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 ...
starfive-tech · Dec 15, 2012 · e81d372 · e81d372
2 parents 75e300c + 2f05e1d
commit e81d372
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Showing 30 changed files with 164 additions and 158 deletions.
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
@@ -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;

diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
@@ -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);

diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
@@ -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)

diff --git a/drivers/leds/leds-adp5520.c b/drivers/leds/leds-adp5520.c
@@ -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.
  */

diff --git a/drivers/leds/leds-bd2802.c b/drivers/leds/leds-bd2802.c
@@ -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);					\

diff --git a/drivers/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c
@@ -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

diff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c
@@ -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;
 }

diff --git a/drivers/leds/leds-cobalt-raq.c b/drivers/leds/leds-cobalt-raq.c
@@ -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;
 }

diff --git a/drivers/leds/leds-da903x.c b/drivers/leds/leds-da903x.c
@@ -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");
diff --git a/drivers/leds/leds-fsg.c b/drivers/leds/leds-fsg.c
@@ -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;
 }