Jerome Brunet <> writes:

> Different modules maybe installed by the user on the eMMC connector
> of the odroid-c2. While the red modules are working without an issue,
> it seems some black modules (apparently Samsung based) are having
> issue at 200MHz
> While the tuning algorithm introduced in v4.14 enables high speed modes
> on every other tested designs, it seems a problem remains for this
> particular combination of board and eMMC module.
> Lowering the maximum frequency of the eMMC on this board until we can
> figure out a better solution.
> Fixes: d341ca88eead ("mmc: meson-gx: rework tuning function")
> Suggested-by: Ellie Reeves <>
> Signed-off-by: Jerome Brunet <>

Applied to v4.17/dt64 and Cc'd to stable,


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