linux-kernel - Re: [PATCH 14/23] clocksource: increase initcall priority

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Message-Id: <1170283629.9781.163.camel@imap.mvista.com>
Date:	Wed, 31 Jan 2007 14:47:09 -0800
From:	Daniel Walker <dwalker@...sta.com>
To:	David Brownell <david-b@...bell.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 14/23] clocksource: increase initcall priority

On Wed, 2007-01-31 at 11:43 -0800, David Brownell wrote:
> > As a note, arm and mips both register their clocksources during
> > time_init() instead of using initcalls.
> 
> That's actually platform-specific.  If there's only one possible
> clocksource, that'd be the normal answer.
> 
> Otherwise, there can be multiple clocksources just like any other
> architecture.  Maybe there's an always-present 32 KHz counter, and
> a bank of timers that can run at higher frequences ... but those
> may not be available for timekeeping on all boards, maybe because
> they're used for something else (motor control, etc) or because the
> system has prioritized battery life over timestamp precision.
> 
> So don't assume any platform doesn't use clocksource initcalls.

What does your OMAP clocksource do now ? I thought one of the changes
that you made was to have both 32k and mpu both registered ..

Daniel

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