diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kernel/pci-swiotlb.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c index 717ad4f1c70..573f02c39a0 100644 --- a/arch/ia64/kernel/pci-swiotlb.c +++ b/arch/ia64/kernel/pci-swiotlb.c @@ -13,8 +13,16 @@ int swiotlb __read_mostly; EXPORT_SYMBOL(swiotlb); +static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp) +{ + if (dev->coherent_dma_mask != DMA_64BIT_MASK) + gfp |= GFP_DMA; + return swiotlb_alloc_coherent(dev, size, dma_handle, gfp); +} + struct dma_map_ops swiotlb_dma_ops = { - .alloc_coherent = swiotlb_alloc_coherent, + .alloc_coherent = ia64_swiotlb_alloc_coherent, .free_coherent = swiotlb_free_coherent, .map_page = swiotlb_map_page, .unmap_page = swiotlb_unmap_page, |