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arm64: dts: ensure backward compatibility of the AP807 Xenon

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A recent switch to a dedicated AP807 compatible string for the Xenon
SD/MMC controller result in the driver not being probed when
using updated device tree with the older kernel revisions.
It may also be problematic for other OSs/firmware that use
Linux device tree sources as a reference. Resolve the problem
with backward compatibility by restoring a previous compatible
string as secondary one.

Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
This commit is contained in:
Marcin Wojtas 2021-03-22 01:39:15 +01:00 • committed by Gregory CLEMENT
parent 3a52a48973
commit f2c6d6b271
1 changed files with 2 additions and 1 deletions
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3
arch/arm64/boot/dts/marvell/armada-ap807.dtsi
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@ -29,6 +29,7 @@
};
&ap_sdhci0 {
compatible = "marvell,armada-ap807-sdhci";
compatible = "marvell,armada-ap807-sdhci",
"marvell,armada-ap806-sdhci"; /* Backward compatibility */
};