From: Paul Walmsley <pwalmsley@nvidia.com>
Date: Tue, 10 Dec 2013 02:09:22 +0000 (-0800)
Subject: thermal: ti-soc-thermal: clk_round_rate() can return a zero upon error
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~50^2^2^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c68789e5346f165441f41a6e09ebfd7caa0c8745;p=pandora-kernel.git

thermal: ti-soc-thermal: clk_round_rate() can return a zero upon error

Treat both negative and zero return values from clk_round_rate() as
errors.  This is needed since subsequent patches will convert
clk_round_rate()'s return value to be an unsigned type, rather than a
signed type, since some clock sources can generate rates higher than
(2^31)-1 Hz.

Eventually, when calling clk_round_rate(), only a return value of zero
will be considered a error.  All other values will be considered valid
rates.  The comparison against values less than 0 is kept to preserve
the correct behavior in the meantime.

This patch also gets rid of a comparison between unsigned and signed
values; a side-benefit.

Signed-off-by: Paul Walmsley <pwalmsley@nvidia.com>
Cc: Eduardo Valentin <eduardo.valentin@ti.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
---

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