gpio: timberdale: 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().
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c
index dda8f21..a6de10c 100644
--- a/drivers/gpio/gpio-timberdale.c
+++ b/drivers/gpio/gpio-timberdale.c
@@ -53,7 +53,7 @@
static int timbgpio_update_bit(struct gpio_chip *gpio, unsigned index,
unsigned offset, bool enabled)
{
- struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio);
+ struct timbgpio *tgpio = gpiochip_get_data(gpio);
u32 reg;
spin_lock(&tgpio->lock);
@@ -77,7 +77,7 @@
static int timbgpio_gpio_get(struct gpio_chip *gpio, unsigned nr)
{
- struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio);
+ struct timbgpio *tgpio = gpiochip_get_data(gpio);
u32 value;
value = ioread32(tgpio->membase + TGPIOVAL);
@@ -98,7 +98,7 @@
static int timbgpio_to_irq(struct gpio_chip *gpio, unsigned offset)
{
- struct timbgpio *tgpio = container_of(gpio, struct timbgpio, gpio);
+ struct timbgpio *tgpio = gpiochip_get_data(gpio);
if (tgpio->irq_base <= 0)
return -EINVAL;
@@ -279,7 +279,7 @@
gc->ngpio = pdata->nr_pins;
gc->can_sleep = false;
- err = gpiochip_add(gc);
+ err = gpiochip_add_data(gc, tgpio);
if (err)
return err;