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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2013-07-02 11:15:15 +0530
committerMarek Szyprowski <m.szyprowski@samsung.com>2013-07-02 10:08:22 +0200
commitf825c736e75b11adb59ec52a4a1096efddd2ec97 (patch)
tree0592b3e3cf216341da2daa072874be0fc7d284d9 /arch/arm/mm/dma-mapping.c
parent8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff)
downloadop-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.c6
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 {
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