diff options
Diffstat (limited to 'kernel/dma/mapping.c')
| -rw-r--r-- | kernel/dma/mapping.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c index c000906348c9..f7afdadb6770 100644 --- a/kernel/dma/mapping.c +++ b/kernel/dma/mapping.c @@ -238,17 +238,13 @@ 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) { const struct dma_map_ops *ops = get_dma_ops(dev); void *cpu_addr; - WARN_ON_ONCE(dev && !dev->coherent_dma_mask); + WARN_ON_ONCE(!dev->coherent_dma_mask); if (dma_alloc_from_dev_coherent(dev, size, dma_handle, &cpu_addr)) return cpu_addr; @@ -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) |