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dma-debug: use offset_in_page() macro

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Use offset_in_page() macro instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Geliang Tang 2017-04-22 09:18:05 +08:00 committed by Vinod Koul
parent b70e52cacb
commit e57d05520f
1 changed files with 2 additions and 2 deletions
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4
lib/dma-debug.c
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@ -1502,7 +1502,7 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size,
entry->type = dma_debug_coherent;
entry->dev = dev;
entry->pfn = page_to_pfn(virt_to_page(virt));
entry->offset = (size_t) virt & ~PAGE_MASK;
entry->offset = offset_in_page(virt);
entry->size = size;
entry->dev_addr = dma_addr;
entry->direction = DMA_BIDIRECTIONAL;
@ -1518,7 +1518,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size,
.type = dma_debug_coherent,
.dev = dev,
.pfn = page_to_pfn(virt_to_page(virt)),
.offset = (size_t) virt & ~PAGE_MASK,
.offset = offset_in_page(virt),
.dev_addr = addr,
.size = size,
.direction = DMA_BIDIRECTIONAL,