From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Mon, 4 Jun 2012 12:51:32 +0000 (+0200)
Subject: ARM i.MX pllv2: make round_rate accurate
X-Git-Tag: v3.5-rc4~35^2~6^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ca41bccc39f5ebbbb515dfadb2e0f912168c8bd;p=pandora-kernel.git

ARM i.MX pllv2: make round_rate accurate

in round_rate we made the assumption that we can set arbitrary
frequencies and thus returned the input rate. This is not correct,
for certain frequencies after setting a frequency with set_rate,
recalc_rate will return different values. To fix this, introduce
set_rate/recalc_rate functions which work on variables instead
of registers directly. This way we can call these in round_rate
to get the exact rate which we would get if we call set_rate
with this value.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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