dma_common_mmap() is already available for NOMMU, so there is no point
to carry own version. Moreover, existent implementation relies on
dma-noop provides mmap, but it is not true anymore.
Signed-off-by: Vladimir Murzin <vladimir.mur...@arm.com>
---
arch/arm/mm/dma-mapping-nommu.c | 18 ------------------
1 file changed, 18 deletions(-)
diff --git a/arch/arm/mm/dma-mapping-nommu.c b/arch/arm/mm/dma-mapping-nommu.c
index 6adc02f..90ee354 100644
--- a/arch/arm/mm/dma-mapping-nommu.c
+++ b/arch/arm/mm/dma-mapping-nommu.c
@@ -71,23 +71,6 @@ static void arm_nommu_dma_free(struct device *dev, size_t
size,
return;
}
-static int arm_nommu_dma_mmap(struct device *dev, struct vm_area_struct *vma,
- void *cpu_addr, dma_addr_t dma_addr, size_t size,
- unsigned long attrs)
-{
- const struct dma_map_ops *ops = &dma_noop_ops;
- int ret;
-
- if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
- return ret;
-
- if (attrs & DMA_ATTR_NON_CONSISTENT)
- return ops->mmap(dev, vma, cpu_addr, dma_addr, size, attrs);
-
- WARN_ON_ONCE(1);
- return -ENXIO;
-}
-
static void __dma_page_cpu_to_dev(phys_addr_t paddr, size_t size,
enum dma_data_direction dir)
{
@@ -190,7 +173,6 @@ static void arm_nommu_dma_sync_sg_for_cpu(struct device
*dev, struct scatterlist
const struct dma_map_ops arm_nommu_dma_ops = {
.alloc = arm_nommu_dma_alloc,
.free = arm_nommu_dma_free,
- .mmap = arm_nommu_dma_mmap,
.map_page = arm_nommu_dma_map_page,
.unmap_page = arm_nommu_dma_unmap_page,
.map_sg = arm_nommu_dma_map_sg,
--
2.0.0
