redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

ARM: dma-mapping: use dma_mmap_from_coherent() 

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
hifive-unleashed-5.1
Marek Szyprowski 2012-05-15 19:04:13 +02:00
parent bca0fa5f12
commit 47142f07ee
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm/mm/dma-mapping.c
View File

@ -401,6 +401,9 @@ static int dma_mmap(struct device *dev, struct vm_area_struct *vma,
unsigned long user_size, kern_size;
struct arm_vmregion *c;
if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
return ret;
user_size = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
c = arm_vmregion_find(&consistent_head, (unsigned long)cpu_addr);