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mfd: htc-egpio: 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().

Acked-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Linus Walleij 2016-03-30 10:48:03 +02:00 committed by Lee Jones
parent 4363765c85
commit 8d5f095fc5
1 changed files with 5 additions and 5 deletions
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10
drivers/mfd/htc-egpio.c
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@ -155,7 +155,7 @@ static int egpio_get(struct gpio_chip *chip, unsigned offset)
pr_debug("egpio_get_value(%d)\n", chip->base + offset);
egpio = container_of(chip, struct egpio_chip, chip);
egpio = gpiochip_get_data(chip);
ei = dev_get_drvdata(egpio->dev);
bit = egpio_bit(ei, offset);
reg = egpio->reg_start + egpio_pos(ei, offset);
@ -170,7 +170,7 @@ static int egpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
struct egpio_chip *egpio;
egpio = container_of(chip, struct egpio_chip, chip);
egpio = gpiochip_get_data(chip);
return test_bit(offset, &egpio->is_out) ? -EINVAL : 0;
}
@ -192,7 +192,7 @@ static void egpio_set(struct gpio_chip *chip, unsigned offset, int value)
pr_debug("egpio_set(%s, %d(%d), %d)\n",
chip->label, offset, offset+chip->base, value);
egpio = container_of(chip, struct egpio_chip, chip);
egpio = gpiochip_get_data(chip);
ei = dev_get_drvdata(egpio->dev);
bit = egpio_bit(ei, offset);
pos = egpio_pos(ei, offset);
@ -216,7 +216,7 @@ static int egpio_direction_output(struct gpio_chip *chip,
{
struct egpio_chip *egpio;
egpio = container_of(chip, struct egpio_chip, chip);
egpio = gpiochip_get_data(chip);
if (test_bit(offset, &egpio->is_out)) {
egpio_set(chip, offset, value);
return 0;
@ -330,7 +330,7 @@ static int __init egpio_probe(struct platform_device *pdev)
chip->base = pdata->chip[i].gpio_base;
chip->ngpio = pdata->chip[i].num_gpios;
gpiochip_add(chip);
gpiochip_add_data(chip, &ei->chip[i]);
}
/* Set initial pin values */