diff options
Diffstat (limited to 'arch/powerpc/kernel/dma.c')
-rw-r--r-- | arch/powerpc/kernel/dma.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 41fdd48bf433..1562daf8839a 100644 --- a/arch/powerpc/kernel/dma.c +++ b/arch/powerpc/kernel/dma.c | |||
@@ -30,11 +30,15 @@ static unsigned long get_dma_direct_offset(struct device *dev) | |||
30 | void *dma_direct_alloc_coherent(struct device *dev, size_t size, | 30 | void *dma_direct_alloc_coherent(struct device *dev, size_t size, |
31 | dma_addr_t *dma_handle, gfp_t flag) | 31 | dma_addr_t *dma_handle, gfp_t flag) |
32 | { | 32 | { |
33 | void *ret; | ||
33 | #ifdef CONFIG_NOT_COHERENT_CACHE | 34 | #ifdef CONFIG_NOT_COHERENT_CACHE |
34 | return __dma_alloc_coherent(size, dma_handle, flag); | 35 | ret = __dma_alloc_coherent(size, dma_handle, flag); |
36 | if (ret == NULL) | ||
37 | return NULL; | ||
38 | *dma_handle += get_dma_direct_offset(dev); | ||
39 | return ret; | ||
35 | #else | 40 | #else |
36 | struct page *page; | 41 | struct page *page; |
37 | void *ret; | ||
38 | int node = dev_to_node(dev); | 42 | int node = dev_to_node(dev); |
39 | 43 | ||
40 | /* ignore region specifiers */ | 44 | /* ignore region specifiers */ |