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gpio: bt8xx: 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: Michael Buesch <m@bues.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-04 15:44:16 +01:00
parent ba4a74485a
commit e51b55236c
1 changed files with 5 additions and 5 deletions
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10
drivers/gpio/gpio-bt8xx.c
View File

@ -80,7 +80,7 @@ MODULE_PARM_DESC(gpiobase, "The GPIO number base. -1 means dynamic, which is the
static int bt8xxgpio_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
{
struct bt8xxgpio *bg = container_of(gpio, struct bt8xxgpio, gpio);
struct bt8xxgpio *bg = gpiochip_get_data(gpio);
unsigned long flags;
u32 outen, data;
@ -101,7 +101,7 @@ static int bt8xxgpio_gpio_direction_input(struct gpio_chip *gpio, unsigned nr)
static int bt8xxgpio_gpio_get(struct gpio_chip *gpio, unsigned nr)
{
struct bt8xxgpio *bg = container_of(gpio, struct bt8xxgpio, gpio);
struct bt8xxgpio *bg = gpiochip_get_data(gpio);
unsigned long flags;
u32 val;
@ -115,7 +115,7 @@ static int bt8xxgpio_gpio_get(struct gpio_chip *gpio, unsigned nr)
static int bt8xxgpio_gpio_direction_output(struct gpio_chip *gpio,
unsigned nr, int val)
{
struct bt8xxgpio *bg = container_of(gpio, struct bt8xxgpio, gpio);
struct bt8xxgpio *bg = gpiochip_get_data(gpio);
unsigned long flags;
u32 outen, data;
@ -140,7 +140,7 @@ static int bt8xxgpio_gpio_direction_output(struct gpio_chip *gpio,
static void bt8xxgpio_gpio_set(struct gpio_chip *gpio,
unsigned nr, int val)
{
struct bt8xxgpio *bg = container_of(gpio, struct bt8xxgpio, gpio);
struct bt8xxgpio *bg = gpiochip_get_data(gpio);
unsigned long flags;
u32 data;
@ -217,7 +217,7 @@ static int bt8xxgpio_probe(struct pci_dev *dev,
bgwrite(0, BT848_GPIO_OUT_EN);
bt8xxgpio_gpio_setup(bg);
err = gpiochip_add(&bg->gpio);
err = gpiochip_add_data(&bg->gpio, bg);
if (err) {
printk(KERN_ERR "bt8xxgpio: Failed to register GPIOs\n");
goto err_disable;