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Diffstat (limited to 'drivers/base/dma-mapping.c')
-rw-r--r--drivers/base/dma-mapping.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c
index d95c5971c..d799662f1 100644
--- a/drivers/base/dma-mapping.c
+++ b/drivers/base/dma-mapping.c
@@ -12,7 +12,6 @@
#include <linux/gfp.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
-#include <asm-generic/dma-coherent.h>
/*
* Managed DMA API
@@ -167,7 +166,7 @@ void dmam_free_noncoherent(struct device *dev, size_t size, void *vaddr,
}
EXPORT_SYMBOL(dmam_free_noncoherent);
-#ifdef ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
+#ifdef CONFIG_HAVE_GENERIC_DMA_COHERENT
static void dmam_coherent_decl_release(struct device *dev, void *res)
{
@@ -247,7 +246,7 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
void *cpu_addr, dma_addr_t dma_addr, size_t size)
{
int ret = -ENXIO;
-#ifdef CONFIG_MMU
+#if defined(CONFIG_MMU) && !defined(CONFIG_ARCH_NO_COHERENT_DMA_MMAP)
unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT;
unsigned long pfn = page_to_pfn(virt_to_page(cpu_addr));
@@ -264,7 +263,7 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
user_count << PAGE_SHIFT,
vma->vm_page_prot);
}
-#endif /* CONFIG_MMU */
+#endif /* CONFIG_MMU && !CONFIG_ARCH_NO_COHERENT_DMA_MMAP */
return ret;
}