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dma-direct: use is_swiotlb_active in dma_direct_map_page

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Use the more specific is_swiotlb_active check instead of checking the
global swiotlb_force variable.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Christoph Hellwig 2022-02-14 09:44:32 +01:00
parent b2d229d4dd
commit 07410559f3
1 changed files with 1 additions and 1 deletions
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2
kernel/dma/direct.h
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@ -91,7 +91,7 @@ static inline dma_addr_t dma_direct_map_page(struct device *dev,
return swiotlb_map(dev, phys, size, dir, attrs);
if (unlikely(!dma_capable(dev, dma_addr, size, true))) {
if (swiotlb_force != SWIOTLB_NO_FORCE)
if (is_swiotlb_active(dev))
return swiotlb_map(dev, phys, size, dir, attrs);
dev_WARN_ONCE(dev, 1,