diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-06 12:55:28 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-01-05 13:21:05 +0300 |
| commit | 5c77c0212b97693219ead6dcddf7e036421012d7 (patch) | |
| tree | b79c4f6980af204992883f17ebf55926c64e92db | |
| parent | f372d5f59cc4879eee3efe19e309f95c4078d748 (diff) | |
| download | linux-5c77c0212b97693219ead6dcddf7e036421012d7.tar.xz | |
gpio: intel-mid: 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: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpio-intel-mid.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-intel-mid.c b/drivers/gpio/gpio-intel-mid.c index 26d2083a5901..cdaba13cb8e8 100644 --- a/drivers/gpio/gpio-intel-mid.c +++ b/drivers/gpio/gpio-intel-mid.c @@ -78,15 +78,10 @@ struct intel_mid_gpio { struct pci_dev *pdev; }; -static inline struct intel_mid_gpio *to_intel_gpio_priv(struct gpio_chip *gc) -{ - return container_of(gc, struct intel_mid_gpio, chip); -} - static void __iomem *gpio_reg(struct gpio_chip *chip, unsigned offset, enum GPIO_REG reg_type) { - struct intel_mid_gpio *priv = to_intel_gpio_priv(chip); + struct intel_mid_gpio *priv = gpiochip_get_data(chip); unsigned nreg = chip->ngpio / 32; u8 reg = offset / 32; @@ -96,7 +91,7 @@ static void __iomem *gpio_reg(struct gpio_chip *chip, unsigned offset, static void __iomem *gpio_reg_2bit(struct gpio_chip *chip, unsigned offset, enum GPIO_REG reg_type) { - struct intel_mid_gpio *priv = to_intel_gpio_priv(chip); + struct intel_mid_gpio *priv = gpiochip_get_data(chip); unsigned nreg = chip->ngpio / 32; u8 reg = offset / 16; @@ -138,7 +133,7 @@ static void intel_gpio_set(struct gpio_chip *chip, unsigned offset, int value) static int intel_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { - struct intel_mid_gpio *priv = to_intel_gpio_priv(chip); + struct intel_mid_gpio *priv = gpiochip_get_data(chip); void __iomem *gpdr = gpio_reg(chip, offset, GPDR); u32 value; unsigned long flags; @@ -161,7 +156,7 @@ static int intel_gpio_direction_input(struct gpio_chip *chip, unsigned offset) static int intel_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { - struct intel_mid_gpio *priv = to_intel_gpio_priv(chip); + struct intel_mid_gpio *priv = gpiochip_get_data(chip); void __iomem *gpdr = gpio_reg(chip, offset, GPDR); unsigned long flags; @@ -185,7 +180,7 @@ static int intel_gpio_direction_output(struct gpio_chip *chip, static int intel_mid_irq_type(struct irq_data *d, unsigned type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct intel_mid_gpio *priv = to_intel_gpio_priv(gc); + struct intel_mid_gpio *priv = gpiochip_get_data(gc); u32 gpio = irqd_to_hwirq(d); unsigned long flags; u32 value; @@ -304,7 +299,7 @@ MODULE_DEVICE_TABLE(pci, intel_gpio_ids); static void intel_mid_irq_handler(struct irq_desc *desc) { struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct intel_mid_gpio *priv = to_intel_gpio_priv(gc); + struct intel_mid_gpio *priv = gpiochip_get_data(gc); struct irq_data *data = irq_desc_get_irq_data(desc); struct irq_chip *chip = irq_data_get_irq_chip(data); u32 base, gpio, mask; @@ -406,7 +401,7 @@ static int intel_gpio_probe(struct pci_dev *pdev, spin_lock_init(&priv->lock); pci_set_drvdata(pdev, priv); - retval = gpiochip_add(&priv->chip); + retval = gpiochip_add_data(&priv->chip, priv); if (retval) { dev_err(&pdev->dev, "gpiochip_add error %d\n", retval); return retval; |