From: Andrew Victor <andrew@sanpeople.com>
Date: Mon, 19 Jun 2006 14:23:41 +0000 (+0100)
Subject: [ARM] 3579/1: AT91RM9200 Timer simplification
X-Git-Tag: v2.6.18-rc1~1098^2~5^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=963151f2471d0e6475d8b2d3a005417aec1766f7;p=pandora-kernel.git

[ARM] 3579/1: AT91RM9200 Timer simplification

Patch from Andrew Victor

Use a global variable 'last_crtr' to store the time of the last timer
tick instead of the ST_RTAR register.
It's faster, frees up the ST_RTAR register for other uses, and hopefully
makes the code more understandable.  [Patch from Peter Menzebach]

Also add the SA_TIMER flag to Timer IRQ.  (It seems to be required for
the realtime preempt patch).

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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