gpio: tb10x: 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: Christian Ruppert <christian.ruppert@abilis.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-tb10x.c b/drivers/gpio/gpio-tb10x.c
index 1a7c3ef..5eaec20 100644
--- a/drivers/gpio/gpio-tb10x.c
+++ b/drivers/gpio/gpio-tb10x.c
@@ -87,14 +87,9 @@
spin_unlock_irqrestore(&gpio->spinlock, flags);
}
-static inline struct tb10x_gpio *to_tb10x_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct tb10x_gpio, gc);
-}
-
static int tb10x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
int mask = BIT(offset);
int val = TB10X_GPIO_DIR_IN << offset;
@@ -105,7 +100,7 @@
static int tb10x_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
int val;
val = tb10x_reg_read(tb10x_gpio, OFFSET_TO_REG_DATA);
@@ -118,7 +113,7 @@
static void tb10x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
int mask = BIT(offset);
int val = value << offset;
@@ -128,7 +123,7 @@
static int tb10x_gpio_direction_out(struct gpio_chip *chip,
unsigned offset, int value)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
int mask = BIT(offset);
int val = TB10X_GPIO_DIR_OUT << offset;
@@ -140,7 +135,7 @@
static int tb10x_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
- struct tb10x_gpio *tb10x_gpio = to_tb10x_gpio(chip);
+ struct tb10x_gpio *tb10x_gpio = gpiochip_get_data(chip);
return irq_create_mapping(tb10x_gpio->domain, offset);
}
@@ -210,7 +205,7 @@
tb10x_gpio->gc.can_sleep = false;
- ret = gpiochip_add(&tb10x_gpio->gc);
+ ret = gpiochip_add_data(&tb10x_gpio->gc, tb10x_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not add gpiochip.\n");
goto fail_gpiochip_registration;