diff options
Diffstat (limited to 'kernel/drivers/leds/leds-gpio.c')
| -rw-r--r-- | kernel/drivers/leds/leds-gpio.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/kernel/drivers/leds/leds-gpio.c b/kernel/drivers/leds/leds-gpio.c index 15eb3f86f..5db4515a4 100644 --- a/kernel/drivers/leds/leds-gpio.c +++ b/kernel/drivers/leds/leds-gpio.c @@ -16,6 +16,7 @@ #include <linux/kernel.h> #include <linux/leds.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/property.h> #include <linux/slab.h> @@ -191,15 +192,17 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev) goto err; } - np = of_node(child); + np = to_of_node(child); if (fwnode_property_present(child, "label")) { fwnode_property_read_string(child, "label", &led.name); } else { if (IS_ENABLED(CONFIG_OF) && !led.name && np) led.name = np->name; - if (!led.name) - return ERR_PTR(-EINVAL); + if (!led.name) { + ret = -EINVAL; + goto err; + } } fwnode_property_read_string(child, "linux,default-trigger", &led.default_trigger); @@ -217,18 +220,19 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev) if (fwnode_property_present(child, "retain-state-suspended")) led.retain_state_suspended = 1; - ret = create_gpio_led(&led, &priv->leds[priv->num_leds++], + ret = create_gpio_led(&led, &priv->leds[priv->num_leds], dev, NULL); if (ret < 0) { fwnode_handle_put(child); goto err; } + priv->num_leds++; } return priv; err: - for (count = priv->num_leds - 2; count >= 0; count--) + for (count = priv->num_leds - 1; count >= 0; count--) delete_gpio_led(&priv->leds[count]); return ERR_PTR(ret); } @@ -287,9 +291,22 @@ static int gpio_led_remove(struct platform_device *pdev) return 0; } +static void gpio_led_shutdown(struct platform_device *pdev) +{ + struct gpio_leds_priv *priv = platform_get_drvdata(pdev); + int i; + + for (i = 0; i < priv->num_leds; i++) { + struct gpio_led_data *led = &priv->leds[i]; + + gpio_led_set(&led->cdev, LED_OFF); + } +} + static struct platform_driver gpio_led_driver = { .probe = gpio_led_probe, .remove = gpio_led_remove, + .shutdown = gpio_led_shutdown, .driver = { .name = "leds-gpio", .of_match_table = of_gpio_leds_match, |