Re: [PATCH 4.19 26/72] usb: dwc3: gadget: use num_trbs when skipping TRBs on ->dequeue()

[Sasha Levin]

On Tue, Jul 02, 2019 at 10:01:27AM +0200, Greg Kroah-Hartman wrote:
> commit c3acd59014148470dc58519870fbc779785b4bf7 upstream
>
> Now that we track how many TRBs a request uses, it's easier to skip
> over them in case of a call to usb_ep_dequeue(). Let's do so and
> simplify the code a bit.
>
> Cc: Fei Yang <fei.yang@xxxxxxxxx>
> Cc: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
> Cc: Felipe Balbi <balbi@xxxxxxxxxx>
> Cc: linux-usb@xxxxxxxxxxxxxxx
> Cc: stable@xxxxxxxxxxxxxxx # 4.19.y
> Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
> (cherry picked from commit c3acd59014148470dc58519870fbc779785b4bf7)
> Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

This one has an upstream fix: c7152763f02e05567da27462b2277a554e507c89
("usb: dwc3: Reset num_trbs after skipping").

--
Thanks,
Sasha