diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 13:24:05 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 13:21:11 +0300 |
| commit | 597358e41070e03479a7724b16eb3c6c7ea50027 (patch) | |
| tree | a187fd1be12347595a96155c422329d9d56ddda2 | |
| parent | 468e67f6eb7494e3c4d4d644f281d0ba0cc265c6 (diff) | |
| download | linux-597358e41070e03479a7724b16eb3c6c7ea50027.tar.xz | |
gpio: pcf857x: 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: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: George Cherian <george.cherian@ti.com>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpio-pcf857x.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c index f64380a7d004..709cd3fc2a70 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; |