Re: [PATCH] checkpatch: add IDR to the deprecated list

[Joe Perches]

On Fri, 2025-10-31 at 12:19 +0100, Carlos López wrote:
> As of commit 85656ec193e9, the IDR interface is marked as deprecated
> in the documentation, but no checks are made in that regard for new
> code. Add the existing IDR initialization APIs to the deprecated list
> in checkpatch, so that if new code is introduced using these APIs, a
> warning is emitted.
> 
> Suggested-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> Signed-off-by: Carlos López <clopez@xxxxxxx>
> ---
>  scripts/checkpatch.pl | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 92669904eecc..bc72fa66c0ef 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -860,6 +860,10 @@ our %deprecated_apis = (
>  	"kunmap"				=> "kunmap_local",
>  	"kmap_atomic"				=> "kmap_local_page",
>  	"kunmap_atomic"				=> "kunmap_local",
> +	#These should be enough to drive away new IDR users
> +	"DEFINE_IDR"				=> "DEFINE_XARRAY",
> +	"idr_init"				=> "xa_init",
> +	"idr_init_base"				=> "xa_init_flags"
>  );
>  
>  #Create a search pattern for all these strings to speed up a loop below

Acked-by: Joe Perches <joe@xxxxxxxxxxx>