x86: Set dma_ops to nommu_dma_ops by default
We set dma_ops to nommu_dma_ops at two different places for
x86_32 and x86_64. This unifies them by setting dma_ops to
nommu_dma_ops by default.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
LKML-Reference: <1258199198-16657-2-git-send-email-fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 0b11bf1..f170b53 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -15,7 +15,7 @@
static int forbid_dac __read_mostly;
-struct dma_map_ops *dma_ops;
+struct dma_map_ops *dma_ops = &nommu_dma_ops;
EXPORT_SYMBOL(dma_ops);
static int iommu_sac_force __read_mostly;
@@ -128,8 +128,6 @@
#ifdef CONFIG_X86_64
/* free the range so iommu could get some range less than 4G */
dma32_free_bootmem();
-#else
- dma_ops = &nommu_dma_ops;
#endif
if (pci_swiotlb_init())
return;
diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c
index a6e5d0f..e36e71d 100644
--- a/arch/x86/kernel/pci-swiotlb.c
+++ b/arch/x86/kernel/pci-swiotlb.c
@@ -61,8 +61,7 @@
if (swiotlb) {
swiotlb_init(0);
dma_ops = &swiotlb_dma_ops;
- } else
- dma_ops = &nommu_dma_ops;
+ }
return swiotlb_force;
}