mmc: sdhci: Introduce sdhci_set_power_and_bus_voltage()
Some controllers diverge from the standard way of setting power and need their bus voltage register to be configured regardless of the whether they use regulators. As this is a common pattern across sdhci hosts, create a helper function. Signed-off-by: NNicolas Saenz Julienne <nsaenzjulienne@suse.de> Acked-by: NAdrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20200306174413.20634-2-nsaenzjulienne@suse.deSigned-off-by: NUlf Hansson <ulf.hansson@linaro.org>
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