linux-kernel - Re: [PATCH 4.19 26/72] usb: dwc3: gadget: use num

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Message-ID: <20190703020312.GS11506@sasha-vm>
Date:   Tue, 2 Jul 2019 22:03:12 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Fei Yang <fei.yang@...el.com>,
        Sam Protsenko <semen.protsenko@...aro.org>,
        Felipe Balbi <balbi@...nel.org>, linux-usb@...r.kernel.org,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        John Stultz <john.stultz@...aro.org>
Subject: Re: [PATCH 4.19 26/72] usb: dwc3: gadget: use num_trbs when skipping
 TRBs on ->dequeue()

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@...el.com>
>Cc: Sam Protsenko <semen.protsenko@...aro.org>
>Cc: Felipe Balbi <balbi@...nel.org>
>Cc: linux-usb@...r.kernel.org
>Cc: stable@...r.kernel.org # 4.19.y
>Signed-off-by: Felipe Balbi <felipe.balbi@...ux.intel.com>
>(cherry picked from commit c3acd59014148470dc58519870fbc779785b4bf7)
>Signed-off-by: John Stultz <john.stultz@...aro.org>
>Signed-off-by: Sasha Levin <sashal@...nel.org>

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

--
Thanks,
Sasha