linux-kernel - [PATCH 1/9] MIPS: Octeon: Set dma_masks for octeon

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Message-Id: <1285281496-24696-2-git-send-email-ddaney@caviumnetworks.com>
Date:	Thu, 23 Sep 2010 15:38:08 -0700
From:	David Daney <ddaney@...iumnetworks.com>
To:	linux-mips@...ux-mips.org, ralf@...ux-mips.org,
	linux-kernel@...r.kernel.org
Cc:	David Daney <ddaney@...iumnetworks.com>
Subject: [PATCH 1/9] MIPS: Octeon: Set dma_masks for octeon_mgmt device.

This allows follow-on patches to dma mapping functions to work with
the octeon mgmt device..

Signed-off-by: David Daney <ddaney@...iumnetworks.com>
---
 arch/mips/cavium-octeon/octeon-platform.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
index 62ac30e..c32d40d 100644
--- a/arch/mips/cavium-octeon/octeon-platform.c
+++ b/arch/mips/cavium-octeon/octeon-platform.c
@@ -10,6 +10,7 @@
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/i2c.h>
+#include <linux/dma-mapping.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
@@ -301,6 +302,10 @@ static int __init octeon_mgmt_device_init(void)
 			ret = -ENOMEM;
 			goto out;
 		}
+		/* No DMA restrictions */
+		pd->dev.coherent_dma_mask = DMA_BIT_MASK(64);
+		pd->dev.dma_mask = &pd->dev.coherent_dma_mask;
+
 		switch (port) {
 		case 0:
 			mgmt_port_resource.start = OCTEON_IRQ_MII0;
-- 
1.7.2.2

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