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MIPS: rb532: 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: linux-mips@linux-mips.org
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Linus Walleij 2015-12-08 14:37:16 +01:00
parent d98312f774
commit 41f6f8ecb7
1 changed files with 6 additions and 6 deletions
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12
arch/mips/rb532/gpio.c
View File

@ -32,7 +32,7 @@
#include <linux/export.h>
#include <linux/spinlock.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/gpio/driver.h>
#include <asm/mach-rc32434/rb.h>
#include <asm/mach-rc32434/gpio.h>
@ -88,7 +88,7 @@ static int rb532_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct rb532_gpio_chip *gpch;
gpch = container_of(chip, struct rb532_gpio_chip, chip);
gpch = gpiochip_get_data(chip);
return !!rb532_get_bit(offset, gpch->regbase + GPIOD);
}
@ -100,7 +100,7 @@ static void rb532_gpio_set(struct gpio_chip *chip,
{
struct rb532_gpio_chip *gpch;
gpch = container_of(chip, struct rb532_gpio_chip, chip);
gpch = gpiochip_get_data(chip);
rb532_set_bit(value, offset, gpch->regbase + GPIOD);
}
@ -111,7 +111,7 @@ static int rb532_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
struct rb532_gpio_chip *gpch;
gpch = container_of(chip, struct rb532_gpio_chip, chip);
gpch = gpiochip_get_data(chip);
/* disable alternate function in case it's set */
rb532_set_bit(0, offset, gpch->regbase + GPIOFUNC);
@ -128,7 +128,7 @@ static int rb532_gpio_direction_output(struct gpio_chip *chip,
{
struct rb532_gpio_chip *gpch;
gpch = container_of(chip, struct rb532_gpio_chip, chip);
gpch = gpiochip_get_data(chip);
/* disable alternate function in case it's set */
rb532_set_bit(0, offset, gpch->regbase + GPIOFUNC);
@ -200,7 +200,7 @@ int __init rb532_gpio_init(void)
}
/* Register our GPIO chip */
gpiochip_add(&rb532_gpio_chip->chip);
gpiochip_add_data(&rb532_gpio_chip->chip, rb532_gpio_chip);
return 0;
}