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authorChristoph Hellwig <hch@lst.de>2019-02-13 10:01:27 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2019-02-18 14:41:04 +0300
commitfeee96440c9c5fdf47f8c8079c104fc8082924a0 (patch)
tree6b61e0feb55fa765389c3c5909ec81015fda966e /include/linux/swiotlb.h
parent65a21b71f948406201e4f62e41f06513350ca390 (diff)
downloadlinux-feee96440c9c5fdf47f8c8079c104fc8082924a0.tar.xz
swiotlb: remove swiotlb_dma_supported
The only user left is powerpc, but even there the generic dma-direct version works just as well, given that we guarantee that the swiotlb buffer must always be addressable. Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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 7c007ed7505f..54254388899e 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -60,9 +60,6 @@ extern void swiotlb_tbl_sync_single(struct device *hwdev,
size_t size, enum dma_data_direction dir,
enum dma_sync_target target);
-extern int
-swiotlb_dma_supported(struct device *hwdev, u64 mask);
-
#ifdef CONFIG_SWIOTLB
extern enum swiotlb_force swiotlb_force;
extern phys_addr_t io_tlb_start, io_tlb_end;