diff options
Diffstat (limited to 'drivers/gpio/gpio-twl6040.c')
| -rw-r--r-- | drivers/gpio/gpio-twl6040.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/gpio/gpio-twl6040.c b/drivers/gpio/gpio-twl6040.c index 648fb418d775..4ec9bcd40439 100644 --- a/drivers/gpio/gpio-twl6040.c +++ b/drivers/gpio/gpio-twl6040.c @@ -22,7 +22,7 @@ static int twl6040gpo_get(struct gpio_chip *chip, unsigned offset) { - struct twl6040 *twl6040 = dev_get_drvdata(chip->parent->parent); + struct twl6040 *twl6040 = gpiochip_get_data(chip); int ret = 0; ret = twl6040_reg_read(twl6040, TWL6040_REG_GPOCTL); @@ -37,29 +37,30 @@ static int twl6040gpo_get_direction(struct gpio_chip *chip, unsigned offset) return GPIO_LINE_DIRECTION_OUT; } -static int twl6040gpo_direction_out(struct gpio_chip *chip, unsigned offset, - int value) -{ - /* This only drives GPOs, and can't change direction */ - return 0; -} - -static void twl6040gpo_set(struct gpio_chip *chip, unsigned offset, int value) +static int twl6040gpo_set(struct gpio_chip *chip, unsigned int offset, + int value) { - struct twl6040 *twl6040 = dev_get_drvdata(chip->parent->parent); + struct twl6040 *twl6040 = gpiochip_get_data(chip); int ret; u8 gpoctl; ret = twl6040_reg_read(twl6040, TWL6040_REG_GPOCTL); if (ret < 0) - return; + return ret; if (value) gpoctl = ret | BIT(offset); else gpoctl = ret & ~BIT(offset); - twl6040_reg_write(twl6040, TWL6040_REG_GPOCTL, gpoctl); + return twl6040_reg_write(twl6040, TWL6040_REG_GPOCTL, gpoctl); +} + +static int twl6040gpo_direction_out(struct gpio_chip *chip, unsigned int offset, + int value) +{ + /* This only drives GPOs, and can't change direction */ + return twl6040gpo_set(chip, offset, value); } static struct gpio_chip twl6040gpo_chip = { @@ -80,6 +81,8 @@ static int gpo_twl6040_probe(struct platform_device *pdev) struct twl6040 *twl6040 = dev_get_drvdata(twl6040_core_dev); int ret; + device_set_node(&pdev->dev, dev_fwnode(pdev->dev.parent)); + twl6040gpo_chip.base = -1; if (twl6040_get_revid(twl6040) < TWL6041_REV_ES2_0) @@ -88,11 +91,8 @@ static int gpo_twl6040_probe(struct platform_device *pdev) twl6040gpo_chip.ngpio = 1; /* twl6041 have 1 GPO */ twl6040gpo_chip.parent = &pdev->dev; -#ifdef CONFIG_OF_GPIO - twl6040gpo_chip.of_node = twl6040_core_dev->of_node; -#endif - ret = devm_gpiochip_add_data(&pdev->dev, &twl6040gpo_chip, NULL); + ret = devm_gpiochip_add_data(&pdev->dev, &twl6040gpo_chip, twl6040); if (ret < 0) { dev_err(&pdev->dev, "could not register gpiochip, %d\n", ret); twl6040gpo_chip.ngpio = 0; |
