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mmc: dw_mmc-bluefield: Add support for eMMC HW reset
authorLiming Sun <limings@nvidia.com>
Wed, 12 Jun 2024 22:52:38 +0000 (18:52 -0400)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 8 Jul 2024 13:02:46 +0000 (15:02 +0200)
commitc17aecf85800ac91ec67fd7134107526a4bab3b0
tree4c969fb29ca2dcb05e06374c603270f5ebf94a98tree | snapshot
parentf21adcb86653e2b2784bbc0f180c332b50c404dfcommit | diff
mmc: dw_mmc-bluefield: Add support for eMMC HW reset

The eMMC RST_N register is implemented as secure register on the BlueField
SoC and controlled by TF-A. This commit sends an SMC call to TF-A for the
eMMC HW reset.

Reviewed-by: David Thompson <davthompson@nvidia.com>
Signed-off-by: Liming Sun <limings@nvidia.com>
Link: https://lore.kernel.org/r/2c459196c6867e325f9386ec0559efea464cfdd6.1718213918.git.limings@nvidia.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/dw_mmc-bluefield.c diff | blob | history
https://github.com/torvalds/linux.git