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Date:   Thu, 22 Jul 2021 13:11:34 +0300
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     devicetree@...r.kernel.org
Cc:     Marek BehĂșn <kabel@...nel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next] arm64: dts: armada-3720-turris-mox: fixed indices for the SDHC controllers

Since drivers/mmc/host/sdhci-xenon.c declares the PROBE_PREFER_ASYNCHRONOUS
probe type, it is not guaranteed whether /dev/mmcblk0 will belong to
sdhci0 or sdhci1. In turn, this will break booting by:

root=/dev/mmcblk0p1

Fix the issue by adding aliases so that the old MMC controller indices
are preserved.

Fixes: 7320915c8861 ("mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.14")
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
index ce2bcddf396f..f2d7d6f071bc 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
@@ -19,6 +19,8 @@ / {
 	aliases {
 		spi0 = &spi0;
 		ethernet1 = &eth1;
+		mmc0 = &sdhci0;
+		mmc1 = &sdhci1;
 	};
 
 	chosen {
-- 
2.25.1

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