Re: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-14 Thread Andrew Morton
On Fri, 14 Sep 2007 06:27:04 -0700 "Medve Emilian-EMMEDVE1" <[EMAIL PROTECTED]> 
wrote:

> I realize this e-mail might be nuisance and time waster for you but I'm
> in need of advice. I apologize in advance for any commonsense cultural
> conventions I'm breaking.
> 
> I sent the below patch to four e-mail lists and it lead to orthogonal
> conversations about how the entire kernel logging system/mechanisms need
> to be re-written and thus such incremental improvements as these get out
> of focus...
> 
> In this case I started needing pr_err() and discovered that is defined
> already four times but not with global visibility as some other pr_*()
> from kernel.h (a subset of the entire family). I chose not to define it
> yet the fifth time but clean up the existing definitions and complete
> the family. For some reason it didn't go through even though I had some
> positive feedback. Now it seems I'm encouraged to really define the
> pr_err() for the fifth time...  Not quite sure what to do...

I normally troll the lkml list for patches like this and will sweep them
up.  But I'm presently 1400 messages in arrears so there is some latency.

I'll go grab this patch.
-
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Re: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-14 Thread Randy Dunlap
On Fri, 14 Sep 2007 22:11:59 +0530 Satyam Sharma wrote:

> > > -Original Message-
> > > From: Medve Emilian-EMMEDVE1
> > > Sent: Wednesday, September 12, 2007 11:40 AM
> > > To: linux-kernel@vger.kernel.org; [EMAIL PROTECTED];
> > > [EMAIL PROTECTED]; [EMAIL PROTECTED]
> > > Cc: Medve Emilian-EMMEDVE1
> 
> ... no maintainer explicitly copied on the original mail who'd push this in.
> Little thing, but LKML is too noisy, so you need to Cc: folks explicitly ...
> 
> > > Subject: [PATCH v3] Make the pr_*() family of macros in
> > > kernel.h complete
> > >
> > > Other/Some pr_*() macros are already defined in kernel.h, but
> > > pr_err() was defined
> > > multiple times in several other places
> > >
> > > Signed-off-by: Emil Medve <[EMAIL PROTECTED]>
> 
> I think it's a useful cleanup, patch looks good to me ...
> 
> Reviewed-by: Satyam Sharma <[EMAIL PROTECTED]>

I like it too.

Acked-by: Randy Dunlap <[EMAIL PROTECTED]>

(since I still haven't seen reviewed-by in SubmittingPatches)

> [ Original diff is at: http://lkml.org/lkml/diff/2007/9/12/182/1 ]

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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Re: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-14 Thread Satyam Sharma
> > -Original Message-
> > From: Medve Emilian-EMMEDVE1
> > Sent: Wednesday, September 12, 2007 11:40 AM
> > To: linux-kernel@vger.kernel.org; [EMAIL PROTECTED];
> > [EMAIL PROTECTED]; [EMAIL PROTECTED]
> > Cc: Medve Emilian-EMMEDVE1

... no maintainer explicitly copied on the original mail who'd push this in.
Little thing, but LKML is too noisy, so you need to Cc: folks explicitly ...

> > Subject: [PATCH v3] Make the pr_*() family of macros in
> > kernel.h complete
> >
> > Other/Some pr_*() macros are already defined in kernel.h, but
> > pr_err() was defined
> > multiple times in several other places
> >
> > Signed-off-by: Emil Medve <[EMAIL PROTECTED]>

I think it's a useful cleanup, patch looks good to me ...

Reviewed-by: Satyam Sharma <[EMAIL PROTECTED]>

[ Original diff is at: http://lkml.org/lkml/diff/2007/9/12/182/1 ]
-
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RE: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-14 Thread Medve Emilian-EMMEDVE1
Hello Andrew,


I realize this e-mail might be nuisance and time waster for you but I'm
in need of advice. I apologize in advance for any commonsense cultural
conventions I'm breaking.

I sent the below patch to four e-mail lists and it lead to orthogonal
conversations about how the entire kernel logging system/mechanisms need
to be re-written and thus such incremental improvements as these get out
of focus...

In this case I started needing pr_err() and discovered that is defined
already four times but not with global visibility as some other pr_*()
from kernel.h (a subset of the entire family). I chose not to define it
yet the fifth time but clean up the existing definitions and complete
the family. For some reason it didn't go through even though I had some
positive feedback. Now it seems I'm encouraged to really define the
pr_err() for the fifth time...  Not quite sure what to do...


