diff mbox

[049/182] gpio: pcf857x: use gpiochip data pointer

Message ID 1449667180-32071-1-git-send-email-linus.walleij@linaro.org
State Accepted
Commit 597358e41070e03479a7724b16eb3c6c7ea50027
Headers show

Commit Message

Linus Walleij Dec. 9, 2015, 1:19 p.m. UTC 
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: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: George Cherian <george.cherian@ti.com>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

---
 drivers/gpio/gpio-pcf857x.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

-- 
2.4.3

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diff mbox

Patch

diff --git a/drivers/gpio/gpio-pcf857x.c b/drivers/gpio/gpio-pcf857x.c
index 407ca5e1aafa..ca340ed8a200 100644
--- a/drivers/gpio/gpio-pcf857x.c
+++ b/drivers/gpio/gpio-pcf857x.c
@@ -137,7 +137,7 @@  static int i2c_read_le16(struct i2c_client *client)
 
 static int pcf857x_input(struct gpio_chip *chip, unsigned offset)
 {
-	struct pcf857x	*gpio = container_of(chip, struct pcf857x, chip);
+	struct pcf857x	*gpio = gpiochip_get_data(chip);
 	int		status;
 
 	mutex_lock(&gpio->lock);
@@ -150,7 +150,7 @@  static int pcf857x_input(struct gpio_chip *chip, unsigned offset)
 
 static int pcf857x_get(struct gpio_chip *chip, unsigned offset)
 {
-	struct pcf857x	*gpio = container_of(chip, struct pcf857x, chip);
+	struct pcf857x	*gpio = gpiochip_get_data(chip);
 	int		value;
 
 	value = gpio->read(gpio->client);
@@ -159,7 +159,7 @@  static int pcf857x_get(struct gpio_chip *chip, unsigned offset)
 
 static int pcf857x_output(struct gpio_chip *chip, unsigned offset, int value)
 {
-	struct pcf857x	*gpio = container_of(chip, struct pcf857x, chip);
+	struct pcf857x	*gpio = gpiochip_get_data(chip);
 	unsigned	bit = 1 << offset;
 	int		status;
 
@@ -372,7 +372,7 @@  static int pcf857x_probe(struct i2c_client *client,
 	gpio->out = ~n_latch;
 	gpio->status = gpio->out;
 
-	status = gpiochip_add(&gpio->chip);
+	status = gpiochip_add_data(&gpio->chip, gpio);
 	if (status < 0)
 		goto fail;