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authorVineet Gupta <vgupta@synopsys.com>2015-04-16 18:34:49 +0300
committerVineet Gupta <vgupta@synopsys.com>2015-06-19 15:39:23 +0300
commit454bfda9aca0f6a0487eef523ac92dfc6646807d (patch)
tree8514c08c152c2a08bbfc74969963ffbab3e2e07b /arch/arc/mm/dma.c
parent7c42eaf6c5eb6fad56a77d90c0e25da8be39948d (diff)
downloadlinux-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/dma.c')
-rw-r--r--arch/arc/mm/dma.c12
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);