Cheers,
Emil.


> -Original Message-
> From: Medve Emilian-EMMEDVE1 
> Sent: Wednesday, September 12, 2007 11:40 AM
> To: linux-kernel@vger.kernel.org; [EMAIL PROTECTED]; 
> [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Cc: Medve Emilian-EMMEDVE1
> Subject: [PATCH v3] Make the pr_*() family of macros in 
> kernel.h complete
> 
> Other/Some pr_*() macros are already defined in kernel.h, but 
> pr_err() was defined
> multiple times in several other places
> 
> Signed-off-by: Emil Medve <[EMAIL PROTECTED]>
> ---
> 
> I'm writing a driver and I've been using the pr_*() macros 
> from kernel.h and I
> was surprised not to find there pr_err() but defined multiple 
> times (in four
> different files). I didn't want to define it yet one more 
> time so I did this
> cleanup
> 
> As per community request/suggestion, I added the rest of the 
> missing pr_*()
> macros to complete the family. The names of the macros are 
> based on the KERN_*
> loglevel names and are macthing the naming convention of the 
> dev_*() print
> macros from device.h. The macros are defined in the ascending 
> order of the
> loglevel
> 
> This patch is against Linus' tree 
> (577107e8e4cf9f6f4f5ef8350ac9a8faa6c3796d)
> 
> linux-2.6> scripts/checkpatch.pl 
> 0001-Make-the-pr_-family-of-macros-in-kernel.h-complet.patch 
> Your patch has no obvious style problems and is ready for submission.
> 
>  drivers/i2c/chips/menelaus.c |   10 --
>  drivers/net/spider_net.h |3 ---
>  drivers/video/omap/lcd_h3.c  |6 ++
>  drivers/video/omap/lcd_inn1610.c |6 ++
>  include/linux/kernel.h   |   22 +-
>  5 files changed, 25 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/i2c/chips/menelaus.c 
> b/drivers/i2c/chips/menelaus.c
> index d9c92c5..66436ba 100644
> --- a/drivers/i2c/chips/menelaus.c
> +++ b/drivers/i2c/chips/menelaus.c
> @@ -49,8 +49,6 @@
>  
>  #define DRIVER_NAME  "menelaus"
>  
> -#define pr_err(fmt, arg...)  printk(KERN_ERR DRIVER_NAME ": 
> ", ## arg);
> -
>  #define MENELAUS_I2C_ADDRESS 0x72
>  
>  #define MENELAUS_REV 0x01
> @@ -155,7 +153,7 @@ static int menelaus_write_reg(int reg, u8 value)
>   int val = 
> i2c_smbus_write_byte_data(the_menelaus->client, reg, value);
>  
>   if (val < 0) {
> - pr_err("write error");
> + pr_err(DRIVER_NAME ": write error");
>   return val;
>   }
>  
> @@ -167,7 +165,7 @@ static int menelaus_read_reg(int reg)
>   int val = i2c_smbus_read_byte_data(the_menelaus->client, reg);
>  
>   if (val < 0)
> - pr_err("read error");
> + pr_err(DRIVER_NAME ": read error");
>  
>   return val;
>  }
> @@ -1177,7 +1175,7 @@ static int menelaus_probe(struct 
> i2c_client *client)
>   /* If a true probe check the device */
>   rev = menelaus_read_reg(MENELAUS_REV);
>   if (rev < 0) {
> - pr_err("device not found");
> + pr_err(DRIVER_NAME ": device not found");
>   err = -ENODEV;
>   goto fail1;
>   }
> @@ -1258,7 +1256,7 @@ static int __init menelaus_init(void)
>  
>   res = i2c_add_driver(_i2c_driver);
>   if (res < 0) {
> - pr_err("driver registration failed\n");
> + pr_err(DRIVER_NAME ": driver registration failed\n");
>   return res;
>   }
>  
> diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
> index dbbdb8c..c67b11d 100644
> --- a/drivers/net/spider_net.h
> +++ b/drivers/net/spider_net.h
> @@ -493,7 +493,4 @@ struct spider_net_card {
>   struct spider_net_descr darray[0];
>  };
>  
> -#define pr_err(fmt,arg...) \
> - printk(KERN_ERR fmt ,##arg)
> -
>  #endif
> diff --git a/drivers/video/omap/lcd_h3.c b/drivers/video/omap/lcd_h3.c
> index 51807b4..c604d93 100644
> --- a/drivers/video/omap/lcd_h3.c
> +++ b/drivers/video/omap/lcd_h3.c
> @@ -28,8 +28,6 @@
>  
>  #define MODULE_NAME  "omapfb-lcd_h3"
>  
> -#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ": 
> " fmt, ## args)
> -
>  static int 

