intel-iommu: move iommu_prepare_gfx_mapping() out of dma_remapping.h

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index f23a02054bf7..c1c59a619650 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1686,6 +1686,11 @@ static void __init iommu_prepare_gfx_mapping(void)
                         printk(KERN_ERR "IOMMU: mapping reserved region failed\n");
         }
 }
+#else /* !CONFIG_DMAR_GFX_WA */
+static inline void iommu_prepare_gfx_mapping(void)
+{
+        return;
+}
 #endif
 
 #ifdef CONFIG_DMAR_FLOPPY_WA