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kernel: leds-gca230718: remove status variable

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I have no idea why this is even here. Simplifies the code with direct
returns.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16869
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Rosen Penev 2024-10-06 16:56:25 -07:00 committed by Hauke Mehrtens
parent e2b80013ed
commit 980fe90711
1 changed files with 47 additions and 56 deletions
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103
package/kernel/leds-gca230718/src/leds-gca230718.c
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@ -116,78 +116,69 @@ static int gca230718_set_brightness(struct led_classdev *led_cdev,
static int gca230718_probe(struct i2c_client *client)
{
int status = 0;
struct gca230718_private *gca230718_privateData;
pr_info("Enter gca230718_probe for device address %u\n", client->addr);
gca230718_privateData = devm_kzalloc(
&(client->dev), sizeof(struct gca230718_private), GFP_KERNEL);
&client->dev, sizeof(struct gca230718_private), GFP_KERNEL);
if (gca230718_privateData == NULL) {
if (!gca230718_privateData) {
pr_info("Error during allocating memory for private data\n");
status = -ENOMEM;
} else {
struct device_node *ledNode;
mutex_init(&gca230718_privateData->lock);
gca230718_init_private_led_data(gca230718_privateData);
i2c_set_clientdata(client, gca230718_privateData);
return -ENOMEM;
}
struct device_node *ledNode;
mutex_init(&gca230718_privateData->lock);
gca230718_init_private_led_data(gca230718_privateData);
i2c_set_clientdata(client, gca230718_privateData);
for_each_child_of_node(client->dev.of_node, ledNode) {
u32 regValue = 0;
if (of_property_read_u32(ledNode, "reg", &regValue) !=
0) {
pr_info("Missing entry \"reg\" in node %s\n",
ledNode->name);
} else if (regValue >= GCA230718_MAX_LEDS) {
pr_info("Invalid entry \"reg\" in node %s (%u)\n",
ledNode->name, regValue);
} else {
struct led_classdev *ledClassDev =
&(gca230718_privateData->leds[regValue]
.ledClassDev);
struct led_init_data init_data = {};
for_each_child_of_node(client->dev.of_node, ledNode) {
u32 regValue = 0;
if (of_property_read_u32(ledNode, "reg", &regValue))
pr_info("Missing entry \"reg\" in node %s\n",
ledNode->name);
else if (regValue >= GCA230718_MAX_LEDS)
pr_info("Invalid entry \"reg\" in node %s (%u)\n",
ledNode->name, regValue);
else {
struct led_classdev *ledClassDev =
&(gca230718_privateData->leds[regValue]
.ledClassDev);
struct led_init_data init_data = {};
gca230718_privateData->leds[regValue].client =
client;
init_data.fwnode = of_fwnode_handle(ledNode);
gca230718_privateData->leds[regValue].client = client;
init_data.fwnode = of_fwnode_handle(ledNode);
pr_info("Creating LED for node %s: reg=%u\n",
ledNode->name, regValue);
pr_info("Creating LED for node %s: reg=%u\n",
ledNode->name, regValue);
ledClassDev->name =
of_get_property(ledNode, "label", NULL);
if (ledClassDev->name == NULL) {
ledClassDev->name = ledNode->name;
}
ledClassDev->name =
of_get_property(ledNode, "label", NULL);
if (!ledClassDev->name)
ledClassDev->name = ledNode->name;
ledClassDev->brightness = LED_OFF;
ledClassDev->max_brightness = LED_FULL;
ledClassDev->brightness_set_blocking =
gca230718_set_brightness;
ledClassDev->brightness = LED_OFF;
ledClassDev->max_brightness = LED_FULL;
ledClassDev->brightness_set_blocking =
gca230718_set_brightness;
if (devm_led_classdev_register_ext(
&(client->dev), ledClassDev,
&init_data) != 0) {
pr_info("Error during call of devm_led_classdev_register_ext");
}
}
if (devm_led_classdev_register_ext(
&client->dev, ledClassDev, &init_data))
pr_info("Error during call of devm_led_classdev_register_ext");
}
}
if (status == 0) {
/*
Send full initialization sequence.
Afterwards only GCA230718_2ND_SEQUENCE_BYTE_1 must be send to upddate the brightness values.
*/
gca230718_send_sequence(client, GCA230718_1ST_SEQUENCE_BYTE_1,
gca230718_privateData);
gca230718_send_sequence(client, GCA230718_2ND_SEQUENCE_BYTE_1,
gca230718_privateData);
gca230718_send_sequence(client, GCA230718_3RD_SEQUENCE_BYTE_1,
gca230718_privateData);
}
/*
Send full initialization sequence.
Afterwards only GCA230718_2ND_SEQUENCE_BYTE_1 must be send to upddate the brightness values.
*/
gca230718_send_sequence(client, GCA230718_1ST_SEQUENCE_BYTE_1,
gca230718_privateData);
gca230718_send_sequence(client, GCA230718_2ND_SEQUENCE_BYTE_1,
gca230718_privateData);
gca230718_send_sequence(client, GCA230718_3RD_SEQUENCE_BYTE_1,
gca230718_privateData);
return status;
return 0;
}
static void gca230718_remove(struct i2c_client *client)