[PATCH] kernel: power: replacing printk

[PATCH] kernel: power: replacing printk

[Saurabh Sengar]

replacing prink(s) with appropriate pr_info and pr_err

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
---
 kernel/power/suspend.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 7e4cda4..2597a96 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -245,7 +245,7 @@ static int suspend_test(int level)
 {
 #ifdef CONFIG_PM_DEBUG
 	if (pm_test_level == level) {
-		printk(KERN_INFO "suspend debug: Waiting for %d second(s).\n",
+		pr_info("suspend debug: Waiting for %d second(s).\n",
 				pm_test_delay);
 		mdelay(pm_test_delay * 1000);
 		return 1;
@@ -317,7 +317,7 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
 
 	error = dpm_suspend_late(PMSG_SUSPEND);
 	if (error) {
-		printk(KERN_ERR "PM: late suspend of devices failed\n");
+		pr_err("PM: late suspend of devices failed\n");
 		goto Platform_finish;
 	}
 	error = platform_suspend_prepare_late(state);
@@ -326,7 +326,7 @@ static int suspend_enter(suspend_state_t state, bool *wakeup)
 
 	error = dpm_suspend_noirq(PMSG_SUSPEND);
 	if (error) {
-		printk(KERN_ERR "PM: noirq suspend of devices failed\n");
+		pr_err("PM: noirq suspend of devices failed\n");
 		goto Platform_early_resume;
 	}
 	error = platform_suspend_prepare_noirq(state);
@@ -486,9 +486,9 @@ static int enter_state(suspend_state_t state)
 
 #ifndef CONFIG_SUSPEND_SKIP_SYNC
 	trace_suspend_resume(TPS("sync_filesystems"), 0, true);
-	printk(KERN_INFO "PM: Syncing filesystems ... ");
+	pr_info("PM: Syncing filesystems ... ");
 	sys_sync();
-	printk("done.\n");
+	pr_info("done.\n");
 	trace_suspend_resume(TPS("sync_filesystems"), 0, false);
 #endif
 
-- 
1.9.1

Re: [PATCH] kernel: power: replacing printk

[Joe Perches]

On Tue, 2015-10-27 at 09:46 +0530, Saurabh Sengar wrote:
> replacing prink(s) with appropriate pr_info and pr_err
[]
> diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
[]
> @@ -486,9 +486,9 @@ static int enter_state(suspend_state_t state)
>  
>  #ifndef CONFIG_SUSPEND_SKIP_SYNC
>  	trace_suspend_resume(TPS("sync_filesystems"), 0, true);
> -	printk(KERN_INFO "PM: Syncing filesystems ... ");
> +	pr_info("PM: Syncing filesystems ... ");
>  	sys_sync();
> -	printk("done.\n");
> +	pr_info("done.\n");
>  	trace_suspend_resume(TPS("sync_filesystems"), 0, false);
>  #endif
>  

This isn't the same output.

The original code emits on a single line.

This new code emits on two lines, the second
line without a "PM: " prefix.