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Commit 11bece5e authored by Mian Yousaf Kaukab's avatar Mian Yousaf Kaukab Committed by Felipe Balbi
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usb: gadget: net2280: fix pullup handling 



Gadget must be informed about disconnection when pullup is removed.

Tested-by: default avatarRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: default avatarMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 971fe656

drivers/usb/gadget/udc/net2280.c

+11 −5
Original line number Diff line number Diff line
@@ -124,6 +124,9 @@ static char *type_string(u8 bmAttributes) 
#define dma_done_ie	cpu_to_le32(BIT(DMA_DONE_INTERRUPT_ENABLE))



static void ep_clear_seqnum(struct net2280_ep *ep);

static void stop_activity(struct net2280 *dev,

					struct usb_gadget_driver *driver);

static void ep0_start(struct net2280 *dev);



/*-------------------------------------------------------------------------*/

static inline void enable_pciirqenb(struct net2280_ep *ep)
@@ -1495,11 +1498,14 @@ static int net2280_pullup(struct usb_gadget *_gadget, int is_on) 
	spin_lock_irqsave(&dev->lock, flags);

	tmp = readl(&dev->usb->usbctl);

	dev->softconnect = (is_on != 0);

	if (is_on)

		tmp |= BIT(USB_DETECT_ENABLE);

	else

		tmp &= ~BIT(USB_DETECT_ENABLE);

	writel(tmp, &dev->usb->usbctl);

	if (is_on) {

		ep0_start(dev);

		writel(tmp | BIT(USB_DETECT_ENABLE), &dev->usb->usbctl);

	} else {

		writel(tmp & ~BIT(USB_DETECT_ENABLE), &dev->usb->usbctl);

		stop_activity(dev, dev->driver);

	}



	spin_unlock_irqrestore(&dev->lock, flags);



	return 0;