powerpc/85xx: add DOZE/NAP support for e500 core

The e500 core enter DOZE/NAP power-saving modes when the core go to
cpu_idle routine.

The power management default running mode is DOZE, If the user

echo 1 > /proc/sys/kernel/powersave-nap

the system will change to NAP running mode.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index aa421f5651c8..c5397c11ae91 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1491,7 +1491,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x80200000,
                 .cpu_name               = "e500",
-                /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
                 .cpu_features           = CPU_FTRS_E500,
                 .cpu_user_features      = COMMON_USER_BOOKE |
                         PPC_FEATURE_HAS_SPE_COMP |
@@ -1508,7 +1507,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x80210000,
                 .cpu_name               = "e500v2",
-                /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
                 .cpu_features           = CPU_FTRS_E500_2,
                 .cpu_user_features      = COMMON_USER_BOOKE |
                         PPC_FEATURE_HAS_SPE_COMP |
@@ -1526,7 +1524,6 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x80230000,
                 .cpu_name               = "e500mc",
-                /* xxx - galak: add CPU_FTR_MAYBE_CAN_DOZE */
                 .cpu_features           = CPU_FTRS_E500MC,
                 .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
                 .icache_bsize           = 64,