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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 11:09:24 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 11:21:09 +0100
commitbbe760041a05d51746f1b1cd658aaef91466bafc (patch)
treebeb01d90324d3f3ee5f3c6e8ddca81e6a875f37f /drivers/gpio/gpio-mvebu.c
parenta772a26da7cf605ed33382d7822ebfac18c6b1ef (diff)
downloadop-kernel-dev-bbe760041a05d51746f1b1cd658aaef91466bafc.zip
op-kernel-dev-bbe760041a05d51746f1b1cd658aaef91466bafc.tar.gz
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>
Diffstat (limited to 'drivers/gpio/gpio-mvebu.c')
-rw-r--r--drivers/gpio/gpio-mvebu.c23
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 6acedf4..a5eacc1 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -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))
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