);
+ mutex_unlock(&data->lock);
kfree (kbuf);
return value;
}
@@ -466,7 +467,8 @@ ep_release (struct inode *inode, struct file *fd)
struct ep_data *data = fd->private_data;
int value;
- if ((value = down_interruptible(&data->lock)) < 0)
+ value = mutex_lock_interruptible(&data->lock);
+ if (value < 0)
return value;
/* clean up if this can be reopened */
@@ -476,7 +478,7 @@ ep_release (struct inode *inode, struct file *fd)
data->hs_desc.bDescriptorType = 0;
usb_ep_disable(data->ep);
}
- up (&data->lock);
+ mutex_unlock(&data->lock);
put_ep (data);
return 0;
}
@@ -507,7 +509,7 @@ static long ep_ioctl(struct file *fd, unsigned code, unsigned long value)
} else
status = -ENODEV;
spin_unlock_irq (&data->dev->lock);
- up (&data->lock);
+ mutex_unlock(&data->lock);
return status;
}
@@ -673,7 +675,7 @@ fail:
value = -ENODEV;
spin_unlock_irq(&epdata->dev->lock);
- up(&epdata->lock);
+ mutex_unlock(&epdata->lock);
if (unlikely(value)) {
kfree(priv);
@@ -765,7 +767,8 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
u32 tag;
int value, length = len;
- if ((value = down_interruptible (&data->lock)) < 0)
+ value = mutex_lock_interruptible(&data->lock);
+ if (value < 0)
return value;
if (data->state != STATE_EP_READY) {
@@ -854,7 +857,7 @@ fail:
data->desc.bDescriptorType = 0;
data->hs_desc.bDescriptorType = 0;
}
- up (&data->lock);
+ mutex_unlock(&data->lock);
return value;
fail0:
value = -EINVAL;
@@ -870,7 +873,7 @@ ep_open (struct inode *inode, struct file *fd)
struct ep_data *data = inode->i_private;
int value = -EBUSY;
- if (down_interruptible (&data->lock) != 0)
+ if (mutex_lock_interruptible(&data->lock) != 0)
return -EINTR;
spin_lock_irq (&data->dev->lock);
if (data->dev->state == STATE_DEV_UNBOUND)
@@ -885,7 +888,7 @@ ep_open (struct inode *inode, struct file *fd)
DBG (data->dev, "%s state %d\n",
data->name, data->state);
spin_unlock_irq (&data->dev->lock);
- up (&data->lock);
+ mutex_unlock(&data->lock);
return value;
}
@@ -1631,7 +1634,7 @@ static int activate_ep_files (struct dev_data *dev)
if (!data)
goto enomem0;
data->state = STATE_EP_DISABLED;
- init_MUTEX (&data->lock);
+ mutex_init(&data->lock);
init_waitqueue_head (&data->wait);
strncpy (data->name, ep->name, sizeof (data->name) - 1);
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index 6cd3d54f5640..fded3fca793b 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -22,6 +22,7 @@
*/
#include <linux/platform_device.h>
+#include <linux/slab.h>
#include "lh7a40x_udc.h"
diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c
index a8c8543d1b08..166bf71fd348 100644
--- a/drivers/usb/gadget/m66592-udc.c
+++ b/drivers/usb/gadget/m66592-udc.c
@@ -25,6 +25,7 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/platform_device.h>
+#include <linux/slab.h>
#include <linux/err.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c
index 19619fbf20ac..705cc1f76327 100644
--- a/drivers/usb/gadget/mass_storage.c
+++ b/drivers/usb/gadget/mass_storage.c
@@ -135,6 +135,12 @@ FSG_MODULE_PARAMETERS(/* no prefix */, mod_data);
static unsigned long msg_registered = 0;
static void msg_cleanup(void);
+static int msg_thread_exits(struct fsg_common *common)
+{
+ msg_cleanup();
+ return 0;
+}
+
static int __init msg_do_config(struct usb_configuration *c)
{
struct fsg_common *common;
@@ -147,7 +153,7 @@ static int __init msg_do_config(struct usb_configuration *c)
}
fsg_config_from_params(&config, &mod_data);
- config.thread_exits = (void(*)(struct fsg_common*))&msg_cleanup;
+ config.thread_exits = msg_thread_exits;
common = fsg_common_init(0, c->cdev, &config);
if (IS_ERR(common))
return PTR_ERR(common);
