i2c: ismt: 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. Acked-by: Neil Horman <[email protected]> Signed-off-by: Fuqian Huang <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
laijs · Aug 1, 2019 · 34de351 · 34de351
1 parent e5738bc
commit 34de351
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
@@ -781,8 +781,6 @@ static int ismt_dev_init(struct ismt_priv *priv)
 	if (!priv->hw)
 		return -ENOMEM;
 
-	memset(priv->hw, 0, (ISMT_DESC_ENTRIES * sizeof(struct ismt_desc)));
-
 	priv->head = 0;
 	init_completion(&priv->cmp);