powerpc/powernv/cpuidle: Back-end cpuidle driver for powernv platform.

Following patch ports the cpuidle framework for powernv
platform and also implements a cpuidle back-end powernv
idle driver calling on to power7_nap and snooze idle states.

Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/cpuidle/Kconfig.powerpc b/drivers/cpuidle/Kconfig.powerpc
index 8147de522a96..66c3a09574e9 100644
--- a/drivers/cpuidle/Kconfig.powerpc
+++ b/drivers/cpuidle/Kconfig.powerpc
@@ -9,3 +9,12 @@ config PSERIES_CPUIDLE
         help
           Select this option to enable processor idle state management
           through cpuidle subsystem.
+
+config POWERNV_CPUIDLE
+        bool "Cpuidle driver for powernv platforms"
+        depends on CPU_IDLE
+        depends on PPC_POWERNV
+        default y
+        help
+          Select this option to enable processor idle state management
+          through cpuidle subsystem.