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 429560100b10..a930d7fd7e7a 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -29,7 +29,7 @@
#if defined USB_ETH_RNDIS
# undef USB_ETH_RNDIS
#endif
-#ifdef CONFIG_USB_ETH_RNDIS
+#ifdef CONFIG_USB_G_MULTI_RNDIS
# define USB_ETH_RNDIS y
#endif
@@ -211,8 +211,6 @@ static int __init cdc_do_config(struct usb_configuration *c)
ret = fsg_add(c->cdev, c, fsg_common);
if (ret < 0)
return ret;
- if (ret < 0)
- return ret;
return 0;
}
diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c
new file mode 100644
index 000000000000..7d6b66a85724
--- /dev/null
+++ b/drivers/usb/gadget/nokia.c
@@ -0,0 +1,259 @@
+/*
+ * nokia.c -- Nokia Composite Gadget Driver
+ *
+ * Copyright (C) 2008-2010 Nokia Corporation
+ * Contact: Felipe Balbi <felipe.balbi@nokia.com>
+ *
+ * This gadget driver borrows from serial.c which is:
+ *
+ * Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com)
+ * Copyright (C) 2008 by David Brownell
+ * Copyright (C) 2008 by Nokia Corporation
+ *
+ * This software is distributed under the terms of the GNU General
+ * Public License ("GPL") as published by the Free Software Foundation,
+ * version 2 of that License.
+ */
+
+#include <linux/kernel.h>
+#include <linux/utsname.h>
+#include <linux/device.h>
+
+#include "u_serial.h"
+#include "u_ether.h"
+#include "u_phonet.h"
+#include "gadget_chips.h"
+
+/* Defines */
+
+#define NOKIA_VERSION_NUM 0x0211
+#define NOKIA_LONG_NAME "N900 (PC-Suite Mode)"
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module. So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+#include "u_serial.c"
+#include "f_acm.c"
+#include "f_ecm.c"
+#include "f_obex.c"
+#include "f_serial.c"
+#include "f_phonet.c"
+#include "u_ether.c"
+
+/*-------------------------------------------------------------------------*/
+
+#define NOKIA_VENDOR_ID 0x0421 /* Nokia */
+#define NOKIA_PRODUCT_ID 0x01c8 /* Nokia Gadget */
+
+/* string IDs are assigned dynamically */
+
+#define STRING_MANUFACTURER_IDX 0
+#define STRING_PRODUCT_IDX 1
+#define STRING_DESCRIPTION_IDX 2
+
+static char manufacturer_nokia[] = "Nokia";
+static const char product_nokia[] = NOKIA_LONG_NAME;
+static const char description_nokia[] = "PC-Suite Configuration";
+
+static struct usb_string strings_dev[] = {
+ [STRING_MANUFACTURER_IDX].s = manufacturer_nokia,
+ [STRING_PRODUCT_IDX].s = NOKIA_LONG_NAME,
+ [STRING_DESCRIPTION_IDX].s = description_nokia,
+ { } /* end of list */
+};
+
+static struct usb_gadget_strings stringtab_dev = {
+ .language = 0x0409, /* en-us */
+ .strings = strings_dev,
+};
+
+static struct usb_gadget_strings *dev_strings[] = {
+ &stringtab_dev,
+ NULL,
+};
+
+static struct usb_device_descriptor device_desc = {
+ .bLength = USB_DT_DEVICE_SIZE,
+ .bDescriptorType = USB_DT_DEVICE,
+ .bcdUSB = __constant_cpu_to_le16(0x0200),
+ .bDeviceClass = USB_CLASS_COMM,
+ .idVendor = __constant_cpu_to_le16(NOKIA_VENDOR_ID),
+ .idProduct = __constant_cpu_to_le16(NOKIA_PRODUCT_ID),
+ /* .iManufacturer = DYNAMIC */
+ /* .iProduct = DYNAMIC */
+ .bNumConfigurations = 1,
+};
+
+/*-------------------------------------------------------------------------*/
+
+/* Module */
+MODULE_DESCRIPTION("Nokia composite gadget driver for N900");
+MODULE_AUTHOR("Felipe Balbi");
+MODULE_LICENSE("GPL");
+
+/*-------------------------------------------------------------------------*/
+
+static u8 hostaddr[ETH_ALEN];
+
+static int __init nokia_bind_config(struct usb_configuration *c)
+{
+ int status = 0;
+
+ status = phonet_bind_config(c);
+ if (status)
+ printk(KERN_DEBUG "could not bind phonet config\n");
+
+ status = obex_bind_config(c, 0);
+ if (status)
+ printk(KERN_DEBUG "could not bind obex config %d\n", 0);
+
