On Tue, Sep 3, 2024 at 1:07 PM Rob Herring (Arm) <robh@xxxxxxxxxx> wrote:
>
> Various DT and fwnode functions take a compatible string as a parameter.
> These are often used in cases which don't have a driver, so they've been
> missed.
>
> The additional checks add about 400 more undocumented compatible
> strings.
>
> Cc: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Acked-by: Saravana Kannan <saravanak@xxxxxxxxxx>
-Saravana
> ---
> scripts/dtc/dt-extract-compatibles | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/scripts/dtc/dt-extract-compatibles b/scripts/dtc/dt-extract-compatibles
> index 5ffb2364409b..13ea66d49e6c 100755
> --- a/scripts/dtc/dt-extract-compatibles
> +++ b/scripts/dtc/dt-extract-compatibles
> @@ -46,6 +46,15 @@ def parse_of_match_table(data):
> return match_table_list
>
>
> +def parse_of_functions(data, func_name):
> + """ Find all (device|machine)_is_compatible() arguments """
> + match_table_list = []
> + for m in re.finditer(rf'{func_name}\(([a-zA-Z0-9_>\(\)"\-]+,\s)*"([a-zA-Z0-9_,-]+)"\)', data):
> + match_table_list.append(m[2])
> +
> + return match_table_list
> +
> +
> def parse_compatibles(file, compat_ignore_list):
> with open(file, 'r', encoding='utf-8') as f:
> data = f.read().replace('\n', '')
> @@ -60,6 +69,10 @@ def parse_compatibles(file, compat_ignore_list):
> else:
> compat_list = parse_of_declare_macros(data)
> compat_list += parse_of_device_id(data)
> + compat_list += parse_of_functions(data, "_is_compatible")
> + compat_list += parse_of_functions(data, "of_find_compatible_node")
> + compat_list += parse_of_functions(data, "for_each_compatible_node")
> + compat_list += parse_of_functions(data, "of_get_compatible_child")
>
> return compat_list
>
> --
> 2.45.2
>
