Merge ../linus

Conflicts:

	drivers/cpufreq/cpufreq.c

6 files changed, 186 insertions, 7 deletions

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 9c39b98d5a5..176142c6149 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -76,6 +76,12 @@ config LEDS_NET48XX
 	  This option enables support for the Soekris net4801 and net4826 error
 	  LED.
 
+config LEDS_WRAP
+	tristate "LED Support for the WRAP series LEDs"
+	depends on LEDS_CLASS && SCx200_GPIO
+	help
+	  This option enables support for the PCEngines WRAP programmable LEDs.
+
 comment "LED Triggers"
 
 config LEDS_TRIGGERS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 6aa2aed7539..500de3dc962 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_LEDS_TOSA)			+= leds-tosa.o
 obj-$(CONFIG_LEDS_S3C24XX)		+= leds-s3c24xx.o
 obj-$(CONFIG_LEDS_AMS_DELTA)		+= leds-ams-delta.o
 obj-$(CONFIG_LEDS_NET48XX)		+= leds-net48xx.o
+obj-$(CONFIG_LEDS_WRAP)			+= leds-wrap.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index aecbbe2e89a..3c1711210e3 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -91,6 +91,8 @@ EXPORT_SYMBOL_GPL(led_classdev_resume);
  */
 int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 {
+	int rc;
+
 	led_cdev->class_dev = class_device_create(leds_class, NULL, 0,
 						parent, "%s", led_cdev->name);
 	if (unlikely(IS_ERR(led_cdev->class_dev)))
@@ -99,8 +101,10 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 	class_set_devdata(led_cdev->class_dev, led_cdev);
 
 	/* register the attributes */
-	class_device_create_file(led_cdev->class_dev,
-				&class_device_attr_brightness);
+	rc = class_device_create_file(led_cdev->class_dev,
+				      &class_device_attr_brightness);
+	if (rc)
+		goto err_out;
 
 	/* add to the list of leds */
 	write_lock(&leds_list_lock);
@@ -110,16 +114,28 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 #ifdef CONFIG_LEDS_TRIGGERS
 	rwlock_init(&led_cdev->trigger_lock);
 
-	led_trigger_set_default(led_cdev);
+	rc = class_device_create_file(led_cdev->class_dev,
+				      &class_device_attr_trigger);
+	if (rc)
+		goto err_out_led_list;
 
-	class_device_create_file(led_cdev->class_dev,
-				&class_device_attr_trigger);
+	led_trigger_set_default(led_cdev);
 #endif
 
 	printk(KERN_INFO "Registered led device: %s\n",
 			led_cdev->class_dev->class_id);
 
 	return 0;
+
+#ifdef CONFIG_LEDS_TRIGGERS
+err_out_led_list:
+	class_device_remove_file(led_cdev->class_dev,
+				&class_device_attr_brightness);
+	list_del(&led_cdev->node);
+#endif
+err_out:
+	class_device_unregister(led_cdev->class_dev);
+	return rc;
 }
 EXPORT_SYMBOL_GPL(led_classdev_register);
 
