x86: remove ifdef CONFIG_SWIOTLB in pci-dma.c
As other IOMMUs do, this puts dummy pci_swiotlb_init() in swiotlb.h
and remove ifdef CONFIG_SWIOTLB in pci-dma.c.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Muli Ben-Yehuda <muli@il.ibm.com>
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 f16cbbe..d12945d 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -122,9 +122,7 @@
amd_iommu_detect();
-#ifdef CONFIG_SWIOTLB
pci_swiotlb_init();
-#endif
}
#endif
diff --git a/include/asm-x86/swiotlb.h b/include/asm-x86/swiotlb.h
index f5d9e74..c706a74 100644
--- a/include/asm-x86/swiotlb.h
+++ b/include/asm-x86/swiotlb.h
@@ -45,12 +45,14 @@
#ifdef CONFIG_SWIOTLB
extern int swiotlb;
+extern void pci_swiotlb_init(void);
#else
#define swiotlb 0
+static inline void pci_swiotlb_init(void)
+{
+}
#endif
-extern void pci_swiotlb_init(void);
-
static inline void dma_mark_clean(void *addr, size_t size) {}
#endif /* _ASM_SWIOTLB_H */