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mmc: rtsx: Let MMC core handle runtime PM
commit 7570fb4 upstream. Since MMC core handles runtime PM reference counting, we can avoid doing redundant runtime PM work in the driver. That means the only thing commit 5b4258f ("misc: rtsx: rts5249 support runtime PM") misses is to always enable runtime PM, to let its parent driver enable ASPM in the runtime idle routine. Fixes: 7499b52 ("mmc: rtsx: Use pm_runtime_{get,put}() to handle runtime PM") Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Link: https://lore.kernel.org/r/20220216055435.2335297-1-kai.heng.feng@canonical.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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