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| author |   Xiaoguang Chen <chenxg@marvell.com> | 2013-11-07 10:28:50 +0800 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2013-11-07 19:36:19 +0100 |
| commit | 3baa976ae644f76f5cdb5be0fb26754c3bfb32cb (patch) | |
| tree | 5c571eb6bfb164a128c18050f310189275061159 /drivers/base | |
| parent | intel_pstate: skip the driver if ACPI has power mgmt option (diff) | |
| download | linux-dev-3baa976ae644f76f5cdb5be0fb26754c3bfb32cb.tar.xz linux-dev-3baa976ae644f76f5cdb5be0fb26754c3bfb32cb.zip | |
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>
Diffstat (limited to 'drivers/base')
0 files changed, 0 insertions, 0 deletions