+ status = obex_bind_config(c, 1);
+ if (status)
+ printk(KERN_DEBUG "could not bind obex config %d\n", 0);
+
+ status = acm_bind_config(c, 2);
+ if (status)
+ printk(KERN_DEBUG "could not bind acm config\n");
+
+ status = ecm_bind_config(c, hostaddr);
+ if (status)
+ printk(KERN_DEBUG "could not bind ecm config\n");
+
+ return status;
+}
+
+static struct usb_configuration nokia_config_500ma_driver = {
+ .label = "Bus Powered",
+ .bind = nokia_bind_config,
+ .bConfigurationValue = 1,
+ /* .iConfiguration = DYNAMIC */
+ .bmAttributes = USB_CONFIG_ATT_ONE,
+ .bMaxPower = 250, /* 500mA */
+};
+
+static struct usb_configuration nokia_config_100ma_driver = {
+ .label = "Self Powered",
+ .bind = nokia_bind_config,
+ .bConfigurationValue = 2,
+ /* .iConfiguration = DYNAMIC */
+ .bmAttributes = USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
+ .bMaxPower = 50, /* 100 mA */
+};
+
+static int __init nokia_bind(struct usb_composite_dev *cdev)
+{
+ int gcnum;
+ struct usb_gadget *gadget = cdev->gadget;
+ int status;
+
+ status = gphonet_setup(cdev->gadget);
+ if (status < 0)
+ goto err_phonet;
+
+ status = gserial_setup(cdev->gadget, 3);
+ if (status < 0)
+ goto err_serial;
+
+ status = gether_setup(cdev->gadget, hostaddr);
+ if (status < 0)
+ goto err_ether;
+
+ status = usb_string_id(cdev);
+ if (status < 0)
+ goto err_usb;
+ strings_dev[STRING_MANUFACTURER_IDX].id = status;
+
+ device_desc.iManufacturer = status;
+
+ status = usb_string_id(cdev);
+ if (status < 0)
+ goto err_usb;
+ strings_dev[STRING_PRODUCT_IDX].id = status;
+
+ device_desc.iProduct = status;
+
+ /* config description */
+ status = usb_string_id(cdev);
+ if (status < 0)
+ goto err_usb;
+ strings_dev[STRING_DESCRIPTION_IDX].id = status;
+
+ nokia_config_500ma_driver.iConfiguration = status;
+ nokia_config_100ma_driver.iConfiguration = status;
+
+ /* set up other descriptors */
+ gcnum = usb_gadget_controller_number(gadget);
+ if (gcnum >= 0)
+ device_desc.bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM);
+ else {
+ /* this should only work with hw that supports altsettings
+ * and several endpoints, anything else, panic.
+ */
+ pr_err("nokia_bind: controller '%s' not recognized\n",
+ gadget->name);
+ goto err_usb;
+ }
+
+ /* finaly register the configuration */
+ status = usb_add_config(cdev, &nokia_config_500ma_driver);
+ if (status < 0)
+ goto err_usb;
+
+ status = usb_add_config(cdev, &nokia_config_100ma_driver);
+ if (status < 0)
+ goto err_usb;
+
+ dev_info(&gadget->dev, "%s\n", NOKIA_LONG_NAME);
+
+ return 0;
+
+err_usb:
+ gether_cleanup();
+err_ether:
+ gserial_cleanup();
+err_serial:
+ gphonet_cleanup();
+err_phonet:
+ return status;
+}
+
+static int __exit nokia_unbind(struct usb_composite_dev *cdev)
+{
+ gphonet_cleanup();
+ gserial_cleanup();
+ gether_cleanup();
+
+ return 0;
+}
+
+static struct usb_composite_driver nokia_driver = {
+ .name = "g_nokia",
+ .dev = &device_desc,
+ .strings = dev_strings,
+ .bind = nokia_bind,
+ .unbind = __exit_p(nokia_unbind),
+};
+
+static int __init nokia_init(void)
+{
+ return usb_composite_register(&nokia_driver);
+}
+module_init(nokia_init);
+
+static void __exit nokia_cleanup(void)
+{
+ usb_composite_unregister(&nokia_driver);
+}
+module_exit(nokia_cleanup);
+
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 2d867fd22413..6b8bf8c781c4 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -949,12 +949,6 @@ printer_set_config(struct printer_dev *dev, unsigned number)
int result = 0;
struct usb_gadget *gadget = dev->gadget;
- if (gadget_is_sa1100(gadget) && dev->config) {
- /* tx fifo is full, but we can't clear it...*/
- INFO(dev, "can't change configurations\n");
- return -ESPIPE;
- }
