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authorDave Airlie <airlied@redhat.com>2010-10-18 19:48:34 -0400
committerDave Airlie <airlied@redhat.com>2010-10-18 19:48:34 -0400
commitb7ae5056c94a8191c1fd0b5697707377516c0c5d (patch)
tree394f68003ea0bc2a0c24e510a7c5b13f479ce743 /arch/mips/mm/dma-default.c
parent2126d0a4a205e2d6b763434f892524cd60f74228 (diff)
parent6a2a11dbea5db417d200d38dda53c30a2e5603e0 (diff)
Merge branch 'drm-fixes' of /home/airlied/kernel/linux-2.6 into drm-core-next
Conflicts: drivers/gpu/drm/i915/intel_fb.c drivers/gpu/drm/radeon/r600_blit_kms.c drivers/gpu/drm/ttm/ttm_bo.c
Diffstat (limited to 'arch/mips/mm/dma-default.c')
-rw-r--r--arch/mips/mm/dma-default.c28
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
45static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) 45static 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
70void *dma_alloc_noncoherent(struct device *dev, size_t size, 82void *dma_alloc_noncoherent(struct device *dev, size_t size,