Re: [PATCH] dt: dt-check-compatible: Find struct of_device_id instances with compiler annotations

From: Conor Dooley
Date: Sat Aug 05 2023 - 05:16:35 EST


On Fri, Aug 04, 2023 at 01:01:29PM -0600, Rob Herring wrote:
> The regex search for declarations of struct of_device_id was missing
> cases that had a compiler annotation such as "__maybe_unused". Improve
> the regex to allow for these. Use '\S' instead of specific characters to
> shorten the regex. That also finds some more compatibles using '.'
> characters.
>
> Unfortunately, these changes add ~400 more compatibles without a
> schema.
>
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>

Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Thanks,
Conor.

> ---
> scripts/dtc/dt-extract-compatibles | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/scripts/dtc/dt-extract-compatibles b/scripts/dtc/dt-extract-compatibles
> index a1119762ed08..9df9f1face83 100755
> --- a/scripts/dtc/dt-extract-compatibles
> +++ b/scripts/dtc/dt-extract-compatibles
> @@ -25,8 +25,8 @@ def parse_of_declare_macros(data):
> def parse_of_device_id(data):
> """ Find all compatible strings in of_device_id structs """
> compat_list = []
> - for m in re.finditer(r'of_device_id\s+[a-zA-Z0-9_]+\[\]\s*=\s*({.*?);', data):
> - compat_list += re.findall(r'\.compatible\s+=\s+"([a-zA-Z0-9_\-,]+)"', m[1])
> + for m in re.finditer(r'of_device_id(\s+\S+)?\s+\S+\[\](\s+\S+)?\s*=\s*({.*?);', data):
> + compat_list += re.findall(r'\.compatible\s+=\s+"(\S+)"', m[3])
>
> return compat_list
>
> --
> 2.40.1
>

Attachment: signature.asc
Description: PGP signature