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: Brunner Michael <michael.brun...@kontron.com>
Cc: Guenter Roeck <li...@roeck-us.net>
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
drivers/gpio/gpio-kempld.c | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
diff --git a/drivers/gpio/gpio-kempld.c b/drivers/gpio/gpio-kempld.c
index 35dd1e0af364..90a3c4e3e4aa 100644
--- a/drivers/gpio/gpio-kempld.c
+++ b/drivers/gpio/gpio-kempld.c
@@ -65,8 +65,7 @@ static int kempld_gpio_get_bit(struct kempld_device_data
*pld, u8 reg, u8 bit)
static int kempld_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct kempld_gpio_data *gpio
- = container_of(chip, struct kempld_gpio_data, chip);
+ struct kempld_gpio_data *gpio = gpiochip_get_data(chip);
struct kempld_device_data *pld = gpio->pld;
return kempld_gpio_get_bit(pld, KEMPLD_GPIO_LVL_NUM(offset), offset);
@@ -74,8 +73,7 @@ static int kempld_gpio_get(struct gpio_chip *chip, unsigned
offset)
static void kempld_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct kempld_gpio_data *gpio
- = container_of(chip, struct kempld_gpio_data, chip);
+ struct kempld_gpio_data *gpio = gpiochip_get_data(chip);
struct kempld_device_data *pld = gpio->pld;
kempld_get_mutex(pld);
@@ -85,8 +83,7 @@ static void kempld_gpio_set(struct gpio_chip *chip, unsigned
offset, int value)
static int kempld_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
- struct kempld_gpio_data *gpio
- = container_of(chip, struct kempld_gpio_data, chip);
+ struct kempld_gpio_data *gpio = gpiochip_get_data(chip);
struct kempld_device_data *pld = gpio->pld;
kempld_get_mutex(pld);
@@ -99,8 +96,7 @@ static int kempld_gpio_direction_input(struct gpio_chip
*chip, unsigned offset)
static int kempld_gpio_direction_output(struct gpio_chip *chip, unsigned
offset,
int value)
{
- struct kempld_gpio_data *gpio
- = container_of(chip, struct kempld_gpio_data, chip);
+ struct kempld_gpio_data *gpio = gpiochip_get_data(chip);
struct kempld_device_data *pld = gpio->pld;
kempld_get_mutex(pld);
@@ -113,8 +109,7 @@ static int kempld_gpio_direction_output(struct gpio_chip
*chip, unsigned offset,
static int kempld_gpio_get_direction(struct gpio_chip *chip, unsigned offset)
{
- struct kempld_gpio_data *gpio
- = container_of(chip, struct kempld_gpio_data, chip);
+ struct kempld_gpio_data *gpio = gpiochip_get_data(chip);
struct kempld_device_data *pld = gpio->pld;
return !kempld_gpio_get_bit(pld, KEMPLD_GPIO_DIR_NUM(offset), offset);
@@ -183,7 +178,7 @@ static int kempld_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
- ret = gpiochip_add(chip);
+ ret = gpiochip_add_data(chip, gpio);
if (ret) {
dev_err(dev, "Could not register GPIO chip\n");
return ret;
--
2.4.3
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