linux-kernel - Re: [PATCH] ARM: dts: sunxi: Change node name for pwrseq pin on Olinuxino-lime2-emmc

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Message-ID: <20161214140934.zdztogdjjis23raw@lukather>
Date:   Wed, 14 Dec 2016 15:09:34 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Emmanuel Vadot <manu@...ouilliste.com>
Cc:     robh+dt@...nel.org, wens@...e.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: sunxi: Change node name for pwrseq pin on
 Olinuxino-lime2-emmc

Hi Emmanuel,

On Wed, Dec 14, 2016 at 11:08:56AM +0100, Emmanuel Vadot wrote:
> The node name for the power seq pin is mmc2@0 like the mmc2_pins_a one.
> This makes the original node (mmc2_pins_a) scrapped out of the dtb and
> result in a unusable eMMC if U-Boot didn't configured the pins to the
> correct functions.
> 
> Signed-off-by: Emmanuel Vadot <manu@...ouilliste.com>
> ---
>  arch/arm/boot/dts/sun7i-a20-olinuxino-lime2-emmc.dts | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2-emmc.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2-emmc.dts
> index 5ea4915..68cb1b5 100644
> --- a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2-emmc.dts
> +++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2-emmc.dts
> @@ -56,7 +56,7 @@
>  };
>  
>  &pio {
> -	mmc2_pins_nrst: mmc2@0 {
> +	mmc2_pins_nrst: mmc2@1 {

That would be even better if you renamed it to something like
mmc2-rst-pin to avoid all future conflicts (for example if we ever add
a second mmc pins groups.

Thanks!
Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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