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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 17:22:31 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:19 +0300
commite730a5953af4c54a50fb7712af4dd9468dedcd22 (patch)
treedd994fb89002c0548dacf6f844c8834da700657b /drivers
parent097d88e94c44112327011f572c7fff82a44c1d54 (diff)
downloadlinux-e730a5953af4c54a50fb7712af4dd9468dedcd22.tar.xz
gpio: xlp: 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: Kamlakant Patel <kamlakant.patel@broadcom.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpio/gpio-xlp.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-xlp.c b/drivers/gpio/gpio-xlp.c
index 3f31aac2ba3c..aa5813d2deb1 100644
--- a/drivers/gpio/gpio-xlp.c
+++ b/drivers/gpio/gpio-xlp.c
@@ -100,11 +100,6 @@ struct xlp_gpio_priv {
spinlock_t lock;
};
-static struct xlp_gpio_priv *gpio_chip_to_xlp_priv(struct gpio_chip *gc)
-{
- return container_of(gc, struct xlp_gpio_priv, chip);
-}
-
static int xlp_gpio_get_reg(void __iomem *addr, unsigned gpio)
{
u32 pos, regset;
@@ -133,7 +128,7 @@ static void xlp_gpio_set_reg(void __iomem *addr, unsigned gpio, int state)
static void xlp_gpio_irq_disable(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
@@ -145,7 +140,7 @@ static void xlp_gpio_irq_disable(struct irq_data *d)
static void xlp_gpio_irq_mask_ack(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
@@ -158,7 +153,7 @@ static void xlp_gpio_irq_mask_ack(struct irq_data *d)
static void xlp_gpio_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
@@ -170,7 +165,7 @@ static void xlp_gpio_irq_unmask(struct irq_data *d)
static int xlp_gpio_set_irq_type(struct irq_data *d, unsigned int type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
int pol, irq_type;
switch (type) {
@@ -235,7 +230,7 @@ static void xlp_gpio_generic_handler(struct irq_desc *desc)
static int xlp_gpio_dir_output(struct gpio_chip *gc, unsigned gpio, int state)
{
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
BUG_ON(gpio >= gc->ngpio);
xlp_gpio_set_reg(priv->gpio_out_en, gpio, 0x1);
@@ -245,7 +240,7 @@ static int xlp_gpio_dir_output(struct gpio_chip *gc, unsigned gpio, int state)
static int xlp_gpio_dir_input(struct gpio_chip *gc, unsigned gpio)
{
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
BUG_ON(gpio >= gc->ngpio);
xlp_gpio_set_reg(priv->gpio_out_en, gpio, 0x0);
@@ -255,7 +250,7 @@ static int xlp_gpio_dir_input(struct gpio_chip *gc, unsigned gpio)
static int xlp_gpio_get(struct gpio_chip *gc, unsigned gpio)
{
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
BUG_ON(gpio >= gc->ngpio);
return xlp_gpio_get_reg(priv->gpio_paddrv, gpio);
@@ -263,7 +258,7 @@ static int xlp_gpio_get(struct gpio_chip *gc, unsigned gpio)
static void xlp_gpio_set(struct gpio_chip *gc, unsigned gpio, int state)
{
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
BUG_ON(gpio >= gc->ngpio);
xlp_gpio_set_reg(priv->gpio_paddrv, gpio, state);
@@ -388,7 +383,7 @@ static int xlp_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
- err = gpiochip_add(gc);
+ err = gpiochip_add_data(gc, priv);
if (err < 0)
goto out_free_desc;