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authorRobin Murphy <robin.murphy@arm.com>2023-11-24 18:10:03 +0000
committerChristoph Hellwig <hch@lst.de>2023-12-15 12:32:42 +0100
commit4ad4c1f394b84f9941a10aa8aaf11102478a390b (patch)
treedd8752f43b26d9a042f2124b2d1b7551e0a83d95 /kernel/dma
parent3f7168591ebf7bbdb91797d02b1afaf00a4289b1 (diff)
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dma-mapping: don't store redundant offsets
A bus_dma_region necessarily stores both CPU and DMA base addresses for a range, so there's no need to also store the difference between them. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel/dma')
-rw-r--r--kernel/dma/direct.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 73c95815789a..98b2e192fd69 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -677,7 +677,6 @@ int dma_direct_set_offset(struct device *dev, phys_addr_t cpu_start,
return -ENOMEM;
map[0].cpu_start = cpu_start;
map[0].dma_start = dma_start;
- map[0].offset = offset;
map[0].size = size;
dev->dma_range_map = map;
return 0;