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Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/dummy_hcd.c24
-rw-r--r--drivers/usb/gadget/ether.c1
-rw-r--r--drivers/usb/gadget/file_storage.c52
-rw-r--r--drivers/usb/gadget/goku_udc.c1
-rw-r--r--drivers/usb/gadget/lh7a40x_udc.c1
-rw-r--r--drivers/usb/gadget/net2280.c1
-rw-r--r--drivers/usb/gadget/omap_udc.c13
-rw-r--r--drivers/usb/gadget/pxa2xx_udc.c1
-rw-r--r--drivers/usb/gadget/zero.c1
9 files changed, 44 insertions, 51 deletions
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 503201764f6..02106bebd5c 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -967,6 +967,7 @@ static int dummy_udc_resume (struct device *dev)
static struct device_driver dummy_udc_driver = {
.name = (char *) gadget_name,
+ .owner = THIS_MODULE,
.bus = &platform_bus_type,
.probe = dummy_udc_probe,
.remove = dummy_udc_remove,
@@ -1751,7 +1752,7 @@ static int dummy_hub_control (
return retval;
}
-static int dummy_hub_suspend (struct usb_hcd *hcd)
+static int dummy_bus_suspend (struct usb_hcd *hcd)
{
struct dummy *dum = hcd_to_dummy (hcd);
@@ -1762,7 +1763,7 @@ static int dummy_hub_suspend (struct usb_hcd *hcd)
return 0;
}
-static int dummy_hub_resume (struct usb_hcd *hcd)
+static int dummy_bus_resume (struct usb_hcd *hcd)
{
struct dummy *dum = hcd_to_dummy (hcd);
@@ -1894,8 +1895,8 @@ static const struct hc_driver dummy_hcd = {
.hub_status_data = dummy_hub_status,
.hub_control = dummy_hub_control,
- .hub_suspend = dummy_hub_suspend,
- .hub_resume = dummy_hub_resume,
+ .bus_suspend = dummy_bus_suspend,
+ .bus_resume = dummy_bus_resume,
};
static int dummy_hcd_probe (struct device *dev)
@@ -1936,13 +1937,6 @@ static int dummy_hcd_suspend (struct device *dev, pm_message_t state)
dev_dbg (dev, "%s\n", __FUNCTION__);
hcd = dev_get_drvdata (dev);
-#ifndef CONFIG_USB_SUSPEND
- /* Otherwise this would never happen */
- usb_lock_device (hcd->self.root_hub);
- dummy_hub_suspend (hcd);
- usb_unlock_device (hcd->self.root_hub);
-#endif
-
hcd->state = HC_STATE_SUSPENDED;
return 0;
}
@@ -1955,19 +1949,13 @@ static int dummy_hcd_resume (struct device *dev)
hcd = dev_get_drvdata (dev);
hcd->state = HC_STATE_RUNNING;
-#ifndef CONFIG_USB_SUSPEND
- /* Otherwise this would never happen */
- usb_lock_device (hcd->self.root_hub);
- dummy_hub_resume (hcd);
- usb_unlock_device (hcd->self.root_hub);
-#endif
-
usb_hcd_poll_rh_status (hcd);
return 0;
}
static struct device_driver dummy_hcd_driver = {
.name = (char *) driver_name,
+ .owner = THIS_MODULE,
.bus = &platform_bus_type,
.probe = dummy_hcd_probe,
.remove = dummy_hcd_remove,
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index f1024e804d5..8f402f85e1c 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -2533,6 +2533,7 @@ static struct usb_gadget_driver eth_driver = {
.driver = {
.name = (char *) shortname,
+ .owner = THIS_MODULE,
// .shutdown = ...
// .suspend = ...
// .resume = ...
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index a41d9d4baee..ea09aaa3cab 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -224,6 +224,7 @@
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/kthread.h>
#include <linux/limits.h>
#include <linux/list.h>
#include <linux/module.h>
@@ -669,7 +670,6 @@ struct fsg_dev {
wait_queue_head_t thread_wqh;
int thread_wakeup_needed;
struct completion thread_notifier;
- int thread_pid;
struct task_struct *thread_task;
sigset_t thread_signal_mask;
@@ -1084,7 +1084,6 @@ static void wakeup_thread(struct fsg_dev *fsg)
static void raise_exception(struct fsg_dev *fsg, enum fsg_state new_state)
{
unsigned long flags;
- struct task_struct *thread_task;
/* Do nothing if a higher-priority exception is already in progress.
* If a lower-or-equal priority exception is in progress, preempt it
@@ -1093,9 +1092,9 @@ static void raise_exception(struct fsg_dev *fsg, enum fsg_state new_state)
if (fsg->state <= new_state) {
fsg->exception_req_tag = fsg->ep0_req_tag;
fsg->state = new_state;
- thread_task = fsg->thread_task;
- if (thread_task)
- send_sig_info(SIGUSR1, SEND_SIG_FORCED, thread_task);
+ if (fsg->thread_task)
+ send_sig_info(SIGUSR1, SEND_SIG_FORCED,
+ fsg->thread_task);
}
spin_unlock_irqrestore(&fsg->lock, flags);
}
@@ -3383,11 +3382,6 @@ static int fsg_main_thread(void *fsg_)
{
struct fsg_dev *fsg = (struct fsg_dev *) fsg_;
- fsg->thread_task = current;
-
- /* Release all our userspace resources */
- daemonize("file-storage-gadget");
-
/* Allow the thread to be killed by a signal, but set the signal mask
* to block everything but INT, TERM, KILL, and USR1. */
siginitsetinv(&fsg->thread_signal_mask, sigmask(SIGINT) |
@@ -3400,9 +3394,6 @@ static int fsg_main_thread(void *fsg_)
* that expects a __user pointer and it will work okay. */
set_fs(get_ds());
- /* Wait for the gadget registration to finish up */
- wait_for_completion(&fsg->thread_notifier);
-
/* The main loop */
while (fsg->state != FSG_STATE_TERMINATED) {
if (exception_in_progress(fsg) || signal_pending(current)) {
@@ -3440,8 +3431,9 @@ static int fsg_main_thread(void *fsg_)
spin_unlock_irq(&fsg->lock);
}
+ spin_lock_irq(&fsg->lock);
fsg->thread_task = NULL;
- flush_signals(current);
+ spin_unlock_irq(&fsg->lock);
/* In case we are exiting because of a signal, unregister the
* gadget driver and close the backing file. */
@@ -3831,12 +3823,11 @@ static int __init fsg_bind(struct usb_gadget *gadget)
/* Create the LUNs, open their backing files, and register the
* LUN devices in sysfs. */
- fsg->luns = kmalloc(i * sizeof(struct lun), GFP_KERNEL);
+ fsg->luns = kzalloc(i * sizeof(struct lun), GFP_KERNEL);
if (!fsg->luns) {
rc = -ENOMEM;
goto out;
}
- memset(fsg->luns, 0, i * sizeof(struct lun));
fsg->nluns = i;
for (i = 0; i < fsg->nluns; ++i) {
@@ -3959,10 +3950,12 @@ static int __init fsg_bind(struct usb_gadget *gadget)
sprintf(&serial[i], "%02X", c);
}
- if ((rc = kernel_thread(fsg_main_thread, fsg, (CLONE_VM | CLONE_FS |
- CLONE_FILES))) < 0)
+ fsg->thread_task = kthread_create(fsg_main_thread, fsg,
+ "file-storage-gadget");
+ if (IS_ERR(fsg->thread_task)) {
+ rc = PTR_ERR(fsg->thread_task);
goto out;
- fsg->thread_pid = rc;
+ }
INFO(fsg, DRIVER_DESC ", version: " DRIVER_VERSION "\n");
INFO(fsg, "Number of LUNs=%d\n", fsg->nluns);
@@ -3994,7 +3987,12 @@ static int __init fsg_bind(struct usb_gadget *gadget)
DBG(fsg, "removable=%d, stall=%d, buflen=%u\n",
mod_data.removable, mod_data.can_stall,
mod_data.buflen);
- DBG(fsg, "I/O thread pid: %d\n", fsg->thread_pid);
+ DBG(fsg, "I/O thread pid: %d\n", fsg->thread_task->pid);
+
+ set_bit(REGISTERED, &fsg->atomic_bitflags);
+
+ /* Tell the thread to start working */
+ wake_up_process(fsg->thread_task);
return 0;
autoconf_fail:
@@ -4046,6 +4044,7 @@ static struct usb_gadget_driver fsg_driver = {
.driver = {
.name = (char *) shortname,
+ .owner = THIS_MODULE,
// .release = ...
// .suspend = ...
// .resume = ...
