diff options
Diffstat (limited to 'drivers/gpio/gpio-tps65218.c')
| -rw-r--r-- | drivers/gpio/gpio-tps65218.c | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/drivers/gpio/gpio-tps65218.c b/drivers/gpio/gpio-tps65218.c index 3517debe2b0b..3b4c41f5ef55 100644 --- a/drivers/gpio/gpio-tps65218.c +++ b/drivers/gpio/gpio-tps65218.c @@ -34,34 +34,28 @@ static int tps65218_gpio_get(struct gpio_chip *gc, unsigned offset) return !!(val & (TPS65218_ENABLE2_GPIO1 << offset)); } -static void tps65218_gpio_set(struct gpio_chip *gc, unsigned offset, - int value) +static int tps65218_gpio_set(struct gpio_chip *gc, unsigned int offset, + int value) { struct tps65218_gpio *tps65218_gpio = gpiochip_get_data(gc); struct tps65218 *tps65218 = tps65218_gpio->tps65218; if (value) - tps65218_set_bits(tps65218, TPS65218_REG_ENABLE2, - TPS65218_ENABLE2_GPIO1 << offset, - TPS65218_ENABLE2_GPIO1 << offset, - TPS65218_PROTECT_L1); - else - tps65218_clear_bits(tps65218, TPS65218_REG_ENABLE2, - TPS65218_ENABLE2_GPIO1 << offset, - TPS65218_PROTECT_L1); + return tps65218_set_bits(tps65218, TPS65218_REG_ENABLE2, + TPS65218_ENABLE2_GPIO1 << offset, + TPS65218_ENABLE2_GPIO1 << offset, + TPS65218_PROTECT_L1); + + return tps65218_clear_bits(tps65218, TPS65218_REG_ENABLE2, + TPS65218_ENABLE2_GPIO1 << offset, + TPS65218_PROTECT_L1); } static int tps65218_gpio_output(struct gpio_chip *gc, unsigned offset, int value) { /* Only drives GPOs */ - tps65218_gpio_set(gc, offset, value); - return 0; -} - -static int tps65218_gpio_input(struct gpio_chip *gc, unsigned offset) -{ - return -EPERM; + return tps65218_gpio_set(gc, offset, value); } static int tps65218_gpio_request(struct gpio_chip *gc, unsigned offset) @@ -174,7 +168,6 @@ static const struct gpio_chip template_chip = { .owner = THIS_MODULE, .request = tps65218_gpio_request, .direction_output = tps65218_gpio_output, - .direction_input = tps65218_gpio_input, .get = tps65218_gpio_get, .set = tps65218_gpio_set, .set_config = tps65218_gpio_set_config, @@ -196,9 +189,6 @@ static int tps65218_gpio_probe(struct platform_device *pdev) tps65218_gpio->tps65218 = tps65218; tps65218_gpio->gpio_chip = template_chip; tps65218_gpio->gpio_chip.parent = &pdev->dev; -#ifdef CONFIG_OF_GPIO - tps65218_gpio->gpio_chip.of_node = pdev->dev.of_node; -#endif return devm_gpiochip_add_data(&pdev->dev, &tps65218_gpio->gpio_chip, tps65218_gpio); @@ -219,7 +209,7 @@ MODULE_DEVICE_TABLE(platform, tps65218_gpio_id_table); static struct platform_driver tps65218_gpio_driver = { .driver = { .name = "tps65218-gpio", - .of_match_table = of_match_ptr(tps65218_dt_match) + .of_match_table = tps65218_dt_match, }, .probe = tps65218_gpio_probe, .id_table = tps65218_gpio_id_table, @@ -230,4 +220,3 @@ module_platform_driver(tps65218_gpio_driver); MODULE_AUTHOR("Nicolas Saenz Julienne <nicolassaenzj@gmail.com>"); MODULE_DESCRIPTION("GPO interface for TPS65218 PMICs"); MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:tps65218-gpio"); |