-
switch (number) {
case DEV_CONFIG_VALUE:
result = 0;
@@ -1033,12 +1027,6 @@ set_interface(struct printer_dev *dev, unsigned number)
{
int result = 0;
- if (gadget_is_sa1100(dev->gadget) && dev->interface < 0) {
- /* tx fifo is full, but we can't clear it...*/
- INFO(dev, "can't change interfaces\n");
- return -ESPIPE;
- }
-
/* Free the current interface */
switch (dev->interface) {
case PRINTER_INTERFACE:
@@ -1392,12 +1380,6 @@ printer_bind(struct usb_gadget *gadget)
goto fail;
}
- if (gadget_is_sa1100(gadget)) {
- /* hardware can't write zero length packets. */
- ERROR(dev, "SA1100 controller is unsupport by this driver\n");
- goto fail;
- }
-
gcnum = usb_gadget_controller_number(gadget);
if (gcnum >= 0) {
device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index e6fedbd5a654..be5fb34d9602 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -65,6 +65,10 @@
#include <mach/pxa25x-udc.h>
#endif
+#ifdef CONFIG_ARCH_LUBBOCK
+#include <mach/lubbock.h>
+#endif
+
#include <asm/mach/udc_pxa2xx.h>
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index adda1208a1ec..85b0d8921eae 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -31,6 +31,7 @@
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/gpio.h>
+#include <linux/slab.h>
#include <asm/byteorder.h>
#include <mach/hardware.h>
@@ -742,13 +743,17 @@ static void ep_del_request(struct pxa_ep *ep, struct pxa27x_request *req)
* @ep: pxa physical endpoint
* @req: pxa request
* @status: usb request status sent to gadget API
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
*
- * Context: ep->lock held
+ * Context: ep->lock held if flags not NULL, else ep->lock released
*
* Retire a pxa27x usb request. Endpoint must be locked.
*/
-static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status)
+static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status,
+ unsigned long *pflags)
{
+ unsigned long flags;
+
ep_del_request(ep, req);
if (likely(req->req.status == -EINPROGRESS))
req->req.status = status;
@@ -760,38 +765,48 @@ static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status)
&req->req, status,
req->req.actual, req->req.length);
+ if (pflags)
+ spin_unlock_irqrestore(&ep->lock, *pflags);
+ local_irq_save(flags);
req->req.complete(&req->udc_usb_ep->usb_ep, &req->req);
+ local_irq_restore(flags);
+ if (pflags)
+ spin_lock_irqsave(&ep->lock, *pflags);
}
/**
* ep_end_out_req - Ends endpoint OUT request
* @ep: physical endpoint
* @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
*
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
*
* Ends endpoint OUT request (completes usb request).
*/
-static void ep_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req,
+ unsigned long *pflags)
{
inc_ep_stats_reqs(ep, !USB_DIR_IN);
- req_done(ep, req, 0);
+ req_done(ep, req, 0, pflags);
}
/**
* ep0_end_out_req - Ends control endpoint OUT request (ends data stage)
* @ep: physical endpoint
* @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
*
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
*
* Ends control endpoint OUT request (completes usb request), and puts
* control endpoint into idle state
*/
-static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req,
+ unsigned long *pflags)
{
set_ep0state(ep->dev, OUT_STATUS_STAGE);
- ep_end_out_req(ep, req);
+ ep_end_out_req(ep, req, pflags);
ep0_idle(ep->dev);
}
@@ -799,31 +814,35 @@ static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
* ep_end_in_req - Ends endpoint IN request
* @ep: physical endpoint
* @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
*
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
*
* Ends endpoint IN request (completes usb request).
