Re: [PATCH v3 1/1] device property: Add a note to the fwnode.h
From: Sakari Ailus
Date: Tue Apr 08 2025 - 06:12:02 EST
On Tue, Apr 08, 2025 at 12:48:55PM +0300, Andy Shevchenko wrote:
> Add a note to the fwnode.h that the header should not be used
> directly in the leaf drivers, they all should use the higher
> level APIs and the respective headers.
>
> The purpose of this note is to give guidance to driver writers
> to avoid repeating a common mistake.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Reviewed-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
> ---
>
> v3: reworded the note, added problem statement into commit message (Rafael)
> v2: added "...into the driver" piece at the end to remove ambiguity
>
> include/linux/fwnode.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
> index 87b183595ba1..900ecd8f45a1 100644
> --- a/include/linux/fwnode.h
> +++ b/include/linux/fwnode.h
> @@ -2,6 +2,11 @@
> /*
> * fwnode.h - Firmware device node object handle type definition.
> *
> + * This header file provides low-level data types and definitions for firmware
> + * and device property providers. The respective API header files supplied by
> + * them should contain all of the requisite data types and definitions for end
> + * users, so including it directly should not be necessary.
> + *
> * Copyright (C) 2015, Intel Corporation
> * Author: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> */
--
Regards,
Sakari Ailus