Re: [PATCH v2 15/16] checkpatch: Add warning on deprecated walk_iomem_res

[Toshi Kani]

On 12/25/2015 5:05 PM, Joe Perches wrote:
> On Fri, 2015-12-25 at 15:09 -0700, Toshi Kani wrote:
> > Use of walk_iomem_res() is deprecated in new code.  Change
> > checkpatch.pl to check new use of walk_iomem_res() and suggest
> > to use walk_iomem_res_desc() instead.
> []
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> []
> > @@ -3424,6 +3424,12 @@ sub process {
> >   			}
> >   		}
> >
> > +# check for uses of walk_iomem_res()
> > +		if ($line =~ /\bwalk_iomem_res\(/) {
> > +			WARN("walk_iomem_res",
> > +			     "Use of walk_iomem_res is deprecated, please use walk_iomem_res_desc instead\n" . $herecurr)
> > +		}
> > +
> >   # check for new typedefs, only function parameters and sparse annotations
> >   # make sense.
> >   		if ($line =~ /\btypedef\s/ &&
>
> There are 6 uses of this function in the entire kernel tree.
> Why not just change them, remove the function and avoid this?

Sorry, I should have put some background in the description.  We have 
discussed if we can remove walk_iomem_res() in the thread below.
https://lkml.org/lkml/2015/12/23/248

But this may depend on how we deal with the last remaining caller, 
walk_iomem_res() with "GART", being discussed in the thread below.  I 
will update according to the outcome.
https://lkml.org/lkml/2015/12/26/144

Thanks,
-Toshi
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