From: Paul Mundt <lethal@linux-sh.org>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH] clocksource: improve sh_cmt clocksource overflow handling
Date: Tue, 28 Apr 2009 09:14:28 +0000 [thread overview]
Message-ID: <20090428091427.GA23203@linux-sh.org> (raw)
In-Reply-To: <20090428081754.16592.85760.sendpatchset@rx1.opensource.se>
On Tue, Apr 28, 2009 at 05:17:54PM +0900, Magnus Damm wrote:
> This patch improves the sh_cmt clocksource handling.
>
> Currently the counter value is ignored in the case of
> overflow. With this patch the overflow flag is read
> before and after reading the counter, removing any
> counter value and overflow flag mismatch issues.
On Tue, Apr 28, 2009 at 05:19:50PM +0900, Magnus Damm wrote:
> This patch moves the SuperH timer setup code from time_init()
> to late_time_init(). Good things about this change:
> - interrupts: they are enabled at late_time_init()
> - mm: regular kmalloc() can be used at late_time_init()
>
> Together with moving to late_time_init() this patch changes
> the sh_cmt driver to always allocate with kmalloc(). This
> simplifies the code a bit and also fixes section mismatches.
Applied to the sh-2.6.31 queue.
prev parent reply other threads:[~2009-04-28 9:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 8:17 [PATCH] clocksource: improve sh_cmt clocksource overflow handling Magnus Damm
2009-04-28 9:14 ` Paul Mundt [this message]
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