diff options
author | Christoph Hellwig <hch@lst.de> | 2018-12-03 05:42:52 -0500 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2018-12-13 15:06:13 -0500 |
commit | b907e20508d02462a50c2841da0a5e3883fdab39 (patch) | |
tree | caad79fcf693311a323db7608057c79b61c7405f /include/linux/swiotlb.h | |
parent | e5361ca29f2fea345c08d2b5cb5e3b1840cbafb8 (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.h | 3 |
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 | |||
52 | extern phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, | 49 | extern 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, |