From: Shawn Guo <shawnguo@kernel.org>
To: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: Re: [PATCH 1/1] arm64: dts: imx8mm-tqma8mqml-mba8mx: Fix USB DR
Date: Sat, 29 Oct 2022 08:52:13 +0800 [thread overview]
Message-ID: <20221029005213.GD125525@dragon> (raw)
In-Reply-To: <5614294.DvuYhMxLoT@steina-w>
On Mon, Oct 24, 2022 at 10:15:28AM +0200, Alexander Stein wrote:
> Hello Shawn,
>
> Am Montag, 24. Oktober 2022, 03:31:23 CEST schrieb Shawn Guo:
> > On Mon, Sep 26, 2022 at 01:26:22PM +0200, Alexander Stein wrote:
> > > extcon does not work somehow, so switch to usb-role-switch instead.
> >
> > So extcon was added without testing?
>
> It had been tested, but apparently only the USB Host case :( extcon itself
> does work and detects ID pin correctly. Cable states switch when a USB device
> (mass storage) is attached and removed, thus mass storage is detect and
> usable.
> But unfortunately this is not the case for USB device using g_serial udc
> driver. IMHO this seems to be a problem within chipidea usb driver.
> Using usb-role-switch instead, both USB host and USB device do work.
Thanks for the clarification! Could you improve the commit log a bit
with these information?
Shawn
prev parent reply other threads:[~2022-10-29 0:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-26 11:26 [PATCH 1/1] arm64: dts: imx8mm-tqma8mqml-mba8mx: Fix USB DR Alexander Stein
2022-10-24 1:31 ` Shawn Guo
2022-10-24 8:15 ` Alexander Stein
2022-10-29 0:52 ` Shawn Guo [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20221029005213.GD125525@dragon \
--to=shawnguo@kernel.org \
--cc=alexander.stein@ew.tq-group.com \
--cc=devicetree@vger.kernel.org \
--cc=festevam@gmail.com \
--cc=kernel@pengutronix.de \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=robh+dt@kernel.org \
--cc=s.hauer@pengutronix.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).