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Enabling this feature will allow the controller to stop the bus clock when the bus is idle. The feature is not part of the standard and is unique to newer Arasan cores and is enabled with a bit in a vendor specific register. This feature will only be enabled for non-removable devices because they don't switch the voltage and clock gating breaks SD Card volatge switching. Signed-off-by: Al Cooper <alcooperx@gmail.com> Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20220427180853.35970-3-kdasu.kdev@gmail.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> |
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