Hi Felipe,
On 19 September 2016 at 17:58, Felipe Balbi wrote:
>
> Hi,
>
> Baolin Wang writes:
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 1a33308..c9026ce 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1441,6 +1441
Hi,
Baolin Wang writes:
>>> diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
>>> index 1a33308..c9026ce 100644
>>> --- a/drivers/usb/dwc3/gadget.c
>>> +++ b/drivers/usb/dwc3/gadget.c
>>> @@ -1441,6 +1441,15 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc,
>>> int is_on, in
Hi Felipe,
On 9 September 2016 at 19:03, Felipe Balbi wrote:
>
> Hi,
>
> Baolin Wang writes:
>> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
>> index 057739d..22787b6 100644
>> --- a/drivers/usb/dwc3/core.c
>> +++ b/drivers/usb/dwc3/core.c
>> @@ -999,6 +999,7 @@ static int dwc3
Hi,
Baolin Wang writes:
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index 057739d..22787b6 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -999,6 +999,7 @@ static int dwc3_probe(struct platform_device *pdev)
> goto err0;
>
>
When we change the USB function with configfs dynamically, we possibly met this
situation: one core is doing the control transfer, another core is trying to
unregister the USB gadget from userspace, we must wait for completing this
control tranfer, or it will hang the controller to set the DEVCTRLH
