linux-kernel - Re: [PATCH] of: property: Add device link support for interrupts

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Message-ID: <CAMuHMdUpZELgL4qUCs1VH0UUeckpTwqYLrMy2ETPzrpuUwkLnQ@mail.gmail.com>
Date:   Wed, 20 Jan 2021 10:53:23 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Saravana Kannan <saravanak@...gle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Marc Zyngier <maz@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Android Kernel Team <kernel-team@...roid.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] of: property: Add device link support for interrupts

Hi Saravana,

On Fri, Dec 18, 2020 at 10:11 PM Saravana Kannan <saravanak@...gle.com> wrote:
> Add support for creating device links out of interrupts property.
>
> Cc: Marc Zyngier <maz@...nel.org>
> Cc: Kevin Hilman <khilman@...libre.com>
> Signed-off-by: Saravana Kannan <saravanak@...gle.com>

Thanks for your patch!

This does not seem to add all links.  I see links being created to the
secondary interrupt controller (e61c0000 "renesas,irqc"), but not to
the primary interrupt controller (GIC)

Which is good, as the GIC driver is not a platform_driver, and thus
creating links would break everything ;-)

BTW, I'd _love_ the GIC driver to be a platform_driver, as the GIC is
part of a power/and or clock domain on Renesas SoCs...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds