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authorTakashi Iwai <tiwai@suse.de>2010-10-11 13:45:22 +0200
committerTakashi Iwai <tiwai@suse.de>2010-10-11 13:45:22 +0200
commit4e83998f5af010a928495988c586ea2926624db9 (patch)
treee72d346172a30bbee165d7f585784724906da416 /arch/mips/mm/dma-default.c
parentdd1d3a49db4ae5c6afffadaff526b96c7993c7dd (diff)
parentd4cfa4d12f46e2520f4c1d1a92e891ce068b7464 (diff)
Merge branch 'fix/misc' into topic/misc
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)
static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp)
{
+ gfp_t dma_flag;
+
/* ignore region specifiers */
gfp &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
-#ifdef CONFIG_ZONE_DMA
+#ifdef CONFIG_ISA
if (dev == NULL)
- gfp |= __GFP_DMA;
- else if (dev->coherent_dma_mask < DMA_BIT_MASK(24))
- gfp |= __GFP_DMA;
+ dma_flag = __GFP_DMA;
else
#endif
-#ifdef CONFIG_ZONE_DMA32
+#if defined(CONFIG_ZONE_DMA32) && defined(CONFIG_ZONE_DMA)
if (dev->coherent_dma_mask < DMA_BIT_MASK(32))
- gfp |= __GFP_DMA32;
+ dma_flag = __GFP_DMA;
+ else if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+ dma_flag = __GFP_DMA32;
+ else
+#endif
+#if defined(CONFIG_ZONE_DMA32) && !defined(CONFIG_ZONE_DMA)
+ if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+ dma_flag = __GFP_DMA32;
+ else
+#endif
+#if defined(CONFIG_ZONE_DMA) && !defined(CONFIG_ZONE_DMA32)
+ if (dev->coherent_dma_mask < DMA_BIT_MASK(64))
+ dma_flag = __GFP_DMA;
else
#endif
- ;
+ dma_flag = 0;
/* Don't invoke OOM killer */
gfp |= __GFP_NORETRY;
- return gfp;
+ return gfp | dma_flag;
}
void *dma_alloc_noncoherent(struct device *dev, size_t size,