linux-kernel - Re: [PATCH v1 1/1] device property: Add a note to the fwnode.h

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Message-ID: <Z_QbFgSFMv58-QmM@smile.fi.intel.com>
Date: Mon, 7 Apr 2025 21:36:06 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Zijun Hu <quic_zijuhu@...cinc.com>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Len Brown <lenb@...nel.org>,
	Daniel Scally <djrscally@...il.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Danilo Krummrich <dakr@...nel.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v1 1/1] device property: Add a note to the fwnode.h

On Mon, Apr 07, 2025 at 08:17:17PM +0200, Rafael J. Wysocki wrote:
> On Mon, Mar 31, 2025 at 6:32 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> 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.
> 
> This sounds like a solution to a problem, but the problem statement is missing.

> What's your motivation?

Found a few drivers that are mistakenly include fwnode.h while they meant to
have either of.h or more likely property.h.

...

> > + * Note, this header is not meant to be used by the leaf drivers.
> > + * It provides the low level data types and definitions for the firmware
> > + * and device property providers. The respective API headers should
> > + * guarantee all the required data types and definitions without including
> > + * this header directly.

-- 
With Best Regards,
Andy Shevchenko