*/
-static void ep_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req,
+ unsigned long *pflags)
{
inc_ep_stats_reqs(ep, USB_DIR_IN);
- req_done(ep, req, 0);
+ req_done(ep, req, 0, pflags);
}
/**
* ep0_end_in_req - Ends control endpoint IN request (ends data stage)
* @ep: physical endpoint
* @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
*
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
*
* Ends control endpoint IN request (completes usb request), and puts
* control endpoint into status state
*/
-static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req,
+ unsigned long *pflags)
{
set_ep0state(ep->dev, IN_STATUS_STAGE);
- ep_end_in_req(ep, req);
+ ep_end_in_req(ep, req, pflags);
}
/**
@@ -831,19 +850,22 @@ static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
* @ep: pxa endpoint
* @status: usb request status
*
- * Context: ep->lock held
+ * Context: ep->lock released
*
* Dequeues all requests on an endpoint. As a side effect, interrupts will be
* disabled on that endpoint (because no more requests).
*/
static void nuke(struct pxa_ep *ep, int status)
{
- struct pxa27x_request *req;
+ struct pxa27x_request *req;
+ unsigned long flags;
+ spin_lock_irqsave(&ep->lock, flags);
while (!list_empty(&ep->queue)) {
req = list_entry(ep->queue.next, struct pxa27x_request, queue);
- req_done(ep, req, status);
+ req_done(ep, req, status, &flags);
}
+ spin_unlock_irqrestore(&ep->lock, flags);
}
/**
@@ -1123,6 +1145,7 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
int rc = 0;
int is_first_req;
unsigned length;
+ int recursion_detected;
req = container_of(_req, struct pxa27x_request, req);
udc_usb_ep = container_of(_ep, struct udc_usb_ep, usb_ep);
@@ -1152,6 +1175,7 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
return -EMSGSIZE;
spin_lock_irqsave(&ep->lock, flags);
+ recursion_detected = ep->in_handle_ep;
is_first_req = list_empty(&ep->queue);
ep_dbg(ep, "queue req %p(first=%s), len %d buf %p\n",
@@ -1161,12 +1185,12 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
if (!ep->enabled) {
_req->status = -ESHUTDOWN;
rc = -ESHUTDOWN;
- goto out;
+ goto out_locked;
}
if (req->in_use) {
ep_err(ep, "refusing to queue req %p (already queued)\n", req);
- goto out;
+ goto out_locked;
}
length = _req->length;
@@ -1174,12 +1198,13 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
_req->actual = 0;
ep_add_request(ep, req);
+ spin_unlock_irqrestore(&ep->lock, flags);
if (is_ep0(ep)) {
switch (dev->ep0state) {
case WAIT_ACK_SET_CONF_INTERF:
if (length == 0) {
- ep_end_in_req(ep, req);
+ ep_end_in_req(ep, req, NULL);
} else {
ep_err(ep, "got a request of %d bytes while"
"in state WAIT_ACK_SET_CONF_INTERF\n",
@@ -1192,12 +1217,12 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
case IN_DATA_STAGE:
if (!ep_is_full(ep))
if (write_ep0_fifo(ep, req))
- ep0_end_in_req(ep, req);
+ ep0_end_in_req(ep, req, NULL);
break;
case OUT_DATA_STAGE:
if ((length == 0) || !epout_has_pkt(ep))
if (read_ep0_fifo(ep, req))
- ep0_end_out_req(ep, req);
+ ep0_end_out_req(ep, req, NULL);
break;
default:
ep_err(ep, "odd state %s to send me a request\n",
@@ -1207,12 +1232,15 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
break;
}
} else {
- handle_ep(ep);
+ if (!recursion_detected)
+ handle_ep(ep);
}
out:
- spin_unlock_irqrestore(&ep->lock, flags);
return rc;
+out_locked:
+ spin_unlock_irqrestore(&ep->lock, flags);
+ goto out;
}
/**
@@ -1242,13 +1270,14 @@ static int pxa_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
/* make sure it's actually queued on this endpoint */
list_for_each_entry(req, &ep->queue, queue) {
if (&req->req == _req) {
- req_done(ep, req, -ECONNRESET);
