diff options
| author | James Morris <jmorris@namei.org> | 2008-12-04 17:16:36 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2008-12-04 17:16:36 +1100 |
| commit | ec98ce480ada787f2cfbd696980ff3564415505b (patch) | |
| tree | 1a4d644b38f9f1e4b4e086fde0b195df4a92cf84 /lib/swiotlb.c | |
| parent | 3496f92beb9aa99ef21fccc154a36c7698e9c538 (diff) | |
| parent | feaf3848a813a106f163013af6fcf6c4bfec92d9 (diff) | |
Merge branch 'master' into next
Conflicts:
fs/nfsd/nfs4recover.c
Manually fixed above to use new creds API functions, e.g.
nfs4_save_creds().
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'lib/swiotlb.c')
| -rw-r--r-- | lib/swiotlb.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index 78330c37a61b..5f6c629a924d 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -467,9 +467,13 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size, dma_addr_t dev_addr; void *ret; int order = get_order(size); + u64 dma_mask = DMA_32BIT_MASK; + + if (hwdev && hwdev->coherent_dma_mask) + dma_mask = hwdev->coherent_dma_mask; ret = (void *)__get_free_pages(flags, order); - if (ret && address_needs_mapping(hwdev, virt_to_bus(ret), size)) { + if (ret && !is_buffer_dma_capable(dma_mask, virt_to_bus(ret), size)) { /* * The allocated memory isn't reachable by the device. * Fall back on swiotlb_map_single(). @@ -493,9 +497,9 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size, dev_addr = virt_to_bus(ret); /* Confirm address can be DMA'd by device */ - if (address_needs_mapping(hwdev, dev_addr, size)) { + if (!is_buffer_dma_capable(dma_mask, dev_addr, size)) { printk("hwdev DMA mask = 0x%016Lx, dev_addr = 0x%016Lx\n", - (unsigned long long)*hwdev->dma_mask, + (unsigned long long)dma_mask, (unsigned long long)dev_addr); /* DMA_TO_DEVICE to avoid memcpy in unmap_single */ |