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| author | Vineet Gupta <vgupta@synopsys.com> | 2015-04-16 18:34:49 +0300 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-06-19 15:39:23 +0300 |
| commit | 454bfda9aca0f6a0487eef523ac92dfc6646807d (patch) | |
| tree | 8514c08c152c2a08bbfc74969963ffbab3e2e07b /arch/arc/mm | |
| parent | 7c42eaf6c5eb6fad56a77d90c0e25da8be39948d (diff) | |
| download | linux-454bfda9aca0f6a0487eef523ac92dfc6646807d.tar.xz | |
ARC: remove the unused platform helpers from dma mapping API
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/mm')
| -rw-r--r-- | arch/arc/mm/dma.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c index 12cc6485b218..2cfe81dca92a 100644 --- a/arch/arc/mm/dma.c +++ b/arch/arc/mm/dma.c @@ -14,8 +14,6 @@ * Cache bit off in the TLB entry. * * The default DMA address == Phy address which is 0x8000_0000 based. - * A platform/device can make it zero based, by over-riding - * plat_{dma,kernel}_addr_to_{kernel,dma} */ #include <linux/dma-mapping.h> @@ -37,7 +35,7 @@ void *dma_alloc_noncoherent(struct device *dev, size_t size, return NULL; /* This is bus address, platform dependent */ - *dma_handle = plat_kernel_addr_to_dma(dev, paddr); + *dma_handle = (dma_addr_t)paddr; return paddr; } @@ -46,8 +44,7 @@ EXPORT_SYMBOL(dma_alloc_noncoherent); void dma_free_noncoherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle) { - free_pages_exact((void *)plat_dma_addr_to_kernel(dev, dma_handle), - size); + free_pages_exact((void *)dma_handle, size); } EXPORT_SYMBOL(dma_free_noncoherent); @@ -67,7 +64,7 @@ void *dma_alloc_coherent(struct device *dev, size_t size, memset(kvaddr, 0, size); /* This is bus address, platform dependent */ - *dma_handle = plat_kernel_addr_to_dma(dev, paddr); + *dma_handle = (dma_addr_t)paddr; return kvaddr; } @@ -78,8 +75,7 @@ void dma_free_coherent(struct device *dev, size_t size, void *kvaddr, { iounmap((void __force __iomem *)kvaddr); - free_pages_exact((void *)plat_dma_addr_to_kernel(dev, dma_handle), - size); + free_pages_exact((void *)dma_handle, size); } EXPORT_SYMBOL(dma_free_coherent); |