[v3,06/16] Davinci: gpio - minor cleanup

Commit Message

Cyril Chemparathy April 14, 2010, 6:44 p.m. UTC

None

Patch

diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index 5476ad1..5a045e6 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -28,6 +28,9 @@  struct davinci_gpio {
 	int			irq_base;
 };
 
+#define chip2controller(chip)	\
+	container_of(chip, struct davinci_gpio, chip)
+
 static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)];
 
 /* create a non-inlined version */
@@ -56,7 +59,7 @@  static int __init davinci_gpio_irq_setup(void);
 
 static int davinci_direction_in(struct gpio_chip *chip, unsigned offset)
 {
-	struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+	struct davinci_gpio *d = chip2controller(chip);
 	struct gpio_controller __iomem *g = d->regs;
 	u32 temp;
 
@@ -78,7 +81,7 @@  static int davinci_direction_in(struct gpio_chip *chip, unsigned offset)
  */
 static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
-	struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+	struct davinci_gpio *d = chip2controller(chip);
 	struct gpio_controller __iomem *g = d->regs;
 
 	return (1 << offset) & __raw_readl(&g->in_data);
@@ -87,7 +90,7 @@  static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
 static int
 davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value)
 {
-	struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+	struct davinci_gpio *d = chip2controller(chip);
 	struct gpio_controller __iomem *g = d->regs;
 	u32 temp;
 	u32 mask = 1 << offset;
@@ -107,7 +110,7 @@  davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value)
 static void
 davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 {
-	struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+	struct davinci_gpio *d = chip2controller(chip);
 	struct gpio_controller __iomem *g = d->regs;
 
 	__raw_writel((1 << offset), value ? &g->set_data : &g->clr_data);
@@ -262,7 +265,7 @@  gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 
 static int gpio_to_irq_banked(struct gpio_chip *chip, unsigned offset)
 {
-	struct davinci_gpio *d = container_of(chip, struct davinci_gpio, chip);
+	struct davinci_gpio *d = chip2controller(chip);
 
 	if (d->irq_base >= 0)
 		return d->irq_base + offset;