diff options
| -rw-r--r-- | arch/powerpc/kernel/dma.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/lib/dma-noncoherent.c | 2 |
2 files changed, 7 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c index 41fdd48..1562daf 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) void *dma_direct_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t flag) { + void *ret; #ifdef CONFIG_NOT_COHERENT_CACHE - return __dma_alloc_coherent(size, dma_handle, flag); + ret = __dma_alloc_coherent(size, dma_handle, flag); + if (ret == NULL) + return NULL; + *dma_handle += get_dma_direct_offset(dev); + return ret; #else struct page *page; - void *ret; int node = dev_to_node(dev); /* ignore region specifiers */ diff --git a/arch/powerpc/lib/dma-noncoherent.c b/arch/powerpc/lib/dma-noncoherent.c index 5d83907..31734c0 100644 --- a/arch/powerpc/lib/dma-noncoherent.c +++ b/arch/powerpc/lib/dma-noncoherent.c @@ -203,7 +203,7 @@ __dma_alloc_coherent(size_t size, dma_addr_t *handle, gfp_t gfp) /* * Set the "dma handle" */ - *handle = page_to_bus(page); + *handle = page_to_phys(page); do { BUG_ON(!pte_none(*pte)); |