1 files changed, 5 insertions, 0 deletions

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 5a9d8c141e60..f88ff09c4711 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1279,6 +1279,11 @@ void __init mpic_init(struct mpic *mpic)
                            mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
                            | MPIC_GREG_GCONF_8259_PTHROU_DIS);
 
+        if (mpic->flags & MPIC_NO_BIAS)
+                mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0),
+                        mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
+                        | MPIC_GREG_GCONF_NO_BIAS);
+
         /* Set current processor priority to 0 */
         mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);