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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 

Pull LED subsystem update from Bryan Wu.

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (47 commits)
  leds: leds-lp5521: return an error code on error in probe()
  leds: leds-clevo-mail: Use pr_* instead of printks
  leds: leds-rb532: Fix checkpatch errors
  leds: led-triggers: Fix checkpatch warnings
  leds: ledtrig-backlight: Fix checkpatch error
  leds: leds-wrap: Use <linux/io.h> instead of <asm/io.h>
  leds: leds-wm8350: Use dev_err instead of printk
  leds: leds-pwm: Fix checkpatch warning
  leds: leds-pca955x: Use dev_info instead of printk
  leds: leds-net48xx: Use linux/io.h instead of asm/io.h
  leds: leds-lt3593: Fix checkpatch warnings
  leds: leds-gpio: Use dev_info instead of printk
  leds: leds-da903x: Fix checkpatch error and warnings
  leds: leds-bd2802: Fix checkpatch warnings
  leds: leds-adp5520: Fix checkpatch warnings
  leds: led-class: Fix checkpatch warning
  leds: leds-ns2: use devm_gpio_request_one
  leds: leds-lt3593: use devm_gpio_request_one
  leds: leds-gpio: use devm_gpio_request_one
  leds: lp3944: Fix return value
  ...
This commit is contained in:
Linus Torvalds 2012-12-15 12:52:42 -08:00
parent 75e300c8ba 2f05e1d445
commit e81d372ff9
30 changed files with 164 additions and 158 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/leds/led-class.c
View File

@ -211,7 +211,7 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
led_trigger_set_default(led_cdev);
#endif
printk(KERN_DEBUG "Registered led device: %s\n",
dev_dbg(parent, "Registered led device: %s\n",
led_cdev->name);
return 0;

25
drivers/leds/led-triggers.c
View File

@ -166,6 +166,19 @@ void led_trigger_set_default(struct led_classdev *led_cdev)
}
EXPORT_SYMBOL_GPL(led_trigger_set_default);
void led_trigger_rename_static(const char *name, struct led_trigger *trig)
{
/* new name must be on a temporary string to prevent races */
BUG_ON(name == trig->name);
down_write(&triggers_list_lock);
/* this assumes that trig->name was originaly allocated to
* non constant storage */
strcpy((char *)trig->name, name);
up_write(&triggers_list_lock);
}
EXPORT_SYMBOL_GPL(led_trigger_rename_static);
/* LED Trigger Interface */
int led_trigger_register(struct led_trigger *trig)
@ -300,13 +313,13 @@ void led_trigger_register_simple(const char *name, struct led_trigger **tp)
if (err < 0) {
kfree(trig);
trig = NULL;
printk(KERN_WARNING "LED trigger %s failed to register"
" (%d)\n", name, err);
pr_warn("LED trigger %s failed to register (%d)\n",
name, err);
}
} else
printk(KERN_WARNING "LED trigger %s failed to register"
" (no memory)\n", name);
} else {
pr_warn("LED trigger %s failed to register (no memory)\n",
name);
}
*tp = trig;
}
EXPORT_SYMBOL_GPL(led_trigger_register_simple);

9
drivers/leds/leds-88pm860x.c
View File

@ -165,15 +165,13 @@ static int pm860x_led_probe(struct platform_device *pdev)
res = platform_get_resource_byname(pdev, IORESOURCE_REG, "control");
if (!res) {
dev_err(&pdev->dev, "No REG resource for control\n");
ret = -ENXIO;
goto out;
return -ENXIO;
}
data->reg_control = res->start;
res = platform_get_resource_byname(pdev, IORESOURCE_REG, "blink");
if (!res) {
dev_err(&pdev->dev, "No REG resource for blink\n");
ret = -ENXIO;
goto out;
return -ENXIO;
}
data->reg_blink = res->start;
memset(data->name, 0, MFD_NAME_SIZE);
@ -224,9 +222,6 @@ static int pm860x_led_probe(struct platform_device *pdev)
}
pm860x_led_set(&data->cdev, 0);
return 0;
out:
devm_kfree(&pdev->dev, data);
return ret;
}
static int pm860x_led_remove(struct platform_device *pdev)

