diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 12:07:07 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 13:21:08 +0300 |
| commit | cf90c9e35be883d8ebcca3d4a2b1044a234f24d8 (patch) | |
| tree | 2fd9f3b09b2698f900112ff7b4314264293e8924 /drivers/gpio/gpio-mc9s08dz60.c | |
| parent | 609f9692ccd7034aaf620a6cd4ec1b6fb9ba4c7b (diff) | |
| download | linux-cf90c9e35be883d8ebcca3d4a2b1044a234f24d8.tar.xz | |
gpio: mc9s08dz60: 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: wu guoxing <b39297@freescale.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mc9s08dz60.c')
| -rw-r--r-- | drivers/gpio/gpio-mc9s08dz60.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-mc9s08dz60.c b/drivers/gpio/gpio-mc9s08dz60.c index 45f176018378..ba22fb92a6e7 100644 --- a/drivers/gpio/gpio-mc9s08dz60.c +++ b/drivers/gpio/gpio-mc9s08dz60.c @@ -29,12 +29,6 @@ struct mc9s08dz60 { struct gpio_chip chip; }; -static inline struct mc9s08dz60 *to_mc9s08dz60(struct gpio_chip *gc) -{ - return container_of(gc, struct mc9s08dz60, chip); -} - - static void mc9s_gpio_to_reg_and_bit(int offset, u8 *reg, u8 *bit) { *reg = 0x20 + offset / GPIO_NUM_PER_GROUP; @@ -45,7 +39,7 @@ static int mc9s08dz60_get_value(struct gpio_chip *gc, unsigned offset) { u8 reg, bit; s32 value; - struct mc9s08dz60 *mc9s = to_mc9s08dz60(gc); + struct mc9s08dz60 *mc9s = gpiochip_get_data(gc); mc9s_gpio_to_reg_and_bit(offset, ®, &bit); value = i2c_smbus_read_byte_data(mc9s->client, reg); @@ -75,7 +69,7 @@ static int mc9s08dz60_set(struct mc9s08dz60 *mc9s, unsigned offset, int val) static void mc9s08dz60_set_value(struct gpio_chip *gc, unsigned offset, int val) { - struct mc9s08dz60 *mc9s = to_mc9s08dz60(gc); + struct mc9s08dz60 *mc9s = gpiochip_get_data(gc); mc9s08dz60_set(mc9s, offset, val); } @@ -83,7 +77,7 @@ static void mc9s08dz60_set_value(struct gpio_chip *gc, unsigned offset, int val) static int mc9s08dz60_direction_output(struct gpio_chip *gc, unsigned offset, int val) { - struct mc9s08dz60 *mc9s = to_mc9s08dz60(gc); + struct mc9s08dz60 *mc9s = gpiochip_get_data(gc); return mc9s08dz60_set(mc9s, offset, val); } @@ -109,7 +103,7 @@ static int mc9s08dz60_probe(struct i2c_client *client, mc9s->client = client; i2c_set_clientdata(client, mc9s); - return gpiochip_add(&mc9s->chip); + return gpiochip_add_data(&mc9s->chip, mc9s); } static int mc9s08dz60_remove(struct i2c_client *client) |