linux-kernel - [PATCH] arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards.

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Message-Id: <20201104162356.1251-1-m.reichl@fivetechno.de>
Date:   Wed,  4 Nov 2020 17:23:55 +0100
From:   Markus Reichl <m.reichl@...etechno.de>
To:     linux-rockchip@...ts.infradead.org,
        Rob Herring <robh+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>
Cc:     dianders@...omium.org, robin.murphy@....com, wens@...nel.org,
        Markus Reichl <m.reichl@...etechno.de>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 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].

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

Signed-off-by: Markus Reichl <m.reichl@...etechno.de>
---
 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index ada724b12f01..7a9a7aca86c6 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -29,6 +29,9 @@ aliases {
 		i2c6 = &i2c6;
 		i2c7 = &i2c7;
 		i2c8 = &i2c8;
+		mmc0 = &sdio0;
+		mmc1 = &sdmmc;
+		mmc2 = &sdhci;
 		serial0 = &uart0;
 		serial1 = &uart1;
 		serial2 = &uart2;
-- 
2.28.0