4
drivers/leds/leds-adp5520.c
View File

@ -5,10 +5,10 @@
*
* Loosely derived from leds-da903x:
* Copyright (C) 2008 Compulab, Ltd.
* Mike Rapoport <mike@compulab.co.il>
* Mike Rapoport <mike@compulab.co.il>
*
* Copyright (C) 2006-2008 Marvell International Ltd.
* Eric Miao <eric.miao@marvell.com>
* Eric Miao <eric.miao@marvell.com>
*
* Licensed under the GPL-2 or later.
*/

10
drivers/leds/leds-bd2802.c
View File

@ -26,8 +26,8 @@
#define BD2802_LED_OFFSET 0xa
#define BD2802_COLOR_OFFSET 0x3
#define BD2802_REG_CLKSETUP 0x00
#define BD2802_REG_CONTROL 0x01
#define BD2802_REG_CLKSETUP 0x00
#define BD2802_REG_CONTROL 0x01
#define BD2802_REG_HOURSETUP 0x02
#define BD2802_REG_CURRENT1SETUP 0x03
#define BD2802_REG_CURRENT2SETUP 0x04
@ -93,7 +93,7 @@ struct bd2802_led {
* In ADF mode, user can set registers of BD2802GU directly,
* therefore BD2802GU doesn't enter reset state.
*/
int adf_on;
int adf_on;
enum led_ids led_id;
enum led_colors color;
@ -328,7 +328,7 @@ static ssize_t bd2802_store_reg##reg_addr(struct device *dev, \
int ret; \
if (!count) \
return -EINVAL; \
ret = strict_strtoul(buf, 16, &val); \
ret = kstrtoul(buf, 16, &val); \
if (ret) \
return ret; \
down_write(&led->rwsem); \
@ -492,7 +492,7 @@ static ssize_t bd2802_store_##attr_name(struct device *dev, \
int ret; \
if (!count) \
return -EINVAL; \
ret = strict_strtoul(buf, 16, &val); \
ret = kstrtoul(buf, 16, &val); \
if (ret) \
return ret; \
down_write(&led->rwsem); \

11
drivers/leds/leds-clevo-mail.c
View File

@ -1,3 +1,4 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
@ -26,7 +27,7 @@ static struct platform_device *pdev;
static int __init clevo_mail_led_dmi_callback(const struct dmi_system_id *id)
{
printk(KERN_INFO KBUILD_MODNAME ": '%s' found\n", id->ident);
pr_info("'%s' found\n", id->ident);
return 1;
}
@ -135,8 +136,7 @@ static int clevo_mail_led_blink(struct led_classdev *led_cdev,
status = 0;
} else {
printk(KERN_DEBUG KBUILD_MODNAME
": clevo_mail_led_blink(..., %lu, %lu),"
pr_debug("clevo_mail_led_blink(..., %lu, %lu),"
" returning -EINVAL (unsupported)\n",
*delay_on, *delay_off);
}
@ -183,7 +183,7 @@ static int __init clevo_mail_led_init(void)
count = dmi_check_system(clevo_mail_led_dmi_table);
} else {
count = 1;
printk(KERN_ERR KBUILD_MODNAME ": Skipping DMI detection. "
pr_err("Skipping DMI detection. "
"If the driver works on your hardware please "
"report model and the output of dmidecode in tracker "
"at http://sourceforge.net/projects/clevo-mailled/\n");
@ -197,8 +197,7 @@ static int __init clevo_mail_led_init(void)
error = platform_driver_probe(&clevo_mail_led_driver,
clevo_mail_led_probe);
if (error) {
printk(KERN_ERR KBUILD_MODNAME
": Can't probe platform driver\n");
pr_err("Can't probe platform driver\n");
platform_device_unregister(pdev);
}
} else

