diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 3112024..5db6b66 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -543,7 +543,7 @@
 			goto out;
 		child->primary = buses & 0xFF;
 		child->subordinate = (buses >> 16) & 0xFF;
-		child->bridge_ctl = bctl ^ PCI_BRIDGE_CTL_NO_ISA;
+		child->bridge_ctl = bctl;
 
 		cmax = pci_scan_child_bus(child);
 		if (cmax > max)
@@ -596,7 +596,7 @@
 		pci_write_config_dword(dev, PCI_PRIMARY_BUS, buses);
 
 		if (!is_cardbus) {
-			child->bridge_ctl = bctl ^ PCI_BRIDGE_CTL_NO_ISA;
+			child->bridge_ctl = bctl;
 			/*
 			 * Adjust subordinate busnr in parent buses.
 			 * We do this before scanning for children because