mmc: sdhci-tegra: Add required callbacks to set/clear CQE_EN bit
authorAniruddha Tvs Rao <anrao@nvidia.com>
Wed, 7 Apr 2021 09:46:17 +0000 (10:46 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 11 May 2021 12:47:14 +0000 (14:47 +0200)
commitcdc615acade458f3b99ea83cc977c7edad027292
tree07c9ca4e5fbbad732633c2ac9e4c06d2f58a823f
parent6c43290972ed6951ab471f8a42226b055ecda481
mmc: sdhci-tegra: Add required callbacks to set/clear CQE_EN bit

commit 5ec6fa5a6dc5e42a4aa782f3a81d5f08b0fac1e6 upstream.

CMD8 is not supported with Command Queue Enabled. Add required callback
to clear CQE_EN and CQE_INTR fields in the host controller register
before sending CMD8. Add corresponding callback in the CQHCI resume path
to re-enable CQE_EN and CQE_INTR fields.

Reported-by: Kamal Mostafa <kamal@canonical.com>
Tested-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Aniruddha Tvs Rao <anrao@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20210407094617.770495-1-jonathanh@nvidia.com
Cc: stable@vger.kernel.org # v5.10+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/mmc/host/sdhci-tegra.c