linux-kernel - Re: [PATCH 01/10] clocksource: dw_apb_timer_of: use the clocksource as sched clock if necessary

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Message-ID: <CACRpkdYXhsTRVaqi-KKLsuJut1Eq2kzSbSYzaZT=5FpMHSsouA@mail.gmail.com>
Date:	Tue, 4 Jun 2013 11:43:59 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Heiko Stübner <heiko@...ech.de>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	John Stultz <john.stultz@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Mike Turquette <mturquette@...aro.org>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Chris Ball <cjb@...top.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <rob.herring@...xeda.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
Subject: Re: [PATCH 01/10] clocksource: dw_apb_timer_of: use the clocksource
 as sched clock if necessary

On Tue, Jun 4, 2013 at 10:29 AM, Heiko Stübner <heiko@...ech.de> wrote:

> How about:
>
> Currently the dw_apb_timer always expects a separate special timer to be
> availbable for the sched_clock. Some devices using dw_apb_timers do not
> have this sptimer but can use the clocksource as sched_clock instead.
>
> Therefore enable the driver to distiguish between devices with and without
> sptimer based on the devicetree data and select the correct timer as
> sched_clock.

Allright, Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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