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Commit 4c7edee2 authored by Sahitya Tummala's avatar Sahitya Tummala Committed by Bharat Pawar
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mmc: sdhci: Add new host->op and quirk to apply reset workaround



The SDHCI reset for data is getting stuck on some of sdhci-msm
controllers. The SDHCI reset usually waits for any pending transfers
on the bus before proceeding with the controller reset. But in the
failure cases, the data transfer seems to be stuck on the bus and
thus preventing the controller from being reset. The workaround is
to force the controller to be reset under such scenarios.

This seems to be helping the controller to return back to good state
at least for the next commands following the failure.

Change-Id: I6135fc167241e3f5c995fa6c1936d355e64cedaa
Signed-off-by: default avatarSahitya Tummala <stummala@codeaurora.org>
Signed-off-by: default avatarBharat Pawar <bpawar@codeaurora.org>
parent e9f181e4
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