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)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 12 Apr 2021 11:52:29 +0000 (13:52 +0200)
commit5ec6fa5a6dc5e42a4aa782f3a81d5f08b0fac1e6
treeb74f09f511743e0186e202abad1fe121f087a4f4
parentbaaaf55d99ef4485d4c9e371d92809f0cbd53b85
mmc: sdhci-tegra: Add required callbacks to set/clear CQE_EN bit

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>
drivers/mmc/host/sdhci-tegra.c