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authorPatrice Chotard <patrice.chotard@st.com>2013-06-24 14:41:45 +0200
committerLinus Walleij <linus.walleij@linaro.org>2013-06-24 15:20:28 +0200
commitacd260b0aa5b8a4503252450afbf575b08009c85 (patch)
tree593b21aac4471701dee03f0b32b79350f52bd19b /drivers
parent8b5abd18e28d0eaadf62e2d51eac053cdab9045a (diff)
pinctrl: abx500: suppress hardcoded value
Replace hardcoded value by corresponding #define's. Signed-off-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pinctrl/pinctrl-abx500.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/pinctrl/pinctrl-abx500.c b/drivers/pinctrl/pinctrl-abx500.c
index c3f2b4baeed..f0e3f28022a 100644
--- a/drivers/pinctrl/pinctrl-abx500.c
+++ b/drivers/pinctrl/pinctrl-abx500.c
@@ -96,6 +96,9 @@
#define AB8540_GPIOX_VBAT_START 51
#define AB8540_GPIOX_VBAT_END 54
+#define ABX500_GPIO_INPUT 0
+#define ABX500_GPIO_OUTPUT 1
+
struct abx500_pinctrl {
struct device *dev;
struct pinctrl_dev *pctldev;
@@ -286,12 +289,18 @@ static int abx500_gpio_direction_output(struct gpio_chip *chip,
int ret;
/* set direction as output */
- ret = abx500_gpio_set_bits(chip, AB8500_GPIO_DIR1_REG, offset, 1);
+ ret = abx500_gpio_set_bits(chip,
+ AB8500_GPIO_DIR1_REG,
+ offset,
+ ABX500_GPIO_OUTPUT);
if (ret < 0)
return ret;
/* disable pull down */
- ret = abx500_gpio_set_bits(chip, AB8500_GPIO_PUD1_REG, offset, 1);
+ ret = abx500_gpio_set_bits(chip,
+ AB8500_GPIO_PUD1_REG,
+ offset,
+ ABX500_GPIO_PULL_NONE);
if (ret < 0)
return ret;
@@ -312,7 +321,10 @@ static int abx500_gpio_direction_output(struct gpio_chip *chip,
static int abx500_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
/* set the register as input */
- return abx500_gpio_set_bits(chip, AB8500_GPIO_DIR1_REG, offset, 0);
+ return abx500_gpio_set_bits(chip,
+ AB8500_GPIO_DIR1_REG,
+ offset,
+ ABX500_GPIO_INPUT);
}
static int abx500_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
@@ -1032,7 +1044,8 @@ static int abx500_pin_config_set(struct pinctrl_dev *pctldev,
else
/* Chip only supports pull down */
ret = abx500_gpio_set_bits(chip, AB8500_GPIO_PUD1_REG,
- offset, argument ? 0 : 1);
+ offset,
+ argument ? ABX500_GPIO_PULL_DOWN : ABX500_GPIO_PULL_NONE);
break;
case PIN_CONFIG_BIAS_PULL_UP: