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From: Peter Maydell <peter.maydell@linaro.org>
To: "Andreas Färber" <afaerber@suse.de>
Cc: Peter Crosthwaite <peter.crosthwaite@xilinx.com>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Markus Armbruster <armbru@redhat.com>
Subject: Re: [Qemu-devel] [PATCH arm-devs v4 3/4] hw/timer: Introduce ARM A9 Global Timer.
Date: Mon, 2 Dec 2013 12:36:08 +0000	[thread overview]
Message-ID: <CAFEAcA8bphpKt2OxC=rApUf1L4wEzzPy7ON8UJV_gQjTbBaDoA@mail.gmail.com> (raw)
In-Reply-To: <529C7D03.4080109@suse.de>

On 2 December 2013 12:28, Andreas Färber <afaerber@suse.de> wrote:
> Am 02.12.2013 08:36, schrieb Peter Crosthwaite:
>> The ARM A9 MPCore has a timer that is global to all CPUs in the mpcore.
>> The timer is shared but each CPU has a private independent comparator
>> and interrupt.
>> +    dc->no_user = 1;
>
> There is a series from Markus waiting on my review that renames and
> investigates all uses of this field. Please explain why you are using it
> (in form of a comment) or drop it. There's only a numeric property
> above, so likely the latter.

It's a sysbus device so it's never going to be usable via device-add.
I think Markus' patchset puts that check in the sysbus base class
though, which would make dropping the no_user here correct.

thanks
-- PMM

  reply	other threads:[~2013-12-02 12:36 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-02  7:34 [Qemu-devel] [PATCH arm-devs v4 0/4] A9 global timer + mpcore trivials Peter Crosthwaite
2013-12-02  7:35 ` [Qemu-devel] [PATCH arm-devs v4 1/4] cpu/a9mpcore: rename timerbusdev variable Peter Crosthwaite
2013-12-02  7:36 ` [Qemu-devel] [PATCH arm-devs v4 2/4] cpu/a9mpcore: reorder operations/declarations Peter Crosthwaite
2013-12-02  7:36 ` [Qemu-devel] [PATCH arm-devs v4 3/4] hw/timer: Introduce ARM A9 Global Timer Peter Crosthwaite
2013-12-02 12:28   ` Andreas Färber
2013-12-02 12:36     ` Peter Maydell [this message]
2013-12-02 12:59       ` Markus Armbruster
2013-12-02 13:05     ` Peter Maydell
2013-12-02  7:37 ` [Qemu-devel] [PATCH arm-devs v4 4/4] cpu/a9mpcore: Add " Peter Crosthwaite
2013-12-02 13:08   ` Andreas Färber
2013-12-02 13:21     ` Paolo Bonzini
2013-12-02 13:56       ` Andreas Färber
2013-12-02 11:58 ` [Qemu-devel] [PATCH arm-devs v4 0/4] A9 global timer + mpcore trivials Peter Maydell

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