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Date: Sun, 12 Jun 2022 21:38:02 +0100
From: Peter Robinson <pbrobinson@...il.com>
To: "Ariel D'Alessandro" <ariel.dalessandro@...labora.com>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
gbcm-kernel-feedback-list@...adcom.com,
gkrzysztof.kozlowski+dt@...aro.org, gnsaenz@...nel.org,
grobh+dt@...nel.org
Subject: Re: [PATCH] ARM: dts: bcm2711-rpi-4-b: Use aliases to set custom MMC
device index
On Wed, Jun 8, 2022 at 1:35 PM Ariel D'Alessandro
<ariel.dalessandro@...labora.com> wrote:
>
> Add MMC aliases to ensure that the /dev/mmcblk ID for SD card won't
> change depending on the probe order of the MMC drivers.
Is the bcm2711-rpi.dtsi a better place for it given there's other
aliases there and it will be consistent across variations?
> Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@...labora.com>
> ---
> arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> index 4432412044de..780812542bad 100644
> --- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> +++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
> @@ -14,6 +14,10 @@ chosen {
> stdout-path = "serial1:115200n8";
> };
>
> + aliases {
> + mmc0 = &emmc2; /* mmcblk0 for SD */
> + };
> +
> leds {
> led-act {
> gpios = <&gpio 42 GPIO_ACTIVE_HIGH>;
> --
> 2.34.1
>
>
> _______________________________________________
> linux-rpi-kernel mailing list
> linux-rpi-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rpi-kernel
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