linux-kernel - Re: [PATCH 2/3] clocksource: add DB8500 PRCMU Timer support

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Message-ID: <4DE64B0E.8030008@stericsson.com>
Date:	Wed, 1 Jun 2011 16:22:06 +0200
From:	Mattias Wallin <mattias.wallin@...ricsson.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Lee Jones <lee.jones@...aro.org>
Subject: Re: [PATCH 2/3] clocksource: add DB8500 PRCMU Timer support

On 06/01/2011 09:57 AM, Mattias Wallin wrote:
> I'll experiment with it during the day and see how it goes.
It did not work to have the clocksource init as a core_initcall.
I got an null pointer oops in sched_clock_poll.
The lauterbach trace showed that the sched_clock_update_fn was null 
since the poll function was called before the init.

I'll go back to having it called from the platform's struct system_time 
(like in patch 3/3) and place the include file in include/linux.

Thomas, are you ok with having it directly under include/linux or do you 
want me to create a include/linux/clocksource/ directory and place it there?
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