diff options
| -rw-r--r-- | drivers/usb/gadget/langwell_udc.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index 7359dd0ef6d..f9d8bdab22f 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -2606,8 +2606,9 @@ done: /* port change detect interrupt handler */ static void handle_port_change(struct langwell_udc *dev) { - u32 portsc1, devlc; - u32 speed; + u32 portsc1, devlc; + u32 speed; + unsigned long event = 0; dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); @@ -2626,12 +2627,15 @@ static void handle_port_change(struct langwell_udc *dev) switch (speed) { case LPM_SPEED_HIGH: dev->gadget.speed = USB_SPEED_HIGH; + event = MID_OTG_NOTIFY_CLIENTHS; break; case LPM_SPEED_FULL: dev->gadget.speed = USB_SPEED_FULL; + event = MID_OTG_NOTIFY_CLIENTFS; break; case LPM_SPEED_LOW: dev->gadget.speed = USB_SPEED_LOW; + event = MID_OTG_NOTIFY_CLIENTFS; break; default: dev->gadget.speed = USB_SPEED_UNKNOWN; @@ -2640,6 +2644,10 @@ static void handle_port_change(struct langwell_udc *dev) dev_vdbg(&dev->pdev->dev, "speed = %d, dev->gadget.speed = %d\n", speed, dev->gadget.speed); + + if (event && dev->iotg) + atomic_notifier_call_chain(&dev->iotg->iotg_notifier, + event, dev->iotg); } /* LPM L0 to L1 */ @@ -2743,6 +2751,10 @@ static void handle_usb_reset(struct langwell_udc *dev) dev->usb_state = USB_STATE_ATTACHED; } + if (dev->iotg) + atomic_notifier_call_chain(&dev->iotg->iotg_notifier, + MID_OTG_NOTIFY_CLIENTFS, dev->iotg); + dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); } |