On Wed, 09 Dec 2015, 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: Lee Jones <lee.jo...@linaro.org>
> Cc: Dmitry Baryshkov <dbarysh...@gmail.com>
> Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
> ---
> Lee please ACK this so I can take it through the GPIO tree.
> ---
> drivers/mfd/tc6393xb.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
Acked-by: Lee Jones <lee.jo...@linaro.org>
> diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
> index 8c84a513016b..a5253f9a5089 100644
> --- a/drivers/mfd/tc6393xb.c
> +++ b/drivers/mfd/tc6393xb.c
> @@ -24,7 +24,7 @@
> #include <linux/mfd/core.h>
> #include <linux/mfd/tmio.h>
> #include <linux/mfd/tc6393xb.h>
> -#include <linux/gpio.h>
> +#include <linux/gpio/driver.h>
> #include <linux/slab.h>
>
> #define SCR_REVID 0x08 /* b Revision ID */
> @@ -434,7 +434,7 @@ static struct mfd_cell tc6393xb_cells[] = {
> static int tc6393xb_gpio_get(struct gpio_chip *chip,
> unsigned offset)
> {
> - struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
> + struct tc6393xb *tc6393xb = gpiochip_get_data(chip);
>
> /* XXX: does dsr also represent inputs? */
> return tmio_ioread8(tc6393xb->scr + SCR_GPO_DSR(offset / 8))
> @@ -444,7 +444,7 @@ static int tc6393xb_gpio_get(struct gpio_chip *chip,
> static void __tc6393xb_gpio_set(struct gpio_chip *chip,
> unsigned offset, int value)
> {
> - struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
> + struct tc6393xb *tc6393xb = gpiochip_get_data(chip);
> u8 dsr;
>
> dsr = tmio_ioread8(tc6393xb->scr + SCR_GPO_DSR(offset / 8));
> @@ -459,7 +459,7 @@ static void __tc6393xb_gpio_set(struct gpio_chip *chip,
> static void tc6393xb_gpio_set(struct gpio_chip *chip,
> unsigned offset, int value)
> {
> - struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
> + struct tc6393xb *tc6393xb = gpiochip_get_data(chip);
> unsigned long flags;
>
> spin_lock_irqsave(&tc6393xb->lock, flags);
> @@ -472,7 +472,7 @@ static void tc6393xb_gpio_set(struct gpio_chip *chip,
> static int tc6393xb_gpio_direction_input(struct gpio_chip *chip,
> unsigned offset)
> {
> - struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
> + struct tc6393xb *tc6393xb = gpiochip_get_data(chip);
> unsigned long flags;
> u8 doecr;
>
> @@ -490,7 +490,7 @@ static int tc6393xb_gpio_direction_input(struct gpio_chip
> *chip,
> static int tc6393xb_gpio_direction_output(struct gpio_chip *chip,
> unsigned offset, int value)
> {
> - struct tc6393xb *tc6393xb = container_of(chip, struct tc6393xb, gpio);
> + struct tc6393xb *tc6393xb = gpiochip_get_data(chip);
> unsigned long flags;
> u8 doecr;
>
> @@ -517,7 +517,7 @@ static int tc6393xb_register_gpio(struct tc6393xb
> *tc6393xb, int gpio_base)
> tc6393xb->gpio.direction_input = tc6393xb_gpio_direction_input;
> tc6393xb->gpio.direction_output = tc6393xb_gpio_direction_output;
>
> - return gpiochip_add(&tc6393xb->gpio);
> + return gpiochip_add_data(&tc6393xb->gpio, tc6393xb);
> }
>
>
> /*--------------------------------------------------------------------------*/
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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