linux-kernel - [PATCH] ARM: i.mx35 increase dma consistent region size

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Message-ID: <1334167274-29524-1-git-send-email-alexg@meprolight.com>
Date:	Wed, 11 Apr 2012 21:01:14 +0300
From:	Alex Gershgorin <alexg@...rolight.com>
To:	Sascha Hauer <s.hauer@...gutronix.de>
CC:	<g.liakhovetski@....de>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>,
	Alex Gershgorin <alexg@...rolight.com>
Subject: [PATCH] ARM: i.mx35 increase dma consistent region size

The default size of the consistent DMA region is 2MB
without this patch, attempt to allocate more than 2MB
is causing allocation failure

Signed-off-by: Alex Gershgorin <alexg@...rolight.com>
---
 arch/arm/mach-imx/mm-imx3.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 7412738..a2c0c7d 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -201,6 +201,7 @@ static struct map_desc mx35_io_desc[] __initdata = {
 void __init mx35_map_io(void)
 {
 	iotable_init(mx35_io_desc, ARRAY_SIZE(mx35_io_desc));
+	init_consistent_dma_size(SZ_8M);
 }
 
 void __init imx35_init_early(void)
-- 
1.7.0.4

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