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authorLinus Walleij <linus.walleij@linaro.org>2015-12-04 17:39:50 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 13:21:03 +0300
commitba4a74485a32c1a5ea04e9ce9318cd73ed746fe2 (patch)
treed3d633ce49bc4186c0f3c5f984f6765ec39636ea /drivers/gpio/gpio-bcm-kona.c
parentb4e97a61255cde7e5b2f2484140547ba37c7292c (diff)
downloadlinux-ba4a74485a32c1a5ea04e9ce9318cd73ed746fe2.tar.xz
gpio: bcm-kona: 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: Markus Mayer <markus.mayer@linaro.org> Cc: Tim Kryger <tim.kryger@linaro.org> Cc: Matt Porter <matt.porter@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-bcm-kona.c')
-rw-r--r--drivers/gpio/gpio-bcm-kona.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index 21c3280d66e1..b6c5abe85daf 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -78,11 +78,6 @@ struct bcm_kona_gpio_bank {
struct bcm_kona_gpio *kona_gpio;
};
-static inline struct bcm_kona_gpio *to_kona_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct bcm_kona_gpio, gpio_chip);
-}
-
static inline void bcm_kona_gpio_write_lock_regs(void __iomem *reg_base,
int bank_id, u32 lockcode)
{
@@ -124,7 +119,7 @@ static void bcm_kona_gpio_unlock_gpio(struct bcm_kona_gpio *kona_gpio,
static int bcm_kona_gpio_get_dir(struct gpio_chip *chip, unsigned gpio)
{
- struct bcm_kona_gpio *kona_gpio = to_kona_gpio(chip);
+ struct bcm_kona_gpio *kona_gpio = gpiochip_get_data(chip);
void __iomem *reg_base = kona_gpio->reg_base;
u32 val;
@@ -141,7 +136,7 @@ static void bcm_kona_gpio_set(struct gpio_chip *chip, unsigned gpio, int value)
u32 val, reg_offset;
unsigned long flags;
- kona_gpio = to_kona_gpio(chip);
+ kona_gpio = gpiochip_get_data(chip);
reg_base = kona_gpio->reg_base;
spin_lock_irqsave(&kona_gpio->lock, flags);
@@ -168,7 +163,7 @@ static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio)
u32 val, reg_offset;
unsigned long flags;
- kona_gpio = to_kona_gpio(chip);
+ kona_gpio = gpiochip_get_data(chip);
reg_base = kona_gpio->reg_base;
spin_lock_irqsave(&kona_gpio->lock, flags);
@@ -188,7 +183,7 @@ static int bcm_kona_gpio_get(struct gpio_chip *chip, unsigned gpio)
static int bcm_kona_gpio_request(struct gpio_chip *chip, unsigned gpio)
{
- struct bcm_kona_gpio *kona_gpio = to_kona_gpio(chip);
+ struct bcm_kona_gpio *kona_gpio = gpiochip_get_data(chip);
bcm_kona_gpio_unlock_gpio(kona_gpio, gpio);
return 0;
@@ -196,7 +191,7 @@ static int bcm_kona_gpio_request(struct gpio_chip *chip, unsigned gpio)
static void bcm_kona_gpio_free(struct gpio_chip *chip, unsigned gpio)
{
- struct bcm_kona_gpio *kona_gpio = to_kona_gpio(chip);
+ struct bcm_kona_gpio *kona_gpio = gpiochip_get_data(chip);
bcm_kona_gpio_lock_gpio(kona_gpio, gpio);
}
@@ -208,7 +203,7 @@ static int bcm_kona_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
u32 val;
unsigned long flags;
- kona_gpio = to_kona_gpio(chip);
+ kona_gpio = gpiochip_get_data(chip);
reg_base = kona_gpio->reg_base;
spin_lock_irqsave(&kona_gpio->lock, flags);
@@ -232,7 +227,7 @@ static int bcm_kona_gpio_direction_output(struct gpio_chip *chip,
u32 val, reg_offset;
unsigned long flags;
- kona_gpio = to_kona_gpio(chip);
+ kona_gpio = gpiochip_get_data(chip);
reg_base = kona_gpio->reg_base;
spin_lock_irqsave(&kona_gpio->lock, flags);
@@ -255,7 +250,7 @@ static int bcm_kona_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
{
struct bcm_kona_gpio *kona_gpio;
- kona_gpio = to_kona_gpio(chip);
+ kona_gpio = gpiochip_get_data(chip);
if (gpio >= kona_gpio->gpio_chip.ngpio)
return -ENXIO;
return irq_create_mapping(kona_gpio->irq_domain, gpio);
@@ -269,7 +264,7 @@ static int bcm_kona_gpio_set_debounce(struct gpio_chip *chip, unsigned gpio,
u32 val, res;
unsigned long flags;
- kona_gpio = to_kona_gpio(chip);
+ kona_gpio = gpiochip_get_data(chip);
reg_base = kona_gpio->reg_base;
/* debounce must be 1-128ms (or 0) */
if ((debounce > 0 && debounce < 1000) || debounce > 128000) {
@@ -635,7 +630,7 @@ static int bcm_kona_gpio_probe(struct platform_device *pdev)
bcm_kona_gpio_reset(kona_gpio);
- ret = gpiochip_add(chip);
+ ret = gpiochip_add_data(chip, kona_gpio);
if (ret < 0) {
dev_err(dev, "Couldn't add GPIO chip -- %d\n", ret);
goto err_irq_domain;