1 files changed, 12 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index f51b66a1687a..fa185f227055 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1695,3 +1695,15 @@ hard_smp_processor_id:
         retl
          nop
 #endif
+
+        /* %o0: devhandle
+         * %o1: devino
+         *
+         * returns %o0: sysino
+         */
+        .globl  pci_sun4v_devino_to_sysino
+sun4v_devino_to_sysino:
+        mov     HV_FAST_INTR_DEVINO2SYSINO, %o5
+        ta      HV_FAST_TRAP
+        retl
+         mov    %o1, %o0