pinctrl: amd: use gpiochip data pointer

This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().

Cc: Ken Xue <Ken.Xue@amd.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-amd.c

@@ -35,16 +35,11 @@
 #include "pinctrl-utils.h"
 #include "pinctrl-amd.h"
 
-static inline struct amd_gpio *to_amd_gpio(struct gpio_chip *gc)
-{
-	return container_of(gc, struct amd_gpio, gc);
-}
-
 static int amd_gpio_direction_input(struct gpio_chip *gc, unsigned offset)
 {
 	unsigned long flags;
 	u32 pin_reg;
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + offset * 4);
@@ -71,7 +66,7 @@ static int amd_gpio_direction_output(struct gpio_chip *gc, unsigned offset,
 {
 	u32 pin_reg;
 	unsigned long flags;
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + offset * 4);
@@ -90,7 +85,7 @@ static int amd_gpio_get_value(struct gpio_chip *gc, unsigned offset)
 {
 	u32 pin_reg;
 	unsigned long flags;
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + offset * 4);
@@ -103,7 +98,7 @@ static void amd_gpio_set_value(struct gpio_chip *gc, unsigned offset, int value)
 {
 	u32 pin_reg;
 	unsigned long flags;
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + offset * 4);
@@ -122,7 +117,7 @@ static int amd_gpio_set_debounce(struct gpio_chip *gc, unsigned offset,
 	u32 pin_reg;
 	int ret = 0;
 	unsigned long flags;
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + offset * 4);
@@ -186,7 +181,7 @@ static void amd_gpio_dbg_show(struct seq_file *s, struct gpio_chip *gc)
 	u32 pin_reg;
 	unsigned long flags;
 	unsigned int bank, i, pin_num;
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	char *level_trig;
 	char *active_level;
@@ -327,7 +322,7 @@ static void amd_gpio_irq_enable(struct irq_data *d)
 	u32 pin_reg;
 	unsigned long flags;
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
@@ -351,7 +346,7 @@ static void amd_gpio_irq_disable(struct irq_data *d)
 	u32 pin_reg;
 	unsigned long flags;
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
@@ -366,7 +361,7 @@ static void amd_gpio_irq_mask(struct irq_data *d)
 	u32 pin_reg;
 	unsigned long flags;
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
@@ -380,7 +375,7 @@ static void amd_gpio_irq_unmask(struct irq_data *d)
 	u32 pin_reg;
 	unsigned long flags;
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
@@ -394,7 +389,7 @@ static void amd_gpio_irq_eoi(struct irq_data *d)
 	u32 reg;
 	unsigned long flags;
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG);
@@ -409,7 +404,7 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type)
 	u32 pin_reg;
 	unsigned long flags;
 	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&gpio_dev->lock, flags);
 	pin_reg = readl(gpio_dev->base + (d->hwirq)*4);
@@ -504,7 +499,7 @@ static void amd_gpio_irq_handler(struct irq_desc *desc)
 	unsigned long flags;
 	struct irq_chip *chip = irq_desc_get_chip(desc);
 	struct gpio_chip *gc = irq_desc_get_handler_data(desc);
-	struct amd_gpio *gpio_dev = to_amd_gpio(gc);
+	struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
 
 	chained_irq_enter(chip, desc);
 	/*enable GPIO interrupt again*/
@@ -795,7 +790,7 @@ static int amd_gpio_probe(struct platform_device *pdev)
 		return PTR_ERR(gpio_dev->pctrl);
 	}
 
-	ret = gpiochip_add(&gpio_dev->gc);
+	ret = gpiochip_add_data(&gpio_dev->gc, gpio_dev);
 	if (ret)
 		goto out1;