11
drivers/leds/leds-cobalt-qube.c
View File

@ -43,7 +43,7 @@ static int cobalt_qube_led_probe(struct platform_device *pdev)
if (!res)
return -EBUSY;
led_port = ioremap(res->start, resource_size(res));
led_port = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!led_port)
return -ENOMEM;
@ -52,12 +52,11 @@ static int cobalt_qube_led_probe(struct platform_device *pdev)
retval = led_classdev_register(&pdev->dev, &qube_front_led);
if (retval)
goto err_iounmap;
goto err_null;
return 0;
err_iounmap:
iounmap(led_port);
err_null:
led_port = NULL;
return retval;
@ -67,10 +66,8 @@ static int cobalt_qube_led_remove(struct platform_device *pdev)
{
led_classdev_unregister(&qube_front_led);
if (led_port) {
iounmap(led_port);
if (led_port)
led_port = NULL;
}
return 0;
}

11
drivers/leds/leds-cobalt-raq.c
View File

@ -85,13 +85,13 @@ static int cobalt_raq_led_probe(struct platform_device *pdev)
if (!res)
return -EBUSY;
led_port = ioremap(res->start, resource_size(res));
led_port = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!led_port)
return -ENOMEM;
retval = led_classdev_register(&pdev->dev, &raq_power_off_led);
if (retval)
goto err_iounmap;
goto err_null;
retval = led_classdev_register(&pdev->dev, &raq_web_led);
if (retval)
@ -102,8 +102,7 @@ static int cobalt_raq_led_probe(struct platform_device *pdev)
err_unregister:
led_classdev_unregister(&raq_power_off_led);
err_iounmap:
iounmap(led_port);
err_null:
led_port = NULL;
return retval;
@ -114,10 +113,8 @@ static int cobalt_raq_led_remove(struct platform_device *pdev)
led_classdev_unregister(&raq_power_off_led);
led_classdev_unregister(&raq_web_led);
if (led_port) {
iounmap(led_port);
if (led_port)
led_port = NULL;
}
return 0;
}

10
drivers/leds/leds-da903x.c
View File

@ -2,10 +2,10 @@
* LEDs driver for Dialog Semiconductor DA9030/DA9034
*
* Copyright (C) 2008 Compulab, Ltd.
* Mike Rapoport <mike@compulab.co.il>
* Mike Rapoport <mike@compulab.co.il>
*
* Copyright (C) 2006-2008 Marvell International Ltd.
* Eric Miao <eric.miao@marvell.com>
* Eric Miao <eric.miao@marvell.com>
*
* 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
@ -85,7 +85,7 @@ static void da903x_led_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct da903x_led *led;
led = container_of(led_cdev, struct da903x_led, cdev);
led->new_brightness = value;
schedule_work(&led->work);
@ -156,7 +156,7 @@ static struct platform_driver da903x_led_driver = {
module_platform_driver(da903x_led_driver);
MODULE_DESCRIPTION("LEDs driver for Dialog Semiconductor DA9030/DA9034");
MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
"Mike Rapoport <mike@compulab.co.il>");
MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>");
MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:da903x-led");

15
drivers/leds/leds-fsg.c
View File

@ -20,8 +20,8 @@
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/io.h>
#define FSG_LED_WLAN_BIT 0
#define FSG_LED_WAN_BIT 1
@ -149,11 +149,10 @@ static int fsg_led_probe(struct platform_device *pdev)
int ret;
/* Map the LED chip select address space */
latch_address = (unsigned short *) ioremap(IXP4XX_EXP_BUS_BASE(2), 512);
if (!latch_address) {
ret = -ENOMEM;
goto failremap;
}
latch_address = (unsigned short *) devm_ioremap(&pdev->dev,
IXP4XX_EXP_BUS_BASE(2), 512);
if (!latch_address)
return -ENOMEM;
latch_value = 0xffff;
*latch_address = latch_value;
@ -195,8 +194,6 @@ static int fsg_led_probe(struct platform_device *pdev)
failwan:
led_classdev_unregister(&fsg_wlan_led);
failwlan:
iounmap(latch_address);
failremap:
return ret;
}
@ -210,8 +207,6 @@ static int fsg_led_remove(struct platform_device *pdev)
led_classdev_unregister(&fsg_sync_led);
led_classdev_unregister(&fsg_ring_led);
iounmap(latch_address);
return 0;
}

