powerpc/iseries: Mark signal_vsp_instruction() as maybe unused

signal_vsp_instruction() is currently only used if CONFIG_PROC_FS
is enabled. However logically it has nothing to do with PROC_FS,
so rather than making it depend on that mark it as maybe unused.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c
index 3689c2413d2..fef4d515051 100644
--- a/arch/powerpc/platforms/iseries/mf.c
+++ b/arch/powerpc/platforms/iseries/mf.c
@@ -267,7 +267,8 @@ static struct pending_event *new_pending_event(void)
         return ev;
 }
 
-static int signal_vsp_instruction(struct vsp_cmd_data *vsp_cmd)
+static int __maybe_unused
+signal_vsp_instruction(struct vsp_cmd_data *vsp_cmd)
 {
         struct pending_event *ev = new_pending_event();
         int rc;