linux-kernel - Re: [PATCH v3] ARM: dts: imx51-zii-rdu1: fix touchscreen pinctrl

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Date:   Wed, 20 Jun 2018 17:31:52 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Nick Dyer <nick@...anahar.org>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Andrey Smirnov <andrew.smirnov@...il.com>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Chris Healy <cphealy@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH v3] ARM: dts: imx51-zii-rdu1: fix touchscreen pinctrl

On Wed, Jun 20, 2018 at 5:20 PM, Nick Dyer <nick@...anahar.org> wrote:
> The pinctrl settings were incorrect for the touchscreen interrupt line, causing
> an interrupt storm. This change has been tested with both the atmel_mxt_ts and
> RMI4 drivers on the RDU1 units.
>
> The value 0x4 comes from the value of register IOMUXC_SW_PAD_CTL_PAD_CSI1_D8
> from the old vendor kernel.
>
> Signed-off-by: Nick Dyer <nick@...anahar.org>
> Fixes: ceef0396f367 ("ARM: dts: imx: add ZII RDU1 board")
> Cc: <stable@...r.kernel.org> # 4.15+

Reviewed-by: Fabio Estevam <fabio.estevam@....com>