[S390] s390: hibernation support for s390
This patch introduces the hibernation backend support to the
s390 architecture. Now it is possible to suspend a mainframe Linux
guest using the following command:
echo disk > /sys/power/state
Signed-off-by: Hans-Joachim Picht <hans@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/suspend.h b/arch/s390/include/asm/suspend.h
new file mode 100644
index 0000000..dc75c61
--- /dev/null
+++ b/arch/s390/include/asm/suspend.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_S390_SUSPEND_H
+#define __ASM_S390_SUSPEND_H
+
+static inline int arch_prepare_suspend(void)
+{
+ return 0;
+}
+
+#endif
+