mmc: sdhci-of-arasan: Allow configuring zero tap values

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Allow configuring the Output and Input tap values with zero to avoid
failures in some cases (one of them is SD boot mode) where the output
and input tap values may be already set to non-zero.

Fixes: a5c8b2ae2e ("mmc: sdhci-of-arasan: Add support for ZynqMP Platform Tap Delays Setup")
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/1605515565-117562-2-git-send-email-manish.narani@xilinx.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Manish Narani 2020-11-16 14:02:43 +05:30 • committed by Ulf Hansson

parent 60d5356610

commit 9e95343293

1 changed files with 8 additions and 32 deletions

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drivers/mmc/host/sdhci-of-arasan.c

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