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[media] : cxd2830r: 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: Antti Palosaari <crope@iki.fi>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Linus Walleij 2015-12-09 11:46:55 -02:00 committed by Mauro Carvalho Chehab
parent 7655a3aea2
commit 27524ff8cd
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/media/dvb-frontends/cxd2820r_core.c
View File

@ -606,8 +606,7 @@ static int cxd2820r_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
static int cxd2820r_gpio_direction_output(struct gpio_chip *chip, unsigned nr,
int val)
{
struct cxd2820r_priv *priv =
container_of(chip, struct cxd2820r_priv, gpio_chip);
struct cxd2820r_priv *priv = gpiochip_get_data(chip);
u8 gpio[GPIO_COUNT];
dev_dbg(&priv->i2c->dev, "%s: nr=%d val=%d\n", __func__, nr, val);
@ -620,8 +619,7 @@ static int cxd2820r_gpio_direction_output(struct gpio_chip *chip, unsigned nr,
static void cxd2820r_gpio_set(struct gpio_chip *chip, unsigned nr, int val)
{
struct cxd2820r_priv *priv =
container_of(chip, struct cxd2820r_priv, gpio_chip);
struct cxd2820r_priv *priv = gpiochip_get_data(chip);
u8 gpio[GPIO_COUNT];
dev_dbg(&priv->i2c->dev, "%s: nr=%d val=%d\n", __func__, nr, val);
@ -636,8 +634,7 @@ static void cxd2820r_gpio_set(struct gpio_chip *chip, unsigned nr, int val)
static int cxd2820r_gpio_get(struct gpio_chip *chip, unsigned nr)
{
struct cxd2820r_priv *priv =
container_of(chip, struct cxd2820r_priv, gpio_chip);
struct cxd2820r_priv *priv = gpiochip_get_data(chip);
dev_dbg(&priv->i2c->dev, "%s: nr=%d\n", __func__, nr);
@ -731,7 +728,7 @@ struct dvb_frontend *cxd2820r_attach(const struct cxd2820r_config *cfg,
priv->gpio_chip.base = -1; /* dynamic allocation */
priv->gpio_chip.ngpio = GPIO_COUNT;
priv->gpio_chip.can_sleep = 1;
ret = gpiochip_add(&priv->gpio_chip);
ret = gpiochip_add_data(&priv->gpio_chip, priv);
if (ret)
goto error;