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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 14:57:25 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 11:21:16 +0100
commit059e3972d00760e7d6dda54789fbbe05acf186a1 (patch)
tree844ae582d3531e0e992b0ba0fa25c9624e59aea3 /drivers/gpio
parentgpio: twl4030: use gpiochip data pointer (diff)
downloadlinux-059e3972d00760e7d6dda54789fbbe05acf186a1.tar.xz
linux-059e3972d00760e7d6dda54789fbbe05acf186a1.zip
gpio: tz1090-pdc: 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: James Hogan <james.hogan@imgtec.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-tz1090-pdc.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpio/gpio-tz1090-pdc.c b/drivers/gpio/gpio-tz1090-pdc.c
index b08b22b1b111..5b7781741ee9 100644
--- a/drivers/gpio/gpio-tz1090-pdc.c
+++ b/drivers/gpio/gpio-tz1090-pdc.c
@@ -49,7 +49,6 @@ struct tz1090_pdc_gpio {
void __iomem *reg;
int irq[GPIO_PDC_NIRQ];
};
-#define to_pdc(c) container_of(c, struct tz1090_pdc_gpio, chip)
/* Register accesses into the PDC MMIO area */
@@ -70,7 +69,7 @@ static inline unsigned int pdc_read(struct tz1090_pdc_gpio *priv,
static int tz1090_pdc_gpio_direction_input(struct gpio_chip *chip,
unsigned int offset)
{
- struct tz1090_pdc_gpio *priv = to_pdc(chip);
+ struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip);
u32 value;
int lstat;
@@ -87,7 +86,7 @@ static int tz1090_pdc_gpio_direction_output(struct gpio_chip *chip,
unsigned int offset,
int output_value)
{
- struct tz1090_pdc_gpio *priv = to_pdc(chip);
+ struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip);
u32 value;
int lstat;
@@ -112,14 +111,14 @@ static int tz1090_pdc_gpio_direction_output(struct gpio_chip *chip,
static int tz1090_pdc_gpio_get(struct gpio_chip *chip, unsigned int offset)
{
- struct tz1090_pdc_gpio *priv = to_pdc(chip);
+ struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip);
return !!(pdc_read(priv, REG_SOC_GPIO_STATUS) & BIT(offset));
}
static void tz1090_pdc_gpio_set(struct gpio_chip *chip, unsigned int offset,
int output_value)
{
- struct tz1090_pdc_gpio *priv = to_pdc(chip);
+ struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip);
u32 value;
int lstat;
@@ -139,7 +138,7 @@ static void tz1090_pdc_gpio_set(struct gpio_chip *chip, unsigned int offset,
static int tz1090_pdc_gpio_to_irq(struct gpio_chip *chip, unsigned int offset)
{
- struct tz1090_pdc_gpio *priv = to_pdc(chip);
+ struct tz1090_pdc_gpio *priv = gpiochip_get_data(chip);
unsigned int syswake = offset - GPIO_PDC_IRQ_FIRST;
int irq;
@@ -207,7 +206,7 @@ static int tz1090_pdc_gpio_probe(struct platform_device *pdev)
priv->irq[i] = irq_of_parse_and_map(np, i);
/* Add the GPIO bank */
- gpiochip_add(&priv->chip);
+ gpiochip_add_data(&priv->chip, priv);
return 0;
}