linux-kernel - [PATCH] arm64: dts: rockchip: assign a fixed index to mmc devices on rk3328 boards

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Message-Id: <20201219210500.3855-1-jbx6244@gmail.com>
Date:   Sat, 19 Dec 2020 22:05:00 +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] arm64: dts: rockchip: assign a fixed index to mmc devices on rk3328 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: Johan Jonker <jbx6244@...il.com>
---
 arch/arm64/boot/dts/rockchip/rk3328.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 957ebb70b..1ae129793 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -27,6 +27,9 @@
 		i2c1 = &i2c1;
 		i2c2 = &i2c2;
 		i2c3 = &i2c3;
+		mmc0 = &sdmmc;
+		mmc1 = &sdio;
+		mmc2 = &emmc;
 		ethernet0 = &gmac2io;
 		ethernet1 = &gmac2phy;
 	};
-- 
2.11.0