From: Sekhar Nori <nsekhar@ti.com>
Date: Mon, 31 Aug 2009 10:18:03 +0000 (+0530)
Subject: davinci: support changing the clock rate in clock framework
X-Git-Tag: v2.6.33-rc1~348^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6a61563f9e934ef20a1338780082f63802c8908;p=pandora-kernel.git

davinci: support changing the clock rate in clock framework

clk_round_rate, clk_set_rate have been updated to handle dynamic
frequency changes.

The motivation behind the changes is to support dynamic CPU frequency
change.

davinci_set_pllrate() changes the PLL rate of a given PLL. This function
has been presented as a generic function though it has been tested only
on OMAP-L138 EVM. No other currently available DaVinci device will probably
use this function, but any future device specific changes will hopefully be
small enough to get taken care using a cpu_is_xxx() macro.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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