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gpio: pch: 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: Thierry Reding <treding@nvidia.com>
Cc: Daniel Krueger <daniel.krueger@systec-electronic.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 11:34:53 +01:00
parent 597358e410
commit 510f487137
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpio/gpio-pch.c
View File

@ -109,7 +109,7 @@ struct pch_gpio {
static void pch_gpio_set(struct gpio_chip *gpio, unsigned nr, int val)
{
u32 reg_val;
struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio);
struct pch_gpio *chip = gpiochip_get_data(gpio);
unsigned long flags;
spin_lock_irqsave(&chip->spinlock, flags);
@ -125,7 +125,7 @@ static void pch_gpio_set(struct gpio_chip *gpio, unsigned nr, int val)
static int pch_gpio_get(struct gpio_chip *gpio, unsigned nr)
{
struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio);
struct pch_gpio *chip = gpiochip_get_data(gpio);
return !!(ioread32(&chip->reg->pi) & (1 << nr));
}
@ -133,7 +133,7 @@ static int pch_gpio_get(struct gpio_chip *gpio, unsigned nr)
static int pch_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
int val)
{
struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio);
struct pch_gpio *chip = gpiochip_get_data(gpio);
u32 pm;
u32 reg_val;
unsigned long flags;
@ -158,7 +158,7 @@ static int pch_gpio_direction_output(struct gpio_chip *gpio, unsigned nr,
static int pch_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
{
struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio);
struct pch_gpio *chip = gpiochip_get_data(gpio);
u32 pm;
unsigned long flags;
@ -211,7 +211,7 @@ static void pch_gpio_restore_reg_conf(struct pch_gpio *chip)
static int pch_gpio_to_irq(struct gpio_chip *gpio, unsigned offset)
{
struct pch_gpio *chip = container_of(gpio, struct pch_gpio, gpio);
struct pch_gpio *chip = gpiochip_get_data(gpio);
return chip->irq_base + offset;
}
@ -397,7 +397,7 @@ static int pch_gpio_probe(struct pci_dev *pdev,
#ifdef CONFIG_OF_GPIO
chip->gpio.of_node = pdev->dev.of_node;
#endif
ret = gpiochip_add(&chip->gpio);
ret = gpiochip_add_data(&chip->gpio, chip);
if (ret) {
dev_err(&pdev->dev, "PCH gpio: Failed to register GPIO\n");
goto err_gpiochip_add;