From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Tue, 2 Nov 2010 11:27:24 +0000 (+0000)
Subject: sh: add clk_round_parent() to optimize parent clock rate
X-Git-Tag: v2.6.37-rc2~79^2^4~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6af26c6c99f01e810f9944543df810e320284aa3;p=pandora-kernel.git

sh: add clk_round_parent() to optimize parent clock rate

Sometimes it is possible and reasonable to adjust the parent clock rate to
improve precision of the child clock, e.g., if the child clock has no siblings.
clk_round_parent() is a new addition to the SH clock-framework API, that
implements such an optimization for child clocks with divisors, taking all
integer values in a range.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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