From 35f961623cee5212d4ee0baa8c34b1766913b36b Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Tue, 29 May 2012 15:07:16 -0700 Subject: backlight: use pr_warn() and pr_debug() instead of printk() Use pr_warn() and pr_debug() instead of printk to allow dynamic debugging. The pr_fmt prefix for pr_ macros is used. Also fix checkpatch warnings as below: WARNING: Prefer pr_warn(... to printk(KERN_WARNING, ... [akpm@linux-foundation.org: use KBUILD_MODNAME, per Joe] Signed-off-by: Jingoo Han Cc: Richard Purdie Cc: Joe Perches Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/backlight/backlight.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'drivers/video/backlight/backlight.c') diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bf5b1ece7160..297db2fa91f5 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -5,6 +5,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -123,7 +125,7 @@ static ssize_t backlight_store_power(struct device *dev, rc = -ENXIO; mutex_lock(&bd->ops_lock); if (bd->ops) { - pr_debug("backlight: set power to %lu\n", power); + pr_debug("set power to %lu\n", power); if (bd->props.power != power) { bd->props.power = power; backlight_update_status(bd); @@ -161,8 +163,7 @@ static ssize_t backlight_store_brightness(struct device *dev, if (brightness > bd->props.max_brightness) rc = -EINVAL; else { - pr_debug("backlight: set brightness to %lu\n", - brightness); + pr_debug("set brightness to %lu\n", brightness); bd->props.brightness = brightness; backlight_update_status(bd); rc = count; @@ -378,8 +379,8 @@ static int __init backlight_class_init(void) { backlight_class = class_create(THIS_MODULE, "backlight"); if (IS_ERR(backlight_class)) { - printk(KERN_WARNING "Unable to create backlight class; errno = %ld\n", - PTR_ERR(backlight_class)); + pr_warn("Unable to create backlight class; errno = %ld\n", + PTR_ERR(backlight_class)); return PTR_ERR(backlight_class); } -- cgit v1.2.3