@@ -72,14 +72,9 @@ static int idio_16_gpio_direction_output(struct gpio_chip *chip,
return 0;
}
-static struct idio_16_gpio *to_idio16gpio(struct gpio_chip *gc)
-{
- return container_of(gc, struct idio_16_gpio, chip);
-}
-
static int idio_16_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct idio_16_gpio *const idio16gpio = to_idio16gpio(chip);
+ struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip);
const unsigned mask = BIT(offset-16);
if (offset < 16)
@@ -93,7 +88,7 @@ static int idio_16_gpio_get(struct gpio_chip *chip, unsigned offset)
static void idio_16_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct idio_16_gpio *const idio16gpio = to_idio16gpio(chip);
+ struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip);
const unsigned mask = BIT(offset);
unsigned long flags;
@@ -118,7 +113,7 @@ static void idio_16_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static void idio_16_irq_ack(struct irq_data *data)
{
struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
- struct idio_16_gpio *const idio16gpio = to_idio16gpio(chip);
+ struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip);
unsigned long flags;
spin_lock_irqsave(&idio16gpio->lock, flags);
@@ -131,7 +126,7 @@ static void idio_16_irq_ack(struct irq_data *data)
static void idio_16_irq_mask(struct irq_data *data)
{
struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
- struct idio_16_gpio *const idio16gpio = to_idio16gpio(chip);
+ struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip);
const unsigned long mask = BIT(irqd_to_hwirq(data));
unsigned long flags;
@@ -149,7 +144,7 @@ static void idio_16_irq_mask(struct irq_data *data)
static void idio_16_irq_unmask(struct irq_data *data)
{
struct gpio_chip *chip = irq_data_get_irq_chip_data(data);
- struct idio_16_gpio *const idio16gpio = to_idio16gpio(chip);
+ struct idio_16_gpio *const idio16gpio = gpiochip_get_data(chip);
const unsigned long mask = BIT(irqd_to_hwirq(data));
const unsigned long prev_irq_mask = idio16gpio->irq_mask;
unsigned long flags;
@@ -236,7 +231,7 @@ static int __init idio_16_probe(struct platform_device *pdev)
dev_set_drvdata(dev, idio16gpio);
- err = gpiochip_add(&idio16gpio->chip);
+ err = gpiochip_add_data(&idio16gpio->chip, idio16gpio);
if (err) {
dev_err(dev, "GPIO registering failed (%d)\n", err);
goto err_gpio_register;
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: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- drivers/gpio/gpio-104-idio-16.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html