x86/PCI: don't bother with root quirks if _CRS is used

It will be overwriten later if _CRS is used, so don't bother to set it.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c
index e121ee050f7c..f893d6a6e803 100644
--- a/arch/x86/pci/amd_bus.c
+++ b/arch/x86/pci/amd_bus.c
@@ -100,6 +100,10 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b)
         int j;
         struct pci_root_info *info;
 
+        /* don't go for it if _CRS is used */
+        if (pci_probe & PCI_USE__CRS)
+                return;
+
         /* if only one root bus, don't need to anything */
         if (pci_root_num < 2)
                 return;