linux-kernel - [PATCH 4/5] arm64: dts: rockchip: assign a fixed index to mmc devices on rk3308 boards

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Date:   Mon, 18 Jan 2021 16:52:41 +0100
From:   Johan Jonker <jbx6244@...il.com>
To:     heiko@...ech.de
Cc:     robh+dt@...nel.org, linux-rockchip@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] arm64: dts: rockchip: assign a fixed index to mmc devices on rk3308 boards

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].
The sort order is based on reg address.

[1] https://patchwork.kernel.org/patch/11747669/

Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
 arch/arm64/boot/dts/rockchip/rk3308.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index ad54acf5d..b360b059f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -24,6 +24,9 @@
 		i2c1 = &i2c1;
 		i2c2 = &i2c2;
 		i2c3 = &i2c3;
+		mmc0 = &sdmmc;
+		mmc1 = &emmc;
+		mmc2 = &sdio;
 		serial0 = &uart0;
 		serial1 = &uart1;
 		serial2 = &uart2;
-- 
2.11.0