diff options
| author | Lukasz Majewski <l.majewski@samsung.com> | 2012-06-14 10:02:25 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-06-15 13:37:50 +0200 |
| commit | 2b19a52cc8a31ede990323d46a7faeeeba76bb8f (patch) | |
| tree | 18ab359eb637516306b7a23e360285f27ca5bc0d | |
| parent | usb: hsotg: samsung: Replace endpoint specific locks with a global lock (diff) | |
| download | linux-2b19a52cc8a31ede990323d46a7faeeeba76bb8f.tar.xz linux-2b19a52cc8a31ede990323d46a7faeeeba76bb8f.zip | |
usb: hsotg: samsung: Protect the udc_stop routine with spinlock
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
| -rw-r--r-- | drivers/usb/gadget/s3c-hsotg.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index b10791282f15..ee1fe2b8b07f 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -2988,6 +2988,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget, struct usb_gadget_driver *driver) { struct s3c_hsotg *hsotg = to_hsotg(gadget); + unsigned long flags = 0; int ep; if (!hsotg) @@ -3000,6 +3001,8 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget, for (ep = 0; ep < hsotg->num_of_eps; ep++) s3c_hsotg_ep_disable(&hsotg->eps[ep].ep); + spin_lock_irqsave(&hsotg->lock, flags); + s3c_hsotg_phy_disable(hsotg); regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); @@ -3007,6 +3010,8 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget, hsotg->gadget.speed = USB_SPEED_UNKNOWN; hsotg->gadget.dev.driver = NULL; + spin_unlock_irqrestore(&hsotg->lock, flags); + dev_info(hsotg->dev, "unregistered gadget driver '%s'\n", driver->driver.name); |