Instead of calling map_region() explicitly, call arch_regmap_range()
instead to simplify the code. This also ensures that tlb_invalidate()
gets called when dma_free_coherent() is invoked.
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
arch/arm/cpu/mmu_64.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c
index e2dd5b4d8..d7c2542d1 100644
--- a/arch/arm/cpu/mmu_64.c
+++ b/arch/arm/cpu/mmu_64.c
@@ -261,8 +261,7 @@ void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle)
if (dma_handle)
*dma_handle = (dma_addr_t)ret;
- map_region((unsigned long)ret, (unsigned long)ret, size, UNCACHED_MEM);
- tlb_invalidate();
+ arch_remap_range(ret, size, MAP_UNCACHED);
return ret;
}
@@ -270,8 +269,7 @@ void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle)
void dma_free_coherent(void *mem, dma_addr_t dma_handle, size_t size)
{
size = PAGE_ALIGN(size);
-
- map_region((unsigned long)mem, (unsigned long)mem, size, CACHED_MEM);
+ arch_remap_range(ret, size, MAP_CACHED);
free(mem);
}
--
2.20.1
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