On Thu, Nov 05, 2020 at 01:13:07PM +0200, Andy Shevchenko wrote:
On Thu, Nov 5, 2020 at 1:07 AM Coiby Xu <[email protected]> wrote:

RTC is 32.768kHz thus 512 RtcClk equals 15625 usec.

I could add that the documentation likely has dropped precision and
that's why the driver mistakenly took the slightly deviated value.

Thank you for the suggestion and other fixes in patch 4/4. Applied in v3.

Anyway.
Reviewed-by: Andy Shevchenko <[email protected]>

Suggested-by: Andy Shevchenko <[email protected]>
Suggested-by: Hans de Goede <[email protected]>
Link: 
https://lore.kernel.org/linux-gpio/[email protected]/
Signed-off-by: Coiby Xu <[email protected]>
---
 drivers/pinctrl/pinctrl-amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c
index d6b2b4bd337c..4aea3e05e8c6 100644
--- a/drivers/pinctrl/pinctrl-amd.c
+++ b/drivers/pinctrl/pinctrl-amd.c
@@ -156,7 +156,7 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, 
unsigned offset,
                        pin_reg |= BIT(DB_TMR_OUT_UNIT_OFF);
                        pin_reg &= ~BIT(DB_TMR_LARGE_OFF);
                } else if (debounce < 250000) {
-                       time = debounce / 15600;
+                       time = debounce / 15625;
                        pin_reg |= time & DB_TMR_OUT_MASK;
                        pin_reg &= ~BIT(DB_TMR_OUT_UNIT_OFF);
                        pin_reg |= BIT(DB_TMR_LARGE_OFF);
--
2.28.0



--
With Best Regards,
Andy Shevchenko

--
Best regards,
Coiby

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