Re: [PATCH] input: CPU frequency booster

Hi!

> I can't see why pm_qos is needed at all, better use cpufreq
> providing interface.
> PPC (BIOS request to cut max_frequency) in
> drivers/acpi/processor_perflib.c is a nice example
> 
> I'd also put this into drivers/cpufreq/cpufreq_input_boost.c.
> 
> Find below a re-written version of the booster.
> Instead of pm_qos, it simply uses cpufreq interface:
> /sys/devices/system/cpu/cpufreq/input_boost_freq
> /sys/devices/system/cpu/cpufreq/input_boost_time
> 
> I started with global cpufreq variables, they could also
> be declared per cpu like scaling_min_freq or others
> (at least input_boost_freq, input_boost_time should probably
> stay global). That would be:
> /sys/devices/system/cpu/cpuX/cpufreq/input_boost_freq

Going through old mails. This did not seem to go anywhere? Is it still
required? I don't see it in kernel. For some reason, it looks like it
has potential to help Nokia N900 a lot...
								Pavel
								
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