linux-kernel - Re: [PATCH] ARM: smp_twd: Remove legacy TWD registration

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Message-ID: <CACRpkdY9ZPj0h5ZHnZsdMBe4o4aQ7dRanU=m6Q+r=5tP-oqYgg@mail.gmail.com>
Date:   Mon, 19 Nov 2018 14:56:26 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Russell King <linux@...linux.org.uk>,
        Marc Zyngier <marc.zyngier@....com>,
        Arnd Bergmann <arnd@...db.de>,
        viresh kumar <viresh.kumar@...aro.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: smp_twd: Remove legacy TWD registration

On Thu, Nov 15, 2018 at 12:24 PM Geert Uytterhoeven
<geert+renesas@...der.be> wrote:

> As of commit 7484c727b636a838 ("ARM: realview: delete the RealView board
> files"), the ARM Timer and Watchdog Unit is instantiated from DT only.
> Moreover, the driver is selected from ARCH_MULTIPLATFORM platforms only,
> which implies OF, TIMER_OF, and COMMON_CLK.
>
> Hence remove all unused legacy infrastructure from the driver.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>

Good riddance.
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

>  arch/arm/kernel/smp_twd.c      | 66 ----------------------------------

Does this driver have some intimate relationship to the arch
or can we move it to drivers/clocksource?

Yours,
Linus Walleij