RE: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-14 Thread Medve Emilian-EMMEDVE1
Hello Andrew,


I realize this e-mail might be nuisance and time waster for you but I'm
in need of advice. I apologize in advance for any commonsense cultural
conventions I'm breaking.

I sent the below patch to four e-mail lists and it lead to orthogonal
conversations about how the entire kernel logging system/mechanisms need
to be re-written and thus such incremental improvements as these get out
of focus...

In this case I started needing pr_err() and discovered that is defined
already four times but not with global visibility as some other pr_*()
from kernel.h (a subset of the entire family). I chose not to define it
yet the fifth time but clean up the existing definitions and complete
the family. For some reason it didn't go through even though I had some
positive feedback. Now it seems I'm encouraged to really define the
pr_err() for the fifth time...  Not quite sure what to do...


Cheers,
Emil.


 -Original Message-
 From: Medve Emilian-EMMEDVE1 
 Sent: Wednesday, September 12, 2007 11:40 AM
 To: linux-kernel@vger.kernel.org; [EMAIL PROTECTED]; 
 [EMAIL PROTECTED]; [EMAIL PROTECTED]
 Cc: Medve Emilian-EMMEDVE1
 Subject: [PATCH v3] Make the pr_*() family of macros in 
 kernel.h complete
 
 Other/Some pr_*() macros are already defined in kernel.h, but 
 pr_err() was defined
 multiple times in several other places
 
 Signed-off-by: Emil Medve [EMAIL PROTECTED]
 ---
 
 I'm writing a driver and I've been using the pr_*() macros 
 from kernel.h and I
 was surprised not to find there pr_err() but defined multiple 
 times (in four
 different files). I didn't want to define it yet one more 
 time so I did this
 cleanup
 
 As per community request/suggestion, I added the rest of the 
 missing pr_*()
 macros to complete the family. The names of the macros are 
 based on the KERN_*
 loglevel names and are macthing the naming convention of the 
 dev_*() print
 macros from device.h. The macros are defined in the ascending 
 order of the
 loglevel
 
 This patch is against Linus' tree 
 (577107e8e4cf9f6f4f5ef8350ac9a8faa6c3796d)
 
 linux-2.6 scripts/checkpatch.pl 
 0001-Make-the-pr_-family-of-macros-in-kernel.h-complet.patch 
 Your patch has no obvious style problems and is ready for submission.
 
  drivers/i2c/chips/menelaus.c |   10 --
  drivers/net/spider_net.h |3 ---
  drivers/video/omap/lcd_h3.c  |6 ++
  drivers/video/omap/lcd_inn1610.c |6 ++
  include/linux/kernel.h   |   22 +-
  5 files changed, 25 insertions(+), 22 deletions(-)
 
 diff --git a/drivers/i2c/chips/menelaus.c 
 b/drivers/i2c/chips/menelaus.c
 index d9c92c5..66436ba 100644
 --- a/drivers/i2c/chips/menelaus.c
 +++ b/drivers/i2c/chips/menelaus.c
 @@ -49,8 +49,6 @@
  
  #define DRIVER_NAME  menelaus
  
 -#define pr_err(fmt, arg...)  printk(KERN_ERR DRIVER_NAME : 
 , ## arg);
 -
  #define MENELAUS_I2C_ADDRESS 0x72
  
  #define MENELAUS_REV 0x01
 @@ -155,7 +153,7 @@ static int menelaus_write_reg(int reg, u8 value)
   int val = 
 i2c_smbus_write_byte_data(the_menelaus-client, reg, value);
  
   if (val  0) {
 - pr_err(write error);
 + pr_err(DRIVER_NAME : write error);
   return val;
   }
  