rc = 0;
break;
}
}
spin_unlock_irqrestore(&ep->lock, flags);
+ if (!rc)
+ req_done(ep, req, -ECONNRESET, NULL);
return rc;
}
@@ -1445,7 +1474,6 @@ static int pxa_ep_disable(struct usb_ep *_ep)
{
struct pxa_ep *ep;
struct udc_usb_ep *udc_usb_ep;
- unsigned long flags;
if (!_ep)
return -EINVAL;
@@ -1455,10 +1483,8 @@ static int pxa_ep_disable(struct usb_ep *_ep)
if (!ep || is_ep0(ep) || !list_empty(&ep->queue))
return -EINVAL;
- spin_lock_irqsave(&ep->lock, flags);
ep->enabled = 0;
nuke(ep, -ESHUTDOWN);
- spin_unlock_irqrestore(&ep->lock, flags);
pxa_ep_fifo_flush(_ep);
udc_usb_ep->pxa_ep = NULL;
@@ -1907,8 +1933,10 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
} u;
int i;
int have_extrabytes = 0;
+ unsigned long flags;
nuke(ep, -EPROTO);
+ spin_lock_irqsave(&ep->lock, flags);
/*
* In the PXA320 manual, in the section about Back-to-Back setup
@@ -1947,10 +1975,13 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
/* Tell UDC to enter Data Stage */
ep_write_UDCCSR(ep, UDCCSR0_SA | UDCCSR0_OPC);
+ spin_unlock_irqrestore(&ep->lock, flags);
i = udc->driver->setup(&udc->gadget, &u.r);
+ spin_lock_irqsave(&ep->lock, flags);
if (i < 0)
goto stall;
out:
+ spin_unlock_irqrestore(&ep->lock, flags);
return;
stall:
ep_dbg(ep, "protocol STALL, udccsr0=%03x err %d\n",
@@ -2055,13 +2086,13 @@ static void handle_ep0(struct pxa_udc *udc, int fifo_irq, int opc_irq)
if (req && !ep_is_full(ep))
completed = write_ep0_fifo(ep, req);
if (completed)
- ep0_end_in_req(ep, req);
+ ep0_end_in_req(ep, req, NULL);
break;
case OUT_DATA_STAGE: /* SET_DESCRIPTOR */
if (epout_has_pkt(ep) && req)
completed = read_ep0_fifo(ep, req);
if (completed)
- ep0_end_out_req(ep, req);
+ ep0_end_out_req(ep, req, NULL);
break;
case STALL:
ep_write_UDCCSR(ep, UDCCSR0_FST);
@@ -2091,7 +2122,7 @@ static void handle_ep0(struct pxa_udc *udc, int fifo_irq, int opc_irq)
* Tries to transfer all pending request data into the endpoint and/or
* transfer all pending data in the endpoint into usb requests.
*
- * Is always called when in_interrupt() or with ep->lock held.
+ * Is always called when in_interrupt() and with ep->lock released.
*/
static void handle_ep(struct pxa_ep *ep)
{
@@ -2100,10 +2131,17 @@ static void handle_ep(struct pxa_ep *ep)
u32 udccsr;
int is_in = ep->dir_in;
int loop = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ep->lock, flags);
+ if (ep->in_handle_ep)
+ goto recursion_detected;
+ ep->in_handle_ep = 1;
do {
completed = 0;
udccsr = udc_ep_readl(ep, UDCCSR);
+
if (likely(!list_empty(&ep->queue)))
req = list_entry(ep->queue.next,
struct pxa27x_request, queue);
@@ -2122,15 +2160,22 @@ static void handle_ep(struct pxa_ep *ep)
if (unlikely(is_in)) {
if (likely(!ep_is_full(ep)))
completed = write_fifo(ep, req);
- if (completed)
- ep_end_in_req(ep, req);
} else {
if (likely(epout_has_pkt(ep)))
completed = read_fifo(ep, req);
- if (completed)
- ep_end_out_req(ep, req);
+ }
+
+ if (completed) {
+ if (is_in)
+ ep_end_in_req(ep, req, &flags);
+ else
+ ep_end_out_req(ep, req, &flags);
}
} while (completed);
+
+ ep->in_handle_ep = 0;
+recursion_detected:
+ spin_unlock_irqrestore(&ep->lock, flags);
}
/**
@@ -2218,9 +2263,13 @@ static void irq_handle_data(int irq, struct pxa_udc *udc)
continue;
udc_writel(udc, UDCISR0, UDCISR_INT(i, UDCISR_INT_MASK));
- ep = &udc->pxa_ep[i];
- ep->stats.irqs++;
- handle_ep(ep);
+
+ WARN_ON(i >= ARRAY_SIZE(udc->pxa_ep));
+ if (i < ARRAY_SIZE(udc->pxa_ep)) {
+ ep = &udc->pxa_ep[i];
+ ep->stats.irqs++;
+ handle_ep(ep);
+ }
}
for (i = 16; udcisr1 != 0 && i < 24; udcisr1 >>= 2, i++) {
@@ -2228,9 +2277,12 @@ static void irq_handle_data(int irq, struct pxa_udc *udc)
