[PATCH v2 5/5] media: davinci: vpbe: Replace printk with dev_*

[PATCH v2 5/5] media: davinci: vpbe: Replace printk with dev_*

[Prabhakar Lad]

From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>

Use the dev_* message logging API instead of raw printk.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
---
 Posting independent patch of the series,
 http://www.spinics.net/lists/linux-media/msg65701.html
 
 Changes for v2:
 1: Fixed logging levels.
 
 drivers/media/platform/davinci/vpbe.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c
index 33b9660..a3a36e0 100644
--- a/drivers/media/platform/davinci/vpbe.c
+++ b/drivers/media/platform/davinci/vpbe.c
@@ -595,7 +595,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 	 * matching with device name
 	 */
 	if (NULL == vpbe_dev || NULL == dev) {
-		printk(KERN_ERR "Null device pointers.\n");
+		dev_err(dev, "Null device pointers.\n");
 		return -ENODEV;
 	}
 
@@ -735,7 +735,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 
 	mutex_unlock(&vpbe_dev->lock);
 
-	printk(KERN_NOTICE "Setting default output to %s\n", def_output);
+	dev_notice(dev, "Setting default output to %s\n", def_output);
 	ret = vpbe_set_default_output(vpbe_dev);
 	if (ret) {
 		v4l2_err(&vpbe_dev->v4l2_dev, "Failed to set default output %s",
@@ -743,7 +743,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
 		return ret;
 	}
 
-	printk(KERN_NOTICE "Setting default mode to %s\n", def_mode);
+	dev_notice(dev, "Setting default mode to %s\n", def_mode);
 	ret = vpbe_set_default_mode(vpbe_dev);
 	if (ret) {
 		v4l2_err(&vpbe_dev->v4l2_dev, "Failed to set default mode %s",
-- 
1.7.9.5

Re: [PATCH v2 5/5] media: davinci: vpbe: Replace printk with dev_*

[Joe Perches]

On Thu, 2013-07-18 at 20:59 +0530, Prabhakar Lad wrote:
> Use the dev_* message logging API instead of raw printk.
[]
> diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c
[]
> @@ -595,7 +595,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
>  	 * matching with device name
>  	 */
>  	if (NULL == vpbe_dev || NULL == dev) {
> -		printk(KERN_ERR "Null device pointers.\n");
> +		dev_err(dev, "Null device pointers.\n");

And if dev actually is NULL?

btw: canonical forms for this test are
	(if vpbe_dev == NULL || dev == NULL)
or
	if (!bpbe_dev || !dev)

I stopped reading here.

Re: [PATCH v2 5/5] media: davinci: vpbe: Replace printk with dev_*

[Prabhakar Lad]

Hi Joe,

On Thu, Jul 18, 2013 at 9:10 PM, Joe Perches <joe@perches.com> wrote:
> On Thu, 2013-07-18 at 20:59 +0530, Prabhakar Lad wrote:
>> Use the dev_* message logging API instead of raw printk.
> []
>> diff --git a/drivers/media/platform/davinci/vpbe.c b/drivers/media/platform/davinci/vpbe.c
> []
>> @@ -595,7 +595,7 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
>>        * matching with device name
>>        */
>>       if (NULL == vpbe_dev || NULL == dev) {
>> -             printk(KERN_ERR "Null device pointers.\n");
>> +             dev_err(dev, "Null device pointers.\n");
>
> And if dev actually is NULL?
>
Ah nice catch, I overlooked it, I'll fix it.

Regards,
--Prabhakar