Re: [PATCH] media: include/video/omapfb_dss.h: use IS_ENABLED()

[Mauro Carvalho Chehab <mchehab+samsung@kernel.org>]

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Em Sat, 5 May 2018 10:59:23 -0700
Randy Dunlap <rdunlap@infradead.org> escreveu:

> On 05/04/2018 01:49 PM, Mauro Carvalho Chehab wrote:
> > Just checking for ifdefs cause build issues as reported by
> > kernel test:
> > 
> > config: openrisc-allmodconfig (attached as .config)
> > compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental)
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    drivers/video/fbdev/omap2/omapfb/omapfb-main.c: In function 'omapfb_init_connections':  
> >>> drivers/video/fbdev/omap2/omapfb/omapfb-main.c:2396:8: error: implicit declaration of function 'omapdss_find_mgr_from_display' [-Werror=implicit-function-declaration]  
> >      mgr = omapdss_find_mgr_from_display(def_dssdev);
> >            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >    drivers/video/fbdev/omap2/omapfb/omapfb-main.c:2396:6: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> >      mgr = omapdss_find_mgr_from_display(def_dssdev);
> >          ^
> >    drivers/video/fbdev/omap2/omapfb/omapfb-main.c: In function 'omapfb_find_default_display':  
> >>> drivers/video/fbdev/omap2/omapfb/omapfb-main.c:2430:13: error: implicit declaration of function 'omapdss_get_default_display_name' [-Werror=implicit-function-declaration]  
> >      def_name = omapdss_get_default_display_name();
> >                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >    drivers/video/fbdev/omap2/omapfb/omapfb-main.c:2430:11: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> >      def_name = omapdss_get_default_display_name();
> >               ^
> > 
> > So, use IS_ENABLED() instead.  
> 
> Hi,
> 
> I would like to test this (the change doesn't make much sense to me),
> but I cannot find the kernel config file nor the kernel test robot's
> email of this report.
> 
> Please include an lkml.kernel.org/r/<message_id> reference to such emails
> so that interested parties can join the party.

The message was not c/c to lkml. You can see the original here:

https://www.mail-archive.com/linux-media@vger.kernel.org/msg130809.html


> 
> Does this patch apply only to your media tree?  so hopefully I can see it in
> linux-next on Monday.

Yes, as it is over another two patches applied there.

If you want to test it earlier, it is in the top of the master branch:
	https://git.linuxtv.org/media_tree.git

> 
> Thanks.
> 
> > Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> > Cc: Randy Dunlap <rdunlap@infradead.org>
> > Cc: tomi.valkeinen@ti.com
> > Cc: linux-omap@vger.kernel.org
> > Cc: linux-fbdev@vger.kernel.org
> > Fixes: 771f7be87ff9 ("media: omapfb: omapfb_dss.h: add stubs to build with COMPILE_TEST && DRM_OMAP")
> > Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
> > ---
> >  include/video/omapfb_dss.h | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/include/video/omapfb_dss.h b/include/video/omapfb_dss.h
> > index e9775144ff3b..12755d8d9b4f 100644
> > --- a/include/video/omapfb_dss.h
> > +++ b/include/video/omapfb_dss.h
> > @@ -778,7 +778,7 @@ struct omap_dss_driver {
> >  
> >  typedef void (*omap_dispc_isr_t) (void *arg, u32 mask);
> >  
> > -#ifdef CONFIG_FB_OMAP2
> > +#if IS_ENABLED(CONFIG_FB_OMAP2)
> >  
> >  enum omapdss_version omapdss_get_version(void);
> >  bool omapdss_is_initialized(void);
> >   
> 
> 



Thanks,
Mauro

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