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Date: Wed, 18 Apr 2007 16:18:13 -0400 From: Mike Frysinger <vapier@...too.org> To: akpm@...ux-foundation.org, davej@...emonkey.org.uk, ak@...e.de Cc: linux-kernel@...r.kernel.org Subject: [patch] cleanup cpufreq kconfig options Adds proper lines to help output of kconfig so people can find the module names. Also fixed some broken leading spaces versus tabs. Signed-off-by: Mike Frysinger <vapier@...too.org> --- diff --git a/arch/x86_64/kernel/cpufreq/Kconfig b/arch/x86_64/kernel/cpufreq/Kconfig index 40acb67..c0749d2 100644 --- a/arch/x86_64/kernel/cpufreq/Kconfig +++ b/arch/x86_64/kernel/cpufreq/Kconfig @@ -16,6 +16,9 @@ config X86_POWERNOW_K8 help This adds the CPUFreq driver for mobile AMD Opteron/Athlon64 processors. + To compile this driver as a module, choose M here: the + module will be called powernow-k8. + For details, take a look at <file:Documentation/cpu-freq/>. If in doubt, say N. @@ -38,6 +41,9 @@ config X86_SPEEDSTEP_CENTRINO mobile CPUs. This means Intel Pentium M (Centrino) CPUs or 64bit enabled Intel Xeons. + To compile this driver as a module, choose M here: the + module will be called speedstep-centrino. + For details, take a look at <file:Documentation/cpu-freq/>. If in doubt, say N. @@ -55,6 +61,9 @@ config X86_ACPI_CPUFREQ Processor Performance States. This driver also supports Intel Enhanced Speedstep. + To compile this driver as a module, choose M here: the + module will be called acpi-cpufreq. + For details, take a look at <file:Documentation/cpu-freq/>. If in doubt, say N. @@ -62,7 +71,7 @@ config X86_ACPI_CPUFREQ comment "shared options" config X86_ACPI_CPUFREQ_PROC_INTF - bool "/proc/acpi/processor/../performance interface (deprecated)" + bool "/proc/acpi/processor/../performance interface (deprecated)" depends on PROC_FS depends on X86_ACPI_CPUFREQ || X86_SPEEDSTEP_CENTRINO_ACPI || X86_POWERNOW_K8_ACPI help @@ -86,16 +95,18 @@ config X86_P4_CLOCKMOD slowdowns and noticeable latencies. Normally Speedstep should be used instead. + To compile this driver as a module, choose M here: the + module will be called p4-clockmod. + For details, take a look at <file:Documentation/cpu-freq/>. Unless you are absolutely sure say N. config X86_SPEEDSTEP_LIB - tristate - default X86_P4_CLOCKMOD + tristate + default X86_P4_CLOCKMOD endif endmenu - diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig index d155e81..993fa7b 100644 --- a/drivers/cpufreq/Kconfig +++ b/drivers/cpufreq/Kconfig @@ -9,6 +9,9 @@ config CPU_FREQ clock speed, you need to either enable a dynamic cpufreq governor (see below) after boot, or use a userspace tool. + To compile this driver as a module, choose M here: the + module will be called cpufreq. + For details, take a look at <file:Documentation/cpu-freq>. If in doubt, say N. @@ -16,7 +19,7 @@ config CPU_FREQ if CPU_FREQ config CPU_FREQ_TABLE - tristate + tristate config CPU_FREQ_DEBUG bool "Enable CPUfreq debugging" @@ -32,19 +35,26 @@ config CPU_FREQ_DEBUG 4 to activate CPUfreq governor debugging config CPU_FREQ_STAT - tristate "CPU frequency translation statistics" - select CPU_FREQ_TABLE - default y - help - This driver exports CPU frequency statistics information through sysfs - file system + tristate "CPU frequency translation statistics" + select CPU_FREQ_TABLE + default y + help + This driver exports CPU frequency statistics information through sysfs + file system. + + To compile this driver as a module, choose M here: the + module will be called cpufreq_stats. + + If in doubt, say N. config CPU_FREQ_STAT_DETAILS - bool "CPU frequency translation statistics details" - depends on CPU_FREQ_STAT - help - This will show detail CPU frequency translation table in sysfs file - system + bool "CPU frequency translation statistics details" + depends on CPU_FREQ_STAT + help + This will show detail CPU frequency translation table in sysfs file + system. + + If in doubt, say N. # Note that it is not currently possible to set the other governors (such as ondemand) # as the default, since if they fail to initialise, cpufreq will be @@ -78,29 +88,38 @@ config CPU_FREQ_DEFAULT_GOV_USERSPACE endchoice config CPU_FREQ_GOV_PERFORMANCE - tristate "'performance' governor" - help + tristate "'performance' governor" + help This cpufreq governor sets the frequency statically to the highest available CPU frequency. + To compile this driver as a module, choose M here: the + module will be called cpufreq_performance. + If in doubt, say Y. config CPU_FREQ_GOV_POWERSAVE - tristate "'powersave' governor" - help + tristate "'powersave' governor" + help This cpufreq governor sets the frequency statically to the lowest available CPU frequency. + To compile this driver as a module, choose M here: the + module will be called cpufreq_powersave. + If in doubt, say Y. config CPU_FREQ_GOV_USERSPACE - tristate "'userspace' governor for userspace frequency scaling" - help + tristate "'userspace' governor for userspace frequency scaling" + help Enable this cpufreq governor when you either want to set the CPU frequency manually or when an userspace program shall be able to set the CPU dynamically, like on LART <http://www.lartmaker.nl/>. + To compile this driver as a module, choose M here: the + module will be called cpufreq_userspace. + For details, take a look at <file:Documentation/cpu-freq/>. If in doubt, say Y. @@ -116,6 +135,9 @@ config CPU_FREQ_GOV_ONDEMAND do fast frequency switching (i.e, very low latency frequency transitions). + To compile this driver as a module, choose M here: the + module will be called cpufreq_ondemand. + For details, take a look at linux/Documentation/cpu-freq. If in doubt, say N. @@ -136,6 +158,9 @@ config CPU_FREQ_GOV_CONSERVATIVE step-by-step latency issues between the minimum and maximum frequency transitions in the CPU) you will probably want to use this governor. + To compile this driver as a module, choose M here: the + module will be called cpufreq_conservative. + For details, take a look at linux/Documentation/cpu-freq. If in doubt, say N. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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