From 748e4f3d702def1a4bff191e0cf93b6a05340f01 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:41:34 +0000
Subject: [PATCH] add gpio led uart
---
kernel/drivers/leds/leds-is31fl32xx.c | 50 ++++++++++++++++----------------------------------
1 files changed, 16 insertions(+), 34 deletions(-)
diff --git a/kernel/drivers/leds/leds-is31fl32xx.c b/kernel/drivers/leds/leds-is31fl32xx.c
index 31a9d74..899ed94 100644
--- a/kernel/drivers/leds/leds-is31fl32xx.c
+++ b/kernel/drivers/leds/leds-is31fl32xx.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for ISSI IS31FL32xx family of I2C LED controllers
*
* Copyright 2015 Allworx Corp.
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*
* Datasheets:
* http://www.issi.com/US/product-analog-fxled-driver.shtml
@@ -48,7 +44,7 @@
const struct is31fl32xx_chipdef *cdef;
struct i2c_client *client;
unsigned int num_leds;
- struct is31fl32xx_led_data leds[0];
+ struct is31fl32xx_led_data leds[];
};
/**
@@ -328,12 +324,6 @@
return 0;
}
-static inline size_t sizeof_is31fl32xx_priv(int num_leds)
-{
- return sizeof(struct is31fl32xx_priv) +
- (sizeof(struct is31fl32xx_led_data) * num_leds);
-}
-
static int is31fl32xx_parse_child_dt(const struct device *dev,
const struct device_node *child,
struct is31fl32xx_led_data *led_data)
@@ -341,9 +331,6 @@
struct led_classdev *cdev = &led_data->cdev;
int ret = 0;
u32 reg;
-
- if (of_property_read_string(child, "label", &cdev->name))
- cdev->name = child->name;
ret = of_property_read_u32(child, "reg", ®);
if (ret || reg < 1 || reg > led_data->priv->cdef->channels) {
@@ -353,9 +340,6 @@
return -EINVAL;
}
led_data->channel = reg;
-
- of_property_read_string(child, "linux,default-trigger",
- &cdev->default_trigger);
cdev->brightness_set_blocking = is31fl32xx_brightness_set;
@@ -382,7 +366,8 @@
struct device_node *child;
int ret = 0;
- for_each_child_of_node(dev->of_node, child) {
+ for_each_available_child_of_node(dev_of_node(dev), child) {
+ struct led_init_data init_data = {};
struct is31fl32xx_led_data *led_data =
&priv->leds[priv->num_leds];
const struct is31fl32xx_led_data *other_led_data;
@@ -398,17 +383,19 @@
led_data->channel);
if (other_led_data) {
dev_err(dev,
- "%s and %s both attempting to use channel %d\n",
- led_data->cdev.name,
- other_led_data->cdev.name,
- led_data->channel);
+ "Node %pOF 'reg' conflicts with another LED\n",
+ child);
+ ret = -EINVAL;
goto err;
}
- ret = devm_led_classdev_register(dev, &led_data->cdev);
+ init_data.fwnode = of_fwnode_handle(child);
+
+ ret = devm_led_classdev_register_ext(dev, &led_data->cdev,
+ &init_data);
if (ret) {
- dev_err(dev, "failed to register PWM led for %s: %d\n",
- led_data->cdev.name, ret);
+ dev_err(dev, "Failed to register LED for %pOF: %d\n",
+ child, ret);
goto err;
}
@@ -438,23 +425,18 @@
const struct i2c_device_id *id)
{
const struct is31fl32xx_chipdef *cdef;
- const struct of_device_id *of_dev_id;
struct device *dev = &client->dev;
struct is31fl32xx_priv *priv;
int count;
int ret = 0;
- of_dev_id = of_match_device(of_is31fl32xx_match, dev);
- if (!of_dev_id)
- return -EINVAL;
+ cdef = device_get_match_data(dev);
- cdef = of_dev_id->data;
-
- count = of_get_child_count(dev->of_node);
+ count = of_get_available_child_count(dev_of_node(dev));
if (!count)
return -EINVAL;
- priv = devm_kzalloc(dev, sizeof_is31fl32xx_priv(count),
+ priv = devm_kzalloc(dev, struct_size(priv, leds, count),
GFP_KERNEL);
if (!priv)
return -ENOMEM;
--
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