linux-kernel - Re: [PATCH v2 15/16] checkpatch: Add warning on deprecated walk_iomem

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Message-ID: <1451088307.12498.3.camel@perches.com>
Date:	Fri, 25 Dec 2015 16:05:07 -0800
From:	Joe Perches <joe@...ches.com>
To:	Toshi Kani <toshi.kani@....com>, akpm@...ux-foundation.org,
	bp@...en8.de
Cc:	linux-arch@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Andy Whitcroft <apw@...onical.com>
Subject: Re: [PATCH v2 15/16] checkpatch: Add warning on deprecated
 walk_iomem_res

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?

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