37
drivers/leds/leds-gpio.c
View File

@ -21,6 +21,7 @@
#include <linux/workqueue.h>
#include <linux/module.h>
#include <linux/pinctrl/consumer.h>
#include <linux/err.h>
struct gpio_led_data {
struct led_classdev cdev;
@ -101,15 +102,11 @@ static int create_gpio_led(const struct gpio_led *template,
/* skip leds that aren't available */
if (!gpio_is_valid(template->gpio)) {
printk(KERN_INFO "Skipping unavailable LED gpio %d (%s)\n",
dev_info(parent, "Skipping unavailable LED gpio %d (%s)\n",
template->gpio, template->name);
return 0;
}
ret = gpio_request(template->gpio, template->name);
if (ret < 0)
return ret;
led_dat->cdev.name = template->name;
led_dat->cdev.default_trigger = template->default_trigger;
led_dat->gpio = template->gpio;
@ -129,20 +126,19 @@ static int create_gpio_led(const struct gpio_led *template,
if (!template->retain_state_suspended)
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state);
ret = devm_gpio_request_one(parent, template->gpio,
GPIOF_DIR_OUT | (led_dat->active_low ^ state),
template->name);
if (ret < 0)
goto err;
return ret;
INIT_WORK(&led_dat->work, gpio_led_work);
ret = led_classdev_register(parent, &led_dat->cdev);
if (ret < 0)
goto err;
return ret;
return 0;
err:
gpio_free(led_dat->gpio);
return ret;
}
static void delete_gpio_led(struct gpio_led_data *led)
@ -151,7 +147,6 @@ static void delete_gpio_led(struct gpio_led_data *led)
return;
led_classdev_unregister(&led->cdev);
cancel_work_sync(&led->work);
gpio_free(led->gpio);
}
struct gpio_leds_priv {
@ -176,12 +171,16 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
/* count LEDs in this device, so we know how much to allocate */
count = of_get_child_count(np);
if (!count)
return NULL;
return ERR_PTR(-ENODEV);
for_each_child_of_node(np, child)
if (of_get_gpio(child, 0) == -EPROBE_DEFER)
return ERR_PTR(-EPROBE_DEFER);
priv = devm_kzalloc(&pdev->dev, sizeof_gpio_leds_priv(count),
GFP_KERNEL);
if (!priv)
return NULL;
return ERR_PTR(-ENOMEM);
for_each_child_of_node(np, child) {
struct gpio_led led = {};
@ -216,7 +215,7 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
err:
for (count = priv->num_leds - 2; count >= 0; count--)
delete_gpio_led(&priv->leds[count]);
return NULL;
return ERR_PTR(-ENODEV);
}
static const struct of_device_id of_gpio_leds_match[] = {
@ -226,7 +225,7 @@ static const struct of_device_id of_gpio_leds_match[] = {
#else /* CONFIG_OF_GPIO */
static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
{
return NULL;
return ERR_PTR(-ENODEV);
}
#endif /* CONFIG_OF_GPIO */
@ -264,8 +263,8 @@ static int gpio_led_probe(struct platform_device *pdev)
}
} else {
priv = gpio_leds_create_of(pdev);
if (!priv)
return -ENODEV;
if (IS_ERR(priv))
return PTR_ERR(priv);
}
platform_set_drvdata(pdev, priv);

4
drivers/leds/leds-lm355x.c
View File

@ -408,10 +408,10 @@ static ssize_t lm3556_indicator_pattern_store(struct device *dev,
return size;
out:
dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
return size;
return ret;
}
static DEVICE_ATTR(pattern, 0666, NULL, lm3556_indicator_pattern_store);
static DEVICE_ATTR(pattern, S_IWUSR, NULL, lm3556_indicator_pattern_store);
static const struct regmap_config lm355x_regmap = {
.reg_bits = 8,

