On 12/09/2015 02:43 PM, Linus Walleij wrote:
> 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: Rafał Miłecki <zaj...@gmail.com>
> Cc: Hauke Mehrtens <ha...@hauke-m.de>
> Cc: Kalle Valo <kv...@codeaurora.org>
> Cc: linux-wirel...@vger.kernel.org
> Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
> ---
> BCMA maintainers: please ACK this so I can take it through the
> GPIO tree.
> ---
Acked-by: Hauke Mehrtens <ha...@hauke-m.de>
> drivers/bcma/driver_gpio.c | 23 +++++++++--------------
> 1 file changed, 9 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
> index 949754427ce2..98067f757fb0 100644
> --- a/drivers/bcma/driver_gpio.c
> +++ b/drivers/bcma/driver_gpio.c
> @@ -17,14 +17,9 @@
>
> #define BCMA_GPIO_MAX_PINS 32
>
> -static inline struct bcma_drv_cc *bcma_gpio_get_cc(struct gpio_chip *chip)
> -{
> - return container_of(chip, struct bcma_drv_cc, gpio);
> -}
> -
> static int bcma_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
> {
> - struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
> + struct bcma_drv_cc *cc = gpiochip_get_data(chip);
>
> return !!bcma_chipco_gpio_in(cc, 1 << gpio);
> }
> @@ -32,14 +27,14 @@ static int bcma_gpio_get_value(struct gpio_chip *chip,
> unsigned gpio)
> static void bcma_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
> int value)
> {
> - struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
> + struct bcma_drv_cc *cc = gpiochip_get_data(chip);
>
> bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
> }
>
> static int bcma_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
> {
> - struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
> + struct bcma_drv_cc *cc = gpiochip_get_data(chip);
>
> bcma_chipco_gpio_outen(cc, 1 << gpio, 0);
> return 0;
> @@ -48,7 +43,7 @@ static int bcma_gpio_direction_input(struct gpio_chip
> *chip, unsigned gpio)
> static int bcma_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
> int value)
> {
> - struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
> + struct bcma_drv_cc *cc = gpiochip_get_data(chip);
>
> bcma_chipco_gpio_outen(cc, 1 << gpio, 1 << gpio);
> bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
> @@ -57,7 +52,7 @@ static int bcma_gpio_direction_output(struct gpio_chip
> *chip, unsigned gpio,
>
> static int bcma_gpio_request(struct gpio_chip *chip, unsigned gpio)
> {
> - struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
> + struct bcma_drv_cc *cc = gpiochip_get_data(chip);
>
> bcma_chipco_gpio_control(cc, 1 << gpio, 0);
> /* clear pulldown */
> @@ -70,7 +65,7 @@ static int bcma_gpio_request(struct gpio_chip *chip,
> unsigned gpio)
>
> static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio)
> {
> - struct bcma_drv_cc *cc = bcma_gpio_get_cc(chip);
> + struct bcma_drv_cc *cc = gpiochip_get_data(chip);
>
> /* clear pullup */
> bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
> @@ -81,7 +76,7 @@ static void bcma_gpio_free(struct gpio_chip *chip, unsigned
> gpio)
> static void bcma_gpio_irq_unmask(struct irq_data *d)
> {
> struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
> - struct bcma_drv_cc *cc = bcma_gpio_get_cc(gc);
> + struct bcma_drv_cc *cc = gpiochip_get_data(gc);
> int gpio = irqd_to_hwirq(d);
> u32 val = bcma_chipco_gpio_in(cc, BIT(gpio));
>
> @@ -92,7 +87,7 @@ static void bcma_gpio_irq_unmask(struct irq_data *d)
> static void bcma_gpio_irq_mask(struct irq_data *d)
> {
> struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
> - struct bcma_drv_cc *cc = bcma_gpio_get_cc(gc);
> + struct bcma_drv_cc *cc = gpiochip_get_data(gc);
> int gpio = irqd_to_hwirq(d);
>
> bcma_chipco_gpio_intmask(cc, BIT(gpio), 0);
> @@ -216,7 +211,7 @@ int bcma_gpio_init(struct bcma_drv_cc *cc)
> else
> chip->base = -1;
>
> - err = gpiochip_add(chip);
> + err = gpiochip_add_data(chip, cc);
> if (err)
> return err;
>
>
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