pinctrl: as3722: 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: Andrew Bresticker <abrestic@chromium.org>
Cc: Mallikarjun Kasoju <mkasoju@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-as3722.c b/drivers/pinctrl/pinctrl-as3722.c
index 89479be..e844fdc 100644 (file)
--- a/drivers/pinctrl/pinctrl-as3722.c
+++ b/drivers/pinctrl/pinctrl-as3722.c
@@ -436,14 +436,9 @@ static struct pinctrl_desc as3722_pinctrl_desc = {
        .owner = THIS_MODULE,
 };
 
-static inline struct as3722_pctrl_info *to_as_pci(struct gpio_chip *chip)
-{
-       return container_of(chip, struct as3722_pctrl_info, gpio_chip);
-}
-
 static int as3722_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
-       struct as3722_pctrl_info *as_pci = to_as_pci(chip);
+       struct as3722_pctrl_info *as_pci = gpiochip_get_data(chip);
        struct as3722 *as3722 = as_pci->as3722;
        int ret;
        u32 reg;
@@ -491,7 +486,7 @@ static int as3722_gpio_get(struct gpio_chip *chip, unsigned offset)
 static void as3722_gpio_set(struct gpio_chip *chip, unsigned offset,
                int value)
 {
-       struct as3722_pctrl_info *as_pci = to_as_pci(chip);
+       struct as3722_pctrl_info *as_pci = gpiochip_get_data(chip);
        struct as3722 *as3722 = as_pci->as3722;
        int en_invert;
        u32 val;
@@ -531,7 +526,7 @@ static int as3722_gpio_direction_output(struct gpio_chip *chip,
 
 static int as3722_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
 {
-       struct as3722_pctrl_info *as_pci = to_as_pci(chip);
+       struct as3722_pctrl_info *as_pci = gpiochip_get_data(chip);
 
        return as3722_irq_get_virq(as_pci->as3722, offset);
 }
@@ -584,7 +579,7 @@ static int as3722_pinctrl_probe(struct platform_device *pdev)
        as_pci->gpio_chip = as3722_gpio_chip;
        as_pci->gpio_chip.parent = &pdev->dev;
        as_pci->gpio_chip.of_node = pdev->dev.parent->of_node;
-       ret = gpiochip_add(&as_pci->gpio_chip);
+       ret = gpiochip_add_data(&as_pci->gpio_chip, as_pci);
        if (ret < 0) {
                dev_err(&pdev->dev, "Couldn't register gpiochip, %d\n", ret);
                goto fail_chip_add;