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-rw-r--r--arch/x86/xen/enlighten.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 1ed61c2bf633..eca90e5be1e7 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -42,6 +42,7 @@
#include <xen/page.h>
#include <xen/hvm.h>
#include <xen/hvc-console.h>
+#include <xen/acpi.h>
#include <asm/paravirt.h>
#include <asm/apic.h>
@@ -1373,6 +1374,8 @@ asmlinkage void __init xen_start_kernel(void)
/* Make sure ACS will be enabled */
pci_request_acs();
+
+ xen_acpi_sleep_register();
}