12
drivers/leds/leds-lm3642.c
View File

@ -201,13 +201,13 @@ static ssize_t lm3642_torch_pin_store(struct device *dev,
return size;
out:
dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
return size;
return ret;
out_strtoint:
dev_err(chip->dev, "%s: fail to change str to int\n", __func__);
return size;
return ret;
}
static DEVICE_ATTR(torch_pin, 0666, NULL, lm3642_torch_pin_store);
static DEVICE_ATTR(torch_pin, S_IWUSR, NULL, lm3642_torch_pin_store);
static void lm3642_deferred_torch_brightness_set(struct work_struct *work)
{
@ -258,13 +258,13 @@ static ssize_t lm3642_strobe_pin_store(struct device *dev,
return size;
out:
dev_err(chip->dev, "%s:i2c access fail to register\n", __func__);
return size;
return ret;
out_strtoint:
dev_err(chip->dev, "%s: fail to change str to int\n", __func__);
return size;
return ret;
}
static DEVICE_ATTR(strobe_pin, 0666, NULL, lm3642_strobe_pin_store);
static DEVICE_ATTR(strobe_pin, S_IWUSR, NULL, lm3642_strobe_pin_store);
static void lm3642_deferred_strobe_brightness_set(struct work_struct *work)
{

2
drivers/leds/leds-lp3944.c
View File

@ -86,7 +86,7 @@ static int lp3944_reg_read(struct i2c_client *client, u8 reg, u8 *value)
tmp = i2c_smbus_read_byte_data(client, reg);
if (tmp < 0)
return -EINVAL;
return tmp;
*value = tmp;

13
drivers/leds/leds-lp5521.c
View File

@ -152,7 +152,7 @@ static int lp5521_read(struct i2c_client *client, u8 reg, u8 *buf)
ret = i2c_smbus_read_byte_data(client, reg);
if (ret < 0)
return -EIO;
return ret;
*buf = ret;
return 0;
@ -616,7 +616,7 @@ static ssize_t store_led_pattern(struct device *dev,
unsigned long val;
int ret;
ret = strict_strtoul(buf, 16, &val);
ret = kstrtoul(buf, 16, &val);
if (ret)
return ret;
@ -788,10 +788,17 @@ static int lp5521_probe(struct i2c_client *client,
* LP5521_REG_ENABLE register will not have any effect - strange!
*/
ret = lp5521_read(client, LP5521_REG_R_CURRENT, &buf);
if (ret || buf != LP5521_REG_R_CURR_DEFAULT) {
if (ret) {
dev_err(&client->dev, "error in resetting chip\n");
goto fail2;
}
if (buf != LP5521_REG_R_CURR_DEFAULT) {
dev_err(&client->dev,
"unexpected data in register (expected 0x%x got 0x%x)\n",
LP5521_REG_R_CURR_DEFAULT, buf);
ret = -EINVAL;
goto fail2;
}
usleep_range(10000, 20000);
ret = lp5521_detect(client);

24
drivers/leds/leds-lp5523.c
View File

@ -171,7 +171,7 @@ static int lp5523_read(struct i2c_client *client, u8 reg, u8 *buf)
s32 ret = i2c_smbus_read_byte_data(client, reg);
if (ret < 0)
return -EIO;
return ret;
*buf = ret;
return 0;
@ -248,7 +248,10 @@ static int lp5523_configure(struct i2c_client *client)
/* Let the programs run for couple of ms and check the engine status */
usleep_range(3000, 6000);
lp5523_read(client, LP5523_REG_STATUS, &status);
ret = lp5523_read(client, LP5523_REG_STATUS, &status);
if (ret < 0)
return ret;
status &= LP5523_ENG_STATUS_MASK;
if (status == LP5523_ENG_STATUS_MASK) {
@ -464,10 +467,16 @@ static ssize_t lp5523_selftest(struct device *dev,
LP5523_EN_LEDTEST | 16);
usleep_range(3000, 6000); /* ADC conversion time is typically 2.7 ms */
ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status);
if (ret < 0)
goto fail;
if (!(status & LP5523_LEDTEST_DONE))
usleep_range(3000, 6000); /* Was not ready. Wait little bit */
ret |= lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &vdd);
ret = lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &vdd);
if (ret < 0)
goto fail;
vdd--; /* There may be some fluctuation in measurement */
for (i = 0; i < LP5523_LEDS; i++) {
@ -489,9 +498,14 @@ static ssize_t lp5523_selftest(struct device *dev,
/* ADC conversion time is 2.7 ms typically */
usleep_range(3000, 6000);
ret = lp5523_read(chip->client, LP5523_REG_STATUS, &status);
if (ret < 0)
goto fail;
if (!(status & LP5523_LEDTEST_DONE))
usleep_range(3000, 6000);/* Was not ready. Wait. */
ret |= lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &adc);
ret = lp5523_read(chip->client, LP5523_REG_LED_TEST_ADC, &adc);
if (ret < 0)
goto fail;
if (adc >= vdd || adc < LP5523_ADC_SHORTCIRC_LIM)
pos += sprintf(buf + pos, "LED %d FAIL\n", i);
@ -696,7 +710,7 @@ static ssize_t store_current(struct device *dev,
ssize_t ret;
unsigned long curr;
if (strict_strtoul(buf, 0, &curr))
if (kstrtoul(buf, 0, &curr))
return -EINVAL;
if (curr > led->max_current)