if (!(udcisr1 & UDCISR_INT_MASK))
continue;
- ep = &udc->pxa_ep[i];
- ep->stats.irqs++;
- handle_ep(ep);
+ WARN_ON(i >= ARRAY_SIZE(udc->pxa_ep));
+ if (i < ARRAY_SIZE(udc->pxa_ep)) {
+ ep = &udc->pxa_ep[i];
+ ep->stats.irqs++;
+ handle_ep(ep);
+ }
}
}
@@ -2439,7 +2491,7 @@ static int __init pxa_udc_probe(struct platform_device *pdev)
}
retval = -ENOMEM;
- udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ udc->regs = ioremap(regs->start, resource_size(regs));
if (!udc->regs) {
dev_err(&pdev->dev, "Unable to map UDC I/O memory\n");
goto err_map;
diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h
index e25225e26586..ff61e4866e8a 100644
--- a/drivers/usb/gadget/pxa27x_udc.h
+++ b/drivers/usb/gadget/pxa27x_udc.h
@@ -318,6 +318,11 @@ struct udc_usb_ep {
* @queue: requests queue
* @lock: lock to pxa_ep data (queues and stats)
* @enabled: true when endpoint enabled (not stopped by gadget layer)
+ * @in_handle_ep: number of recursions of handle_ep() function
+ * Prevents deadlocks or infinite recursions of types :
+ * irq->handle_ep()->req_done()->req.complete()->pxa_ep_queue()->handle_ep()
+ * or
+ * pxa_ep_queue()->handle_ep()->req_done()->req.complete()->pxa_ep_queue()
* @idx: endpoint index (1 => epA, 2 => epB, ..., 24 => epX)
* @name: endpoint name (for trace/debug purpose)
* @dir_in: 1 if IN endpoint, 0 if OUT endpoint
@@ -346,6 +351,7 @@ struct pxa_ep {
spinlock_t lock; /* Protects this structure */
/* (queues, stats) */
unsigned enabled:1;
+ unsigned in_handle_ep:1;
unsigned idx:5;
char *name;
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index e220fb8091a3..888d8f166c0b 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -26,6 +26,8 @@
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/slab.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index 48267bc0b2e0..5c0d06c79a81 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -28,6 +28,7 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/proc_fs.h>
+#include <linux/slab.h>
#include <linux/seq_file.h>
#include <linux/netdevice.h>
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 4b5dbd0127f5..124a8ccfdcda 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -22,6 +22,7 @@
#include <linux/seq_file.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/slab.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
@@ -30,7 +31,7 @@
#include <plat/regs-usb-hsotg-phy.h>
#include <plat/regs-usb-hsotg.h>
-#include <plat/regs-sys.h>
+#include <mach/regs-sys.h>
#include <plat/udc-hs.h>
#define DMA_ADDR_INVALID (~((dma_addr_t)0))
@@ -317,7 +318,8 @@ static void s3c_hsotg_init_fifo(struct s3c_hsotg *hsotg)
*
* Allocate a new USB request structure appropriate for the specified endpoint
*/
-struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, gfp_t flags)
+static struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep,
+ gfp_t flags)
{
struct s3c_hsotg_req *req;
@@ -373,7 +375,7 @@ static void s3c_hsotg_unmap_dma(struct s3c_hsotg *hsotg,
req->dma = DMA_ADDR_INVALID;
hs_req->mapped = 0;
} else {
- dma_sync_single(hsotg->dev, req->dma, req->length, dir);
+ dma_sync_single_for_cpu(hsotg->dev, req->dma, req->length, dir);
}
}
@@ -755,7 +757,7 @@ static int s3c_hsotg_map_dma(struct s3c_hsotg *hsotg,
hs_req->mapped = 1;
req->dma = dma;
} else {
- dma_sync_single(hsotg->dev, req->dma, req->length, dir);
+ dma_sync_single_for_cpu(hsotg->dev, req->dma, req->length, dir);
hs_req->mapped = 0;
}
@@ -1460,7 +1462,7 @@ static u32 s3c_hsotg_read_frameno(struct s3c_hsotg *hsotg)
* as the actual data should be sent to the memory directly and we turn
* on the completion interrupts to get notifications of transfer completion.
