linux-kernel - [PATCH 4/5] pinctrl-baytrail: introduce to_byt

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Date:	Wed, 10 Jul 2013 14:55:39 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Linus Walleij <linus.walleij@...aro.org>,
	linux-kernel@...r.kernel.org,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH 4/5] pinctrl-baytrail: introduce to_byt_gpio() macro

The introduced macro helps to convert struct gpio_chip to struct byt_gpio.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.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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