20
drivers/leds/leds-lt3593.c
View File

@ -89,15 +89,11 @@ static int create_lt3593_led(const struct gpio_led *template,
/* skip leds on GPIOs that aren't available */
if (!gpio_is_valid(template->gpio)) {
printk(KERN_INFO "%s: skipping unavailable LT3593 LED at gpio %d (%s)\n",
dev_info(parent, "%s: skipping unavailable LT3593 LED at gpio %d (%s)\n",
KBUILD_MODNAME, template->gpio, template->name);
return 0;
}
ret = gpio_request(template->gpio, template->name);
if (ret < 0)
return ret;
led_dat->cdev.name = template->name;
led_dat->cdev.default_trigger = template->default_trigger;
led_dat->gpio = template->gpio;
@ -110,24 +106,21 @@ static int create_lt3593_led(const struct gpio_led *template,
if (!template->retain_state_suspended)
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
ret = gpio_direction_output(led_dat->gpio, state);
ret = devm_gpio_request_one(parent, template->gpio,
GPIOF_DIR_OUT | state, template->name);
if (ret < 0)
goto err;
return ret;
INIT_WORK(&led_dat->work, lt3593_led_work);
ret = led_classdev_register(parent, &led_dat->cdev);
if (ret < 0)
goto err;
return ret;
printk(KERN_INFO "%s: registered LT3593 LED '%s' at GPIO %d\n",
dev_info(parent, "%s: registered LT3593 LED '%s' at GPIO %d\n",
KBUILD_MODNAME, template->name, template->gpio);
return 0;
err:
gpio_free(led_dat->gpio);
return ret;
}
static void delete_lt3593_led(struct lt3593_led_data *led)
@ -137,7 +130,6 @@ static void delete_lt3593_led(struct lt3593_led_data *led)
led_classdev_unregister(&led->cdev);
cancel_work_sync(&led->work);
gpio_free(led->gpio);
}
static int lt3593_led_probe(struct platform_device *pdev)

2
drivers/leds/leds-net48xx.c
View File

@ -15,7 +15,7 @@
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/err.h>
#include <asm/io.h>
#include <linux/io.h>
#include <linux/nsc_gpio.h>
#include <linux/scx200_gpio.h>
#include <linux/module.h>

2
drivers/leds/leds-netxbig.c
View File

@ -243,7 +243,7 @@ static ssize_t netxbig_led_sata_store(struct device *dev,
int mode_val;
int ret;
ret = strict_strtoul(buff, 10, &enable);
ret = kstrtoul(buff, 10, &enable);
if (ret < 0)
return ret;

