From: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au
Cc: jrdr.linux@gmail.com, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org, brajeswar.linux@gmail.com
Subject: [PATCH] arch/powerpc: Use dma_zalloc_coherent
Date: Mon, 5 Nov 2018 07:52:48 +0530 [thread overview]
Message-ID: <5bdfa97d.1c69fb81.4aef7.c9f7@mx.google.com> (raw)
Replaced dma_alloc_coherent + memset with dma_zalloc_coherent
Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com>
---
arch/powerpc/sysdev/fsl_rmu.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_rmu.c b/arch/powerpc/sysdev/fsl_rmu.c
index 88b35a3d..8b0ebf3 100644
--- a/arch/powerpc/sysdev/fsl_rmu.c
+++ b/arch/powerpc/sysdev/fsl_rmu.c
@@ -756,15 +756,13 @@ fsl_open_outb_mbox(struct rio_mport *mport, void *dev_id, int mbox, int entries)
}
/* Initialize outbound message descriptor ring */
- rmu->msg_tx_ring.virt = dma_alloc_coherent(priv->dev,
+ rmu->msg_tx_ring.virt = dma_zalloc_coherent(priv->dev,
rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE,
&rmu->msg_tx_ring.phys, GFP_KERNEL);
if (!rmu->msg_tx_ring.virt) {
rc = -ENOMEM;
goto out_dma;
}
- memset(rmu->msg_tx_ring.virt, 0,
- rmu->msg_tx_ring.size * RIO_MSG_DESC_SIZE);
rmu->msg_tx_ring.tx_slot = 0;
/* Point dequeue/enqueue pointers at first entry in ring */
--
2.7.4
next reply other threads:[~2018-11-05 2:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-05 2:22 Sabyasachi Gupta [this message]
2018-11-15 17:56 ` [PATCH] arch/powerpc: Use dma_zalloc_coherent Sabyasachi Gupta
2018-12-22 1:56 ` Scott Wood
2018-12-05 4:41 ` Sabyasachi Gupta
2018-11-05 3:28 Sabyasachi Gupta
2018-11-15 17:59 ` Sabyasachi Gupta
2018-11-15 19:25 ` Joe Perches
2018-11-17 7:10 ` Souptick Joarder
2018-11-17 8:24 ` Joe Perches
2018-11-16 10:06 ` Michael Ellerman
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