pinctrl: samsung: 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: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index bb4db2050f19ced10a6eea10d5a692de4495e957..a4fb8379f52123adc011517470f7c3ee18a8c1a8 100644 (file)
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -50,11 +50,6 @@ static LIST_HEAD(drvdata_list);
 
 static unsigned int pin_base;
 
-static inline struct samsung_pin_bank *gc_to_pin_bank(struct gpio_chip *gc)
-{
-       return container_of(gc, struct samsung_pin_bank, gpio_chip);
-}
-
 static int samsung_get_group_count(struct pinctrl_dev *pctldev)
 {
        struct samsung_pinctrl_drv_data *pmx = pinctrl_dev_get_drvdata(pctldev);
@@ -522,7 +517,7 @@ static const struct pinconf_ops samsung_pinconf_ops = {
 /* gpiolib gpio_set callback function */
 static void samsung_gpio_set(struct gpio_chip *gc, unsigned offset, int value)
 {
-       struct samsung_pin_bank *bank = gc_to_pin_bank(gc);
+       struct samsung_pin_bank *bank = gpiochip_get_data(gc);
        const struct samsung_pin_bank_type *type = bank->type;
        unsigned long flags;
        void __iomem *reg;
@@ -546,7 +541,7 @@ static int samsung_gpio_get(struct gpio_chip *gc, unsigned offset)
 {
        void __iomem *reg;
        u32 data;
-       struct samsung_pin_bank *bank = gc_to_pin_bank(gc);
+       struct samsung_pin_bank *bank = gpiochip_get_data(gc);
        const struct samsung_pin_bank_type *type = bank->type;
 
        reg = bank->drvdata->virt_base + bank->pctl_offset;
@@ -571,7 +566,7 @@ static int samsung_gpio_set_direction(struct gpio_chip *gc,
        u32 data, mask, shift;
        unsigned long flags;
 
-       bank = gc_to_pin_bank(gc);
+       bank = gpiochip_get_data(gc);
        type = bank->type;
        drvdata = bank->drvdata;
 
@@ -619,7 +614,7 @@ static int samsung_gpio_direction_output(struct gpio_chip *gc, unsigned offset,
  */
 static int samsung_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
 {
-       struct samsung_pin_bank *bank = gc_to_pin_bank(gc);
+       struct samsung_pin_bank *bank = gpiochip_get_data(gc);
        unsigned int virq;
 
        if (!bank->irq_domain)
@@ -918,7 +913,7 @@ static int samsung_gpiolib_register(struct platform_device *pdev,
                gc->of_node = bank->of_node;
                gc->label = bank->name;
 
-               ret = gpiochip_add(gc);
+               ret = gpiochip_add_data(gc, bank);
                if (ret) {
                        dev_err(&pdev->dev, "failed to register gpio_chip %s, error code: %d\n",
                                                        gc->label, ret);