36
drivers/leds/leds-ns2.c
View File

@ -150,7 +150,7 @@ static ssize_t ns2_led_sata_store(struct device *dev,
unsigned long enable;
enum ns2_led_modes mode;
ret = strict_strtoul(buff, 10, &enable);
ret = kstrtoul(buff, 10, &enable);
if (ret < 0)
return ret;
@ -192,29 +192,22 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
int ret;
enum ns2_led_modes mode;
ret = gpio_request(template->cmd, template->name);
if (ret == 0) {
ret = gpio_direction_output(template->cmd,
gpio_get_value(template->cmd));
if (ret)
gpio_free(template->cmd);
}
ret = devm_gpio_request_one(&pdev->dev, template->cmd,
GPIOF_DIR_OUT | gpio_get_value(template->cmd),
template->name);
if (ret) {
dev_err(&pdev->dev, "%s: failed to setup command GPIO\n",
template->name);
return ret;
}
ret = gpio_request(template->slow, template->name);
if (ret == 0) {
ret = gpio_direction_output(template->slow,
gpio_get_value(template->slow));
if (ret)
gpio_free(template->slow);
}
ret = devm_gpio_request_one(&pdev->dev, template->slow,
GPIOF_DIR_OUT | gpio_get_value(template->slow),
template->name);
if (ret) {
dev_err(&pdev->dev, "%s: failed to setup slow GPIO\n",
template->name);
goto err_free_cmd;
return ret;
}
rwlock_init(&led_dat->rw_lock);
@ -229,7 +222,7 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
ret = ns2_led_get_mode(led_dat, &mode);
if (ret < 0)
goto err_free_slow;
return ret;
/* Set LED initial state. */
led_dat->sata = (mode == NS_V2_LED_SATA) ? 1 : 0;
@ -238,7 +231,7 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
if (ret < 0)
goto err_free_slow;
return ret;
ret = device_create_file(led_dat->cdev.dev, &dev_attr_sata);
if (ret < 0)
@ -248,11 +241,6 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
err_free_cdev:
led_classdev_unregister(&led_dat->cdev);
err_free_slow:
gpio_free(led_dat->slow);
err_free_cmd:
gpio_free(led_dat->cmd);
return ret;
}
@ -260,8 +248,6 @@ static void delete_ns2_led(struct ns2_led_data *led_dat)
{
device_remove_file(led_dat->cdev.dev, &dev_attr_sata);
led_classdev_unregister(&led_dat->cdev);
gpio_free(led_dat->cmd);
gpio_free(led_dat->slow);
}
#ifdef CONFIG_OF_GPIO

2
drivers/leds/leds-pca955x.c
View File

@ -277,7 +277,7 @@ static int pca955x_probe(struct i2c_client *client,
return -ENODEV;
}
printk(KERN_INFO "leds-pca955x: Using %s %d-bit LED driver at "
dev_info(&client->dev, "leds-pca955x: Using %s %d-bit LED driver at "
"slave address 0x%02x\n",
id->name, chip->bits, client->addr);

2
drivers/leds/leds-pwm.c
View File

@ -26,7 +26,7 @@
struct led_pwm_data {
struct led_classdev cdev;
struct pwm_device *pwm;
unsigned int active_low;
unsigned int active_low;
unsigned int period;
};

2
drivers/leds/leds-rb532.c
View File

@ -16,7 +16,7 @@
#include <asm/mach-rc32434/rb.h>
static void rb532_led_set(struct led_classdev *cdev,
enum led_brightness brightness)
enum led_brightness brightness)
{
if (brightness)
set_latch_u5(LO_ULED, 0);

25
drivers/leds/leds-renesas-tpu.c
View File

@ -204,10 +204,10 @@ static void r_tpu_set_pin(struct r_tpu_priv *p, enum r_tpu_pin new_state,
if (p->pin_state == R_TPU_PIN_GPIO_FN)
gpio_free(cfg->pin_gpio_fn);
if (new_state == R_TPU_PIN_GPIO) {
gpio_request(cfg->pin_gpio, cfg->name);
gpio_direction_output(cfg->pin_gpio, !!brightness);
}
if (new_state == R_TPU_PIN_GPIO)
gpio_request_one(cfg->pin_gpio, GPIOF_DIR_OUT | !!brightness,
cfg->name);
if (new_state == R_TPU_PIN_GPIO_FN)
gpio_request(cfg->pin_gpio_fn, cfg->name);
@ -263,18 +263,18 @@ static int r_tpu_probe(struct platform_device *pdev)
}
/* map memory, let mapbase point to our channel */
p->mapbase = ioremap_nocache(res->start, resource_size(res));
p->mapbase = devm_ioremap_nocache(&pdev->dev, res->start,
resource_size(res));
if (p->mapbase == NULL) {
dev_err(&pdev->dev, "failed to remap I/O memory\n");
return -ENXIO;
}
/* get hold of clock */
p->clk = clk_get(&pdev->dev, NULL);
p->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(p->clk)) {
dev_err(&pdev->dev, "cannot get clock\n");
ret = PTR_ERR(p->clk);
goto err0;
return PTR_ERR(p->clk);
}
p->pdev = pdev;
@ -293,7 +293,7 @@ static int r_tpu_probe(struct platform_device *pdev)
p->ldev.flags |= LED_CORE_SUSPENDRESUME;
ret = led_classdev_register(&pdev->dev, &p->ldev);
if (ret < 0)
goto err1;
goto err0;
/* max_brightness may be updated by the LED core code */
p->min_rate = p->ldev.max_brightness * p->refresh_rate;
@ -301,11 +301,8 @@ static int r_tpu_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
return 0;
err1:
r_tpu_set_pin(p, R_TPU_PIN_UNUSED, LED_OFF);
clk_put(p->clk);
err0:
iounmap(p->mapbase);
r_tpu_set_pin(p, R_TPU_PIN_UNUSED, LED_OFF);
return ret;
}
@ -320,9 +317,7 @@ static int r_tpu_remove(struct platform_device *pdev)
r_tpu_set_pin(p, R_TPU_PIN_UNUSED, LED_OFF);
pm_runtime_disable(&pdev->dev);
clk_put(p->clk);
iounmap(p->mapbase);
return 0;
}

