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gpio: dwapb: Switch to more usual pattern of RMW in dwapb_gpio_set_debounce()

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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>
This commit is contained in:
Andy Shevchenko 2020-04-15 17:15:29 +03:00 committed by Linus Walleij
parent d31275a9dc
commit 48ce805683
1 changed files with 3 additions and 2 deletions
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5
drivers/gpio/gpio-dwapb.c
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@ -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);