diff options
Diffstat (limited to 'drivers/usb/gadget/udc/bcm63xx_udc.c')
| -rw-r--r-- | drivers/usb/gadget/udc/bcm63xx_udc.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c index 2235b8808700..c790918b337b 100644 --- a/drivers/usb/gadget/udc/bcm63xx_udc.c +++ b/drivers/usb/gadget/udc/bcm63xx_udc.c @@ -1836,8 +1836,7 @@ static int bcm63xx_udc_start(struct usb_gadget *gadget, * @gadget: USB slave device. * @driver: Driver for USB slave devices. */ -static int bcm63xx_udc_stop(struct usb_gadget *gadget, - struct usb_gadget_driver *driver) +static int bcm63xx_udc_stop(struct usb_gadget *gadget) { struct bcm63xx_udc *udc = gadget_to_udc(gadget); unsigned long flags; @@ -1963,7 +1962,7 @@ static irqreturn_t bcm63xx_udc_ctrl_isr(int irq, void *dev_id) { struct bcm63xx_udc *udc = dev_id; u32 stat; - bool disconnected = false; + bool disconnected = false, bus_reset = false; stat = usbd_readl(udc, USBD_EVENT_IRQ_STATUS_REG) & usbd_readl(udc, USBD_EVENT_IRQ_MASK_REG); @@ -1991,7 +1990,7 @@ static irqreturn_t bcm63xx_udc_ctrl_isr(int irq, void *dev_id) udc->ep0_req_reset = 1; schedule_work(&udc->ep0_wq); - disconnected = true; + bus_reset = true; } if (stat & BIT(USBD_EVENT_IRQ_SETUP)) { if (bcm63xx_update_link_speed(udc)) { @@ -2014,6 +2013,8 @@ static irqreturn_t bcm63xx_udc_ctrl_isr(int irq, void *dev_id) if (disconnected && udc->driver) udc->driver->disconnect(&udc->gadget); + else if (bus_reset && udc->driver) + usb_gadget_udc_reset(&udc->gadget, udc->driver); return IRQ_HANDLED; } @@ -2324,10 +2325,8 @@ static int bcm63xx_udc_probe(struct platform_device *pdev) int rc = -ENOMEM, i, irq; udc = devm_kzalloc(dev, sizeof(*udc), GFP_KERNEL); - if (!udc) { - dev_err(dev, "cannot allocate memory\n"); + if (!udc) return -ENOMEM; - } platform_set_drvdata(pdev, udc); udc->dev = dev; |