2
drivers/leds/leds-ss4200.c
View File

@ -459,7 +459,7 @@ static ssize_t nas_led_blink_store(struct device *dev,
struct led_classdev *led = dev_get_drvdata(dev);
unsigned long blink_state;
ret = strict_strtoul(buf, 10, &blink_state);
ret = kstrtoul(buf, 10, &blink_state);
if (ret)
return ret;

4
drivers/leds/leds-wm8350.c
View File

@ -216,13 +216,13 @@ static int wm8350_led_probe(struct platform_device *pdev)
isink = devm_regulator_get(&pdev->dev, "led_isink");
if (IS_ERR(isink)) {
printk(KERN_ERR "%s: can't get ISINK\n", __func__);
dev_err(&pdev->dev, "%s: can't get ISINK\n", __func__);
return PTR_ERR(isink);
}
dcdc = devm_regulator_get(&pdev->dev, "led_vcc");
if (IS_ERR(dcdc)) {
printk(KERN_ERR "%s: can't get DCDC\n", __func__);
dev_err(&pdev->dev, "%s: can't get DCDC\n", __func__);
return PTR_ERR(dcdc);
}

2
drivers/leds/leds-wrap.c
View File

@ -15,7 +15,7 @@
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/err.h>
#include <asm/io.h>
#include <linux/io.h>
#include <linux/scx200_gpio.h>
#include <linux/module.h>

4
drivers/leds/ledtrig-backlight.c
View File

@ -40,7 +40,7 @@ static int fb_notifier_callback(struct notifier_block *p,
int new_status = *blank ? BLANK : UNBLANK;
switch (event) {
case FB_EVENT_BLANK :
case FB_EVENT_BLANK:
if (new_status == n->old_status)
break;
@ -76,7 +76,7 @@ static ssize_t bl_trig_invert_store(struct device *dev,
unsigned long invert;
int ret;
ret = strict_strtoul(buf, 10, &invert);
ret = kstrtoul(buf, 10, &invert);
if (ret < 0)
return ret;

2
drivers/leds/ledtrig-gpio.c
View File

@ -110,7 +110,7 @@ static ssize_t gpio_trig_inverted_store(struct device *dev,
unsigned long inverted;
int ret;
ret = strict_strtoul(buf, 10, &inverted);
ret = kstrtoul(buf, 10, &inverted);
if (ret < 0)
return ret;

17
include/linux/leds.h
View File

@ -179,6 +179,23 @@ extern void led_trigger_blink_oneshot(struct led_trigger *trigger,
unsigned long *delay_on,
unsigned long *delay_off,
int invert);
/**
* led_trigger_rename_static - rename a trigger
* @name: the new trigger name
* @trig: the LED trigger to rename
*
* Change a LED trigger name by copying the string passed in
* name into current trigger name, which MUST be large
* enough for the new string.
*
* Note that name must NOT point to the same string used
* during LED registration, as that could lead to races.
*
* This is meant to be used on triggers with statically
* allocated name.
*/
extern void led_trigger_rename_static(const char *name,
struct led_trigger *trig);
#else