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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-31 12:38:04 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-31 12:38:04 +0200 |
| commit | 5fbf24659b75356e2142e1f1b88f67b34cbc3e75 (patch) | |
| tree | 0e470e4cc89b72e3d74939f8c39396a6a0bebb3a /arch/arm/mm/consistent.c | |
| parent | d89961e2dc87b6e30b8e3f60bd2af5cd92cf4643 (diff) | |
| parent | 6e86841d05f371b5b9b86ce76c02aaee83352298 (diff) | |
| download | talos-op-linux-5fbf24659b75356e2142e1f1b88f67b34cbc3e75.tar.gz talos-op-linux-5fbf24659b75356e2142e1f1b88f67b34cbc3e75.zip | |
Merge branch 'linus' into x86/xen
Diffstat (limited to 'arch/arm/mm/consistent.c')
| -rw-r--r-- | arch/arm/mm/consistent.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c index 333a82a3717e..db7b3e38ef1d 100644 --- a/arch/arm/mm/consistent.c +++ b/arch/arm/mm/consistent.c @@ -274,6 +274,11 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, void * dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp) { + void *memory; + + if (dma_alloc_from_coherent(dev, size, handle, &memory)) + return memory; + if (arch_is_coherent()) { void *virt; @@ -362,6 +367,9 @@ void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr WARN_ON(irqs_disabled()); + if (dma_release_from_coherent(dev, get_order(size), cpu_addr)) + return; + if (arch_is_coherent()) { kfree(cpu_addr); return; |
