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path: root/drivers/gpio
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Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-kempld.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/gpio/gpio-kempld.c b/drivers/gpio/gpio-kempld.c
index 3f0e13b0595..efdc3924d7d 100644
--- a/drivers/gpio/gpio-kempld.c
+++ b/drivers/gpio/gpio-kempld.c
@@ -46,9 +46,9 @@ static void kempld_gpio_bitop(struct kempld_device_data *pld,
status = kempld_read8(pld, reg);
if (val)
- status |= (1 << bit);
+ status |= KEMPLD_GPIO_MASK(bit);
else
- status &= ~(1 << bit);
+ status &= ~KEMPLD_GPIO_MASK(bit);
kempld_write8(pld, reg, status);
}
@@ -60,7 +60,7 @@ static int kempld_gpio_get_bit(struct kempld_device_data *pld, u8 reg, u8 bit)
status = kempld_read8(pld, reg);
kempld_release_mutex(pld);
- return !!(status & (1 << bit));
+ return !!(status & KEMPLD_GPIO_MASK(bit));
}
static int kempld_gpio_get(struct gpio_chip *chip, unsigned offset)
@@ -69,8 +69,7 @@ static int kempld_gpio_get(struct gpio_chip *chip, unsigned offset)
= container_of(chip, struct kempld_gpio_data, chip);
struct kempld_device_data *pld = gpio->pld;
- return kempld_gpio_get_bit(pld, KEMPLD_GPIO_LVL_NUM(offset),
- KEMPLD_GPIO_MASK(offset));
+ return kempld_gpio_get_bit(pld, KEMPLD_GPIO_LVL_NUM(offset), offset);
}
static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
@@ -80,8 +79,7 @@ static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
struct kempld_device_data *pld = gpio->pld;
kempld_get_mutex(pld);
- kempld_gpio_bitop(pld, KEMPLD_GPIO_LVL_NUM(offset),
- KEMPLD_GPIO_MASK(offset), value);
+ kempld_gpio_bitop(pld, KEMPLD_GPIO_LVL_NUM(offset), offset, value);
kempld_release_mutex(pld);
}
@@ -92,8 +90,7 @@ static int kempld_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
struct kempld_device_data *pld = gpio->pld;
kempld_get_mutex(pld);
- kempld_gpio_bitop(pld, KEMPLD_GPIO_DIR_NUM(offset),
- KEMPLD_GPIO_MASK(offset), 0);
+ kempld_gpio_bitop(pld, KEMPLD_GPIO_DIR_NUM(offset), offset, 0);
kempld_release_mutex(pld);
return 0;
@@ -107,10 +104,8 @@ static int kempld_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
struct kempld_device_data *pld = gpio->pld;
kempld_get_mutex(pld);
- kempld_gpio_bitop(pld, KEMPLD_GPIO_LVL_NUM(offset),
- KEMPLD_GPIO_MASK(offset), value);
- kempld_gpio_bitop(pld, KEMPLD_GPIO_DIR_NUM(offset),
- KEMPLD_GPIO_MASK(offset), 1);
+ kempld_gpio_bitop(pld, KEMPLD_GPIO_LVL_NUM(offset), offset, value);
+ kempld_gpio_bitop(pld, KEMPLD_GPIO_DIR_NUM(offset), offset, 1);
kempld_release_mutex(pld);
return 0;
@@ -122,8 +117,7 @@ static int kempld_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
= container_of(chip, struct kempld_gpio_data, chip);
struct kempld_device_data *pld = gpio->pld;
- return kempld_gpio_get_bit(pld, KEMPLD_GPIO_DIR_NUM(offset),
- KEMPLD_GPIO_MASK(offset));
+ return kempld_gpio_get_bit(pld, KEMPLD_GPIO_DIR_NUM(offset), offset);
}
static int kempld_gpio_pincount(struct kempld_device_data *pld)