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mmc: sdhci-pci-gli: A workaround to allow GL9755 to enter ASPM L1.2
authorBen Chuang <ben.chuang@genesyslogic.com.tw>
Thu, 14 Apr 2022 09:49:45 +0000 (17:49 +0800)
committerUlf Hansson <ulf.hansson@linaro.org>
Tue, 26 Apr 2022 12:05:21 +0000 (14:05 +0200)
commit36ed2fd32b2cf7ff49804fae455e58e4d3b3bcad
treed26674553a0b2c2ab173212a1aa2c503533a7a9atree | snapshot
parent13acb62ce1ee7377ef03034fbbad6f5499464b86commit | diff
mmc: sdhci-pci-gli: A workaround to allow GL9755 to enter ASPM L1.2

When GL9755 enters ASPM L1 sub-states, it will stay at L1.1 and will not
enter L1.2. The workaround is to toggle PM state to allow GL9755 to enter
ASPM L1.2.

Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20220414094945.457500-1-benchuanggli@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
drivers/mmc/host/sdhci-pci-gli.c diff | blob | history
Domain: System / Kernel;