[PATCH 1/1] arm64: dts: meson: g12b: odroid-n2: Assign a fixed index to mmc devices

Alexander Stein alexander.stein at mailbox.org
Wed Jan 27 18:08:52 EST 2021


Recently introduced async probe on mmc devices can shuffle block IDs.
Pin them to fixed values to ease booting in environments where UUIDs
are not practical. Use newly introduced aliases for mmcblk devices from [1].
[1]
https://patchwork.kernel.org/patch/11747669/

Commit message taken from commit 0011c6d18277 ("arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards.")

Signed-off-by: Alexander Stein <alexander.stein at mailbox.org>
---
I was wondering which order I should use. Depending in your booting
medium (SD card or eMMC) you 'want' one or the other as mmc0.
In the end I ordered them according to the names.

 arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
index 050862cd0996..2faa4da917c1 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
@@ -13,6 +13,8 @@ / {
 	aliases {
 		serial0 = &uart_AO;
 		ethernet0 = ðmac;
+		mmc0 = &sd_emmc_b;
+		mmc1 = &sd_emmc_c;
 	};
 
 	dioo2133: audio-amplifier-0 {
-- 
2.30.0




More information about the linux-amlogic mailing list