 @@ -167,7 +165,7 @@ static int menelaus_read_reg(int reg)
   int val = i2c_smbus_read_byte_data(the_menelaus-client, reg);
  
   if (val  0)
 - pr_err(read error);
 + pr_err(DRIVER_NAME : read error);
  
   return val;
  }
 @@ -1177,7 +1175,7 @@ static int menelaus_probe(struct 
 i2c_client *client)
   /* If a true probe check the device */
   rev = menelaus_read_reg(MENELAUS_REV);
   if (rev  0) {
 - pr_err(device not found);
 + pr_err(DRIVER_NAME : device not found);
   err = -ENODEV;
   goto fail1;
   }
 @@ -1258,7 +1256,7 @@ static int __init menelaus_init(void)
  
   res = i2c_add_driver(menelaus_i2c_driver);
   if (res  0) {
 - pr_err(driver registration failed\n);
 + pr_err(DRIVER_NAME : driver registration failed\n);
   return res;
   }
  
 diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
 index dbbdb8c..c67b11d 100644
 --- a/drivers/net/spider_net.h
 +++ b/drivers/net/spider_net.h
 @@ -493,7 +493,4 @@ struct spider_net_card {
   struct spider_net_descr darray[0];
  };
  
 -#define pr_err(fmt,arg...) \
 - printk(KERN_ERR fmt ,##arg)
 -
  #endif
 diff --git a/drivers/video/omap/lcd_h3.c b/drivers/video/omap/lcd_h3.c
 index 51807b4..c604d93 100644
 --- a/drivers/video/omap/lcd_h3.c
 +++ b/drivers/video/omap/lcd_h3.c
 @@ -28,8 +28,6 @@
  
  #define MODULE_NAME  omapfb-lcd_h3
  
 -#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME : 
  fmt, ## args)
 -
  static int h3_panel_init(struct lcd_panel *panel, struct 
 omapfb_device *fbdev)
  {
   return 0;
 @@ -48,7 +46,7 @@ static int h3_panel_enable(struct lcd_panel 

Re: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-14 Thread Satyam Sharma
  -Original Message-
  From: Medve Emilian-EMMEDVE1
  Sent: Wednesday, September 12, 2007 11:40 AM
  To: linux-kernel@vger.kernel.org; [EMAIL PROTECTED];
  [EMAIL PROTECTED]; [EMAIL PROTECTED]
  Cc: Medve Emilian-EMMEDVE1

... no maintainer explicitly copied on the original mail who'd push this in.
Little thing, but LKML is too noisy, so you need to Cc: folks explicitly ...

  Subject: [PATCH v3] Make the pr_*() family of macros in
  kernel.h complete
 
  Other/Some pr_*() macros are already defined in kernel.h, but
  pr_err() was defined
  multiple times in several other places
 
  Signed-off-by: Emil Medve [EMAIL PROTECTED]

I think it's a useful cleanup, patch looks good to me ...

Reviewed-by: Satyam Sharma [EMAIL PROTECTED]

[ Original diff is at: http://lkml.org/lkml/diff/2007/9/12/182/1 ]
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
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Re: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-14 Thread Randy Dunlap
On Fri, 14 Sep 2007 22:11:59 +0530 Satyam Sharma wrote:

   -Original Message-
   From: Medve Emilian-EMMEDVE1
   Sent: Wednesday, September 12, 2007 11:40 AM
   To: linux-kernel@vger.kernel.org; [EMAIL PROTECTED];
   [EMAIL PROTECTED]; [EMAIL PROTECTED]
   Cc: Medve Emilian-EMMEDVE1
 
 ... no maintainer explicitly copied on the original mail who'd push this in.
 Little thing, but LKML is too noisy, so you need to Cc: folks explicitly ...
 
   Subject: [PATCH v3] Make the pr_*() family of macros in
   kernel.h complete
  
   Other/Some pr_*() macros are already defined in kernel.h, but
   pr_err() was defined
   multiple times in several other places
  
   Signed-off-by: Emil Medve [EMAIL PROTECTED]
 
 I think it's a useful cleanup, patch looks good to me ...
 
 Reviewed-by: Satyam Sharma [EMAIL PROTECTED]

I like it too.

