swiotlb: use phys_to_dma and dma_to_phys

This converts swiotlb to use phys_to_dma and dma_to_phys instead of
swiotlb_phys_to_bus() and swiotlb_bus_to_phys().

swiotlb_phys_to_bus() and swiotlb_bus_to_phys() are not necessary so
this patch also removes them.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Becky Bruce <beckyb@kernel.crashing.org>

1 files changed, 0 insertions, 5 deletions

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index a977da24f17c..73b1f1cec423 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -23,11 +23,6 @@ struct scatterlist;
 extern void
 swiotlb_init(void);
 
-extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
-                                      phys_addr_t address);
-extern phys_addr_t swiotlb_bus_to_phys(struct device *hwdev,
-                                       dma_addr_t address);
-
 extern void
 *swiotlb_alloc_coherent(struct device *hwdev, size_t size,
                         dma_addr_t *dma_handle, gfp_t flags);