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

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Message-Id: <20201104094950.2096-1-m.reichl@fivetechno.de>
Date:   Wed,  4 Nov 2020 10:49:45 +0100
From:   Markus Reichl <m.reichl@...etechno.de>
To:     linux-rockchip@...ts.infradead.org,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>
Cc:     Markus Reichl <m.reichl@...etechno.de>,
        Rob Herring <robh@...nel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399-roc-pc boards.

Recently introduced async probe on mmc devices can shuffle block IDs.
Pin them to fixed values to ease booting in evironments 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-roc-pc.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
index e7a459fa4322..bc9482b59428 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
@@ -13,6 +13,11 @@ / {
 	model = "Firefly ROC-RK3399-PC Board";
 	compatible = "firefly,roc-rk3399-pc", "rockchip,rk3399";
 
+	aliases {
+		mmc0 = &sdmmc;
+		mmc1 = &sdhci;
+	};
+
 	chosen {
 		stdout-path = "serial2:1500000n8";
 	};
-- 
2.28.0