*/
-void s3c_hsotg_handle_rx(struct s3c_hsotg *hsotg)
+static void s3c_hsotg_handle_rx(struct s3c_hsotg *hsotg)
{
u32 grxstsr = readl(hsotg->regs + S3C_GRXSTSP);
u32 epnum, status, size;
@@ -2582,6 +2584,7 @@ err:
hsotg->gadget.dev.driver = NULL;
return ret;
}
+EXPORT_SYMBOL(usb_gadget_register_driver);
int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
{
@@ -3093,7 +3096,7 @@ static void s3c_hsotg_gate(struct platform_device *pdev, bool on)
local_irq_restore(flags);
}
-struct s3c_hsotg_plat s3c_hsotg_default_pdata;
+static struct s3c_hsotg_plat s3c_hsotg_default_pdata;
static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
{
diff --git a/drivers/usb/gadget/u_audio.c b/drivers/usb/gadget/u_audio.c
index 35e0930f5bbb..7a86d2c9109c 100644
--- a/drivers/usb/gadget/u_audio.c
+++ b/drivers/usb/gadget/u_audio.c
@@ -10,6 +10,7 @@
*/
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/ctype.h>
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 2fc02bd95848..07f4178ad178 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -23,6 +23,7 @@
/* #define VERBOSE_DEBUG */
#include <linux/kernel.h>
+#include <linux/gfp.h>
#include <linux/device.h>
#include <linux/ctype.h>
#include <linux/etherdevice.h>
@@ -746,6 +747,10 @@ static const struct net_device_ops eth_netdev_ops = {
.ndo_validate_addr = eth_validate_addr,
};
+static struct device_type gadget_type = {
+ .name = "gadget",
+};
+
/**
* gether_setup - initialize one ethernet-over-usb link
* @g: gadget to associated with these links
@@ -808,6 +813,7 @@ int __init gether_setup(struct usb_gadget *g, u8 ethaddr[ETH_ALEN])
dev->gadget = g;
SET_NETDEV_DEV(net, &g->dev);
+ SET_NETDEV_DEVTYPE(net, &gadget_type);
status = register_netdev(net);
if (status < 0) {
diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
index fd55f450bc0e..3c8c0c9f9d72 100644
--- a/drivers/usb/gadget/u_ether.h
+++ b/drivers/usb/gadget/u_ether.h
@@ -93,13 +93,6 @@ static inline bool can_support_ecm(struct usb_gadget *gadget)
if (!gadget_supports_altsettings(gadget))
return false;
- /* SA1100 can do ECM, *without* status endpoint ... but we'll
- * only use it in non-ECM mode for backwards compatibility
- * (and since we currently require a status endpoint)
- */
- if (gadget_is_sa1100(gadget))
- return false;
-
/* Everything else is *presumably* fine ... but this is a bit
* chancy, so be **CERTAIN** there are no hardware issues with
* your controller. Add it above if it can't handle CDC.
diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c
index adf8260c3a6a..16bdf77f582a 100644
--- a/drivers/usb/gadget/u_serial.c
+++ b/drivers/usb/gadget/u_serial.c
@@ -23,6 +23,7 @@
#include <linux/delay.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
+#include <linux/slab.h>
#include "u_serial.h"
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 2d772401b7ad..807280d069f9 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -50,6 +50,7 @@
/* #define VERBOSE_DEBUG */
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/utsname.h>
#include <linux/device.h>
@@ -297,12 +298,10 @@ static int __init zero_bind(struct usb_composite_dev *cdev)
*/
if (loopdefault) {
loopback_add(cdev, autoresume != 0);
- if (!gadget_is_sh(gadget))
- sourcesink_add(cdev, autoresume != 0);
+ sourcesink_add(cdev, autoresume != 0);
} else {
sourcesink_add(cdev, autoresume != 0);
- if (!gadget_is_sh(gadget))
- loopback_add(cdev, autoresume != 0);
+ loopback_add(cdev, autoresume != 0);
}
gcnum = usb_gadget_controller_number(gadget);