Re: [PATCH v4] usb: dwc3: Wait for control tranfer completed when stopping gadget

Hi, On 17 October 2016 at 19:53, Felipe Balbi wrote: > > Hi, > > Baolin Wang writes: >>> Baolin Wang writes: When we change the USB function with configfs dynamically, we possibly met this situation: one core is

Re: [PATCH v4] usb: dwc3: Wait for control tranfer completed when stopping gadget

Hi, Baolin Wang writes: >> Baolin Wang writes: >>> 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

Re: [PATCH v4] usb: dwc3: Wait for control tranfer completed when stopping gadget

Hi, On 17 October 2016 at 18:10, Felipe Balbi wrote: > > Hi, > > Baolin Wang writes: >> 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

Re: [PATCH v4] usb: dwc3: Wait for control tranfer completed when stopping gadget

Hi, Baolin Wang writes: > 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 >

[PATCH v4] usb: dwc3: Wait for control tranfer completed when stopping gadget

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