CPUFreq i386 drivers for 2.5.39:
arch/i386/config.in				Necessary config options
arch/i386/kernel/cpu/Makefile			allow for compilation of the CPUFreq subdirectory
arch/i386/kernel/cpu/cpufreq/Makefile		Makefile for CPUFreq drivers
arch/i386/kernel/cpu/cpufreq/elanfreq.c		CPUFreq driver for AMD Elan processors
arch/i386/kernel/cpu/cpufreq/longhaul.c		CPUFreq driver for VIA Longhaul processors
arch/i386/kernel/cpu/cpufreq/longrun.c		CPUFreq driver for Transmeta Crusoe processors
arch/i386/kernel/cpu/cpufreq/p4-clockmod.c	CPUFreq driver for Pentium 4 Xeon processors (using clock modulation)
arch/i386/kernel/cpu/cpufreq/powernow-k6.c	CPUFreq driver for mobile AMD K6-2+ and mobile AMD K6-3+ processors
arch/i386/kernel/cpu/cpufreq/speedstep.c	CPUFreq drivers for ICH2-M and ICH3-M chipsets and Intel Pentium 3-M and 4-M processors.