dmaengine: qcom_hidma: Remove call to memset after dmam_alloc_coherent

In commit 518a2f1 ("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 <[email protected]> Acked-by: Sinan Kaya <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Vinod Koul <[email protected]>
kmaincent · Aug 8, 2019 · 719e25d · 719e25d
1 parent 9603a7a
commit 719e25d
Showing 1 changed file with 0 additions and 2 deletions.
diff --git 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 */