From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 13 May 2009 11:28:15 +0000 (+0900)
Subject: sh: clkfwk: rate table construction and rounding for SH7785.
X-Git-Tag: v2.6.31-rc1~392^2~41^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc96eace48fdf0f8925a74c6c1f7ffa512e458d2;p=pandora-kernel.git

sh: clkfwk: rate table construction and rounding for SH7785.

This adds support for constructing a rate table by looking at potential
divisors for a specified clock. Each FQRMR clock is given its own table.
Presently each table is rebuilt when the parent propagates down a new
rate, so some more logic needs to be added to do this more intelligently.

Additionally, a fairly generic round_rate() implementation is then
layered on top of it, which subsequently provides us with cpufreq support.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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