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authorLinus Walleij <linus.walleij@linaro.org>2015-12-08 12:24:54 +0300
committerLinus Walleij <linus.walleij@linaro.org>2016-01-05 16:15:04 +0300
commit7cb093c4bce3a145cc1586d4464cd362376c2cc6 (patch)
tree2045bff455e05a819aa7e4b20cd34c2199784494 /drivers/pinctrl
parent88057d6e4a2a9c221bf81cfd18f25d0ff956af9e (diff)
downloadlinux-7cb093c4bce3a145cc1586d4464cd362376c2cc6.tar.xz
pinctrl: sh-pfc: 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: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
-rw-r--r--drivers/pinctrl/sh-pfc/gpio.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c
index cdb2460a7b00..a6681b8b17c3 100644
--- a/drivers/pinctrl/sh-pfc/gpio.c
+++ b/drivers/pinctrl/sh-pfc/gpio.c
@@ -38,14 +38,10 @@ struct sh_pfc_chip {
struct sh_pfc_gpio_pin *pins;
};
-static struct sh_pfc_chip *gpio_to_pfc_chip(struct gpio_chip *gc)
-{
- return container_of(gc, struct sh_pfc_chip, gpio_chip);
-}
-
static struct sh_pfc *gpio_to_pfc(struct gpio_chip *gc)
{
- return gpio_to_pfc_chip(gc)->pfc;
+ struct sh_pfc_chip *chip = gpiochip_get_data(gc);
+ return chip->pfc;
}
static void gpio_get_data_reg(struct sh_pfc_chip *chip, unsigned int offset,
@@ -178,14 +174,14 @@ static int gpio_pin_direction_input(struct gpio_chip *gc, unsigned offset)
static int gpio_pin_direction_output(struct gpio_chip *gc, unsigned offset,
int value)
{
- gpio_pin_set_value(gpio_to_pfc_chip(gc), offset, value);
+ gpio_pin_set_value(gpiochip_get_data(gc), offset, value);
return pinctrl_gpio_direction_output(offset);
}
static int gpio_pin_get(struct gpio_chip *gc, unsigned offset)
{
- struct sh_pfc_chip *chip = gpio_to_pfc_chip(gc);
+ struct sh_pfc_chip *chip = gpiochip_get_data(gc);
struct sh_pfc_gpio_data_reg *reg;
unsigned int bit;
unsigned int pos;
@@ -199,7 +195,7 @@ static int gpio_pin_get(struct gpio_chip *gc, unsigned offset)
static void gpio_pin_set(struct gpio_chip *gc, unsigned offset, int value)
{
- gpio_pin_set_value(gpio_to_pfc_chip(gc), offset, value);
+ gpio_pin_set_value(gpiochip_get_data(gc), offset, value);
}
static int gpio_pin_to_irq(struct gpio_chip *gc, unsigned offset)
@@ -322,7 +318,7 @@ sh_pfc_add_gpiochip(struct sh_pfc *pfc, int(*setup)(struct sh_pfc_chip *),
if (ret < 0)
return ERR_PTR(ret);
- ret = gpiochip_add(&chip->gpio_chip);
+ ret = gpiochip_add_data(&chip->gpio_chip, chip);
if (unlikely(ret < 0))
return ERR_PTR(ret);