Re: [PATCH 2/2] usb: dwc3: pci add property to allow user space role switch

[Shah, Nehal-bakulchandra]

On 8/24/2021 9:47 PM, Felipe Balbi wrote:
> "Shah, Nehal-bakulchandra" <nehal-bakulchandra.shah@xxxxxxx> writes:
>
> > Hi
> > On 8/24/2021 1:49 PM, Felipe Balbi wrote:
> > > Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@xxxxxxx> writes:
> > >
> > > > For AMD platform there is a requirement to enable user space role
> > > > switch from host to device and device to host by means of running
> > > > following commands.
> > > >
> > > > HOST:   echo host > /sys/class/usb_role/dwc3.0.auto-role-switch/role
> > > > DEVICE: echo device > /sys/class/usb_role/dwc3.0.auto-role-switch/role
> > > A more important question that needs to be answered: why?
> > Our customer platform is not completely capable of OTG i.e with type C
> > controller it does not have PD to support role switching. Hence, they
> > have script which triggers the role switch based on ACPI/EC interrupt.
>
> sounds like some generalized version of this text should be added to
> commit log.
Sure i will resubmit this patch with this description should be ok?

Nehal