linux-kernel - Re: [PATCH v2 07/17] driver core: Add fwnode

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Date:   Sun, 6 Dec 2020 09:26:21 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     Saravana Kannan <saravanak@...gle.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Marc Zyngier <maz@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        kernel-team@...roid.com, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v2 07/17] driver core: Add fwnode_init()

On Fri, Nov 20, 2020 at 06:02:22PM -0800, Saravana Kannan wrote:
> There are multiple locations in the kernel where a struct fwnode_handle
> is initialized. Add fwnode_init() so that we have one way of
> initializing a fwnode_handle.
>
> Signed-off-by: Saravana Kannan <saravanak@...gle.com>
> ---
>  drivers/acpi/property.c         | 2 +-
>  drivers/acpi/scan.c             | 2 +-
>  drivers/base/swnode.c           | 2 +-
>  drivers/firmware/efi/efi-init.c | 8 ++++----
>  include/linux/fwnode.h          | 6 ++++++
>  include/linux/of.h              | 2 +-
>  kernel/irq/irqdomain.c          | 2 +-
>  7 files changed, 15 insertions(+), 9 deletions(-)

In this series, I didn't find any extension of fwnode_init() to be it more
than simple assignment. This change looks to me like unnecessary churn and
obfuscation rather than improvement.

"...ops = &...;" is pretty standard in the kernel to initialize ops
structures.

Thanks