linux-kernel - [PATCH] ep93xx: fix OHCI DMA mask

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Date:	Tue, 28 Oct 2008 09:19:50 +0100
From:	Matthias Kaehlcke <matthias@...hlcke.net>
To:	kernel@...tstofly.org
Cc:	rmk@....linux.org.uk, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org
Subject: [PATCH] ep93xx: fix OHCI DMA mask

ep93xx: Fix OHCI DMA mask

Signed-off-by: Matthias Kaehlcke <matthias@...hlcke.net>

--

--- linux-2.6.27.org/arch/arm/mach-ep93xx/core.c	2008-10-10 00:13:53.000000000 +0200
+++ linux-2.6.27/arch/arm/mach-ep93xx/core.c	2008-10-28 08:05:53.000000000 +0100
@@ -26,6 +26,7 @@
 #include <linux/serial_core.h>
 #include <linux/device.h>
 #include <linux/mm.h>
+#include <linux/dma-mapping.h>
 #include <linux/time.h>
 #include <linux/timex.h>
 #include <linux/delay.h>
@@ -450,12 +451,13 @@
 	},
 };
 
+
 static struct platform_device ep93xx_ohci_device = {
 	.name		= "ep93xx-ohci",
 	.id		= -1,
 	.dev		= {
-		.dma_mask		= (void *)0xffffffff,
-		.coherent_dma_mask	= 0xffffffff,
+		.dma_mask		= &ep93xx_ohci_device.dev.coherent_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 	.num_resources	= ARRAY_SIZE(ep93xx_ohci_resources),
 	.resource	= ep93xx_ohci_resources,

-- 
Matthias Kaehlcke
Embedded Linux Engineer
Barcelona

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