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authorTejun Heo <tj@kernel.org>2010-01-05 09:17:33 +0900
committerTejun Heo <tj@kernel.org>2010-01-05 09:17:33 +0900
commit32032df6c2f6c9c6b2ada2ce42322231824f70c2 (patch)
treeb1ce838a37044bb38dfc128e2116ca35630e629a /arch/mips/mm/dma-default.c
parent22b737f4c75197372d64afc6ed1bccd58c00e549 (diff)
parentc5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff)
downloadop-kernel-dev-32032df6c2f6c9c6b2ada2ce42322231824f70c2.zip
op-kernel-dev-32032df6c2f6c9c6b2ada2ce42322231824f70c2.tar.gz
Merge branch 'master' into percpu
Conflicts: arch/powerpc/platforms/pseries/hvCall.S include/linux/percpu.h
Diffstat (limited to 'arch/mips/mm/dma-default.c')
-rw-r--r--arch/mips/mm/dma-default.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 7e48e76..9367e33 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -90,6 +90,9 @@ void *dma_alloc_coherent(struct device *dev, size_t size,
{
void *ret;
+ if (dma_alloc_from_coherent(dev, size, dma_handle, &ret))
+ return ret;
+
gfp = massage_gfp_flags(dev, gfp);
ret = (void *) __get_free_pages(gfp, get_order(size));
@@ -122,6 +125,10 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
dma_addr_t dma_handle)
{
unsigned long addr = (unsigned long) vaddr;
+ int order = get_order(size);
+
+ if (dma_release_from_coherent(dev, order, vaddr))
+ return;
plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL);
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