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Commit 2b19a52c authored by Lukasz Majewski's avatar Lukasz Majewski Committed by Felipe Balbi
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usb: hsotg: samsung: Protect the udc_stop routine with spinlock 



Signed-off-by: default avatarLukasz Majewski <l.majewski@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 22258f49

drivers/usb/gadget/s3c-hsotg.c

+5 −0
Original line number Diff line number Diff line
@@ -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);