@@ -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 */
In commit af7ddd8a627c ("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"), dmam_alloc_coherent has already zeroed the memory. So memset is not needed. Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com> --- drivers/dma/qcom/hidma_ll.c | 2 -- 1 file changed, 2 deletions(-)