[U-Boot] [PATCH] video: ipu_disp: squash clang warning

Jeroen Hofstee jeroen at myspectrum.nl
Mon Jun 16 22:03:34 CEST 2014


Hello Troy,

On ma, 2014-06-16 at 12:52 -0700, Troy Kisky wrote:
> On 6/16/2014 12:41 PM, Jeroen Hofstee wrote:
> > Since &rgb2ycbcr_coeff and friends are declared const, but
> > assigned to a void pointer, clang will warn that the const
> > is implicity casted away. Add const to indicate the pointer
> > points to const data to get rid of these warnings.
> > 
> > Cc: Stefano Babic <sbabic at denx.de>
> > Signed-off-by: Jeroen Hofstee <jeroen at myspectrum.nl>
> > ---
> >  drivers/video/ipu_disp.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/video/ipu_disp.c b/drivers/video/ipu_disp.c
> > index cefd2dc..31b5a10 100644
> > --- a/drivers/video/ipu_disp.c
> > +++ b/drivers/video/ipu_disp.c
> > @@ -33,7 +33,7 @@ enum csc_type_t {
> >  
> >  struct dp_csc_param_t {
> >  	int mode;
> > -	void *coeff;
> > +	void * const coeff;
> >  };
> >  
> >  #define SYNC_WAVE 0
> > 
> 
> Doesn't this says the pointer is constant, not that it points to constant data?
> So, commit log needs updated or
> const void *coeff;

yup, it does. Thanks. The patch should be updated actually.

Regards,
Jeroen





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