Xiaoguang Chen
3baa976ae6
cpufreq: conservative: fix requested_freq reduction issue ...
When decreasing frequency, requested_freq may be less than
freq_target, So requested_freq minus freq_target may be negative,
But reqested_freq's unit is unsigned int, then the negative result
will be one larger interger which may be even higher than
requested_freq.
This patch is to fix such issue. when result becomes negative,
set requested_freq as the min value of policy.
Signed-off-by: Xiaoguang Chen <chenxg@marvell.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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3baa976ae6