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authorViresh Kumar <viresh.kumar@linaro.org>2016-06-03 08:28:51 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-06-09 01:58:06 +0300
commitd218ed773915a2b762d132be6bb765637338c360 (patch)
tree12e1e64d24fc80cbadff5285a439d441ed186c2f /Documentation/cpu-freq
parent2372784542cb7a8b256a740840abf4503de0d669 (diff)
downloadlinux-d218ed773915a2b762d132be6bb765637338c360.tar.xz
cpufreq: Return index from cpufreq_frequency_table_target()
This routine can't fail unless the frequency table is invalid and doesn't contain any valid entries. Make it return the index and WARN() in case it is used for an invalid table. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation/cpu-freq')
-rw-r--r--Documentation/cpu-freq/cpu-drivers.txt7
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/cpu-freq/cpu-drivers.txt b/Documentation/cpu-freq/cpu-drivers.txt
index 74e812f0719c..772b94fde264 100644
--- a/Documentation/cpu-freq/cpu-drivers.txt
+++ b/Documentation/cpu-freq/cpu-drivers.txt
@@ -245,12 +245,11 @@ policy->max, and all other criteria are met. This is helpful for the
int cpufreq_frequency_table_target(struct cpufreq_policy *policy,
unsigned int target_freq,
- unsigned int relation,
- unsigned int *index);
+ unsigned int relation);
is the corresponding frequency table helper for the ->target
-stage. Just pass the values to this function, and the unsigned int
-index returns the number of the frequency table entry which contains
+stage. Just pass the values to this function, and this function
+returns the number of the frequency table entry which contains
the frequency the CPU shall be set to.
The following macros can be used as iterators over cpufreq_frequency_table: