Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 19 Sep 2013 09:38:32 +0530 | Subject | Re: [PATCH] cpufreq: return EEXIST instead of EBUSY for second registering | From | Viresh Kumar <> |
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On 19 September 2013 09:35, Yinghai Lu <yinghai@kernel.org> wrote: > System that cpu support intel_pstate, acpi_cpufreq fail to > load, and udev keep trying until trace get filled up and > kernel crash. > > The root cause is driver return ret from cpufreq_register_driver > and when some other driver take over before, it would return > EBUSY, then udev will keep trying... > > cpufreq_register_driver should return EEXIST instead. > then system could boot without appending intel_pstate=disable > and still use intel_pstate. > > Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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