Acked-by: Randy Dunlap [EMAIL PROTECTED]

(since I still haven't seen reviewed-by in SubmittingPatches)

 [ Original diff is at: http://lkml.org/lkml/diff/2007/9/12/182/1 ]

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
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Re: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-14 Thread Andrew Morton
On Fri, 14 Sep 2007 06:27:04 -0700 Medve Emilian-EMMEDVE1 [EMAIL PROTECTED] 
wrote:

 I realize this e-mail might be nuisance and time waster for you but I'm
 in need of advice. I apologize in advance for any commonsense cultural
 conventions I'm breaking.
 
 I sent the below patch to four e-mail lists and it lead to orthogonal
 conversations about how the entire kernel logging system/mechanisms need
 to be re-written and thus such incremental improvements as these get out
 of focus...
 
 In this case I started needing pr_err() and discovered that is defined
 already four times but not with global visibility as some other pr_*()
 from kernel.h (a subset of the entire family). I chose not to define it
 yet the fifth time but clean up the existing definitions and complete
 the family. For some reason it didn't go through even though I had some
 positive feedback. Now it seems I'm encouraged to really define the
 pr_err() for the fifth time...  Not quite sure what to do...

I normally troll the lkml list for patches like this and will sweep them
up.  But I'm presently 1400 messages in arrears so there is some latency.

I'll go grab this patch.
-
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


RE: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-12 Thread Joe Perches
On Wed, 2007-09-12 at 11:44 -0700, Medve Emilian-EMMEDVE1 wrote:
> First, this patch doesn't have the trailing "\n" problem that one had.

I expect all the kernel logging functions to be
overhauled eventually.

I'd prefer a mechanism that somehow supports
identifying complete messages.  I think the new
pr_ functions are not particularly useful
without a mechanism to avoid or identify multiple
processors or threads interleaving partial in-progress
multiple statement messages.

I've got a very large patch series that converts _all_
the current single line messages that use KERN_
to pr_ and identifies, prefixes and postfixes
the rest of the multiple source line messages.

At some point, sooner or later, the logging functions
will be improved.  Apparently, more likely later.

cheers, Joe

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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RE: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-12 Thread Medve Emilian-EMMEDVE1
> -Original Message-
> From: Jan Engelhardt [mailto:[EMAIL PROTECTED] 
> Sent: Wednesday, September 12, 2007 1:04 PM
> To: Medve Emilian-EMMEDVE1
> Cc: linux-kernel@vger.kernel.org; [EMAIL PROTECTED]; 
> [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: Re: [PATCH v3] Make the pr_*() family of macros in 
> kernel.h complete
> 
> 
> On Sep 12 2007 11:39, Emil Medve wrote:
> >
> >Other/Some pr_*() macros are already defined in kernel.h, 
> but pr_err() was defined
> >multiple times in several other places
> 
> Note http://lkml.org/lkml/2007/8/4/30 .


Hi Jan,


I didn't see that thread before I submitted the patch... I don't want to
start the conversation from the top 'cause this is not a patch that
fixes some existing showstopper... however, I have two comments to make.
First, this patch doesn't have the trailing "\n" problem that one had.
Second, it seems that multiple people at different moments in time have
the same idea to complete and, more important, to use the pr_*() family
of macros because I guess it makes it easier to use them. In addition,
it would make it less likely for people to forget using the loglevel in
their kernel messages.

Is trying to add them a dead path? Thing is that the existing ones
suggest to, more or less, new people to the kernel that they should use
them and then discover the incompleteness/inconsistency...


Cheers,
Emil.
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Re: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-12 Thread Jan Engelhardt

On Sep 12 2007 11:39, Emil Medve wrote:
>
>Other/Some pr_*() macros are already defined in kernel.h, but pr_err() was 
>defined
>multiple times in several other places

Note http://lkml.org/lkml/2007/8/4/30 .
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


[PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-12 Thread Emil Medve
Other/Some pr_*() macros are already defined in kernel.h, but pr_err() was 
defined
multiple times in several other places

Signed-off-by: Emil Medve <[EMAIL PROTECTED]>
---

I'm writing a driver and I've been using the pr_*() macros from kernel.h and I
was surprised not to find there pr_err() but defined multiple times (in four
different files). I didn't want to define it yet one more time so I did this
cleanup

As per community request/suggestion, I added the rest of the missing pr_*()
macros to complete the family. The names of the macros are based on the KERN_*
loglevel names and are macthing the naming convention of the dev_*() print
macros from device.h. The macros are defined in the ascending order of the
loglevel

