In the sleep state, Eic dbnc has no clock and the clk enable of dbnc needs to be forced open, so that eic can wake up normally. Signed-off-by: Wenhua Lin <Wenhua.Lin@xxxxxxxxxx> --- drivers/gpio/gpio-eic-sprd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c index 0d85d9e80848..c506cfd6df8e 100644 --- a/drivers/gpio/gpio-eic-sprd.c +++ b/drivers/gpio/gpio-eic-sprd.c @@ -23,6 +23,7 @@ #define SPRD_EIC_DBNC_IC 0x24 #define SPRD_EIC_DBNC_TRIG 0x28 #define SPRD_EIC_DBNC_CTRL0 0x40 +#define SPRD_EIC_DBNC_FORCE_CLK 0x8000 #define SPRD_EIC_LATCH_INTEN 0x0 #define SPRD_EIC_LATCH_INTRAW 0x4 @@ -213,6 +214,7 @@ static int sprd_eic_set_debounce(struct gpio_chip *chip, unsigned int offset, u32 value = readl_relaxed(base + reg) & ~SPRD_EIC_DBNC_MASK; value |= (debounce / 1000) & SPRD_EIC_DBNC_MASK; + value |= SPRD_EIC_DBNC_FORCE_CLK; writel_relaxed(value, base + reg); return 0; -- 2.17.1
