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Message-ID: <5bdfb8db.1c69fb81.c8f62.9586@mx.google.com>
Date: Mon, 5 Nov 2018 08:58:23 +0530
From: Sabyasachi Gupta <sabyasachi.linux@...il.com>
To: benh@...nel.crashing.org, paulus@...ba.org, mpe@...erman.id.au,
joe@...ches.com, darren@...vens-zone.net, christophe.leroy@....fr,
geoff@...radead.org
Cc: jrdr.linux@...il.com, linuxppc-dev@...ts.ozlabs.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] arch/powerpc: Use dma_zalloc_coherent
Replaced dma_alloc_coherent + memset with dma_zalloc_coherent
Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@...il.com>
---
arch/powerpc/platforms/pasemi/dma_lib.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/powerpc/platforms/pasemi/dma_lib.c b/arch/powerpc/platforms/pasemi/dma_lib.c
index 53384eb..d18d164 100644
--- a/arch/powerpc/platforms/pasemi/dma_lib.c
+++ b/arch/powerpc/platforms/pasemi/dma_lib.c
@@ -255,15 +255,13 @@ int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size)
chan->ring_size = ring_size;
- chan->ring_virt = dma_alloc_coherent(&dma_pdev->dev,
+ chan->ring_virt = dma_zalloc_coherent(&dma_pdev->dev,
ring_size * sizeof(u64),
&chan->ring_dma, GFP_KERNEL);
if (!chan->ring_virt)
return -ENOMEM;
- memset(chan->ring_virt, 0, ring_size * sizeof(u64));
-
return 0;
}
EXPORT_SYMBOL(pasemi_dma_alloc_ring);
--
2.7.4
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