lkml.org 
[lkml]   [2018]   [Nov]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] arch/powerpc: Use dma_zalloc_coherent
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
\
 
 \ /
  Last update: 2018-11-05 04:28    [W:0.054 / U:0.184 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site