From: Lucas Stach <l.stach@pengutronix.de>
To: Andrey Smirnov <andrew.smirnov@gmail.com>,
linux-arm-kernel@lists.infradead.org
Cc: Fabio Estevam <festevam@gmail.com>,
Shawn Guo <shawnguo@kernel.org>,
linux-kernel@vger.kernel.org, Chris Healy <cphealy@gmail.com>
Subject: Re: [PATCH 3/3] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed
Date: Wed, 29 May 2019 10:27:40 +0200 [thread overview]
Message-ID: <1559118460.4039.19.camel@pengutronix.de> (raw)
In-Reply-To: <20190529071843.24767-3-andrew.smirnov@gmail.com>
Am Mittwoch, den 29.05.2019, 00:18 -0700 schrieb Andrey Smirnov:
> Cabling used to connect devices to USBH1 on RDU2 does not meet USB
> spec cable quality and cable length requirements to operate at High
> Speed, so limit the port to Full Speed only.
>
> > Reported-by: Chris Healy <cphealy@gmail.com>
> > Reviewed-by: Chris Healy <cphealy@gmail.com>
> > Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> > Cc: Shawn Guo <shawnguo@kernel.org>
> > Cc: Fabio Estevam <festevam@gmail.com>
> > Cc: Lucas Stach <l.stach@pengutronix.de>
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
> ---
> arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> index 04d4d4d7e43c..e1d8478884f9 100644
> --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
> @@ -805,6 +805,7 @@
> &usbh1 {
> > vbus-supply = <®_5p0v_main>;
> > disable-over-current;
> > + maximum-speed = "full-speed";
> > status = "okay";
> };
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-05-29 8:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-29 7:18 [PATCH 1/3] ARM: dts: imx6: rdu2: Add node for UCS1002 USB charger chip Andrey Smirnov
2019-05-29 7:18 ` [PATCH 2/3] ARM: dts: imx6: rdu2: Disable WP for USDHC2 and USDHC3 Andrey Smirnov
2019-05-29 8:27 ` Lucas Stach
2019-05-29 7:18 ` [PATCH 3/3] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Andrey Smirnov
2019-05-29 8:27 ` Lucas Stach [this message]
2019-05-29 7:22 ` [PATCH 1/3] ARM: dts: imx6: rdu2: Add node for UCS1002 USB charger chip Andrey Smirnov
2019-05-29 8:27 ` Lucas Stach
-- strict thread matches above, loose matches on Subject: below --
2019-05-22 7:12 Andrey Smirnov
2019-05-22 7:12 ` [PATCH 3/3] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Andrey Smirnov
2019-05-22 9:33 ` Lucas Stach
2019-05-22 17:56 ` Andrey Smirnov
2019-05-22 18:10 ` Chris Healy
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=1559118460.4039.19.camel@pengutronix.de \
--to=l.stach@pengutronix.de \
--cc=andrew.smirnov@gmail.com \
--cc=cphealy@gmail.com \
--cc=festevam@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=shawnguo@kernel.org \
/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).