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WSL2-Linux-Kernel
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gpio: mvebu: 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: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 11:09:24 +01:00
Родитель a772a26da7
Коммит bbe760041a
1 изменённых файлов: 8 добавлений и 15 удалений
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23
drivers/gpio/gpio-mvebu.c
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@ -187,8 +187,7 @@ static void __iomem *mvebu_gpioreg_level_mask(struct mvebu_gpio_chip *mvchip)
static void mvebu_gpio_set(struct gpio_chip *chip, unsigned pin, int value)
{
struct mvebu_gpio_chip *mvchip =
container_of(chip, struct mvebu_gpio_chip, chip);
struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
unsigned long flags;
u32 u;
@ -204,8 +203,7 @@ static void mvebu_gpio_set(struct gpio_chip *chip, unsigned pin, int value)
static int mvebu_gpio_get(struct gpio_chip *chip, unsigned pin)
{
struct mvebu_gpio_chip *mvchip =
container_of(chip, struct mvebu_gpio_chip, chip);
struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
u32 u;
if (readl_relaxed(mvebu_gpioreg_io_conf(mvchip)) & (1 << pin)) {
@ -220,8 +218,7 @@ static int mvebu_gpio_get(struct gpio_chip *chip, unsigned pin)
static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value)
{
struct mvebu_gpio_chip *mvchip =
container_of(chip, struct mvebu_gpio_chip, chip);
struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
unsigned long flags;
u32 u;
@ -237,8 +234,7 @@ static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value)
static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin)
{
struct mvebu_gpio_chip *mvchip =
container_of(chip, struct mvebu_gpio_chip, chip);
struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
unsigned long flags;
int ret;
u32 u;
@ -261,8 +257,7 @@ static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin)
static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin,
int value)
{
struct mvebu_gpio_chip *mvchip =
container_of(chip, struct mvebu_gpio_chip, chip);
struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
unsigned long flags;
int ret;
u32 u;
@ -287,8 +282,7 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin,
static int mvebu_gpio_to_irq(struct gpio_chip *chip, unsigned pin)
{
struct mvebu_gpio_chip *mvchip =
container_of(chip, struct mvebu_gpio_chip, chip);
struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
return irq_create_mapping(mvchip->domain, pin);
}
@ -494,8 +488,7 @@ static void mvebu_gpio_irq_handler(struct irq_desc *desc)
static void mvebu_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
{
struct mvebu_gpio_chip *mvchip =
container_of(chip, struct mvebu_gpio_chip, chip);
struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip);
u32 out, io_conf, blink, in_pol, data_in, cause, edg_msk, lvl_msk;
int i;
@ -763,7 +756,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
BUG();
}
gpiochip_add(&mvchip->chip);
gpiochip_add_data(&mvchip->chip, mvchip);
/* Some gpio controllers do not provide irq support */
if (!of_irq_count(np))