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gpio: pl061: remove range check 

The gpiochip calls are already checking that the GPIO line
offsets are in range.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Linus Walleij 2016-04-28 13:18:11 +02:00
parent 451938d52f
commit 682366d5c9
1 changed files with 0 additions and 6 deletions
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6
drivers/gpio/gpio-pl061.c
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@ -67,9 +67,6 @@ static int pl061_direction_input(struct gpio_chip *gc, unsigned offset)
unsigned long flags;
unsigned char gpiodir;
if (offset >= gc->ngpio)
return -EINVAL;
spin_lock_irqsave(&chip->lock, flags);
gpiodir = readb(chip->base + GPIODIR);
gpiodir &= ~(BIT(offset));
@ -86,9 +83,6 @@ static int pl061_direction_output(struct gpio_chip *gc, unsigned offset,
unsigned long flags;
unsigned char gpiodir;
if (offset >= gc->ngpio)
return -EINVAL;
spin_lock_irqsave(&chip->lock, flags);
writeb(!!value << offset, chip->base + (BIT(offset + 2)));
gpiodir = readb(chip->base + GPIODIR);