diff options
author | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /arch/x86/kernel/pci-nommu.c | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'arch/x86/kernel/pci-nommu.c')
-rw-r--r-- | arch/x86/kernel/pci-nommu.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kernel/pci-nommu.c b/arch/x86/kernel/pci-nommu.c index 3f91f71cdc3..c70ab5a5d4c 100644 --- a/arch/x86/kernel/pci-nommu.c +++ b/arch/x86/kernel/pci-nommu.c @@ -14,7 +14,7 @@ static int check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size) { - if (hwdev && bus + size > *hwdev->dma_mask) { + if (hwdev && !is_buffer_dma_capable(*hwdev->dma_mask, bus, size)) { if (*hwdev->dma_mask >= DMA_32BIT_MASK) printk(KERN_ERR "nommu_%s: overflow %Lx+%zu of device mask %Lx\n", @@ -72,7 +72,15 @@ static int nommu_map_sg(struct device *hwdev, struct scatterlist *sg, return nents; } +static void nommu_free_coherent(struct device *dev, size_t size, void *vaddr, + dma_addr_t dma_addr) +{ + free_pages((unsigned long)vaddr, get_order(size)); +} + struct dma_mapping_ops nommu_dma_ops = { + .alloc_coherent = dma_generic_alloc_coherent, + .free_coherent = nommu_free_coherent, .map_single = nommu_map_single, .map_sg = nommu_map_sg, .is_phys = 1, |