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# CPU Frequency scaling
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menu "CPU Frequency scaling"
config CPU_FREQ
bool "CPU Frequency scaling"
help
Clock scaling allows you to change the clock speed of CPUs on the
fly. This is a nice method to save battery power on notebooks,
because the lower the clock speed, the less power the CPU consumes.
For more information, take a look at
or at
If in doubt, say N.
source "drivers/cpufreq/Kconfig"
config CPU_FREQ_TABLE
tristate "CPU frequency table helpers"
depends on CPU_FREQ
default y
help
Many CPUFreq drivers use these helpers, so only say N here if
the CPUFreq driver of your choice doesn't need these helpers.
If in doubt, say Y.
comment "CPUFreq processor drivers"
depends on CPU_FREQ
config X86_POWERNOW_K8
tristate "AMD Opteron/Athlon64 PowerNow!"
depends on CPU_FREQ_TABLE
help
This adds the CPUFreq driver for mobile AMD Opteron/Athlon64 processors.
For details, take a look at .
If in doubt, say N.
endmenu