ARM: dma-mapping: fix some CMA related mismerge

no idea what happened :/

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 8665fd2..c631a4e 100644 (file)
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -642,6 +642,7 @@ static inline pgprot_t __get_dma_pgprot(struct dma_attrs *attrs, pgprot_t prot)
 
 #define nommu() 1
 
+#define __get_dma_pgprot(attrs, prot)  __pgprot(0)
 #define __alloc_remap_buffer(dev, size, gfp, prot, ret, c)     NULL
 #define __alloc_from_pool(dev, size, ret_page, c)              NULL
 #define __alloc_from_contiguous(dev, size, prot, ret)          NULL
@@ -741,6 +742,7 @@ int arm_dma_mmap(struct device *dev, struct vm_area_struct *vma,
        int ret = -ENXIO;
 #ifdef CONFIG_MMU
        unsigned long pfn = dma_to_pfn(dev, dma_addr);
+       vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot);
 
        if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
                return ret;