diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index e2a8671545f2..8b63f772a6f2 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -798,7 +798,7 @@ static void hpc_release_ctlr(struct controller *ctrl)
 	struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
 	struct php_ctlr_state_s *p, *p_prev;
 	int i;
-	u32 slot_reg;
+	u32 slot_reg, serr_int;
 
 	DBG_ENTER_ROUTINE 
 
@@ -822,6 +822,15 @@ static void hpc_release_ctlr(struct controller *ctrl)
 
 	cleanup_slots(ctrl);
 
+	/*
+	 * Mask SERR and System Interrut generation
+	 */
+	serr_int = shpc_readl(ctrl, SERR_INTR_ENABLE);
+	serr_int |= (GLOBAL_INTR_MASK  | GLOBAL_SERR_MASK |
+		     COMMAND_INTR_MASK | ARBITER_SERR_MASK);
+	serr_int &= ~SERR_INTR_RSVDZ_MASK;
+	shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
+
 	if (shpchp_poll_mode) {
 	    del_timer(&php_ctlr->int_poll_timer);
 	} else {