pinctrl: bcm2835: 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: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-08 22:01:00 +01:00
parent bf9a5c96c8
commit e19a5f795c

View file

@ -23,7 +23,7 @@
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/gpio/driver.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/irq.h>
@ -337,14 +337,14 @@ static int bcm2835_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
static int bcm2835_gpio_get(struct gpio_chip *chip, unsigned offset)
{
struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->parent);
struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);
return bcm2835_gpio_get_bit(pc, GPLEV0, offset);
}
static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->parent);
struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);
bcm2835_gpio_set_bit(pc, value ? GPSET0 : GPCLR0, offset);
}
@ -358,7 +358,7 @@ static int bcm2835_gpio_direction_output(struct gpio_chip *chip,
static int bcm2835_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->parent);
struct bcm2835_pinctrl *pc = gpiochip_get_data(chip);
return irq_linear_revmap(pc->irq_domain, offset);
}
@ -1021,7 +1021,7 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev)
}
}
err = gpiochip_add(&pc->gpio_chip);
err = gpiochip_add_data(&pc->gpio_chip, pc);
if (err) {
dev_err(dev, "could not add GPIO chip\n");
return err;