linux-kernel - Re: [PATCH] ARM: dts: imx51-zii-rdu1: limit usbh1 to full-speed

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Message-ID: <20180520123606.GU26863@dragon>
Date:   Sun, 20 May 2018 20:36:07 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Nikita Yushchenko <nikita.yoush@...entembedded.com>
Cc:     Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Chris Healy <cphealy@...il.com>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        Marco Franchi <marcofrk@...il.com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: imx51-zii-rdu1: limit usbh1 to full-speed

On Tue, May 15, 2018 at 11:45:02AM +0300, Nikita Yushchenko wrote:
> On RDU1, imx51 usbh1 interface is either not used, or used via external
> block that breaks USB2 signalling.
> 
> To keep things working if high-speed device gets connected to that
> block, use ChipIdea feature to limit port to full speed.
> 
> Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>

Applied, thanks.