gpio: adnp: 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-adnp.c b/drivers/gpio/gpio-adnp.c
index b8a1ac1..fb5b47b 100644
--- a/drivers/gpio/gpio-adnp.c
+++ b/drivers/gpio/gpio-adnp.c
@@ -36,11 +36,6 @@
u8 *irq_low;
};
-static inline struct adnp *to_adnp(struct gpio_chip *chip)
-{
- return container_of(chip, struct adnp, gpio);
-}
-
static int adnp_read(struct adnp *adnp, unsigned offset, uint8_t *value)
{
int err;
@@ -72,7 +67,7 @@
static int adnp_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct adnp *adnp = to_adnp(chip);
+ struct adnp *adnp = gpiochip_get_data(chip);
unsigned int reg = offset >> adnp->reg_shift;
unsigned int pos = offset & 7;
u8 value;
@@ -106,7 +101,7 @@
static void adnp_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct adnp *adnp = to_adnp(chip);
+ struct adnp *adnp = gpiochip_get_data(chip);
mutex_lock(&adnp->i2c_lock);
__adnp_gpio_set(adnp, offset, value);
@@ -115,7 +110,7 @@
static int adnp_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
- struct adnp *adnp = to_adnp(chip);
+ struct adnp *adnp = gpiochip_get_data(chip);
unsigned int reg = offset >> adnp->reg_shift;
unsigned int pos = offset & 7;
u8 value;
@@ -150,7 +145,7 @@
static int adnp_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
int value)
{
- struct adnp *adnp = to_adnp(chip);
+ struct adnp *adnp = gpiochip_get_data(chip);
unsigned int reg = offset >> adnp->reg_shift;
unsigned int pos = offset & 7;
int err;
@@ -187,7 +182,7 @@
static void adnp_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
{
- struct adnp *adnp = to_adnp(chip);
+ struct adnp *adnp = gpiochip_get_data(chip);
unsigned int num_regs = 1 << adnp->reg_shift, i, j;
int err;
@@ -270,7 +265,7 @@
chip->of_node = chip->parent->of_node;
chip->owner = THIS_MODULE;
- err = gpiochip_add(chip);
+ err = gpiochip_add_data(chip, adnp);
if (err)
return err;
@@ -340,7 +335,7 @@
static void adnp_irq_mask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct adnp *adnp = to_adnp(gc);
+ struct adnp *adnp = gpiochip_get_data(gc);
unsigned int reg = d->hwirq >> adnp->reg_shift;
unsigned int pos = d->hwirq & 7;
@@ -350,7 +345,7 @@
static void adnp_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct adnp *adnp = to_adnp(gc);
+ struct adnp *adnp = gpiochip_get_data(gc);
unsigned int reg = d->hwirq >> adnp->reg_shift;
unsigned int pos = d->hwirq & 7;
@@ -360,7 +355,7 @@
static int adnp_irq_set_type(struct irq_data *d, unsigned int type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct adnp *adnp = to_adnp(gc);
+ struct adnp *adnp = gpiochip_get_data(gc);
unsigned int reg = d->hwirq >> adnp->reg_shift;
unsigned int pos = d->hwirq & 7;
@@ -390,7 +385,7 @@
static void adnp_irq_bus_lock(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct adnp *adnp = to_adnp(gc);
+ struct adnp *adnp = gpiochip_get_data(gc);
mutex_lock(&adnp->irq_lock);
}
@@ -398,7 +393,7 @@
static void adnp_irq_bus_unlock(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct adnp *adnp = to_adnp(gc);
+ struct adnp *adnp = gpiochip_get_data(gc);
unsigned int num_regs = 1 << adnp->reg_shift, i;
mutex_lock(&adnp->i2c_lock);