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authorChristoph Hellwig <hch@lst.de>2018-12-21 14:32:02 +0100
committerChristoph Hellwig <hch@lst.de>2019-04-08 17:52:46 +0200
commite43e2657fe77a37b13643e2469670ecdb0ba5e10 (patch)
tree4ee78346c28a4eb714497802b083af8064b9992e /arch/x86/kernel/amd_gart_64.c
parentd7e02a931235de0779d44c6f8d211df0eca304b8 (diff)
x86/dma: Remove the x86_dma_fallback_dev hack
Now that we removed support for the NULL device argument in the DMA API, there is no need to cater for that in the x86 code. Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/x86/kernel/amd_gart_64.c')
-rw-r--r--arch/x86/kernel/amd_gart_64.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/kernel/amd_gart_64.c b/arch/x86/kernel/amd_gart_64.c
index 2c0aa34af69c..bf7f13ea3c64 100644
--- a/arch/x86/kernel/amd_gart_64.c
+++ b/arch/x86/kernel/amd_gart_64.c
@@ -233,9 +233,6 @@ static dma_addr_t gart_map_page(struct device *dev, struct page *page,
unsigned long bus;
phys_addr_t paddr = page_to_phys(page) + offset;
- if (!dev)
- dev = &x86_dma_fallback_dev;
-
if (!need_iommu(dev, paddr, size))
return paddr;
@@ -392,9 +389,6 @@ static int gart_map_sg(struct device *dev, struct scatterlist *sg, int nents,
if (nents == 0)
return 0;
- if (!dev)
- dev = &x86_dma_fallback_dev;
-
out = 0;
start = 0;
start_sg = sg;