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authorLinus Walleij <linus.walleij@linaro.org>2015-12-09 11:46:55 -0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-01-25 13:02:13 -0200
commit27524ff8cd6c28ea3735f80f0374e0fc5494768f (patch)
tree0d072b1b63b279ce0d4b55c5854c8108027d049b /drivers/media/dvb-frontends/cxd2820r_core.c
parent7655a3aea2ca14b9d34af929304f3c08140cc91c (diff)
[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>
Diffstat (limited to 'drivers/media/dvb-frontends/cxd2820r_core.c')
-rw-r--r--drivers/media/dvb-frontends/cxd2820r_core.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c
index 24a457d9d803..ba4cb7557aa5 100644
--- a/drivers/media/dvb-frontends/cxd2820r_core.c
+++ b/drivers/media/dvb-frontends/cxd2820r_core.c
@@ -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;