target/linux/pxa/patches-2.6.21/016-cpufreq-ondemand-by-default.patch

   1 --- a/drivers/cpufreq/Kconfig
   2 +++ b/drivers/cpufreq/Kconfig
   3 @@ -52,7 +52,7 @@ config CPU_FREQ_STAT_DETAILS
   4
   5  choice
   6         prompt "Default CPUFreq governor"
   7 -       default CPU_FREQ_DEFAULT_GOV_USERSPACE if CPU_FREQ_SA1100 || CPU_FREQ_SA1110
   8 +       default CPU_FREQ_DEFAULT_GOV_USERSPACE if CPU_FREQ_SA1100 || CPU_FREQ_SA1110 || CPU_FREQ_PXA
   9         default CPU_FREQ_DEFAULT_GOV_PERFORMANCE
  10         help
  11           This option sets which CPUFreq governor shall be loaded at
  12 @@ -75,6 +75,14 @@ config CPU_FREQ_DEFAULT_GOV_USERSPACE
  13           program shall be able to set the CPU dynamically without having
  14           to enable the userspace governor manually.
  15
  16 +config CPU_FREQ_DEFAULT_GOV_ONDEMAND
  17 +       bool "ondemand"
  18 +       select CPU_FREQ_GOV_ONDEMAND
  19 +       help
  20 +         Use the CPUFreq governor 'ondemand' as default.  This sets
  21 +         the frequency dynamically based on CPU load, throttling up
  22 +         and down as necessary.
  23 +
  24  endchoice
  25
  26  config CPU_FREQ_GOV_PERFORMANCE
  27 --- a/include/linux/cpufreq.h
  28 +++ b/include/linux/cpufreq.h
  29 @@ -286,6 +286,9 @@ extern struct cpufreq_governor cpufreq_g
  30  #elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE)
  31  extern struct cpufreq_governor cpufreq_gov_userspace;
  32  #define CPUFREQ_DEFAULT_GOVERNOR       &cpufreq_gov_userspace
  33 +#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND)
  34 +extern struct cpufreq_governor cpufreq_gov_dbs;
  35 +#define CPUFREQ_DEFAULT_GOVERNOR       &cpufreq_gov_dbs;
  36  #endif
  37
  38