2013-07-18 15:29:58

by Lad, Prabhakar

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

From: "Lad, Prabhakar" <[email protected]>

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

Signed-off-by: Lad, Prabhakar <[email protected]>
---
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


2013-07-18 15:40:16

by Joe Perches

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

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.

2013-07-18 15:45:40

by Lad, Prabhakar

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

Hi Joe,

On Thu, Jul 18, 2013 at 9:10 PM, Joe Perches <[email protected]> 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