From: Souptick Joarder <jrdr.linux@gmail.com>
To: jassisinghbrar@gmail.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] maillbox: bcm-flexrm-mailbox: Use dma_pool_zalloc()
Date: Sat, 17 Feb 2018 15:12:22 +0530 [thread overview]
Message-ID: <20180217094222.GA13241@jordon-HP-15-Notebook-PC> (raw)
Use dma_pool_zalloc() instead of dma_pool_alloc + memset
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
---
drivers/mailbox/bcm-flexrm-mailbox.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
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) {
--
1.9.1
reply other threads:[~2018-02-17 9:41 UTC|newest]
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