diff --git a/arch/x86/pci/broadcom_bus.c b/arch/x86/pci/broadcom_bus.c
index 0846a5bbbfbd..ab8269b0da29 100644
--- a/arch/x86/pci/broadcom_bus.c
+++ b/arch/x86/pci/broadcom_bus.c
@@ -9,6 +9,7 @@
  * option) any later version.
  */
 
+#include <linux/acpi.h>
 #include <linux/delay.h>
 #include <linux/dmi.h>
 #include <linux/pci.h>
@@ -25,12 +26,14 @@ static void __devinit cnb20le_res(struct pci_dev *dev)
 	u8 fbus, lbus;
 	int i;
 
+#ifdef CONFIG_ACPI
 	/*
-	 * The x86_pci_root_bus_res_quirks() function already refuses to use
-	 * this information if ACPI _CRS was used. Therefore, we don't bother
-	 * checking if ACPI is enabled, and just generate the information
-	 * for both the ACPI _CRS and no ACPI cases.
+	 * We should get host bridge information from ACPI unless the BIOS
+	 * doesn't support it.
 	 */
+	if (acpi_os_get_root_pointer())
+		return;
+#endif
 
 	info = &pci_root_info[pci_root_num];
 	pci_root_num++;