mmc: tegra: Add a workaround for tap value change glitch

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Add quirk to disable the card clock during configuration of the tap
value in tegra_sdhci_set_tap() and issue sdhci_reset() after value
change. This is a workaround to avoid propagation of a potential
glitch caused by setting the tap value.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Aapo Vienamo 2018-08-30 18:06:20 +03:00 • committed by Ulf Hansson

parent d943f6e91f

commit d4501d8e88

1 changed files with 28 additions and 2 deletions

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drivers/mmc/host/sdhci-tegra.c

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