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-rw-r--r--arch/ia64/Kconfig2
-rw-r--r--arch/ia64/kernel/dma-mapping.c6
2 files changed, 1 insertions, 7 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 16714477eef4..bab7cd878464 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -33,7 +33,7 @@ config IA64
select HAVE_ARCH_TRACEHOOK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_VIRT_CPU_ACCOUNTING
- select ARCH_HAS_DMA_COHERENT_TO_PFN
+ select DMA_NONCOHERENT_MMAP
select ARCH_HAS_SYNC_DMA_FOR_CPU
select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
index 4a3262795890..09ef9ce9988d 100644
--- a/arch/ia64/kernel/dma-mapping.c
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -19,9 +19,3 @@ void arch_dma_free(struct device *dev, size_t size, void *cpu_addr,
{
dma_direct_free_pages(dev, size, cpu_addr, dma_addr, attrs);
}
-
-long arch_dma_coherent_to_pfn(struct device *dev, void *cpu_addr,
- dma_addr_t dma_addr)
-{
- return page_to_pfn(virt_to_page(cpu_addr));
-}