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authorLinus Walleij <linus.walleij@linaro.org>2015-12-07 14:24:24 +0100
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 11:21:13 +0100
commit8ca7f1fab866a0ce22c878cb824ba5f73c3e0556 (patch)
tree11b69d04ab612551a96801004fb67cad3f44c3fb /drivers/gpio
parentgpio: sch: use gpiochip data pointer (diff)
downloadlinux-8ca7f1fab866a0ce22c878cb824ba5f73c3e0556.tar.xz
linux-8ca7f1fab866a0ce22c878cb824ba5f73c3e0556.zip
gpio: sch311x: 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(). Acked-by: Bruno Randolf <br1@einfach.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-sch311x.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/gpio/gpio-sch311x.c b/drivers/gpio/gpio-sch311x.c
index b454792de778..1cbd77a04e7b 100644
--- a/drivers/gpio/gpio-sch311x.c
+++ b/drivers/gpio/gpio-sch311x.c
@@ -93,13 +93,6 @@ static struct sch311x_gpio_block_def sch311x_gpio_blocks[] = {
},
};
-static inline struct sch311x_gpio_block *
-to_sch311x_gpio_block(struct gpio_chip *chip)
-{
- return container_of(chip, struct sch311x_gpio_block, chip);
-}
-
-
/*
* Super-IO functions
*/
@@ -142,7 +135,7 @@ static inline void sch311x_sio_outb(int sio_config_port, int reg, int val)
static int sch311x_gpio_request(struct gpio_chip *chip, unsigned offset)
{
- struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip);
+ struct sch311x_gpio_block *block = gpiochip_get_data(chip);
if (block->config_regs[offset] == 0) /* GPIO is not available */
return -ENODEV;
@@ -158,7 +151,7 @@ static int sch311x_gpio_request(struct gpio_chip *chip, unsigned offset)
static void sch311x_gpio_free(struct gpio_chip *chip, unsigned offset)
{
- struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip);
+ struct sch311x_gpio_block *block = gpiochip_get_data(chip);
if (block->config_regs[offset] == 0) /* GPIO is not available */
return;
@@ -168,7 +161,7 @@ static void sch311x_gpio_free(struct gpio_chip *chip, unsigned offset)
static int sch311x_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip);
+ struct sch311x_gpio_block *block = gpiochip_get_data(chip);
unsigned char data;
spin_lock(&block->lock);
@@ -192,7 +185,7 @@ static void __sch311x_gpio_set(struct sch311x_gpio_block *block,
static void sch311x_gpio_set(struct gpio_chip *chip, unsigned offset,
int value)
{
- struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip);
+ struct sch311x_gpio_block *block = gpiochip_get_data(chip);
spin_lock(&block->lock);
__sch311x_gpio_set(block, offset, value);
@@ -201,7 +194,7 @@ static void sch311x_gpio_set(struct gpio_chip *chip, unsigned offset,
static int sch311x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
{
- struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip);
+ struct sch311x_gpio_block *block = gpiochip_get_data(chip);
spin_lock(&block->lock);
outb(SCH311X_GPIO_CONF_IN, block->runtime_reg +
@@ -214,7 +207,7 @@ static int sch311x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
static int sch311x_gpio_direction_out(struct gpio_chip *chip, unsigned offset,
int value)
{
- struct sch311x_gpio_block *block = to_sch311x_gpio_block(chip);
+ struct sch311x_gpio_block *block = gpiochip_get_data(chip);
spin_lock(&block->lock);
@@ -267,7 +260,7 @@ static int sch311x_gpio_probe(struct platform_device *pdev)
block->data_reg = sch311x_gpio_blocks[i].data_reg;
block->runtime_reg = pdata->runtime_reg;
- err = gpiochip_add(&block->chip);
+ err = gpiochip_add_data(&block->chip, block);
if (err < 0) {
dev_err(&pdev->dev,
"Could not register gpiochip, %d\n", err);