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: Grygorii Strashko <grygorii.stras...@ti.com>
Cc: George Cherian <george.cher...@ti.com>
Cc: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
drivers/gpio/gpio-pcf857x.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c
index 407ca5e1aafa..ca340ed8a200 100644
--- a/drivers/gpio/gpio-pcf857x.c
+++ b/drivers/gpio/gpio-pcf857x.c
@@ -137,7 +137,7 @@ static int i2c_read_le16(struct i2c_client *client)
static int pcf857x_input(struct gpio_chip *chip, unsigned offset)
{
- struct pcf857x *gpio = container_of(chip, struct pcf857x, chip);
+ struct pcf857x *gpio = gpiochip_get_data(chip);
int status;
mutex_lock(&gpio->lock);
@@ -150,7 +150,7 @@ static int pcf857x_input(struct gpio_chip *chip, unsigned
offset)
static int pcf857x_get(struct gpio_chip *chip, unsigned offset)
{
- struct pcf857x *gpio = container_of(chip, struct pcf857x, chip);
+ struct pcf857x *gpio = gpiochip_get_data(chip);
int value;
value = gpio->read(gpio->client);
@@ -159,7 +159,7 @@ static int pcf857x_get(struct gpio_chip *chip, unsigned
offset)
static int pcf857x_output(struct gpio_chip *chip, unsigned offset, int value)
{
- struct pcf857x *gpio = container_of(chip, struct pcf857x, chip);
+ struct pcf857x *gpio = gpiochip_get_data(chip);
unsigned bit = 1 << offset;
int status;
@@ -372,7 +372,7 @@ static int pcf857x_probe(struct i2c_client *client,
gpio->out = ~n_latch;
gpio->status = gpio->out;
- status = gpiochip_add(&gpio->chip);
+ status = gpiochip_add_data(&gpio->chip, gpio);
if (status < 0)
goto fail;
--
2.4.3
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