diff options
| author |   Linus Walleij <linus.walleij@linaro.org> | 2015-12-07 15:22:31 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 11:21:19 +0100 |
| commit | e730a5953af4c54a50fb7712af4dd9468dedcd22 (patch) | |
| tree | dd994fb89002c0548dacf6f844c8834da700657b /drivers/gpio/gpio-xlp.c | |
| parent | gpio: xilinx: use gpiochip data pointer (diff) | |
| download | linux-dev-e730a5953af4c54a50fb7712af4dd9468dedcd22.tar.xz linux-dev-e730a5953af4c54a50fb7712af4dd9468dedcd22.zip | |
gpio: xlp: 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: Kamlakant Patel <kamlakant.patel@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-xlp.c')
| -rw-r--r-- | drivers/gpio/gpio-xlp.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-xlp.c b/drivers/gpio/gpio-xlp.c index 3f31aac2ba3c..aa5813d2deb1 100644 --- a/drivers/gpio/gpio-xlp.c +++ b/drivers/gpio/gpio-xlp.c @@ -100,11 +100,6 @@ struct xlp_gpio_priv { spinlock_t lock; }; -static struct xlp_gpio_priv *gpio_chip_to_xlp_priv(struct gpio_chip *gc) -{ - return container_of(gc, struct xlp_gpio_priv, chip); -} - static int xlp_gpio_get_reg(void __iomem *addr, unsigned gpio) { u32 pos, regset; @@ -133,7 +128,7 @@ static void xlp_gpio_set_reg(void __iomem *addr, unsigned gpio, int state) static void xlp_gpio_irq_disable(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -145,7 +140,7 @@ static void xlp_gpio_irq_disable(struct irq_data *d) static void xlp_gpio_irq_mask_ack(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -158,7 +153,7 @@ static void xlp_gpio_irq_mask_ack(struct irq_data *d) static void xlp_gpio_irq_unmask(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&priv->lock, flags); @@ -170,7 +165,7 @@ static void xlp_gpio_irq_unmask(struct irq_data *d) static int xlp_gpio_set_irq_type(struct irq_data *d, unsigned int type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); int pol, irq_type; switch (type) { @@ -235,7 +230,7 @@ static void xlp_gpio_generic_handler(struct irq_desc *desc) static int xlp_gpio_dir_output(struct gpio_chip *gc, unsigned gpio, int state) { - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); BUG_ON(gpio >= gc->ngpio); xlp_gpio_set_reg(priv->gpio_out_en, gpio, 0x1); @@ -245,7 +240,7 @@ static int xlp_gpio_dir_output(struct gpio_chip *gc, unsigned gpio, int state) static int xlp_gpio_dir_input(struct gpio_chip *gc, unsigned gpio) { - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); BUG_ON(gpio >= gc->ngpio); xlp_gpio_set_reg(priv->gpio_out_en, gpio, 0x0); @@ -255,7 +250,7 @@ static int xlp_gpio_dir_input(struct gpio_chip *gc, unsigned gpio) static int xlp_gpio_get(struct gpio_chip *gc, unsigned gpio) { - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); BUG_ON(gpio >= gc->ngpio); return xlp_gpio_get_reg(priv->gpio_paddrv, gpio); @@ -263,7 +258,7 @@ static int xlp_gpio_get(struct gpio_chip *gc, unsigned gpio) static void xlp_gpio_set(struct gpio_chip *gc, unsigned gpio, int state) { - struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc); + struct xlp_gpio_priv *priv = gpiochip_get_data(gc); BUG_ON(gpio >= gc->ngpio); xlp_gpio_set_reg(priv->gpio_paddrv, gpio, state); @@ -388,7 +383,7 @@ static int xlp_gpio_probe(struct platform_device *pdev) return -ENODEV; } - err = gpiochip_add(gc); + err = gpiochip_add_data(gc, priv); if (err < 0) goto out_free_desc; |