ARM: introduce a standalone CONFIG_BIG_LITTLE option

The BIG_LITTLE config option is independent from the MCPM one.
Semantically, they cover different things.  MCPM can be used on non
b.L systems for example.

Signed-of-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Jon Medhurst <tixy@linaro.org>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 136f263ed47b79d010cf4ca06e7b1e2a07e4fd73..c24b364bb8cba7b06a2adc0711e40b51cfc8d044 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1521,6 +1521,13 @@ config MCPM
          for (multi-)cluster based systems, such as big.LITTLE based
          systems.
 
+config BIG_LITTLE
+       bool "big.LITTLE support (Experimental)"
+       depends on CPU_V7 && SMP
+       select MCPM
+       help
+         This option enables support for the big.LITTLE architecture.
+
 choice
        prompt "Memory split"
        default VMSPLIT_3G