Merge branch 'pstore-efi' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6

[pandora-kernel.git] / drivers / leds / leds-ns2.c

diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 74dce4b..f77d48d 100644 (file)
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -81,7 +81,7 @@ static int ns2_led_get_mode(struct ns2_led_data *led_dat,
        int cmd_level;
        int slow_level;
 
-       read_lock(&led_dat->rw_lock);
+       read_lock_irq(&led_dat->rw_lock);
 
        cmd_level = gpio_get_value(led_dat->cmd);
        slow_level = gpio_get_value(led_dat->slow);
@@ -95,7 +95,7 @@ static int ns2_led_get_mode(struct ns2_led_data *led_dat,
                }
        }
 
-       read_unlock(&led_dat->rw_lock);
+       read_unlock_irq(&led_dat->rw_lock);
 
        return ret;
 }
@@ -104,8 +104,9 @@ static void ns2_led_set_mode(struct ns2_led_data *led_dat,
                             enum ns2_led_modes mode)
 {
        int i;
+       unsigned long flags;
 
-       write_lock(&led_dat->rw_lock);
+       write_lock_irqsave(&led_dat->rw_lock, flags);
 
        for (i = 0; i < ARRAY_SIZE(ns2_led_modval); i++) {
                if (mode == ns2_led_modval[i].mode) {
@@ -116,7 +117,7 @@ static void ns2_led_set_mode(struct ns2_led_data *led_dat,
                }
        }
 
-       write_unlock(&led_dat->rw_lock);
+       write_unlock_irqrestore(&led_dat->rw_lock, flags);
 }
 
 static void ns2_led_set(struct led_classdev *led_cdev,
@@ -140,10 +141,12 @@ static ssize_t ns2_led_sata_store(struct device *dev,
                                  struct device_attribute *attr,
                                  const char *buff, size_t count)
 {
+       struct led_classdev *led_cdev = dev_get_drvdata(dev);
+       struct ns2_led_data *led_dat =
+               container_of(led_cdev, struct ns2_led_data, cdev);
        int ret;
        unsigned long enable;
        enum ns2_led_modes mode;
-       struct ns2_led_data *led_dat = dev_get_drvdata(dev);
 
        ret = strict_strtoul(buff, 10, &enable);
        if (ret < 0)
@@ -171,7 +174,9 @@ static ssize_t ns2_led_sata_store(struct device *dev,
 static ssize_t ns2_led_sata_show(struct device *dev,
                                 struct device_attribute *attr, char *buf)
 {
-       struct ns2_led_data *led_dat = dev_get_drvdata(dev);
+       struct led_classdev *led_cdev = dev_get_drvdata(dev);
+       struct ns2_led_data *led_dat =
+               container_of(led_cdev, struct ns2_led_data, cdev);
 
        return sprintf(buf, "%d\n", led_dat->sata);
 }
@@ -233,7 +238,6 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
        if (ret < 0)
                goto err_free_slow;
 
-       dev_set_drvdata(led_dat->cdev.dev, led_dat);
        ret = device_create_file(led_dat->cdev.dev, &dev_attr_sata);
        if (ret < 0)
                goto err_free_cdev;