Ther is no need to go through dma_common_mmap for the arm-nommu
dma mmap implementation as the only possible memory not handled above
could be that from the per-device coherent pool.
Signed-off-by: Christoph Hellwig <h...@lst.de>
---
arch/arm/mm/dma-mapping-nommu.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mm/dma-mapping-nommu.c b/arch/arm/mm/dma-mapping-nommu.c
index 52b82559d99b..db9247898300 100644
--- a/arch/arm/mm/dma-mapping-nommu.c
+++ b/arch/arm/mm/dma-mapping-nommu.c
@@ -68,8 +68,9 @@ static int arm_nommu_dma_mmap(struct device *dev, struct
vm_area_struct *vma,
if (dma_mmap_from_global_coherent(vma, cpu_addr, size, &ret))
return ret;
-
- return dma_common_mmap(dev, vma, cpu_addr, dma_addr, size, attrs);
+ if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
+ return ret;
+ return -ENXIO;
}
--
2.20.1
