友善210板子的2.6.35.7内核源码中,关于友善板子配置的那一段(arch/arm/mach-s5pv210/Kconfig),是这样的:
复制代码- config MACH_MINI210
- bool "MINI210"
- select CPU_S5PV210
- select ARCH_DISCONTIGMEM_ENABLE
- select S3C_DEV_WDT
- select HAVE_S3C2410_WATCHDOG
- select S3C_DEV_I2C1
- select S3C_DEV_I2C2
- select HAVE_PWM
- select S3C_DEV_HSMMC
- select S3C_DEV_HSMMC1 if !S5PV210_SD_CH0_8BIT
- select S3C_DEV_HSMMC2
- select S3C_DEV_HSMMC3 if !S5PV210_SD_CH2_8BIT
- select S5PV210_SETUP_SDHCI
- select S5PV210_POWER_DOMAIN
- select WIRELESS_EXT
- select WEXT_SPY
- select WEXT_PRIV
- select AVERAGE
- select ARCH_HAS_CPUFREQ
- help
- Machine support for FriendlyARM
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如果我在其中加入一段“select ARCH_HAS_CPUFREQ”,给内核增加CPU主频调速器功能,实现CPU超/降频,可行吗?