diff options
| author | Michal Simek <michal.simek@xilinx.com> | 2013-06-03 14:31:19 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-06-17 07:47:33 +0200 |
| commit | 9f7f0b2bbcff719233e6724d756a8c93d3285ade (patch) | |
| tree | 38a6c736cca4ee8598783decfd16495bda07341f | |
| parent | cc090d61d1a88f30f2fb75a91bce684ad1bd2e94 (diff) | |
GPIO: xilinx: Use BIT macro
Use BIT macro from linux/bitops.h.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpio-xilinx.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c index 791ddaedbfb4..792a05ad4649 100644 --- a/drivers/gpio/gpio-xilinx.c +++ b/drivers/gpio/gpio-xilinx.c @@ -94,9 +94,9 @@ static void xgpio_set(struct gpio_chip *gc, unsigned int gpio, int val) /* Write to GPIO signal and set its direction to output */ if (val) - chip->gpio_state |= 1 << gpio; + chip->gpio_state |= BIT(gpio); else - chip->gpio_state &= ~(1 << gpio); + chip->gpio_state &= ~BIT(gpio); xgpio_writereg(regs + chip->offset + XGPIO_DATA_OFFSET, chip->gpio_state); @@ -124,7 +124,7 @@ static int xgpio_dir_in(struct gpio_chip *gc, unsigned int gpio) spin_lock_irqsave(&chip->gpio_lock, flags); /* Set the GPIO bit in shadow register and set direction as input */ - chip->gpio_dir |= (1 << gpio); + chip->gpio_dir |= BIT(gpio); xgpio_writereg(regs + chip->offset + XGPIO_TRI_OFFSET, chip->gpio_dir); spin_unlock_irqrestore(&chip->gpio_lock, flags); @@ -154,14 +154,14 @@ static int xgpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) /* Write state of GPIO signal */ if (val) - chip->gpio_state |= 1 << gpio; + chip->gpio_state |= BIT(gpio); else - chip->gpio_state &= ~(1 << gpio); + chip->gpio_state &= ~BIT(gpio); xgpio_writereg(regs + chip->offset + XGPIO_DATA_OFFSET, chip->gpio_state); /* Clear the GPIO bit in shadow register and set direction as output */ - chip->gpio_dir &= (~(1 << gpio)); + chip->gpio_dir &= ~BIT(gpio); xgpio_writereg(regs + chip->offset + XGPIO_TRI_OFFSET, chip->gpio_dir); spin_unlock_irqrestore(&chip->gpio_lock, flags); |