dell: Convert printks to pr_<level>

Add pr_fmt.
Remove hard coded prefixes and use pr_<level>.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index de301aa8..d3841de 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -11,6 +11,8 @@
  *  published by the Free Software Foundation.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -434,8 +436,7 @@
 	int ret;
 
 	if (dmi_check_system(dell_blacklist)) {
-		printk(KERN_INFO "dell-laptop: Blacklisted hardware detected - "
-				"not enabling rfkill\n");
+		pr_info("Blacklisted hardware detected - not enabling rfkill\n");
 		return 0;
 	}
 
@@ -606,7 +607,7 @@
 	dmi_walk(find_tokens, NULL);
 
 	if (!da_tokens)  {
-		printk(KERN_INFO "dell-laptop: Unable to find dmi tokens\n");
+		pr_info("Unable to find dmi tokens\n");
 		return -ENODEV;
 	}
 
@@ -636,14 +637,13 @@
 	ret = dell_setup_rfkill();
 
 	if (ret) {
-		printk(KERN_WARNING "dell-laptop: Unable to setup rfkill\n");
+		pr_warn("Unable to setup rfkill\n");
 		goto fail_rfkill;
 	}
 
 	ret = i8042_install_filter(dell_laptop_i8042_filter);
 	if (ret) {
-		printk(KERN_WARNING
-		       "dell-laptop: Unable to install key filter\n");
+		pr_warn("Unable to install key filter\n");
 		goto fail_filter;
 	}