linux-kernel - Re: [PATCH V7 1/2] soc: imx: Add SCU SoC info driver support

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Message-ID: <20190603123124.GB16651@dragon>
Date:   Mon, 3 Jun 2019 20:32:31 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Anson Huang <anson.huang@....com>
Cc:     "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "maxime.ripard@...tlin.com" <maxime.ripard@...tlin.com>,
        "olof@...om.net" <olof@...om.net>,
        "agross@...nel.org" <agross@...nel.org>,
        "horms+renesas@...ge.net.au" <horms+renesas@...ge.net.au>,
        "jagan@...rulasolutions.com" <jagan@...rulasolutions.com>,
        "bjorn.andersson@...aro.org" <bjorn.andersson@...aro.org>,
        Leonard Crestez <leonard.crestez@....com>,
        "dinguyen@...nel.org" <dinguyen@...nel.org>,
        "enric.balletbo@...labora.com" <enric.balletbo@...labora.com>,
        Abel Vesa <abel.vesa@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        "robh@...nel.org" <robh@...nel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH V7 1/2] soc: imx: Add SCU SoC info driver support

On Fri, May 24, 2019 at 01:52:36AM +0000, Anson Huang wrote:
> Add i.MX SCU SoC info driver to support i.MX8QXP SoC, introduce
> driver dependency into Kconfig as CONFIG_IMX_SCU must be
> selected to support i.MX SCU SoC driver, also need to use
> platform driver model to make sure IMX_SCU driver is probed
> before i.MX SCU SoC driver.
> 
> With this patch, SoC info can be read from sysfs:
> 
> i.mx8qxp-mek# cat /sys/devices/soc0/family
> Freescale i.MX
> 
> i.mx8qxp-mek# cat /sys/devices/soc0/soc_id
> 0x2
> 
> i.mx8qxp-mek# cat /sys/devices/soc0/machine
> Freescale i.MX8QXP MEK
> 
> i.mx8qxp-mek# cat /sys/devices/soc0/revision
> 1.1
> 
> Signed-off-by: Anson Huang <Anson.Huang@....com>
> Reviewed-by: Abel Vesa <abel.vesa@....com>
> Reviewed-by: Dong Aisheng <aisheng.dong@....com>

Applied, thanks.