From patchwork Wed Nov 25 02:20:24 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinghai Lu X-Patchwork-Id: 62662 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nAP2LFMc014894 for ; Wed, 25 Nov 2009 02:21:16 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758229AbZKYCVI (ORCPT ); Tue, 24 Nov 2009 21:21:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758232AbZKYCVI (ORCPT ); Tue, 24 Nov 2009 21:21:08 -0500 Received: from hera.kernel.org ([140.211.167.34]:37024 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758229AbZKYCVH (ORCPT ); Tue, 24 Nov 2009 21:21:07 -0500 Received: from [10.6.76.26] (sca-ea-fw-1.Sun.COM [192.18.43.225]) (authenticated bits=0) by hera.kernel.org (8.14.3/8.14.3) with ESMTP id nAP2LDdo030438 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 25 Nov 2009 02:21:14 GMT Message-ID: <4B0C9468.4070504@kernel.org> Date: Tue, 24 Nov 2009 18:20:24 -0800 From: Yinghai Lu User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Jesse Barnes , "linux-pci@vger.kernel.org" Subject: [PATCH] pci: print out DMA mask info Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Index: linux-2.6/drivers/pci/pci.c =================================================================== --- linux-2.6.orig/drivers/pci/pci.c +++ linux-2.6/drivers/pci/pci.c @@ -2101,6 +2101,8 @@ pci_set_dma_mask(struct pci_dev *dev, u6 return -EIO; dev->dma_mask = mask; + dev_printk(KERN_DEBUG, &dev->dev, "using %dbit DMA mask\n", + fls64(mask)); return 0; } @@ -2112,6 +2114,8 @@ pci_set_consistent_dma_mask(struct pci_d return -EIO; dev->dev.coherent_dma_mask = mask; + dev_printk(KERN_DEBUG, &dev->dev, "using %dbit consistent DMA mask\n", + fls64(mask)); return 0; }