In commit 518a2f1925c3
("dma-mapping: zero memory returned from dma_alloc_*"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.
Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx>
---
Changes in v3:
- Use actual commit rather than the merge commit in the commit message
drivers/dma/qcom/hidma_ll.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/dma/qcom/hidma_ll.c b/drivers/dma/qcom/hidma_ll.c
index 5bf8b145c427..bb4471e84e48 100644
--- a/drivers/dma/qcom/hidma_ll.c
+++ b/drivers/dma/qcom/hidma_ll.c
@@ -749,7 +749,6 @@ struct hidma_lldev *hidma_ll_init(struct device *dev, u32 nr_tres,
if (!lldev->tre_ring)
return NULL;
- memset(lldev->tre_ring, 0, (HIDMA_TRE_SIZE + 1) * nr_tres);
lldev->tre_ring_size = HIDMA_TRE_SIZE * nr_tres;
lldev->nr_tres = nr_tres;
@@ -769,7 +768,6 @@ struct hidma_lldev *hidma_ll_init(struct device *dev, u32 nr_tres,
if (!lldev->evre_ring)
return NULL;
- memset(lldev->evre_ring, 0, (HIDMA_EVRE_SIZE + 1) * nr_tres);
lldev->evre_ring_size = HIDMA_EVRE_SIZE * nr_tres;
/* the EVRE ring has to be EVRE_SIZE aligned */
--
2.11.0
