linux-kernel - Re: [PATCH v2 1/4] arm64: dts: ti: k3-am65: Flip mmc device ordering

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Message-ID: <20210908024442.jskmqqye432p4nmt@gatherer>
Date:   Tue, 7 Sep 2021 21:44:42 -0500
From:   Nishanth Menon <nm@...com>
To:     Jan Kiszka <jan.kiszka@...mens.com>
CC:     Tero Kristo <kristo@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Bao Cheng Su <baocheng.su@...mens.com>,
        Chao Zeng <chao.zeng@...mens.com>
Subject: Re: [PATCH v2 1/4] arm64: dts: ti: k3-am65: Flip mmc device ordering

On 18:37-20210907, Jan Kiszka wrote:
> From: Jan Kiszka <jan.kiszka@...mens.com>
> 
> This ensures that the SD card will remain mmc0 across devices with and
> without eMMC.
> 
> Signed-off-by: Jan Kiszka <jan.kiszka@...mens.com>
> ---
>  arch/arm64/boot/dts/ti/k3-am65.dtsi | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi
> index a9fc1af03f27..785d931a2dd9 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi
> @@ -31,6 +31,8 @@ aliases {
>  		i2c4 = &main_i2c2;
>  		i2c5 = &main_i2c3;
>  		ethernet0 = &cpsw_port1;
> +		mmc0 = &sdhci1;
> +		mmc1 = &sdhci0;

Jan,

Responding in context of [1]. Suggestion from Aswath is to do the
following instead at SoC level:
+		mmc0 = &sdhci0;
+		mmc1 = &sdhci1;

>  	};
>  
>  	chosen { };
> -- 
> 2.31.1
> 
[1] https://lore.kernel.org/all/4cb6e76e-479f-5e06-778a-4788be53afb9@siemens.com/
-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D