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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-06 16:27:19 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-06 16:27:19 -0400 |
commit | 81c20b96e51660762f7d0df58b5faa370d47e3fd (patch) | |
tree | 1da1598ec918005ef657fba0634b5ce9aec78b72 /arch/mips/mm/dma-default.c | |
parent | 089eed29b4021f8b68ec3d1746a1f9b9c4f04783 (diff) | |
parent | 158d6742bced08c87fd46b5905eebc0d41e3cdf6 (diff) |
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus:
MIPS: Octeon: Place cnmips_cu2_setup in __init memory.
MIPS: Don't place cu2 notifiers in __cpuinitdata
MIPS: Calculate VMLINUZ_LOAD_ADDRESS based on the length of vmlinux.bin
MIPS: Alchemy: Resolve prom section mismatches
MIPS: Fix syscall 64 bit number comments.
MIPS: Hookup fanotify_init, fanotify_mark, and prlimit64 syscalls.
MIPS: TX49xx: Rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN
MIPS: N32: Fix getdents64 syscall for n32
MIPS: Remove pr_<level> uses of KERN_<level>
MIPS: PNX8550: Sort out machine halt, restart and powerdown functions.
MIPS: GIC: Remove dependencies from Malta files.
MIPS: Kconfig: Fix and clarify kconfig help text for VSMP and SMTC.
MIPS: DMA: Fix computation of DMA flags from device's coherent_dma_mask.
MIPS: Audit: Fix hang in entry.S.
MIPS: Document why RELOC_HIDE is there.
MIPS: Octeon: Determine if helper needs to be built
MIPS: Use generic atomic64 for 32-bit kernels
MIPS: RM7000: Symbol should be static
MIPS: kspd: Adjust confusing if indentation
MIPS: Fix a typo.
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 7ba890860d98..469d4019f795 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, |