1 files changed, 9 insertions, 0 deletions

diff --git a/arch/m68k/mac/via.c b/arch/m68k/mac/via.c
index 7d97ba54536e..11bce3cb6482 100644
--- a/arch/m68k/mac/via.c
+++ b/arch/m68k/mac/via.c
@@ -645,3 +645,12 @@ int via_irq_pending(int irq)
         }
         return 0;
 }
+
+void via1_set_head(int head)
+{
+        if (head == 0)
+                via1[vBufA] &= ~VIA1A_vHeadSel;
+        else
+                via1[vBufA] |= VIA1A_vHeadSel;
+}
+EXPORT_SYMBOL(via1_set_head);