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gpio: twl4030: 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: Roger Quadros <rogerq@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 14:55:07 +01:00
parent 11ab89ac4d
commit 231a8680b7
1 changed files with 8 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/gpio/gpio-twl4030.c
View File

@ -76,11 +76,6 @@ struct gpio_twl4030_priv {
/*----------------------------------------------------------------------*/
static inline struct gpio_twl4030_priv *to_gpio_twl4030(struct gpio_chip *chip)
{
return container_of(chip, struct gpio_twl4030_priv, gpio_chip);
}
/*
* To configure TWL4030 GPIO module registers
*/
@ -205,7 +200,7 @@ static int twl4030_get_gpio_datain(int gpio)
static int twl_request(struct gpio_chip *chip, unsigned offset)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
struct gpio_twl4030_priv *priv = gpiochip_get_data(chip);
int status = 0;
mutex_lock(&priv->mutex);
@ -273,7 +268,7 @@ done:
static void twl_free(struct gpio_chip *chip, unsigned offset)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
struct gpio_twl4030_priv *priv = gpiochip_get_data(chip);
mutex_lock(&priv->mutex);
if (offset >= TWL4030_GPIO_MAX) {
@ -293,7 +288,7 @@ out:
static int twl_direction_in(struct gpio_chip *chip, unsigned offset)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
struct gpio_twl4030_priv *priv = gpiochip_get_data(chip);
int ret;
mutex_lock(&priv->mutex);
@ -312,7 +307,7 @@ static int twl_direction_in(struct gpio_chip *chip, unsigned offset)
static int twl_get(struct gpio_chip *chip, unsigned offset)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
struct gpio_twl4030_priv *priv = gpiochip_get_data(chip);
int ret;
int status = 0;
@ -335,7 +330,7 @@ out:
static void twl_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
struct gpio_twl4030_priv *priv = gpiochip_get_data(chip);
mutex_lock(&priv->mutex);
if (offset < TWL4030_GPIO_MAX)
@ -353,7 +348,7 @@ static void twl_set(struct gpio_chip *chip, unsigned offset, int value)
static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
struct gpio_twl4030_priv *priv = gpiochip_get_data(chip);
int ret = 0;
mutex_lock(&priv->mutex);
@ -379,7 +374,7 @@ static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value)
static int twl_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
struct gpio_twl4030_priv *priv = gpiochip_get_data(chip);
return (priv->irq_base && (offset < TWL4030_GPIO_MAX))
? (priv->irq_base + offset)
@ -544,7 +539,7 @@ no_irqs:
if (pdata->use_leds)
priv->gpio_chip.ngpio += 2;
ret = gpiochip_add(&priv->gpio_chip);
ret = gpiochip_add_data(&priv->gpio_chip, priv);
if (ret < 0) {
dev_err(&pdev->dev, "could not register gpiochip, %d\n", ret);
priv->gpio_chip.ngpio = 0;