Re: V4L/DVB (12859): go7007: semaphore -> mutex conversion

[Stefan Lippers-Hollmann]

Hi

On Friday 13 November 2009, Linux Kernel Mailing List wrote:
> Gitweb:     http://git.kernel.org/linus/fd9a40da1db372833e1af6397d2f6c94ceff3dad
> Commit:     fd9a40da1db372833e1af6397d2f6c94ceff3dad
> Parent:     028d4c989ab9e839471739332d185f8f158b0043
> Author:     Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
> AuthorDate: Tue Sep 15 11:07:59 2009 -0300
> Committer:  Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
> CommitDate: Sat Sep 19 00:13:37 2009 -0300
> 
>     V4L/DVB (12859): go7007: semaphore -> mutex conversion
>     
>     Signed-off-by: Hans Verkuil <hverkuil@xxxxxxxxx>
>     Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>

As already noticed by Pascal Terjan <pterjan@xxxxxxxxx>
	http://lkml.indiana.edu/hypermail/linux/kernel/0909.3/00062.html
go7007 currently fails to build in 2.6.32-rc6-git5

  LD      drivers/staging/go7007/built-in.o                                                      
  CC [M]  drivers/staging/go7007/go7007-v4l2.o                                                   
  CC [M]  drivers/staging/go7007/go7007-driver.o                                                 
  CC [M]  drivers/staging/go7007/go7007-i2c.o                                                    
  CC [M]  drivers/staging/go7007/go7007-fw.o                                                     
  CC [M]  drivers/staging/go7007/snd-go7007.o                                                    
  CC [M]  drivers/staging/go7007/s2250-board.o                                                   
drivers/staging/go7007/s2250-board.c:24:26: error: s2250-loader.h: No such file or directory     
drivers/staging/go7007/s2250-board.c: In function 'read_reg_fp':                                 
drivers/staging/go7007/s2250-board.c:264: warning: passing argument 1 of 'down_interruptible' from incompatible pointer type                                                                      
drivers/staging/go7007/s2250-board.c:273: warning: passing argument 1 of 'up' from incompatible pointer type                                                                                      
drivers/staging/go7007/s2250-board.c: In function 's2250_init':                                  
drivers/staging/go7007/s2250-board.c:670: error: implicit declaration of function 's2250loader_init'                                                                                              
drivers/staging/go7007/s2250-board.c:676: error: implicit declaration of function 's2250loader_cleanup'                                                                                           
make[6]: *** [drivers/staging/go7007/s2250-board.o] Error 1                                      
make[5]: *** [drivers/staging/go7007] Error 2                                                    
make[4]: *** [drivers/staging] Error 2                                                           
make[3]: *** [drivers] Error 2        

>  drivers/staging/go7007/go7007-driver.c |   12 +++---
>  drivers/staging/go7007/go7007-i2c.c    |   12 +++---
>  drivers/staging/go7007/go7007-priv.h   |    6 +-
>  drivers/staging/go7007/go7007-usb.c    |   10 ++--
>  drivers/staging/go7007/go7007-v4l2.c   |   66 ++++++++++++++++----------------
>  drivers/staging/go7007/go7007.txt      |    4 +-
>  drivers/staging/go7007/s2250-board.c   |   18 ++++-----
>  drivers/staging/go7007/s2250-loader.c  |    8 ++--
>  drivers/staging/go7007/snd-go7007.c    |    2 +-
>  9 files changed, 68 insertions(+), 70 deletions(-)

[...]
> diff --git a/drivers/staging/go7007/s2250-board.c b/drivers/staging/go7007/s2250-board.c
> index b398db4..f35f077 100644
> --- a/drivers/staging/go7007/s2250-board.c
> +++ b/drivers/staging/go7007/s2250-board.c
> @@ -21,12 +21,10 @@
>  #include <linux/i2c.h>
>  #include <linux/videodev2.h>
>  #include <media/v4l2-common.h>
> +#include "s2250-loader.h"

s2250-loader.h is neither available in 
	git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
nor
	git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6.git
although it seems to have been included in Hans' initial pull request 
	http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg09506.html

>  #include "go7007-priv.h"
>  #include "wis-i2c.h"
>  
> -extern int s2250loader_init(void);
> -extern void s2250loader_cleanup(void);
> -
>  #define TLV320_ADDRESS      0x34
>  #define VPX322_ADDR_ANALOGCONTROL1	0x02
>  #define VPX322_ADDR_BRIGHTNESS0		0x0127
[...]

This is a regression since 2.6.31.

Regards
	Stefan Lippers-Hollmann
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