mmc: sdhci_am654: Reset Command and Data line after tuning

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The tuning data is leftover in the buffer after tuning. This can cause
issues in future data commands, especially with CQHCI. Reset the command
and data lines after tuning to continue from a clean state.

Fixes: 41fd4caeb0 ("mmc: sdhci_am654: Add Initial Support for AM654 SDHCI driver")
Cc: stable@vger.kernel.org
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20200108143301.1929-3-faiz_abbas@ti.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Faiz Abbas 2020-01-08 20:03:00 +05:30 • committed by Ulf Hansson

parent 4d627c8854

commit de31f6ab68

1 changed files with 18 additions and 0 deletions

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drivers/mmc/host/sdhci_am654.c

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