[PATCH v2 2/2] arm64: dts: mt7986: fix emmc hs400 mode without uboot initialization

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Tue Oct 3 01:36:12 PDT 2023


Il 29/06/23 20:43, Frank Wunderlich ha scritto:
> From: Eric Woudstra <ericwouds at gmail.com>
> 
> Eric reports errors on emmc with hs400 mode when booting linux on bpi-r3
> without uboot [1]. Booting with uboot does not show this because clocks
> seem to be initialized by uboot.
> 
> Fix this by adding assigned-clocks and assigned-clock-parents like it's
> done in uboot [2].
> 
> [1] https://forum.banana-pi.org/t/bpi-r3-kernel-fails-setting-emmc-clock-to-416m-depends-on-u-boot/15170
> [2] https://github.com/u-boot/u-boot/blob/master/arch/arm/dts/mt7986.dtsi#L287
> 
> Cc: stable at vger.kernel.org
> Fixes: 513b49d19b34 ("arm64: dts: mt7986: add mmc related device nodes")
> Signed-off-by: Eric Woudstra <ericwouds at gmail.com>
> Signed-off-by: Frank Wunderlich <frank-w at public-files.de>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>





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