This patch adds basic options for MIPS CPUFreq support. Since MIPS Timer's frequency is relative to the processor's frequency, So, MIPS CPUFreq support not only need the processor's CPUFreq support but also need an external timer. otherwise, we will make the system time "mussy". Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx> --- arch/mips/Kconfig | 3 +++ arch/mips/kernel/cpufreq/Kconfig | 27 +++++++++++++++++++++++++++ 2 files changed, 30 insertions(+), 0 deletions(-) create mode 100644 arch/mips/kernel/cpufreq/Kconfig diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 0e4b510..bfe8c39 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2146,6 +2146,7 @@ config MMU config I8253 bool + select MIPS_EXTERNAL_TIMER config ZONE_DMA32 bool @@ -2222,6 +2223,8 @@ source "kernel/power/Kconfig" endmenu +source "arch/mips/kernel/cpufreq/Kconfig" + source "net/Kconfig" source "drivers/Kconfig" diff --git a/arch/mips/kernel/cpufreq/Kconfig b/arch/mips/kernel/cpufreq/Kconfig new file mode 100644 index 0000000..37983a1 --- /dev/null +++ b/arch/mips/kernel/cpufreq/Kconfig @@ -0,0 +1,27 @@ +# +# CPU Frequency scaling +# + +config MIPS_EXTERNAL_TIMER + bool + +config MIPS_CPUFREQ + bool + default y + depends on CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER + +if MIPS_CPUFREQ + +menu "CPU Frequency scaling" + +source "drivers/cpufreq/Kconfig" + +if CPU_FREQ + +comment "CPUFreq processor drivers" + +endif # CPU_FREQ + +endmenu + +endif # MIPS_CPUFREQ -- 1.6.2.1
