From: Sabyasachi Gupta <sabyasachi.linux@gmail•com>
To: benh@kernel•crashing.org, paulus@samba•org, mpe@ellerman•id.au,
joe@perches•com, darren@stevens-zone•net,
christophe.leroy@c-s•fr, geoff@infradead•org
Cc: linuxppc-dev@lists•ozlabs.org, jrdr.linux@gmail•com,
linux-kernel@vger•kernel.org
Subject: [PATCH] arch/powerpc: Use dma_zalloc_coherent
Date: Mon, 5 Nov 2018 08:58:23 +0530 [thread overview]
Message-ID: <5bdfb8db.1c69fb81.c8f62.9586@mx.google.com> (raw)
Replaced dma_alloc_coherent + memset with dma_zalloc_coherent
Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail•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
next reply other threads:[~2018-11-05 5:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-05 3:28 Sabyasachi Gupta [this message]
2018-11-15 17:59 ` [PATCH] arch/powerpc: Use dma_zalloc_coherent 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
2018-11-27 9:22 ` Michael Ellerman
-- strict thread matches above, loose matches on Subject: below --
2018-11-05 2:22 [PATCH] " Sabyasachi Gupta
2018-11-15 17:56 ` Sabyasachi Gupta
2018-12-22 1:56 ` Scott Wood
2018-12-05 4:41 ` Sabyasachi Gupta
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