summaryrefslogtreecommitdiff
path: root/drivers/gpio/gpio-mc9s08dz60.c
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 12:07:07 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:08 +0300
commitcf90c9e35be883d8ebcca3d4a2b1044a234f24d8 (patch)
tree2fd9f3b09b2698f900112ff7b4314264293e8924 /drivers/gpio/gpio-mc9s08dz60.c
parent609f9692ccd7034aaf620a6cd4ec1b6fb9ba4c7b (diff)
downloadlinux-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.c14
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, &reg, &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)