[PATCH 01/11] rtc: use pr_err()/pr_warn() instead of printk()

[Jingoo Han]

Fixed the checkpatch warning as below:

  WARNING: Prefer netdev_err(netdev, ... then dev_err(dev, ... then pr_err(...  
to printk(KERN_ERR ...

Signed-off-by: Jingoo Han <jg1....@samsung.com>
---
 drivers/rtc/class.c   |    4 +++-
 drivers/rtc/rtc-dev.c |    7 ++++---
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 26388f1..9b742d3 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -11,6 +11,8 @@
  * published by the Free Software Foundation.
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/rtc.h>
 #include <linux/kdev_t.h>
@@ -261,7 +263,7 @@ static int __init rtc_init(void)
 {
        rtc_class = class_create(THIS_MODULE, "rtc");
        if (IS_ERR(rtc_class)) {
-               printk(KERN_ERR "%s: couldn't create class\n", __FILE__);
+               pr_err("couldn't create class\n");
                return PTR_ERR(rtc_class);
        }
        rtc_class->suspend = rtc_suspend;
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 9a86b4b..471c30e 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -11,6 +11,8 @@
  * published by the Free Software Foundation.
 */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/rtc.h>
 #include <linux/sched.h>
@@ -480,7 +482,7 @@ void rtc_dev_prepare(struct rtc_device *rtc)
 void rtc_dev_add_device(struct rtc_device *rtc)
 {
        if (cdev_add(&rtc->char_dev, rtc->dev.devt, 1))
-               printk(KERN_WARNING "%s: failed to add char device %d:%d\n",
+               pr_warn("%s: failed to add char device %d:%d\n",
                        rtc->name, MAJOR(rtc_devt), rtc->id);
        else
                pr_debug("%s: dev (%d:%d)\n", rtc->name,
@@ -499,8 +501,7 @@ void __init rtc_dev_init(void)
 
        err = alloc_chrdev_region(&rtc_devt, 0, RTC_DEV_MAX, "rtc");
        if (err < 0)
-               printk(KERN_ERR "%s: failed to allocate char dev region\n",
-                       __FILE__);
+               pr_err("failed to allocate char dev region\n");
 }
 
 void __exit rtc_dev_exit(void)
-- 
1.7.2.5


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