This patch is against Linus' tree (577107e8e4cf9f6f4f5ef8350ac9a8faa6c3796d)

linux-2.6> scripts/checkpatch.pl 
0001-Make-the-pr_-family-of-macros-in-kernel.h-complet.patch 
Your patch has no obvious style problems and is ready for submission.

 drivers/i2c/chips/menelaus.c |   10 --
 drivers/net/spider_net.h |3 ---
 drivers/video/omap/lcd_h3.c  |6 ++
 drivers/video/omap/lcd_inn1610.c |6 ++
 include/linux/kernel.h   |   22 +-
 5 files changed, 25 insertions(+), 22 deletions(-)

diff --git a/drivers/i2c/chips/menelaus.c b/drivers/i2c/chips/menelaus.c
index d9c92c5..66436ba 100644
--- a/drivers/i2c/chips/menelaus.c
+++ b/drivers/i2c/chips/menelaus.c
@@ -49,8 +49,6 @@
 
 #define DRIVER_NAME"menelaus"
 
-#define pr_err(fmt, arg...)printk(KERN_ERR DRIVER_NAME ": ", ## arg);
-
 #define MENELAUS_I2C_ADDRESS   0x72
 
 #define MENELAUS_REV   0x01
@@ -155,7 +153,7 @@ static int menelaus_write_reg(int reg, u8 value)
int val = i2c_smbus_write_byte_data(the_menelaus->client, reg, value);
 
if (val < 0) {
-   pr_err("write error");
+   pr_err(DRIVER_NAME ": write error");
return val;
}
 
@@ -167,7 +165,7 @@ static int menelaus_read_reg(int reg)
int val = i2c_smbus_read_byte_data(the_menelaus->client, reg);
 
if (val < 0)
-   pr_err("read error");
+   pr_err(DRIVER_NAME ": read error");
 
return val;
 }
@@ -1177,7 +1175,7 @@ static int menelaus_probe(struct i2c_client *client)
/* If a true probe check the device */
rev = menelaus_read_reg(MENELAUS_REV);
if (rev < 0) {
-   pr_err("device not found");
+   pr_err(DRIVER_NAME ": device not found");
err = -ENODEV;
goto fail1;
}
@@ -1258,7 +1256,7 @@ static int __init menelaus_init(void)
 
res = i2c_add_driver(_i2c_driver);
if (res < 0) {
-   pr_err("driver registration failed\n");
+   pr_err(DRIVER_NAME ": driver registration failed\n");
return res;
}
 
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index dbbdb8c..c67b11d 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -493,7 +493,4 @@ struct spider_net_card {
struct spider_net_descr darray[0];
 };
 
-#define pr_err(fmt,arg...) \
-   printk(KERN_ERR fmt ,##arg)
-
 #endif
diff --git a/drivers/video/omap/lcd_h3.c b/drivers/video/omap/lcd_h3.c
index 51807b4..c604d93 100644
--- a/drivers/video/omap/lcd_h3.c
+++ b/drivers/video/omap/lcd_h3.c
@@ -28,8 +28,6 @@
 
 #define MODULE_NAME"omapfb-lcd_h3"
 
-#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ": " fmt, ## args)
-
 static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
 {
return 0;
@@ -48,7 +46,7 @@ static int h3_panel_enable(struct lcd_panel *panel)
if (!r)
r = tps65010_set_gpio_out_value(GPIO2, HIGH);
if (r)
-   pr_err("Unable to turn on LCD panel\n");
+   pr_err(MODULE_NAME ": Unable to turn on LCD panel\n");
 
return r;
 }
@@ -62,7 +60,7 @@ static void h3_panel_disable(struct lcd_panel *panel)
if (!r)
tps65010_set_gpio_out_value(GPIO2, LOW);
if (r)
-   pr_err("Unable to turn off LCD panel\n");
+   pr_err(MODULE_NAME ": Unable to turn off LCD panel\n");
 }
 
 static unsigned long h3_panel_get_caps(struct lcd_panel *panel)
diff --git a/drivers/video/omap/lcd_inn1610.c b/drivers/video/omap/lcd_inn1610.c
index 95604ca..5ef119c 100644
--- a/drivers/video/omap/lcd_inn1610.c
+++ b/drivers/video/omap/lcd_inn1610.c
@@ -27,20 +27,18 @@
 
 #define MODULE_NAME"omapfb-lcd_h3"
 
