From: Linus Walleij <linus.walleij@linaro.org>
To: linux-gpio@vger.kernel.org, Johan Hovold <johan@kernel.org>,
Alexandre Courbot <acourbot@nvidia.com>,
Michael Welling <mwelling@ieee.org>,
Markus Pargmann <mpa@pengutronix.de>,
Antti Palosaari <crope@iki.fi>,
Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: Linus Walleij <linus.walleij@linaro.org>, linux-media@vger.kernel.org
Subject: [PATCH 160/182] [media]: cxd2830r: use gpiochip data pointer
Date: Wed, 9 Dec 2015 14:46:55 +0100 [thread overview]
Message-ID: <1449668815-6072-1-git-send-email-linus.walleij@linaro.org> (raw)
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>
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
Mauro: please ACK this so I can merge it in the GPIO tree.
---
drivers/media/dvb-frontends/cxd2820r_core.c | 11 ++++-------
1 file 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;
--
2.4.3
reply other threads:[~2015-12-09 13:46 UTC|newest]
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