ARC: remove the unused platform helpers from dma mapping API
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c
index 12cc648..2cfe81d 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 @@
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 @@
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 @@
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 @@
{
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);