cpufreq: Add more verbose description of interactive governor

Update the Kconfig help paragraph to give more detail about
interactive governor.

Change-Id: I607b817b370accac3a685001649a15e2f7894f59
Signed-off-by: Allen Martin <amartin@nvidia.com>

diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 20facb80554a04ca348c0a7a5f2ae4fb197dde16..194708850edea435ddb11a8f2ffab412c57f4a6e 100644 (file)
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -172,6 +172,17 @@ config CPU_FREQ_GOV_INTERACTIVE
          'interactive' - This driver adds a dynamic cpufreq policy governor
          designed for latency-sensitive workloads.
 
+         This governor attempts to reduce the latency of clock
+         increases so that the system is more responsive to
+         interactive workloads.
+
+         To compile this driver as a module, choose M here: the
+         module will be called cpufreq_interactive.
+
+         For details, take a look at linux/Documentation/cpu-freq.
+
+         If in doubt, say N.
+
 config CPU_FREQ_GOV_CONSERVATIVE
        tristate "'conservative' cpufreq governor"
        depends on CPU_FREQ