[CPUFREQ] Document units for transition latency

They're documented in the header but not in Documentation.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dave Jones <davej@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/Documentation/cpu-freq/cpu-drivers.txt b/Documentation/cpu-freq/cpu-drivers.txt
index 75a58d14d3cf..6c30e930c122 100644
--- a/Documentation/cpu-freq/cpu-drivers.txt
+++ b/Documentation/cpu-freq/cpu-drivers.txt
@@ -92,9 +92,9 @@ policy->cpuinfo.max_freq -	the minimum and maximum frequency
                                 (in kHz) which is supported by 
                                 this CPU
 policy->cpuinfo.transition_latency   the time it takes on this CPU to
-                                switch between two frequencies (if
-                                appropriate, else specify
-                                CPUFREQ_ETERNAL)
+                                switch between two frequencies in
+                                nanoseconds (if appropriate, else
+                                specify CPUFREQ_ETERNAL)
 
 policy->cur                     The current operating frequency of
                                 this CPU (if appropriate)