summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/pch_udc.c
diff options
context:
space:
mode:
authorFrederic Weisbecker <fweisbec@gmail.com>2013-05-02 17:37:49 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2013-05-02 17:54:19 +0200
commitc032862fba51a3ca504752d3a25186b324c5ce83 (patch)
tree955dc2ba4ab3df76ecc2bb780ee84aca04967e8d /drivers/usb/gadget/pch_udc.c
parentfda76e074c7737fc57855dd17c762e50ed526052 (diff)
parent8700c95adb033843fc163d112b9d21d4fda78018 (diff)
downloadlwn-c032862fba51a3ca504752d3a25186b324c5ce83.tar.gz
lwn-c032862fba51a3ca504752d3a25186b324c5ce83.zip
Merge commit '8700c95adb03' into timers/nohz
The full dynticks tree needs the latest RCU and sched upstream updates in order to fix some dependencies. Merge a common upstream merge point that has these updates. Conflicts: include/linux/perf_event.h kernel/rcutree.h kernel/rcutree_plugin.h Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'drivers/usb/gadget/pch_udc.c')
-rw-r--r--drivers/usb/gadget/pch_udc.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c
index a787a8ef672b..24174e1d1564 100644
--- a/drivers/usb/gadget/pch_udc.c
+++ b/drivers/usb/gadget/pch_udc.c
@@ -358,7 +358,6 @@ struct pch_udc_dev {
prot_stall:1,
irq_registered:1,
mem_region:1,
- registered:1,
suspended:1,
connected:1,
vbus_session:1,
@@ -1441,6 +1440,8 @@ static void pch_vbus_gpio_free(struct pch_udc_dev *dev)
*/
static void complete_req(struct pch_udc_ep *ep, struct pch_udc_request *req,
int status)
+ __releases(&dev->lock)
+ __acquires(&dev->lock)
{
struct pch_udc_dev *dev;
unsigned halted = ep->halted;
@@ -2382,6 +2383,8 @@ static void pch_udc_svc_control_in(struct pch_udc_dev *dev)
* @dev: Reference to the device structure
*/
static void pch_udc_svc_control_out(struct pch_udc_dev *dev)
+ __releases(&dev->lock)
+ __acquires(&dev->lock)
{
u32 stat;
int setup_supported;
@@ -2989,7 +2992,6 @@ static int pch_udc_start(struct usb_gadget *g,
driver->driver.bus = NULL;
dev->driver = driver;
- dev->gadget.dev.driver = &driver->driver;
/* get ready for ep0 traffic */
pch_udc_setup_ep0(dev);
@@ -3010,7 +3012,6 @@ static int pch_udc_stop(struct usb_gadget *g,
pch_udc_disable_interrupts(dev, UDC_DEVINT_MSK);
/* Assures that there are no pending requests with this driver */
- dev->gadget.dev.driver = NULL;
dev->driver = NULL;
dev->connected = 0;
@@ -3078,8 +3079,6 @@ static void pch_udc_remove(struct pci_dev *pdev)
pci_resource_len(pdev, PCH_UDC_PCI_BAR));
if (dev->active)
pci_disable_device(pdev);
- if (dev->registered)
- device_unregister(&dev->gadget.dev);
kfree(dev);
pci_set_drvdata(pdev, NULL);
}
@@ -3196,21 +3195,13 @@ static int pch_udc_probe(struct pci_dev *pdev,
if (retval)
goto finished;
- dev_set_name(&dev->gadget.dev, "gadget");
- dev->gadget.dev.parent = &pdev->dev;
- dev->gadget.dev.dma_mask = pdev->dev.dma_mask;
- dev->gadget.dev.release = gadget_release;
dev->gadget.name = KBUILD_MODNAME;
dev->gadget.max_speed = USB_SPEED_HIGH;
- retval = device_register(&dev->gadget.dev);
- if (retval)
- goto finished;
- dev->registered = 1;
-
/* Put the device in disconnected state till a driver is bound */
pch_udc_set_disconnect(dev);
- retval = usb_add_gadget_udc(&pdev->dev, &dev->gadget);
+ retval = usb_add_gadget_udc_release(&pdev->dev, &dev->gadget,
+ gadget_release);
if (retval)
goto finished;
return 0;