This patch set is used to optimize voltage switch for the Spreadtrum SD host controller. Any comments are welcome. Thanks. Baolin Wang (3): mmc: sdhci-sprd: Add start_signal_voltage_switch ops dt-bindings: mmc: sprd: Add pinctrl support mmc: sdhci-sprd: Add pin control support for voltage switch .../devicetree/bindings/mmc/sdhci-sprd.txt | 7 ++ drivers/mmc/host/sdhci-sprd.c | 78 ++++++++++++++++++++ 2 files changed, 85 insertions(+) -- 1.7.9.5