mmc: tmio: don't reset whole IP core when tuning fails
SDHI needs to reset the SCC only, not the whole IP core. So, if tuning fails, don't handle specifics in the generic TMIO core, but in the specific drivers. For SDHI, we need to move around the reset routine a bit. It is not modified. Signed-off-by: NWolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: NYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: NYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20200820132538.24758-6-wsa+renesas@sang-engineering.comSigned-off-by: NUlf Hansson <ulf.hansson@linaro.org>
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