gpio: palmas: 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: Andrew Chew <achew@nvidia.com>
Cc: Stephen Warren <swarren@nvidia.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-palmas.c b/drivers/gpio/gpio-palmas.c
index ddd1a00..fdfb3b1 100644
--- a/drivers/gpio/gpio-palmas.c
+++ b/drivers/gpio/gpio-palmas.c
@@ -35,14 +35,9 @@
int ngpio;
};
-static inline struct palmas_gpio *to_palmas_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct palmas_gpio, gpio_chip);
-}
-
static int palmas_gpio_get(struct gpio_chip *gc, unsigned offset)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
unsigned int val;
int ret;
@@ -74,7 +69,7 @@
static void palmas_gpio_set(struct gpio_chip *gc, unsigned offset,
int value)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
int ret;
unsigned int reg;
@@ -96,7 +91,7 @@
static int palmas_gpio_output(struct gpio_chip *gc, unsigned offset,
int value)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
int ret;
unsigned int reg;
@@ -118,7 +113,7 @@
static int palmas_gpio_input(struct gpio_chip *gc, unsigned offset)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
int ret;
unsigned int reg;
@@ -136,7 +131,7 @@
static int palmas_gpio_to_irq(struct gpio_chip *gc, unsigned offset)
{
- struct palmas_gpio *pg = to_palmas_gpio(gc);
+ struct palmas_gpio *pg = gpiochip_get_data(gc);
struct palmas *palmas = pg->palmas;
return palmas_irq_get_virq(palmas, PALMAS_GPIO_0_IRQ + offset);
@@ -200,7 +195,7 @@
else
palmas_gpio->gpio_chip.base = -1;
- ret = gpiochip_add(&palmas_gpio->gpio_chip);
+ ret = gpiochip_add_data(&palmas_gpio->gpio_chip, palmas_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not register gpiochip, %d\n", ret);
return ret;