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Diffstat (limited to 'kernel/dma/direct.c')
-rw-r--r--kernel/dma/direct.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c
index 4d543b1e9d57..4480a3cd92e0 100644
--- a/kernel/dma/direct.c
+++ b/kernel/dma/direct.c
@@ -404,9 +404,7 @@ void dma_direct_sync_sg_for_device(struct device *dev,
for_each_sg(sgl, sg, nents, i) {
phys_addr_t paddr = dma_to_phys(dev, sg_dma_address(sg));
- if (unlikely(is_swiotlb_buffer(dev, paddr)))
- swiotlb_sync_single_for_device(dev, paddr, sg->length,
- dir);
+ swiotlb_sync_single_for_device(dev, paddr, sg->length, dir);
if (!dev_is_dma_coherent(dev))
arch_sync_dma_for_device(paddr, sg->length,
@@ -430,9 +428,7 @@ void dma_direct_sync_sg_for_cpu(struct device *dev,
if (!dev_is_dma_coherent(dev))
arch_sync_dma_for_cpu(paddr, sg->length, dir);
- if (unlikely(is_swiotlb_buffer(dev, paddr)))
- swiotlb_sync_single_for_cpu(dev, paddr, sg->length,
- dir);
+ swiotlb_sync_single_for_cpu(dev, paddr, sg->length, dir);
if (dir == DMA_FROM_DEVICE)
arch_dma_mark_clean(paddr, sg->length);
@@ -640,7 +636,7 @@ size_t dma_direct_max_mapping_size(struct device *dev)
bool dma_direct_need_sync(struct device *dev, dma_addr_t dma_addr)
{
return !dev_is_dma_coherent(dev) ||
- is_swiotlb_buffer(dev, dma_to_phys(dev, dma_addr));
+ swiotlb_find_pool(dev, dma_to_phys(dev, dma_addr));
}
/**