cpufreq:LAB:Kconfig: Do not allow LAB to be build as a module

Since LAB depends on ONDEMAND, one needs to prevent situation when both
governors are compiled as modules.

Change-Id: I5e4f65a856d548397ef53338a8949879bd34051c
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>

diff --git a/drivers/cpufreq/Kconfig b/drivers/cpufreq/Kconfig
index 4e11aac..08fbc96 100644 (file)
--- a/drivers/cpufreq/Kconfig
+++ b/drivers/cpufreq/Kconfig
@@ -211,19 +211,19 @@ config CPU_FREQ_GOV_CONSERVATIVE
          If in doubt, say N.
 
 config CPU_FREQ_GOV_LAB
-       tristate "'lab' cpufreq policy governor"
+       bool "'lab' cpufreq policy governor - ONDEMAND extension"
        select CPU_FREQ_TABLE
        select CPU_FREQ_GOV_COMMON
        select CPU_FREQ_GOV_ONDEMAND
        help
          'lab' - This driver adds a dynamic cpufreq policy governor.
 
-         To compile this driver as a module, choose M here: the
-         module will be called cpufreq_lab.
-
          LAB governor shall be regarded as an extension of the ONDEMAND on
          platforms with very weak HW support for power management.
 
+         LAB governor can be either compiled in or not. It is not possible to
+         compile it as module because of explicit ONDEMAND dependency.
+
          If in doubt, say N.
 
 config GENERIC_CPUFREQ_CPU0