From: Paul Mundt <lethal@linux-sh.org>
Date: Mon, 1 Nov 2010 19:30:31 +0000 (-0400)
Subject: sh: clkfwk: Fix up rate rounding error handling.
X-Git-Tag: v2.6.37-rc2~79^2^4~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5aefa34fada9d17a00635516688de34702451708;p=pandora-kernel.git

sh: clkfwk: Fix up rate rounding error handling.

According to the linux/clk.h definition we should be handing back an
errno value or a valid rate. This fixes up the case where 0 can be
returned for invalid frequencies or cases where rounding has no
selectable candidate.

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