From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brice Goglin Subject: [PATCH 2/2] myri10ge: set 64bits consistent DMA mask Date: Wed, 06 Aug 2008 16:15:23 +0200 Message-ID: <4899B1FB.8070700@myri.com> References: <4899B198.1060508@myri.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Jeff Garzik Return-path: Received: from mailbox2.myri.com ([64.172.73.26]:2015 "EHLO myri.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754844AbYHFOPu (ORCPT ); Wed, 6 Aug 2008 10:15:50 -0400 In-Reply-To: <4899B198.1060508@myri.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 --- 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)