linux-kernel - Re: [PATCH] clocksource: sh_tmu: Set cpu_possible

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Message-ID: <CAMuHMdVDHX4PAvNKaxBDm4n2gjHgi4qv9Ui_FgiCgLPdKAXxcw@mail.gmail.com>
Date:	Wed, 17 Dec 2014 09:25:19 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	SH-Linux <linux-sh@...r.kernel.org>,
	"Simon Horman [Horms]" <horms@...ge.net.au>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] clocksource: sh_tmu: Set cpu_possible_mask to fix SMP broadcast

Hi Magnus,

On Wed, Dec 17, 2014 at 2:30 AM, Magnus Damm <magnus.damm@...il.com> wrote:
>> Armadillo-legacy is broken, and probably won't come back (cfr.
>> https://lkml.org/lkml/2014/12/2/339).
>>
>> Kzm9g-reference still hangs at "Calibrating local timer..." (it did work
>> at some point in the past).
>
> When the time allows I'd like us to try to fix up these somehow. At
> least I'll give it a go - I guess Armadillo is difficult without any
> board.

To fix Armadillo, we have to instantiate the GIC from C code, which is
a step backwards.

>> Note that my local tree is based on renesas-drivers-2014-12-08-v3.18,
>> renesas-devel-20141212-v3.18, and yesterday's upstream, with CCF,
>> PM domain, TWD, and lots of WIP patches from the kitchen sink applied.
>
> The TWD portion above - is it driver code or integration stuff? If the
> latter - is there any reason why these can't be picked up by Simon and
> merged right away.

Integration stuff. Basically it's
http://www.spinics.net/lists/arm-kernel/msg383413.html

In the mean time, I found the right clock, but I still have to repost that
(sorry, recovering from being ill --- merge windows don't help much ;-)

> My plan is to dig into sh73a0 (maybe including TWD) later today.

Okay, thanks!

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
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