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HW engineers say that automatic tap correction cannot be used for HS400 in all R-Car Gen3 SoCs. So, check for that SDHI variant and disable it when HS400 is about to be enabled. Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Link: https://lore.kernel.org/r/20191217114034.13290-5-wsa+renesas@sang-engineering.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>