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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2013-07-02 11:15:15 +0530 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2013-07-02 10:08:22 +0200 |
| commit | f825c736e75b11adb59ec52a4a1096efddd2ec97 (patch) | |
| tree | 0592b3e3cf216341da2daa072874be0fc7d284d9 /arch/arm/mm/dma-mapping.c | |
| parent | 8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff) | |
| download | op-kernel-dev-f825c736e75b11adb59ec52a4a1096efddd2ec97.zip op-kernel-dev-f825c736e75b11adb59ec52a4a1096efddd2ec97.tar.gz | |
mm/cma: Move dma contiguous changes into a seperate config
We want to use CMA for allocating hash page table and real mode area for
PPC64. Hence move DMA contiguous related changes into a seperate config
so that ppc64 can enable CMA without requiring DMA contiguous.
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[removed defconfig changes]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index ef3e0f3..1fb40dc 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -358,7 +358,7 @@ static int __init atomic_pool_init(void) if (!pages) goto no_pages; - if (IS_ENABLED(CONFIG_CMA)) + if (IS_ENABLED(CONFIG_DMA_CMA)) ptr = __alloc_from_contiguous(NULL, pool->size, prot, &page, atomic_pool_init); else @@ -670,7 +670,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, addr = __alloc_simple_buffer(dev, size, gfp, &page); else if (!(gfp & __GFP_WAIT)) addr = __alloc_from_pool(size, &page); - else if (!IS_ENABLED(CONFIG_CMA)) + else if (!IS_ENABLED(CONFIG_DMA_CMA)) addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller); else addr = __alloc_from_contiguous(dev, size, prot, &page, caller); @@ -759,7 +759,7 @@ static void __arm_dma_free(struct device *dev, size_t size, void *cpu_addr, __dma_free_buffer(page, size); } else if (__free_from_pool(cpu_addr, size)) { return; - } else if (!IS_ENABLED(CONFIG_CMA)) { + } else if (!IS_ENABLED(CONFIG_DMA_CMA)) { __dma_free_remap(cpu_addr, size); __dma_free_buffer(page, size); } else { |
