mmc: renesas_sdhi: do hard reset if possible

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All recent SDHI instances can be reset via the reset controller. If one
is found, use it instead of the open coded reset. This is to get a
future-proof sane reset state.

Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20210317091622.31890-4-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Wolfram Sang 2021-03-17 10:16:22 +01:00 • committed by Ulf Hansson

parent 0e58701458

commit b4d86f37ea

3 changed files with 19 additions and 1 deletions

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1

drivers/mmc/host/Kconfig

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2

drivers/mmc/host/renesas_sdhi.h

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17

drivers/mmc/host/renesas_sdhi_core.c

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