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authorChristoph Hellwig <hch@lst.de>2018-12-03 05:42:52 -0500
committerChristoph Hellwig <hch@lst.de>2018-12-13 15:06:13 -0500
commitb907e20508d02462a50c2841da0a5e3883fdab39 (patch)
treecaad79fcf693311a323db7608057c79b61c7405f /include/linux/swiotlb.h
parente5361ca29f2fea345c08d2b5cb5e3b1840cbafb8 (diff)
swiotlb: remove SWIOTLB_MAP_ERROR
We can use DMA_MAPPING_ERROR instead, which already maps to the same value. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> Tested-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/linux/swiotlb.h')
-rw-r--r--include/linux/swiotlb.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index a387b59640a4..14aec0b70dd9 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -46,9 +46,6 @@ enum dma_sync_target {
46 SYNC_FOR_DEVICE = 1, 46 SYNC_FOR_DEVICE = 1,
47}; 47};
48 48
49/* define the last possible byte of physical address space as a mapping error */
50#define SWIOTLB_MAP_ERROR (~(phys_addr_t)0x0)
51
52extern phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, 49extern phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
53 dma_addr_t tbl_dma_addr, 50 dma_addr_t tbl_dma_addr,
54 phys_addr_t phys, size_t size, 51 phys_addr_t phys, size_t size,