Date: Tue, 01 Feb 2005 11:01:49 -0800 From: Nate Lawson <nate@root.org> To: Eric Anderson <anderson@centtech.com> Cc: current@freebsd.org Subject: Re: New cpufreq framework and drivers Message-ID: <41FFD21D.1080906@root.org> In-Reply-To: <41FFCBF3.7070505@centtech.com> References: <41FFB53B.3020907@root.org> <41FFB77B.10305@root.org> <41FFCBF3.7070505@centtech.com>
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Eric Anderson wrote: > Nate Lawson wrote: > >> Nate Lawson wrote: >> >>> Below is the first patch of cpufreq for wider testing. It has the >>> framework, cpu pseudodriver updates, and two hardware drivers -- ACPI >>> performance states and SpeedStep-ICH. It has had a lot of testing on >>> supported hardware but needs wider testing before importing. Other >>> hardware drivers can be quickly ported to this interface, and I'm >>> happy to assist their maintainers. >>> >>> http://www.root.org/~nate/freebsd/cpufreq.diff >> >> >> >> Sorry, I'm so familiar with the interface that I forgot to mention how >> to use it. To test, build a new kernel and modules. Load one or both >> of acpi_perf.ko and cpufreq.ko at boot time. Type "sysctl dev.cpu" to >> see the new freq and freq_levels output. If you're a driver >> maintainer, see sys/cpu.h and speedstep_ich.c or acpi_perf.c for an >> example how to provide the driver interface. >> > > Will this only work on -current, or also 5.3-stable? It should work on -stable, modulo any diff fuzz. -- Nate
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