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usb: dwc2: gadget: fix gadget unregistration in udc_stop() function 

udc_stop() should clear ->driver pointer unconditionally to let the UDC
framework to work correctly with both registering/unregistering gadgets
and enabling/disabling gadgets by writing to
/sys/class/udc/*hsotg/soft_connect interface.

Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Marek Szyprowski 2014-10-20 12:45:33 +02:00 committed by Felipe Balbi
parent fd4850cfd4
commit 32805c350b
1 changed files with 1 additions and 3 deletions
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4
drivers/usb/dwc2/gadget.c
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@ -2937,9 +2937,7 @@ static int s3c_hsotg_udc_stop(struct usb_gadget *gadget,
spin_lock_irqsave(&hsotg->lock, flags);
if (!driver)
hsotg->driver = NULL;
hsotg->driver = NULL;
hsotg->gadget.speed = USB_SPEED_UNKNOWN;
spin_unlock_irqrestore(&hsotg->lock, flags);