sparc64: Hibernation support

This patch adds CONFIG_HIBERNATION support for sparc64
architecture. The suspend function is the same as on another
platforms. The restore function uses Bypass feature of MMU
which allows to make the process more comfortable and plesant.

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
CC: David Miller <davem@davemloft.net>
CC: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index c3c3ad25612b..33e48cbf25ab 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -100,6 +100,9 @@ config HAVE_LATENCYTOP_SUPPORT
         bool
         default y if SPARC64
 
+config ARCH_HIBERNATION_POSSIBLE
+        def_bool y if SPARC64
+
 config AUDIT_ARCH
         bool
         default y
@@ -327,6 +330,10 @@ config ARCH_SPARSEMEM_DEFAULT
 
 source "mm/Kconfig"
 
+if SPARC64
+source "kernel/power/Kconfig"
+endif
+
 config SCHED_SMT
         bool "SMT (Hyperthreading) scheduler support"
         depends on SPARC64 && SMP