gpio: mvebu: 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: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 6acedf4..a5eacc1 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -187,8 +187,7 @@
static void mvebu_gpio_set(struct gpio_chip *chip, unsigned pin, int value)
{
- struct mvebu_gpio_chip *mvchip =
- container_of(chip, struct mvebu_gpio_chip, chip);
+ struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
unsigned long flags;
u32 u;
@@ -204,8 +203,7 @@
static int mvebu_gpio_get(struct gpio_chip *chip, unsigned pin)
{
- struct mvebu_gpio_chip *mvchip =
- container_of(chip, struct mvebu_gpio_chip, chip);
+ struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
u32 u;
if (readl_relaxed(mvebu_gpioreg_io_conf(mvchip)) & (1 << pin)) {
@@ -220,8 +218,7 @@
static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value)
{
- struct mvebu_gpio_chip *mvchip =
- container_of(chip, struct mvebu_gpio_chip, chip);
+ struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
unsigned long flags;
u32 u;
@@ -237,8 +234,7 @@
static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin)
{
- struct mvebu_gpio_chip *mvchip =
- container_of(chip, struct mvebu_gpio_chip, chip);
+ struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
unsigned long flags;
int ret;
u32 u;
@@ -261,8 +257,7 @@
static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin,
int value)
{
- struct mvebu_gpio_chip *mvchip =
- container_of(chip, struct mvebu_gpio_chip, chip);
+ struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
unsigned long flags;
int ret;
u32 u;
@@ -287,8 +282,7 @@
static int mvebu_gpio_to_irq(struct gpio_chip *chip, unsigned pin)
{
- struct mvebu_gpio_chip *mvchip =
- container_of(chip, struct mvebu_gpio_chip, chip);
+ struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
return irq_create_mapping(mvchip->domain, pin);
}
@@ -494,8 +488,7 @@
static void mvebu_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
{
- struct mvebu_gpio_chip *mvchip =
- container_of(chip, struct mvebu_gpio_chip, chip);
+ struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
u32 out, io_conf, blink, in_pol, data_in, cause, edg_msk, lvl_msk;
int i;
@@ -763,7 +756,7 @@
BUG();
}
- gpiochip_add(&mvchip->chip);
+ gpiochip_add_data(&mvchip->chip, mvchip);
/* Some gpio controllers do not provide irq support */
if (!of_irq_count(np))