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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-06-27 15:46:45 -0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-06-27 15:46:45 -0400
commit39a95f4861381a87167729be8f71c59ed4efc27d (patch)
tree5dc01d8d229d9f553a7d3502902b4acb2191a19f /Documentation
parent7ae9b27b2af4bb79a105bcdea08400fd00f6de87 (diff)
parent7f77a563f0c110a633b4ab0fec9f49d41630039a (diff)
Merge branch 'pm-cpufreq-assorted' into pm-cpufreq
* pm-cpufreq-assorted: (21 commits) cpufreq: powernow-k8: call CPUFREQ_POSTCHANGE notfier in error cases cpufreq: pcc: call CPUFREQ_POSTCHANGE notfier in error cases cpufreq: e_powersaver: call CPUFREQ_POSTCHANGE notfier in error cases cpufreq: ACPI: call CPUFREQ_POSTCHANGE notfier in error cases cpufreq: make __cpufreq_notify_transition() static cpufreq: Fix minor formatting issues cpufreq: Fix governor start/stop race condition cpufreq: Simplify userspace governor cpufreq: powerpc: move cpufreq driver to drivers/cpufreq cpufreq: kirkwood: Select CPU_FREQ_TABLE option cpufreq: big.LITTLE needs cpufreq table cpufreq: SPEAr needs cpufreq table cpufreq: powerpc: Add cpufreq driver for Freescale e500mc SoCs cpufreq: remove unnecessary cpufreq_cpu_{get|put}() calls cpufreq: MAINTAINERS: Add git tree path for ARM specific updates cpufreq: rename index as driver_data in cpufreq_frequency_table cpufreq: Don't create empty /sys/devices/system/cpu/cpufreq directory cpufreq: Move get_cpu_idle_time() to cpufreq.c cpufreq: governors: Move get_governor_parent_kobj() to cpufreq.c cpufreq: Add EXPORT_SYMBOL_GPL for have_governor_per_policy ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/cpu-freq/cpu-drivers.txt10
1 files changed, 2 insertions, 8 deletions
diff --git a/Documentation/cpu-freq/cpu-drivers.txt b/Documentation/cpu-freq/cpu-drivers.txt
index a3585eac83b6..19fa98e07bf7 100644
--- a/Documentation/cpu-freq/cpu-drivers.txt
+++ b/Documentation/cpu-freq/cpu-drivers.txt
@@ -186,7 +186,7 @@ As most cpufreq processors only allow for being set to a few specific
186frequencies, a "frequency table" with some functions might assist in 186frequencies, a "frequency table" with some functions might assist in
187some work of the processor driver. Such a "frequency table" consists 187some work of the processor driver. Such a "frequency table" consists
188of an array of struct cpufreq_frequency_table entries, with any value in 188of an array of struct cpufreq_frequency_table entries, with any value in
189"index" you want to use, and the corresponding frequency in 189"driver_data" you want to use, and the corresponding frequency in
190"frequency". At the end of the table, you need to add a 190"frequency". At the end of the table, you need to add a
191cpufreq_frequency_table entry with frequency set to CPUFREQ_TABLE_END. And 191cpufreq_frequency_table entry with frequency set to CPUFREQ_TABLE_END. And
192if you want to skip one entry in the table, set the frequency to 192if you want to skip one entry in the table, set the frequency to
@@ -214,10 +214,4 @@ int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
214is the corresponding frequency table helper for the ->target 214is the corresponding frequency table helper for the ->target
215stage. Just pass the values to this function, and the unsigned int 215stage. Just pass the values to this function, and the unsigned int
216index returns the number of the frequency table entry which contains 216index returns the number of the frequency table entry which contains
217the frequency the CPU shall be set to. PLEASE NOTE: This is not the 217the frequency the CPU shall be set to.
218"index" which is in this cpufreq_table_entry.index, but instead
219cpufreq_table[index]. So, the new frequency is
220cpufreq_table[index].frequency, and the value you stored into the
221frequency table "index" field is
222cpufreq_table[index].index.
223