-#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME ": " fmt, ## args)
-
 static int innovator1610_panel_init(struct lcd_panel *panel,
struct omapfb_device *fbdev)
 {
int r = 0;
 
if (omap_request_gpio(14)) {
-   pr_err("can't request GPIO 14\n");
+   pr_err(MODULE_NAME ": can't request GPIO 14\n");
r = 

[PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-12 Thread Emil Medve
Other/Some pr_*() macros are already defined in kernel.h, but pr_err() was 
defined
multiple times in several other places

Signed-off-by: Emil Medve [EMAIL PROTECTED]
---

I'm writing a driver and I've been using the pr_*() macros from kernel.h and I
was surprised not to find there pr_err() but defined multiple times (in four
different files). I didn't want to define it yet one more time so I did this
cleanup

As per community request/suggestion, I added the rest of the missing pr_*()
macros to complete the family. The names of the macros are based on the KERN_*
loglevel names and are macthing the naming convention of the dev_*() print
macros from device.h. The macros are defined in the ascending order of the
loglevel

This patch is against Linus' tree (577107e8e4cf9f6f4f5ef8350ac9a8faa6c3796d)

linux-2.6 scripts/checkpatch.pl 
0001-Make-the-pr_-family-of-macros-in-kernel.h-complet.patch 
Your patch has no obvious style problems and is ready for submission.

 drivers/i2c/chips/menelaus.c |   10 --
 drivers/net/spider_net.h |3 ---
 drivers/video/omap/lcd_h3.c  |6 ++
 drivers/video/omap/lcd_inn1610.c |6 ++
 include/linux/kernel.h   |   22 +-
 5 files changed, 25 insertions(+), 22 deletions(-)

diff --git a/drivers/i2c/chips/menelaus.c b/drivers/i2c/chips/menelaus.c
index d9c92c5..66436ba 100644
--- a/drivers/i2c/chips/menelaus.c
+++ b/drivers/i2c/chips/menelaus.c
@@ -49,8 +49,6 @@
 
 #define DRIVER_NAMEmenelaus
 
-#define pr_err(fmt, arg...)printk(KERN_ERR DRIVER_NAME : , ## arg);
-
 #define MENELAUS_I2C_ADDRESS   0x72
 
 #define MENELAUS_REV   0x01
@@ -155,7 +153,7 @@ static int menelaus_write_reg(int reg, u8 value)
int val = i2c_smbus_write_byte_data(the_menelaus-client, reg, value);
 
if (val  0) {
-   pr_err(write error);
+   pr_err(DRIVER_NAME : write error);
return val;
}
 
@@ -167,7 +165,7 @@ static int menelaus_read_reg(int reg)
int val = i2c_smbus_read_byte_data(the_menelaus-client, reg);
 
if (val  0)
-   pr_err(read error);
+   pr_err(DRIVER_NAME : read error);
 
return val;
 }
@@ -1177,7 +1175,7 @@ static int menelaus_probe(struct i2c_client *client)
/* If a true probe check the device */
rev = menelaus_read_reg(MENELAUS_REV);
if (rev  0) {
-   pr_err(device not found);
+   pr_err(DRIVER_NAME : device not found);
err = -ENODEV;
goto fail1;
}
@@ -1258,7 +1256,7 @@ static int __init menelaus_init(void)
 
res = i2c_add_driver(menelaus_i2c_driver);
if (res  0) {
-   pr_err(driver registration failed\n);
+   pr_err(DRIVER_NAME : driver registration failed\n);
return res;
}
 
diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h
index dbbdb8c..c67b11d 100644
--- a/drivers/net/spider_net.h
+++ b/drivers/net/spider_net.h
@@ -493,7 +493,4 @@ struct spider_net_card {
struct spider_net_descr darray[0];
 };
 
-#define pr_err(fmt,arg...) \
-   printk(KERN_ERR fmt ,##arg)
-
 #endif
diff --git a/drivers/video/omap/lcd_h3.c b/drivers/video/omap/lcd_h3.c
index 51807b4..c604d93 100644
--- a/drivers/video/omap/lcd_h3.c
+++ b/drivers/video/omap/lcd_h3.c
@@ -28,8 +28,6 @@
 
