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swiotlb: remove the CONFIG_DMA_DIRECT_OPS ifdefs

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swiotlb now selects the DMA_DIRECT_OPS config symbol, so this will
always be true.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2018-04-12 07:49:51 +02:00
parent 09230cbc1b
commit 30fd642758
1 changed files with 0 additions and 4 deletions
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4
lib/swiotlb.c
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@ -692,7 +692,6 @@ void swiotlb_tbl_sync_single(struct device *hwdev, phys_addr_t tlb_addr,
}
}
#ifdef CONFIG_DMA_DIRECT_OPS
static inline bool dma_coherent_ok(struct device *dev, dma_addr_t addr,
size_t size)
{
@ -764,7 +763,6 @@ static bool swiotlb_free_buffer(struct device *dev, size_t size,
DMA_ATTR_SKIP_CPU_SYNC);
return true;
}
#endif
static void
swiotlb_full(struct device *dev, size_t size, enum dma_data_direction dir,
@ -1045,7 +1043,6 @@ swiotlb_dma_supported(struct device *hwdev, u64 mask)
return __phys_to_dma(hwdev, io_tlb_end - 1) <= mask;
}
#ifdef CONFIG_DMA_DIRECT_OPS
void *swiotlb_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle,
gfp_t gfp, unsigned long attrs)
{
@ -1089,4 +1086,3 @@ const struct dma_map_ops swiotlb_dma_ops = {
.unmap_page = swiotlb_unmap_page,
.dma_supported = dma_direct_supported,
};
#endif /* CONFIG_DMA_DIRECT_OPS */