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-rw-r--r--arch/x86/kernel/pci-dma.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index afcc58b69c7c..75e14e21f61a 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -124,8 +124,8 @@ void __init pci_iommu_alloc(void)
/* free the range so iommu could get some range less than 4G */
dma32_free_bootmem();
#endif
- if (pci_swiotlb_init())
- return;
+ if (pci_swiotlb_detect())
+ goto out;
gart_iommu_hole_init();
@@ -135,6 +135,8 @@ void __init pci_iommu_alloc(void)
/* needs to be called after gart_iommu_hole_init */
amd_iommu_detect();
+out:
+ pci_swiotlb_init();
}
void *dma_generic_alloc_coherent(struct device *dev, size_t size,