pci-swiotlb-xen: call pci_request_acs only ifdef CONFIG_PCI

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c
index 969570491c39..0e98e5d241d0 100644
--- a/arch/x86/xen/pci-swiotlb-xen.c
+++ b/arch/x86/xen/pci-swiotlb-xen.c
@@ -75,8 +75,10 @@ void __init pci_xen_swiotlb_init(void)
                 xen_swiotlb_init(1, true /* early */);
                 dma_ops = &xen_swiotlb_dma_ops;
 
+#ifdef CONFIG_PCI
                 /* Make sure ACS will be enabled */
                 pci_request_acs();
+#endif
         }
 }
 
@@ -92,8 +94,10 @@ int pci_xen_swiotlb_init_late(void)
                 return rc;
 
         dma_ops = &xen_swiotlb_dma_ops;
+#ifdef CONFIG_PCI
         /* Make sure ACS will be enabled */
         pci_request_acs();
+#endif
 
         return 0;
 }