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Subject[PATCH 4/5] pinctrl-baytrail: introduce to_byt_gpio() macro
Date
The introduced macro helps to convert struct gpio_chip to struct byt_gpio.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/pinctrl/pinctrl-baytrail.c | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 14a143c..14e1e22 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -130,10 +130,12 @@ struct byt_gpio {
struct pinctrl_gpio_range *range;
};

+#define to_byt_gpio(c) container_of(c, struct byt_gpio, chip)
+
static void __iomem *byt_gpio_reg(struct gpio_chip *chip, unsigned offset,
int reg)
{
- struct byt_gpio *vg = container_of(chip, struct byt_gpio, chip);
+ struct byt_gpio *vg = to_byt_gpio(chip);
u32 reg_offset;

if (reg == BYT_INT_STAT_REG)
@@ -146,7 +148,7 @@ static void __iomem *byt_gpio_reg(struct gpio_chip *chip, unsigned offset,

static int byt_gpio_request(struct gpio_chip *chip, unsigned offset)
{
- struct byt_gpio *vg = container_of(chip, struct byt_gpio, chip);
+ struct byt_gpio *vg = to_byt_gpio(chip);

pm_runtime_get(&vg->pdev->dev);

@@ -155,7 +157,7 @@ static int byt_gpio_request(struct gpio_chip *chip, unsigned offset)

static void byt_gpio_free(struct gpio_chip *chip, unsigned offset)
{
- struct byt_gpio *vg = container_of(chip, struct byt_gpio, chip);
+ struct byt_gpio *vg = to_byt_gpio(chip);
void __iomem *reg = byt_gpio_reg(&vg->chip, offset, BYT_CONF0_REG);
u32 value;

@@ -216,7 +218,7 @@ static int byt_gpio_get(struct gpio_chip *chip, unsigned offset)

static void byt_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct byt_gpio *vg = container_of(chip, struct byt_gpio, chip);
+ struct byt_gpio *vg = to_byt_gpio(chip);
void __iomem *reg = byt_gpio_reg(chip, offset, BYT_VAL_REG);
unsigned long flags;
u32 old_val;
@@ -235,7 +237,7 @@ static void byt_gpio_set(struct gpio_chip *chip, unsigned offset, int value)

static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
- struct byt_gpio *vg = container_of(chip, struct byt_gpio, chip);
+ struct byt_gpio *vg = to_byt_gpio(chip);
void __iomem *reg = byt_gpio_reg(chip, offset, BYT_VAL_REG);
unsigned long flags;
u32 value;
@@ -254,7 +256,7 @@ static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
static int byt_gpio_direction_output(struct gpio_chip *chip,
unsigned gpio, int value)
{
- struct byt_gpio *vg = container_of(chip, struct byt_gpio, chip);
+ struct byt_gpio *vg = to_byt_gpio(chip);
void __iomem *reg = byt_gpio_reg(chip, gpio, BYT_VAL_REG);
unsigned long flags;
u32 reg_val;
@@ -272,7 +274,7 @@ static int byt_gpio_direction_output(struct gpio_chip *chip,

static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
{
- struct byt_gpio *vg = container_of(chip, struct byt_gpio, chip);
+ struct byt_gpio *vg = to_byt_gpio(chip);
int i;
unsigned long flags;
u32 conf0, val, offs;
@@ -301,7 +303,7 @@ static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)

static int byt_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
- struct byt_gpio *vg = container_of(chip, struct byt_gpio, chip);
+ struct byt_gpio *vg = to_byt_gpio(chip);
return irq_create_mapping(vg->domain, offset);
}

--
1.8.3.2


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