patch: p4tcc and speedstep cpufreq drivers

[Rong-En Fan]

On Fri, Feb 18, 2005 at 11:26:26AM -0800, Nate Lawson wrote:
> Rong-En Fan wrote:
> >This is an TP X31.
> >
> >CPU: Intel(R) Pentium(R) M processor 1400MHz (1398.82-MHz 686-class CPU)
> >  Origin = "GenuineIntel"  Id = 0x695  Stepping = 5
> >  Features=0xa7e9f9bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,C
> >LFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,TM,PBE>
> >
> >freq_levels looks strange.. and changes...
> >(only cpufreq is loaded at boot)
> >
> >rafan at woodstock|UTF-8 [~] (15:57)$ sysctl dev.cpu
> >dev.cpu.0.%desc: ACPI CPU (3 Cx states)
> >dev.cpu.0.%driver: cpu
> >dev.cpu.0.%location: handle=\_PR_.CPU_
> >dev.cpu.0.%pnpinfo: _HID=none _UID=0
> >dev.cpu.0.%parent: acpi0
> >dev.cpu.0.freq: 1399
> >dev.cpu.0.freq_levels: -738340620/0 0/0 0/0
> 
> Which cpufreq drivers are detected in dmesg (ichss, est, p4tcc, 
> acpi_perf, acpi_throttle)?

cpu0: <ACPI CPU (3 Cx states)> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0 

but I think Pentium M is est only, no p4tcc.

Regards,
Rong-En Fan