On Tue, 8 Aug 2023 at 11:32, Wenhua Lin <Wenhua.Lin@xxxxxxxxxx> wrote: > > In the sleep state, Eic dbnc has no clock and the clk enable Does "dbnc" mean "debounce"? I suggest not using abbreviation here. > 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 >
