[PATCH] ARM: dts: bcm2711-rpi-4-b: Use aliases to set custom MMC device index

Ariel D'Alessandro ariel.dalessandro at collabora.com
Wed Jun 8 05:32:33 PDT 2022


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.

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro at collabora.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




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