diff options
Diffstat (limited to 'arch/mips/mm/dma-default.c')
-rw-r--r-- | arch/mips/mm/dma-default.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index 7ba890860d9..469d4019f79 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c | |||
@@ -44,27 +44,39 @@ static inline int cpu_is_noncoherent_r10000(struct device *dev) | |||
44 | 44 | ||
45 | static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) | 45 | static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) |
46 | { | 46 | { |
47 | gfp_t dma_flag; | ||
48 | |||
47 | /* ignore region specifiers */ | 49 | /* ignore region specifiers */ |
48 | gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); | 50 | gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM); |
49 | 51 | ||
50 | #ifdef CONFIG_ZONE_DMA | 52 | #ifdef CONFIG_ISA |
51 | if (dev == NULL) | 53 | if (dev == NULL) |
52 | gfp |= __GFP_DMA; | 54 | dma_flag = __GFP_DMA; |
53 | else if (dev->coherent_dma_mask < DMA_BIT_MASK(24)) | ||
54 | gfp |= __GFP_DMA; | ||
55 | else | 55 | else |
56 | #endif | 56 | #endif |
57 | #ifdef CONFIG_ZONE_DMA32 | 57 | #if defined(CONFIG_ZONE_DMA32) && defined(CONFIG_ZONE_DMA) |
58 | if (dev->coherent_dma_mask < DMA_BIT_MASK(32)) | 58 | if (dev->coherent_dma_mask < DMA_BIT_MASK(32)) |
59 | gfp |= __GFP_DMA32; | 59 | dma_flag = __GFP_DMA; |
60 | else if (dev->coherent_dma_mask < DMA_BIT_MASK(64)) | ||
61 | dma_flag = __GFP_DMA32; | ||
62 | else | ||
63 | #endif | ||
64 | #if defined(CONFIG_ZONE_DMA32) && !defined(CONFIG_ZONE_DMA) | ||
65 | if (dev->coherent_dma_mask < DMA_BIT_MASK(64)) | ||
66 | dma_flag = __GFP_DMA32; | ||
67 | else | ||
68 | #endif | ||
69 | #if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32) | ||
70 | if (dev->coherent_dma_mask < DMA_BIT_MASK(64)) | ||
71 | dma_flag = __GFP_DMA; | ||
60 | else | 72 | else |
61 | #endif | 73 | #endif |
62 | ; | 74 | dma_flag = 0; |
63 | 75 | ||
64 | /* Don't invoke OOM killer */ | 76 | /* Don't invoke OOM killer */ |
65 | gfp |= __GFP_NORETRY; | 77 | gfp |= __GFP_NORETRY; |
66 | 78 | ||
67 | return gfp; | 79 | return gfp | dma_flag; |
68 | } | 80 | } |
69 | 81 | ||
70 | void *dma_alloc_noncoherent(struct device *dev, size_t size, | 82 | void *dma_alloc_noncoherent(struct device *dev, size_t size, |