[PATCH 3.16 310/410] xen/arm: Define xen_arch_suspend()

[Ben Hutchings]

3.16.57-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

commit ffb7dbed47da6ac4460b606a3feee295bbe4d9e2 upstream.

Commit 2b953a5e994c ("xen: Suspend ticks on all CPUs during suspend")
introduced xen_arch_suspend() routine but did so only for x86, breaking
ARM builds.

We need to add it to ARM as well.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Reported-by: Michal Suchanek <hramrach@xxxxxxxxx>
Tested-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
 arch/arm/xen/enlighten.c | 1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -344,6 +344,7 @@ void xen_arch_pre_suspend(void) { }
 void xen_arch_post_suspend(int suspend_cancelled) { }
 void xen_timer_resume(void) { }
 void xen_arch_resume(void) { }
+void xen_arch_suspend(void) { }
 
 
 /* In the hypervisor.S file. */