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Commit cf90c9e3 authored by Linus Walleij's avatar Linus Walleij
Browse files

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: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 609f9692

drivers/gpio/gpio-mc9s08dz60.c

+4 −10
Original line number Diff line number Diff line
@@ -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)