diff --git a/drivers/leds/leds-wrap.c b/drivers/leds/leds-wrap.c
new file mode 100644
index 00000000000..27fb2d8e991
--- /dev/null
+++ b/drivers/leds/leds-wrap.c
@@ -0,0 +1,142 @@
+/*
+ * LEDs driver for PCEngines WRAP
+ *
+ * Copyright (C) 2006 Kristian Kielhofner <kris@krisk.org>
+ *
+ * Based on leds-net48xx.c
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/err.h>
+#include <asm/io.h>
+#include <linux/scx200_gpio.h>
+
+#define DRVNAME "wrap-led"
+#define WRAP_ERROR_LED_GPIO	3
+#define	WRAP_EXTRA_LED_GPIO	18
+
+static struct platform_device *pdev;
+
+static void wrap_error_led_set(struct led_classdev *led_cdev,
+		enum led_brightness value)
+{
+	if (value)
+		scx200_gpio_set_low(WRAP_ERROR_LED_GPIO);
+	else
+		scx200_gpio_set_high(WRAP_ERROR_LED_GPIO);
+}
+
+static void wrap_extra_led_set(struct led_classdev *led_cdev,
+		enum led_brightness value)
+{
+	if (value)
+		scx200_gpio_set_low(WRAP_EXTRA_LED_GPIO);
+	else
+		scx200_gpio_set_high(WRAP_EXTRA_LED_GPIO);
+}
+
+static struct led_classdev wrap_error_led = {
+	.name		= "wrap:error",
+	.brightness_set	= wrap_error_led_set,
+};
+
+static struct led_classdev wrap_extra_led = {
+	.name           = "wrap:extra",
+	.brightness_set = wrap_extra_led_set,
+};
+
+#ifdef CONFIG_PM
+static int wrap_led_suspend(struct platform_device *dev,
+		pm_message_t state)
+{
+	led_classdev_suspend(&wrap_error_led);
+	led_classdev_suspend(&wrap_extra_led);
+	return 0;
+}
+
+static int wrap_led_resume(struct platform_device *dev)
+{
+	led_classdev_resume(&wrap_error_led);
+	led_classdev_resume(&wrap_extra_led);
+	return 0;
+}
+#else
+#define wrap_led_suspend NULL
+#define wrap_led_resume NULL
+#endif
+
+static int wrap_led_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	ret = led_classdev_register(&pdev->dev, &wrap_error_led);
+	if (ret == 0) {
+		ret = led_classdev_register(&pdev->dev, &wrap_extra_led);
+		if (ret < 0)
+			led_classdev_unregister(&wrap_error_led);
+	}
+	return ret;
+}
+
+static int wrap_led_remove(struct platform_device *pdev)
+{
+	led_classdev_unregister(&wrap_error_led);
+	led_classdev_unregister(&wrap_extra_led);
+	return 0;
+}
+
+static struct platform_driver wrap_led_driver = {
+	.probe		= wrap_led_probe,
+	.remove		= wrap_led_remove,
+	.suspend	= wrap_led_suspend,
+	.resume		= wrap_led_resume,
+	.driver		= {
+		.name		= DRVNAME,
+		.owner		= THIS_MODULE,
+	},
+};
+
+static int __init wrap_led_init(void)
+{
+	int ret;
+
+	if (!scx200_gpio_present()) {
+		ret = -ENODEV;
+		goto out;
+	}
+
+	ret = platform_driver_register(&wrap_led_driver);
+	if (ret < 0)
+		goto out;
+
+	pdev = platform_device_register_simple(DRVNAME, -1, NULL, 0);
+	if (IS_ERR(pdev)) {
+		ret = PTR_ERR(pdev);
+		platform_driver_unregister(&wrap_led_driver);
+		goto out;
+	}
+
+out:
+	return ret;
+}
+
+static void __exit wrap_led_exit(void)
+{
+	platform_device_unregister(pdev);
+	platform_driver_unregister(&wrap_led_driver);
+}
+
+module_init(wrap_led_init);
+module_exit(wrap_led_exit);
+
+MODULE_AUTHOR("Kristian Kielhofner <kris@krisk.org>");
+MODULE_DESCRIPTION("PCEngines WRAP LED driver");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/leds/ledtrig-ide-disk.c b/drivers/leds/ledtrig-ide-disk.c
index fa651886ab4..54b155c7026 100644
--- a/drivers/leds/ledtrig-ide-disk.c
+++ b/drivers/leds/ledtrig-ide-disk.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/jiffies.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/timer.h>
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index 179c2876b54..d756bdb01c5 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/jiffies.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/list.h>
@@ -123,6 +124,7 @@ static CLASS_DEVICE_ATTR(delay_off, 0644, led_delay_off_show,
 static void timer_trig_activate(struct led_classdev *led_cdev)
 {
 	struct timer_trig_data *timer_data;
+	int rc;
 
 	timer_data = kzalloc(sizeof(struct timer_trig_data), GFP_KERNEL);
 	if (!timer_data)
@@ -134,10 +136,21 @@ static void timer_trig_activate(struct led_classdev *led_cdev)
 	timer_data->timer.function = led_timer_function;
 	timer_data->timer.data = (unsigned long) led_cdev;
 
-	class_device_create_file(led_cdev->class_dev,
+	rc = class_device_create_file(led_cdev->class_dev,
 				&class_device_attr_delay_on);
-	class_device_create_file(led_cdev->class_dev,
+	if (rc) goto err_out;
+	rc = class_device_create_file(led_cdev->class_dev,
 				&class_device_attr_delay_off);
+	if (rc) goto err_out_delayon;
+
+	return;
+
+err_out_delayon:
+	class_device_remove_file(led_cdev->class_dev,
+				&class_device_attr_delay_on);
+err_out:
+	led_cdev->trigger_data = NULL;
+	kfree(timer_data);
 }
 
 static void timer_trig_deactivate(struct led_classdev *led_cdev)