summaryrefslogtreecommitdiff
path: root/drivers/gpio/gpio-dwapb.c
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-04-15 17:15:29 +0300
committerLinus Walleij <linus.walleij@linaro.org>2020-04-17 12:30:06 +0200
commit48ce805683461f0205e5b1baa2385a0cb425388e (patch)
tree243ede0bfbca3c6c9d250371dee13f529f5ab319 /drivers/gpio/gpio-dwapb.c
parentd31275a9dc0baa6b084917f8d42f1e197239fe6c (diff)
gpio: dwapb: Switch to more usual pattern of RMW in dwapb_gpio_set_debounce()
More usual pattern is to prepare value and then write it in a single place. Switch code in dwapb_gpio_set_debounce() to it. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Serge Semin <fancer.lancer@gmail.com> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> Link: https://lore.kernel.org/r/20200415141534.31240-10-andriy.shevchenko@linux.intel.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-dwapb.c')
-rw-r--r--drivers/gpio/gpio-dwapb.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 4edac592c253..0b073cbc003b 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -327,9 +327,10 @@ static int dwapb_gpio_set_debounce(struct gpio_chip *gc,
val_deb = dwapb_read(gpio, GPIO_PORTA_DEBOUNCE);
if (debounce)
- dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb | mask);
+ val_deb |= mask;
else
- dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb & ~mask);
+ val_deb &= ~mask;
+ dwapb_write(gpio, GPIO_PORTA_DEBOUNCE, val_deb);
spin_unlock_irqrestore(&gc->bgpio_lock, flags);