 #define MODULE_NAMEomapfb-lcd_h3
 
-#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME :  fmt, ## args)
-
 static int h3_panel_init(struct lcd_panel *panel, struct omapfb_device *fbdev)
 {
return 0;
@@ -48,7 +46,7 @@ static int h3_panel_enable(struct lcd_panel *panel)
if (!r)
r = tps65010_set_gpio_out_value(GPIO2, HIGH);
if (r)
-   pr_err(Unable to turn on LCD panel\n);
+   pr_err(MODULE_NAME : Unable to turn on LCD panel\n);
 
return r;
 }
@@ -62,7 +60,7 @@ static void h3_panel_disable(struct lcd_panel *panel)
if (!r)
tps65010_set_gpio_out_value(GPIO2, LOW);
if (r)
-   pr_err(Unable to turn off LCD panel\n);
+   pr_err(MODULE_NAME : Unable to turn off LCD panel\n);
 }
 
 static unsigned long h3_panel_get_caps(struct lcd_panel *panel)
diff --git a/drivers/video/omap/lcd_inn1610.c b/drivers/video/omap/lcd_inn1610.c
index 95604ca..5ef119c 100644
--- a/drivers/video/omap/lcd_inn1610.c
+++ b/drivers/video/omap/lcd_inn1610.c
@@ -27,20 +27,18 @@
 
 #define MODULE_NAMEomapfb-lcd_h3
 
-#define pr_err(fmt, args...) printk(KERN_ERR MODULE_NAME :  fmt, ## args)
-
 static int innovator1610_panel_init(struct lcd_panel *panel,
struct omapfb_device *fbdev)
 {
int r = 0;
 
if (omap_request_gpio(14)) {
-   pr_err(can't request GPIO 14\n);
+   pr_err(MODULE_NAME : can't request GPIO 14\n);
r = -1;
goto exit;
}

Re: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-12 Thread Jan Engelhardt

On Sep 12 2007 11:39, Emil Medve wrote:

Other/Some pr_*() macros are already defined in kernel.h, but pr_err() was 
defined
multiple times in several other places

Note http://lkml.org/lkml/2007/8/4/30 .
-
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RE: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-12 Thread Medve Emilian-EMMEDVE1
 -Original Message-
 From: Jan Engelhardt [mailto:[EMAIL PROTECTED] 
 Sent: Wednesday, September 12, 2007 1:04 PM
 To: Medve Emilian-EMMEDVE1
 Cc: linux-kernel@vger.kernel.org; [EMAIL PROTECTED]; 
 [EMAIL PROTECTED]; [EMAIL PROTECTED]
 Subject: Re: [PATCH v3] Make the pr_*() family of macros in 
 kernel.h complete
 
 
 On Sep 12 2007 11:39, Emil Medve wrote:
 
 Other/Some pr_*() macros are already defined in kernel.h, 
 but pr_err() was defined
 multiple times in several other places
 
 Note http://lkml.org/lkml/2007/8/4/30 .


Hi Jan,


I didn't see that thread before I submitted the patch... I don't want to
start the conversation from the top 'cause this is not a patch that
fixes some existing showstopper... however, I have two comments to make.
First, this patch doesn't have the trailing \n problem that one had.
Second, it seems that multiple people at different moments in time have
the same idea to complete and, more important, to use the pr_*() family
of macros because I guess it makes it easier to use them. In addition,
it would make it less likely for people to forget using the loglevel in
their kernel messages.

Is trying to add them a dead path? Thing is that the existing ones
suggest to, more or less, new people to the kernel that they should use
them and then discover the incompleteness/inconsistency...


Cheers,
Emil.
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RE: [PATCH v3] Make the pr_*() family of macros in kernel.h complete

2007-09-12 Thread Joe Perches
On Wed, 2007-09-12 at 11:44 -0700, Medve Emilian-EMMEDVE1 wrote:
 First, this patch doesn't have the trailing \n problem that one had.

I expect all the kernel logging functions to be
overhauled eventually.

I'd prefer a mechanism that somehow supports
identifying complete messages.  I think the new
pr_level functions are not particularly useful
without a mechanism to avoid or identify multiple
processors or threads interleaving partial in-progress
multiple statement messages.

I've got a very large patch series that converts _all_
the current single line messages that use KERN_level
to pr_level and identifies, prefixes and postfixes
the rest of the multiple source line messages.

At some point, sooner or later, the logging functions
will be improved.  Apparently, more likely later.

cheers, Joe

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