arm64: remove the unnecessary arm64_swiotlb_init()

The commit f47c1a784d062a4ce833a6b6a5e24a8ff4ab0bf0
(arm64: Use swiotlb late initialisation)
switches the DMA mapping code to swiotlb_tlb_late_init_with_default_size(),
the arm64_swiotlb_init() will not used anymore, so remove this function.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/arch/arm64/mm/mm.h b/arch/arm64/mm/mm.h
index d519f4f50c8c6f5431281ee5e15346e860e9f741..50c3351df9c7ea8b1cd6dc6901bdbad6c04b9c4a 100644 (file)
--- a/arch/arm64/mm/mm.h
+++ b/arch/arm64/mm/mm.h
@@ -1,2 +1 @@
 extern void __init bootmem_init(void);
-extern void __init arm64_swiotlb_init(void);