linux-kernel - RE: [PATCH] arm64: dts: freescale: sl28: correct MMC order

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Message-ID: <AM7PR04MB6885DC8A698471CCF3F8CD7FF8FA0@AM7PR04MB6885.eurprd04.prod.outlook.com>
Date:   Wed, 25 Nov 2020 03:03:45 +0000
From:   "Y.b. Lu" <yangbo.lu@....com>
To:     Michael Walle <michael@...le.cc>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Shawn Guo <shawnguo@...nel.org>, Leo Li <leoyang.li@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: RE: [PATCH] arm64: dts: freescale: sl28: correct MMC order

> -----Original Message-----
> From: Michael Walle <michael@...le.cc>
> Sent: Wednesday, November 25, 2020 5:21 AM
> To: linux-arm-kernel@...ts.infradead.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org
> Cc: Shawn Guo <shawnguo@...nel.org>; Leo Li <leoyang.li@....com>; Rob
> Herring <robh+dt@...nel.org>; Y.b. Lu <yangbo.lu@....com>; Vladimir
> Oltean <vladimir.oltean@....com>; Michael Walle <michael@...le.cc>
> Subject: [PATCH] arm64: dts: freescale: sl28: correct MMC order
> 
> Commit 342ab37ecaf8 ("arm64: dts: freescale: use fixed index mmcN for
> layerscape") hardcoded the order of the MMC devices. This doesn't fit
> the sl28 boards, which come with an onboard eMMC. Thus use the more
> natural order for the eMMC and SD card. Use /dev/mmcblk0 for the eMMC
> and /dev/mmcblk1 for the SD card which is removable by the user.
> 
> Please note, that the images for this board already use root=UUID=,
> therefore the actual device number doesn't matter for booting.
> 
> Signed-off-by: Michael Walle <michael@...le.cc>

It's ok for me to re-define mmc alias.
Reviewed-by: Yangbo Lu <yangbo.lu@....com>

> ---
>  arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
> b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
> index fbaecf285d05..6da4a28c4d19 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
> @@ -18,6 +18,8 @@
> 
>  	aliases {
>  		crypto = &crypto;
> +		mmc0 = &esdhc1;
> +		mmc1 = &esdhc;
>  		serial0 = &duart0;
>  		serial1 = &duart1;
>  		serial2 = &lpuart1;
> --
> 2.20.1