diff options
| -rw-r--r-- | drivers/usb/gadget/udc/atmel_usba_udc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 55c8dde67f83..bc3a53264c43 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -1612,12 +1612,14 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) spin_lock(&udc->lock); - status = usba_readl(udc, INT_STA); + status = usba_readl(udc, INT_STA) & usba_readl(udc, INT_ENB); DBG(DBG_INT, "irq, status=%#08x\n", status); if (status & USBA_DET_SUSPEND) { toggle_bias(udc, 0); usba_writel(udc, INT_CLR, USBA_DET_SUSPEND); + usba_writel(udc, INT_ENB, + usba_readl(udc, INT_ENB) | USBA_WAKE_UP); udc->bias_pulse_needed = true; DBG(DBG_BUS, "Suspend detected\n"); if (udc->gadget.speed != USB_SPEED_UNKNOWN @@ -1631,6 +1633,8 @@ static irqreturn_t usba_udc_irq(int irq, void *devid) if (status & USBA_WAKE_UP) { toggle_bias(udc, 1); usba_writel(udc, INT_CLR, USBA_WAKE_UP); + usba_writel(udc, INT_ENB, + usba_readl(udc, INT_ENB) & ~USBA_WAKE_UP); DBG(DBG_BUS, "Wake Up CPU detected\n"); } |