linux-kernel - Re: [PATCH v3 5/7] clocksource/cadence

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Message-ID: <alpine.DEB.2.02.1402042138480.24986@ionos.tec.linutronix.de>
Date:	Tue, 4 Feb 2014 21:41:53 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Soren Brinkmann <soren.brinkmann@...inx.com>
cc:	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Michal Simek <michal.simek@...inx.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 5/7] clocksource/cadence_ttc: Use only one counter

On Mon, 3 Feb 2014, Soren Brinkmann wrote:

> Currently the driver uses two of the three counters the TTC provides to
> implement a clocksource and a clockevent device. By using the TTC's
> match feature we can implement both use cases using a single counter
> only.

Are you entirely sure that this match feature is free of the infamous
HPET match feature issues?

See arch/x86/kernel/hpet.c: hpet_next_event()

If yes, please add a comment. If no ....

Thanks,

	tglx
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