gpio: ml-ioh: 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: Feng Tang <feng.tang@intel.com>
Cc: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index 7ef7043..796a5a4 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -106,7 +106,7 @@
static void ioh_gpio_set(struct gpio_chip *gpio, unsigned nr, int val)
{
u32 reg_val;
- struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+ struct ioh_gpio *chip = gpiochip_get_data(gpio);
unsigned long flags;
spin_lock_irqsave(&chip->spinlock, flags);
@@ -122,7 +122,7 @@
static int ioh_gpio_get(struct gpio_chip *gpio, unsigned nr)
{
- struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+ struct ioh_gpio *chip = gpiochip_get_data(gpio);
return !!(ioread32(&chip->reg->regs[chip->ch].pi) & (1 << nr));
}
@@ -130,7 +130,7 @@
static int ioh_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
int val)
{
- struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+ struct ioh_gpio *chip = gpiochip_get_data(gpio);
u32 pm;
u32 reg_val;
unsigned long flags;
@@ -155,7 +155,7 @@
static int ioh_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
{
- struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+ struct ioh_gpio *chip = gpiochip_get_data(gpio);
u32 pm;
unsigned long flags;
@@ -225,7 +225,7 @@
static int ioh_gpio_to_irq(struct gpio_chip *gpio, unsigned offset)
{
- struct ioh_gpio *chip = container_of(gpio, struct ioh_gpio, gpio);
+ struct ioh_gpio *chip = gpiochip_get_data(gpio);
return chip->irq_base + offset;
}
@@ -450,7 +450,7 @@
chip->ch = i;
spin_lock_init(&chip->spinlock);
ioh_gpio_setup(chip, num_ports[i]);
- ret = gpiochip_add(&chip->gpio);
+ ret = gpiochip_add_data(&chip->gpio, chip);
if (ret) {
dev_err(&pdev->dev, "IOH gpio: Failed to register GPIO\n");
goto err_gpiochip_add;