diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 16:34:33 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 13:21:14 +0300 |
| commit | c63b30b08971ad5894061841a2c7f012eea747c0 (patch) | |
| tree | bd0a9482506322502b20f7008e3982697a665fcc /drivers/gpio | |
| parent | b03c04a0aab1715ca8c501d41f9175a9047ef79f (diff) | |
| download | linux-c63b30b08971ad5894061841a2c7f012eea747c0.tar.xz | |
gpio: stp-xway: 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: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-stp-xway.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/gpio/gpio-stp-xway.c b/drivers/gpio/gpio-stp-xway.c index c250f21b9e40..d11dd48570b2 100644 --- a/drivers/gpio/gpio-stp-xway.c +++ b/drivers/gpio/gpio-stp-xway.c @@ -100,8 +100,7 @@ struct xway_stp { */ static void xway_stp_set(struct gpio_chip *gc, unsigned gpio, int val) { - struct xway_stp *chip = - container_of(gc, struct xway_stp, gc); + struct xway_stp *chip = gpiochip_get_data(gc); if (val) chip->shadow |= BIT(gpio); @@ -135,8 +134,7 @@ static int xway_stp_dir_out(struct gpio_chip *gc, unsigned gpio, int val) */ static int xway_stp_request(struct gpio_chip *gc, unsigned gpio) { - struct xway_stp *chip = - container_of(gc, struct xway_stp, gc); + struct xway_stp *chip = gpiochip_get_data(gc); if ((gpio < 8) && (chip->reserved & BIT(gpio))) { dev_err(gc->parent, "GPIO %d is driven by hardware\n", gpio); @@ -260,7 +258,7 @@ static int xway_stp_probe(struct platform_device *pdev) ret = xway_stp_hw_init(chip); if (!ret) - ret = gpiochip_add(&chip->gc); + ret = gpiochip_add_data(&chip->gc, chip); if (!ret) dev_info(&pdev->dev, "Init done\n"); |