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mediatek: filogic: disable eMMC HS400 mode for Mount Stuart series 15955/head
authorChad Monroe <chad@monroe.io>
Mon, 15 Jul 2024 17:37:55 +0000 (10:37 -0700)
committerChad Monroe <chad@monroe.io>
Mon, 15 Jul 2024 17:47:57 +0000 (10:47 -0700)
commit22258443921c59d25da741266cbac583a7402714
tree00c26fd242dd155de0f177bd819b232db7718426tree
parent37f5a3bb01305ca9e853f512fc3e4b929be83f0ccommit | diff
mediatek: filogic: disable eMMC HS400 mode for Mount Stuart series

The eMMC chip used in a small batch of these devices has issues operating
in HS400 mode. Reducing to HS200 mode works around the problem and does
not cause any noticeable performance penalties as smaller chips are not fast
enough to saturate the bus. Root cause analysis is pending.

Signed-off-by: Chad Monroe <chad@monroe.io>
target/linux/mediatek/dts/mt7988a-smartrg-mt-stuart.dtsi diff | blob | blame | history
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