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| author | Christoph Hellwig <hch@lst.de> | 2018-12-21 14:32:02 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-04-08 17:52:46 +0200 |
| commit | e43e2657fe77a37b13643e2469670ecdb0ba5e10 (patch) | |
| tree | 4ee78346c28a4eb714497802b083af8064b9992e /kernel/dma | |
| parent | d7e02a931235de0779d44c6f8d211df0eca304b8 (diff) | |
| download | lwn-e43e2657fe77a37b13643e2469670ecdb0ba5e10.tar.gz lwn-e43e2657fe77a37b13643e2469670ecdb0ba5e10.zip | |
x86/dma: Remove the x86_dma_fallback_dev hack
Now that we removed support for the NULL device argument in the DMA API,
there is no need to cater for that in the x86 code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'kernel/dma')
| -rw-r--r-- | kernel/dma/mapping.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index c000906348c9..685a53f2a793 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -238,10 +238,6 @@ u64 dma_get_required_mask(struct device *dev) } EXPORT_SYMBOL_GPL(dma_get_required_mask); -#ifndef arch_dma_alloc_attrs -#define arch_dma_alloc_attrs(dev) (true) -#endif - void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag, unsigned long attrs) { @@ -256,9 +252,6 @@ void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle, /* let the implementation decide on the zone to allocate from: */ flag &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); - if (!arch_dma_alloc_attrs(&dev)) - return NULL; - if (dma_is_direct(ops)) cpu_addr = dma_direct_alloc(dev, size, dma_handle, flag, attrs); else if (ops->alloc) |