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MIPS: jz4740: use gpiochip data pointer

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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>
This commit is contained in:
Linus Walleij 2015-12-08 14:28:45 +01:00
parent 6483d82920
commit f5abf9ee51
1 changed files with 6 additions and 4 deletions
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10
arch/mips/jz4740/gpio.c
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@ -18,6 +18,8 @@
#include <linux/init.h>
#include <linux/io.h>
#include <linux/gpio/driver.h>
/* FIXME: needed for gpio_request(), try to remove consumer API from driver */
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@ -91,9 +93,9 @@ static inline struct jz_gpio_chip *gpio_to_jz_gpio_chip(unsigned int gpio)
return &jz4740_gpio_chips[gpio >> 5];
}
static inline struct jz_gpio_chip *gpio_chip_to_jz_gpio_chip(struct gpio_chip *gpio_chip)
static inline struct jz_gpio_chip *gpio_chip_to_jz_gpio_chip(struct gpio_chip *gc)
{
return container_of(gpio_chip, struct jz_gpio_chip, gpio_chip);
return gpiochip_get_data(gc);
}
static inline struct jz_gpio_chip *irq_to_jz_gpio_chip(struct irq_data *data)
@ -234,7 +236,7 @@ static int jz_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
static int jz_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
{
struct jz_gpio_chip *jz_gpio = gpio_chip_to_jz_gpio_chip(chip);
struct jz_gpio_chip *jz_gpio = gpiochip_get_data(chip);
return jz_gpio->irq_base + gpio;
}
@ -449,7 +451,7 @@ static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
irq_setup_generic_chip(gc, IRQ_MSK(chip->gpio_chip.ngpio),
IRQ_GC_INIT_NESTED_LOCK, 0, IRQ_NOPROBE | IRQ_LEVEL);
gpiochip_add(&chip->gpio_chip);
gpiochip_add_data(&chip->gpio_chip, chip);
}
static int __init jz4740_gpio_init(void)