netdev - [PATCH 2/2] myri10ge: set 64bits consistent DMA mask

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Message-ID: <4899B1FB.8070700@myri.com>
Date:	Wed, 06 Aug 2008 16:15:23 +0200
From:	Brice Goglin <brice@...i.com>
To:	Jeff Garzik <jeff@...zik.org>
CC:	netdev@...r.kernel.org
Subject: [PATCH 2/2] myri10ge: set 64bits consistent DMA mask

Set 64bits consistent DMA mask since it improves performance
in some cases. No need to check the return value since it is
not required for the driver to work.

Signed-off-by: Brice Goglin <brice@...i.com> 
---
 drivers/net/myri10ge/myri10ge.c |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6/drivers/net/myri10ge/myri10ge.c
===================================================================
--- linux-2.6.orig/drivers/net/myri10ge/myri10ge.c	2008-07-23 09:18:21.000000000 +0200
+++ linux-2.6/drivers/net/myri10ge/myri10ge.c	2008-08-04 13:22:14.000000000 +0200
@@ -3699,6 +3699,7 @@
 		dev_err(&pdev->dev, "Error %d setting DMA mask\n", status);
 		goto abort_with_netdev;
 	}
+	(void)pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
 	mgp->cmd = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->cmd),
 				      &mgp->cmd_bus, GFP_KERNEL);
 	if (mgp->cmd == NULL)


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