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Subject: Re: [BUG]: usb: dwc3: gadget: Prevent EP queuing while stopping transfers
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From:   "H. Nikolaus Schaller" <hns@goldelico.com>
In-Reply-To: <YGmOiV7yiQtdaXqD@kroah.com>
Date:   Sun, 4 Apr 2021 12:48:53 +0200
Cc:     Wesley Cheng <wcheng@codeaurora.org>,
        Felipe Balbi <balbi@kernel.org>, stable@vger.kernel.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux-OMAP <linux-omap@vger.kernel.org>,
        kernel@pyra-handheld.com,
        Discussions about the Letux Kernel 
        <letux-kernel@openphoenux.org>, linux-usb@vger.kernel.org
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References: <DF98BCBA-E13B-4E33-98AD-216816625F3B@goldelico.com> <YGmOiV7yiQtdaXqD@kroah.com>
To:     Greg KH <gregkh@linuxfoundation.org>
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> Am 04.04.2021 um 12:01 schrieb Greg KH <gregkh@linuxfoundation.org>:
>=20
> On Sun, Apr 04, 2021 at 11:29:00AM +0200, H. Nikolaus Schaller wrote:
>> it seems as if the patch
>>=20
>> 	9de499997c37 ("usb: dwc3: gadget: Prevent EP queuing while =
stopping transfers") in v5.11.y
>> 	f09ddcfcb8c5 ("usb: dwc3: gadget: Prevent EP queuing while =
stopping transfers") in v5.12-rc5
>>=20
>> reproducible breaks dwc3 RNDIS gadget, at least on the Pyra Handheld =
(OMAP5).
>>=20
>> The symptom of having this patch in tree (v5.11.10 or v5.12) is that
>> rndis/gadget initially works after boot.
>=20
> Should be fixed now by 5aef629704ad ("usb: dwc3: gadget: Clear DEP =
flags
> after stop transfers in ep disable").  Can you test and verify this?

Yes it works. I was no longer able to reproduce the console log.

Thanks for the quick response!

BR,
Nikolaus Schaller