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-rw-r--r--arch/x86/pci/broadcom_bus.c11
1 files changed, 7 insertions, 4 deletions
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++;
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