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gpio: ts5500: use gpiochip data pointer

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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: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 14:52:55 +01:00
parent ad8dd23c45
commit 11ab89ac4d
1 changed files with 6 additions and 11 deletions
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17
drivers/gpio/gpio-ts5500.c
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@ -185,11 +185,6 @@ static const struct ts5500_dio ts5500_lcd[] = {
TS5500_DIO_IN_IRQ(0x73, 7, 1),
};
static inline struct ts5500_priv *ts5500_gc_to_priv(struct gpio_chip *chip)
{
return container_of(chip, struct ts5500_priv, gpio_chip);
}
static inline void ts5500_set_mask(u8 mask, u8 addr)
{
u8 val = inb(addr);
@ -206,7 +201,7 @@ static inline void ts5500_clear_mask(u8 mask, u8 addr)
static int ts5500_gpio_input(struct gpio_chip *chip, unsigned offset)
{
struct ts5500_priv *priv = ts5500_gc_to_priv(chip);
struct ts5500_priv *priv = gpiochip_get_data(chip);
const struct ts5500_dio line = priv->pinout[offset];
unsigned long flags;
@ -225,7 +220,7 @@ static int ts5500_gpio_input(struct gpio_chip *chip, unsigned offset)
static int ts5500_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct ts5500_priv *priv = ts5500_gc_to_priv(chip);
struct ts5500_priv *priv = gpiochip_get_data(chip);
const struct ts5500_dio line = priv->pinout[offset];
return !!(inb(line.value_addr) & line.value_mask);
@ -233,7 +228,7 @@ static int ts5500_gpio_get(struct gpio_chip *chip, unsigned offset)
static int ts5500_gpio_output(struct gpio_chip *chip, unsigned offset, int val)
{
struct ts5500_priv *priv = ts5500_gc_to_priv(chip);
struct ts5500_priv *priv = gpiochip_get_data(chip);
const struct ts5500_dio line = priv->pinout[offset];
unsigned long flags;
@ -255,7 +250,7 @@ static int ts5500_gpio_output(struct gpio_chip *chip, unsigned offset, int val)
static void ts5500_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
{
struct ts5500_priv *priv = ts5500_gc_to_priv(chip);
struct ts5500_priv *priv = gpiochip_get_data(chip);
const struct ts5500_dio line = priv->pinout[offset];
unsigned long flags;
@ -269,7 +264,7 @@ static void ts5500_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
static int ts5500_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct ts5500_priv *priv = ts5500_gc_to_priv(chip);
struct ts5500_priv *priv = gpiochip_get_data(chip);
const struct ts5500_dio *block = priv->pinout;
const struct ts5500_dio line = block[offset];
@ -414,7 +409,7 @@ static int ts5500_dio_probe(struct platform_device *pdev)
break;
}
ret = gpiochip_add(&priv->gpio_chip);
ret = gpiochip_add_data(&priv->gpio_chip, priv);
if (ret) {
dev_err(dev, "failed to register the gpio chip\n");
return ret;