From: Souptick Joarder <jrdr.linux@gmail.com>
Date: Sat, 17 Feb 2018 09:41:13 +0000 (+0530)
Subject: maillbox: bcm-flexrm-mailbox: Use dma_pool_zalloc()
X-Git-Tag: v5.15~9093^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6de84023d31bc40931d0a789b75964db8728e553;p=platform%2Fkernel%2Flinux-starfive.git

maillbox: bcm-flexrm-mailbox: Use dma_pool_zalloc()

Use dma_pool_zalloc() instead of dma_pool_alloc + memset

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
---

diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c
index a8cf433..8ab077f 100644
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1268,7 +1268,7 @@ static int flexrm_startup(struct mbox_chan *chan)
 	}
 
 	/* Allocate completion memory */
-	ring->cmpl_base = dma_pool_alloc(ring->mbox->cmpl_pool,
+	ring->cmpl_base = dma_pool_zalloc(ring->mbox->cmpl_pool,
 					 GFP_KERNEL, &ring->cmpl_dma_base);
 	if (!ring->cmpl_base) {
 		dev_err(ring->mbox->dev,
@@ -1277,7 +1277,6 @@ static int flexrm_startup(struct mbox_chan *chan)
 		ret = -ENOMEM;
 		goto fail_free_bd_memory;
 	}
-	memset(ring->cmpl_base, 0, RING_CMPL_SIZE);
 
 	/* Request IRQ */
 	if (ring->irq == UINT_MAX) {