Gadget must be informed about disconnection when pullup is removed.
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@xxxxxxxxx>
---
drivers/usb/gadget/udc/net2280.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index e499d14..e50bad6 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -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;
--
2.3.3
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