Re: [PATCH 1/3] fbdev/g364fb: Fix build failure

[Philippe Mathieu-DaudÃ]

On 2/5/20 7:02 PM, Philippe Mathieu-Daudà wrote:
> On Sun, Feb 2, 2020 at 3:41 AM Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx> wrote:
>>
>> This patch resolves these compiler errors and warnings --
>>
>>   CC      drivers/video/fbdev/g364fb.o
>> drivers/video/fbdev/g364fb.c: In function 'g364fb_cursor':
>> drivers/video/fbdev/g364fb.c:137:9: error: 'x' undeclared (first use in this function)
>> drivers/video/fbdev/g364fb.c:137:9: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/video/fbdev/g364fb.c:137:7: error: implicit declaration of function 'fontwidth' [-Werror=implicit-function-declaration]
>> drivers/video/fbdev/g364fb.c:137:23: error: 'p' undeclared (first use in this function)
>> drivers/video/fbdev/g364fb.c:137:38: error: 'y' undeclared (first use in this function)
>> drivers/video/fbdev/g364fb.c:137:7: error: implicit declaration of function 'fontheight' [-Werror=implicit-function-declaration]
>> drivers/video/fbdev/g364fb.c: In function 'g364fb_init':
>> drivers/video/fbdev/g364fb.c:233:24: error: 'fbvar' undeclared (first use in this function)
>> drivers/video/fbdev/g364fb.c:234:24: error: 'xres' undeclared (first use in this function)
> 
> 18 years unnoticed...
> 
>> drivers/video/fbdev/g364fb.c:201:14: warning: unused variable 'j' [-Wunused-variable]
>> drivers/video/fbdev/g364fb.c:197:25: warning: unused variable 'pal_ptr' [-Wunused-variable]
>>
>> The MIPS Magnum framebuffer console now works when tested in QEMU.
>>
>> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
>> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> 
> This commit is the kernel 'git origin' import, not the proper reference.
> 
> The actual change is between v2.5.17/2.5.19:
> https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git/diff/drivers/video/g364fb.c?id=b30e6e183a728923267
> Date: 2002-05-22 07:52:33...
> 
> The same commit introduced the changes in g364fb_cursor(), which was
> implemented previous to v2.4.0 so it is hard to follow from there.
> 
> Nobody complains during 18 years so I doubt anyone care that
> g364fb_cursor() is removed.
> And by removing it, you improve the kernel quality, so:
> Reviewed-by: Philippe Mathieu-Daudà <f4bug@xxxxxxxxx>
> (Maybe remove the unhelpful 'Fixes' tag).
> 
>> Signed-off-by: Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>
>> ---
>>  drivers/video/fbdev/g364fb.c | 29 +++--------------------------
>>  1 file changed, 3 insertions(+), 26 deletions(-)

Note, you need to rebase your series due to:

  commit 8a48ac339398f21282985bff16552447d41dcfb2
  Author: Jani Nikula <jani.nikula@xxxxxxxxx>
  Date:   Tue Dec 3 18:38:50 2019 +0200

      video: constify fb ops across all drivers