[PATCH 12/17] leds: mt6323: Simplify with scoped for each OF child loop

From: Krzysztof Kozlowski
Date: Fri Aug 16 2024 - 11:34:45 EST


Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
drivers/leds/leds-mt6323.c | 22 +++++++---------------
1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/drivers/leds/leds-mt6323.c b/drivers/leds/leds-mt6323.c
index 40d508510823..a19e8e0b6d1b 100644
--- a/drivers/leds/leds-mt6323.c
+++ b/drivers/leds/leds-mt6323.c
@@ -527,7 +527,6 @@ static int mt6323_led_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *np = dev_of_node(dev);
- struct device_node *child;
struct mt6397_chip *hw = dev_get_drvdata(dev->parent);
struct mt6323_leds *leds;
struct mt6323_led *led;
@@ -565,28 +564,25 @@ static int mt6323_led_probe(struct platform_device *pdev)
return ret;
}

- for_each_available_child_of_node(np, child) {
+ for_each_available_child_of_node_scoped(np, child) {
struct led_init_data init_data = {};
bool is_wled;

ret = of_property_read_u32(child, "reg", &reg);
if (ret) {
dev_err(dev, "Failed to read led 'reg' property\n");
- goto put_child_node;
+ return ret;
}

if (reg >= max_leds || reg >= MAX_SUPPORTED_LEDS ||
leds->led[reg]) {
dev_err(dev, "Invalid led reg %u\n", reg);
- ret = -EINVAL;
- goto put_child_node;
+ return -EINVAL;
}

led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL);
- if (!led) {
- ret = -ENOMEM;
- goto put_child_node;
- }
+ if (!led)
+ return -ENOMEM;

is_wled = of_property_read_bool(child, "mediatek,is-wled");

@@ -612,7 +608,7 @@ static int mt6323_led_probe(struct platform_device *pdev)
if (ret < 0) {
dev_err(leds->dev,
"Failed to LED set default from devicetree\n");
- goto put_child_node;
+ return ret;
}

init_data.fwnode = of_fwnode_handle(child);
@@ -621,15 +617,11 @@ static int mt6323_led_probe(struct platform_device *pdev)
&init_data);
if (ret) {
dev_err(dev, "Failed to register LED: %d\n", ret);
- goto put_child_node;
+ return ret;
}
}

return 0;
-
-put_child_node:
- of_node_put(child);
- return ret;
}

static void mt6323_led_remove(struct platform_device *pdev)

--
2.43.0