@@ -4057,10 +4056,9 @@ static int __init fsg_alloc(void)
{
struct fsg_dev *fsg;
- fsg = kmalloc(sizeof *fsg, GFP_KERNEL);
+ fsg = kzalloc(sizeof *fsg, GFP_KERNEL);
if (!fsg)
return -ENOMEM;
- memset(fsg, 0, sizeof *fsg);
spin_lock_init(&fsg->lock);
init_rwsem(&fsg->filesem);
init_waitqueue_head(&fsg->thread_wqh);
@@ -4086,15 +4084,9 @@ static int __init fsg_init(void)
if ((rc = fsg_alloc()) != 0)
return rc;
fsg = the_fsg;
- if ((rc = usb_gadget_register_driver(&fsg_driver)) != 0) {
+ if ((rc = usb_gadget_register_driver(&fsg_driver)) != 0)
fsg_free(fsg);
- return rc;
- }
- set_bit(REGISTERED, &fsg->atomic_bitflags);
-
- /* Tell the thread to start working */
- complete(&fsg->thread_notifier);
- return 0;
+ return rc;
}
module_init(fsg_init);
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index b0f3cd63e3b..654469778ab 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1970,6 +1970,7 @@ MODULE_DEVICE_TABLE (pci, pci_ids);
static struct pci_driver goku_pci_driver = {
.name = (char *) driver_name,
.id_table = pci_ids,
+ .owner = THIS_MODULE,
.probe = goku_probe,
.remove = goku_remove,
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index 012d1e5f152..9b3673904da 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -2140,6 +2140,7 @@ static int lh7a40x_udc_remove(struct device *_dev)
static struct device_driver udc_driver = {
.name = (char *)driver_name,
+ .owner = THIS_MODULE,
.bus = &platform_bus_type,
.probe = lh7a40x_udc_probe,
.remove = lh7a40x_udc_remove
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index c32e1f7476d..0dc6bb00bf7 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2948,6 +2948,7 @@ MODULE_DEVICE_TABLE (pci, pci_ids);
static struct pci_driver net2280_pci_driver = {
.name = (char *) driver_name,
.id_table = pci_ids,
+ .owner = THIS_MODULE,
.probe = net2280_probe,
.remove = net2280_remove,
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index b7885dc0f42..41c96b0afbb 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -691,7 +691,7 @@ static void next_out_dma(struct omap_ep *ep, struct omap_req *req)
}
static void
-finish_out_dma(struct omap_ep *ep, struct omap_req *req, int status)
+finish_out_dma(struct omap_ep *ep, struct omap_req *req, int status, int one)
{
u16 count;
@@ -699,6 +699,8 @@ finish_out_dma(struct omap_ep *ep, struct omap_req *req, int status)
ep->dma_counter = (u16) (req->req.dma + req->req.actual);
count = dma_dest_len(ep, req->req.dma + req->req.actual);
count += req->req.actual;
+ if (one)
+ count--;
if (count <= req->req.length)
req->req.actual = count;
@@ -747,7 +749,7 @@ static void dma_irq(struct omap_udc *udc, u16 irq_src)
if (!list_empty(&ep->queue)) {
req = container_of(ep->queue.next,
struct omap_req, queue);
- finish_out_dma(ep, req, 0);
+ finish_out_dma(ep, req, 0, dman_stat & UDC_DMA_RX_SB);
}
UDC_IRQ_SRC_REG = UDC_RXN_EOT;
@@ -925,7 +927,7 @@ static void dma_channel_release(struct omap_ep *ep)
while (UDC_RXDMA_CFG_REG & mask)
udelay(10);
if (req)
- finish_out_dma(ep, req, -ECONNRESET);
+ finish_out_dma(ep, req, -ECONNRESET, 0);
}
omap_free_dma(ep->lch);
ep->dma_channel = 0;
@@ -1786,8 +1788,12 @@ static void devstate_irq(struct omap_udc *udc, u16 irq_src)
udc->driver->suspend(&udc->gadget);
spin_lock(&udc->lock);
}
+ if (udc->transceiver)
+ otg_set_suspend(udc->transceiver, 1);
} else {
VDBG("resume\n");
+ if (udc->transceiver)
+ otg_set_suspend(udc->transceiver, 0);
if (udc->gadget.speed == USB_SPEED_FULL
&& udc->driver->resume) {
spin_unlock(&udc->lock);
@@ -2943,6 +2949,7 @@ static int omap_udc_resume(struct device *dev)
static struct device_driver udc_driver = {
.name = (char *) driver_name,
+ .owner = THIS_MODULE,
.bus = &platform_bus_type,
.probe = omap_udc_probe,
.remove = __exit_p(omap_udc_remove),
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index 647028590b2..f83a9262f95 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -2631,6 +2631,7 @@ static int pxa2xx_udc_resume(struct device *dev)
static struct device_driver udc_driver = {
.name = "pxa2xx-udc",
+ .owner = THIS_MODULE,
.bus = &platform_bus_type,
.probe = pxa2xx_udc_probe,
.shutdown = pxa2xx_udc_shutdown,
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index ec9c424f1d9..6c58636e914 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -1302,6 +1302,7 @@ static struct usb_gadget_driver zero_driver = {
.driver = {
.name = (char *) shortname,
+ .owner = THIS_MODULE,
// .shutdown = ...
// .suspend = ...
// .resume = ...
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-10 10:49:14 +0000