dmaengine: qcom_hidma: Remove call to memset after dmam_alloc_coherent

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@gmail.com>
Acked-by: Sinan Kaya <okaya@kernel.org>
Link: https://lore.kernel.org/r/20190715031723.6375-1-huangfq.daxian@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/qcom/hidma_ll.c b/drivers/dma/qcom/hidma_ll.c
index 5bf8b145c427c890971e30d5fdf334114bdc27a9..bb4471e84e484554231229def9921a967ebc0413 100644 (file)
--- 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 */