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path: root/drivers/leds/blink
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Diffstat (limited to 'drivers/leds/blink')
-rw-r--r--drivers/leds/blink/leds-lgm-sso.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/leds/blink/leds-lgm-sso.c b/drivers/leds/blink/leds-lgm-sso.c
index 7eb2f44f16be..fd8b7573285a 100644
--- a/drivers/leds/blink/leds-lgm-sso.c
+++ b/drivers/leds/blink/leds-lgm-sso.c
@@ -611,9 +611,6 @@ static void sso_led_shutdown(struct sso_led *led)
if (led->desc.hw_trig)
regmap_update_bits(priv->mmap, SSO_CON3, BIT(led->desc.pin), 0);
- if (led->gpiod)
- devm_gpiod_put(priv->dev, led->gpiod);
-
led->priv = NULL;
}
@@ -624,15 +621,16 @@ __sso_led_dt_parse(struct sso_led_priv *priv, struct fwnode_handle *fw_ssoled)
struct device *dev = priv->dev;
struct sso_led_desc *desc;
struct sso_led *led;
- struct list_head *p;
const char *tmp;
u32 prop;
int ret;
fwnode_for_each_child_node(fw_ssoled, fwnode_child) {
led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
- if (!led)
- return -ENOMEM;
+ if (!led) {
+ ret = -ENOMEM;
+ goto __dt_err;
+ }
INIT_LIST_HEAD(&led->list);
led->priv = priv;
@@ -642,7 +640,7 @@ __sso_led_dt_parse(struct sso_led_priv *priv, struct fwnode_handle *fw_ssoled)
fwnode_child,
GPIOD_ASIS, NULL);
if (IS_ERR(led->gpiod)) {
- dev_err(dev, "led: get gpio fail!\n");
+ ret = dev_err_probe(dev, PTR_ERR(led->gpiod), "led: get gpio fail!\n");
goto __dt_err;
}
@@ -662,8 +660,11 @@ __sso_led_dt_parse(struct sso_led_priv *priv, struct fwnode_handle *fw_ssoled)
desc->panic_indicator = 1;
ret = fwnode_property_read_u32(fwnode_child, "reg", &prop);
- if (ret != 0 || prop >= SSO_LED_MAX_NUM) {
+ if (ret)
+ goto __dt_err;
+ if (prop >= SSO_LED_MAX_NUM) {
dev_err(dev, "invalid LED pin:%u\n", prop);
+ ret = -EINVAL;
goto __dt_err;
}
desc->pin = prop;
@@ -699,21 +700,20 @@ __sso_led_dt_parse(struct sso_led_priv *priv, struct fwnode_handle *fw_ssoled)
desc->brightness = LED_FULL;
}
- if (sso_create_led(priv, led, fwnode_child))
+ ret = sso_create_led(priv, led, fwnode_child);
+ if (ret)
goto __dt_err;
}
- fwnode_handle_put(fw_ssoled);
return 0;
+
__dt_err:
- fwnode_handle_put(fw_ssoled);
+ fwnode_handle_put(fwnode_child);
/* unregister leds */
- list_for_each(p, &priv->led_list) {
- led = list_entry(p, struct sso_led, list);
+ list_for_each_entry(led, &priv->led_list, list)
sso_led_shutdown(led);
- }
- return -EINVAL;
+ return ret;
}
static int sso_led_dt_parse(struct sso_led_priv *priv)
@@ -731,6 +731,7 @@ static int sso_led_dt_parse(struct sso_led_priv *priv)
fw_ssoled = fwnode_get_named_child_node(fwnode, "ssoled");
if (fw_ssoled) {
ret = __sso_led_dt_parse(priv, fw_ssoled);
+ fwnode_handle_put(fw_ssoled);
if (ret)
return ret;
}
@@ -841,14 +842,12 @@ static int intel_sso_led_probe(struct platform_device *pdev)
static int intel_sso_led_remove(struct platform_device *pdev)
{
struct sso_led_priv *priv;
- struct list_head *pos, *n;
- struct sso_led *led;
+ struct sso_led *led, *n;
priv = platform_get_drvdata(pdev);
- list_for_each_safe(pos, n, &priv->led_list) {
- list_del(pos);
- led = list_entry(pos, struct sso_led, list);
+ list_for_each_entry_safe(led, n, &priv->led_list, list) {
+ list_del(&led->list);
sso_led_shutdown(led);
}