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| /openbmc/linux/drivers/cpufreq/ |
| H A D | cpufreq.c | diff 3b7180573c250eb6e2a7eec54ae91f27472332ea Tue Jun 22 14:11:39 CDT 2021 Rafael J. Wysocki <rafael.j.wysocki@intel.com> cpufreq: Make cpufreq_online() call driver->offline() on errors
In the CPU removal path the ->offline() callback provided by the
driver is always invoked before ->exit(), but in the cpufreq_online()
error path it is not, so ->exit() is expected to somehow know the
context in which it has been called and act accordingly.
That is less than straightforward, so make cpufreq_online() invoke
the driver's ->offline() callback, if present, on errors before
->exit() too.
This only potentially affects intel_pstate.
Fixes: 91a12e91dc39 ("cpufreq: Allow light-weight tear down and bring up of CPUs")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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