Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752170Ab2BQIvp (ORCPT ); Fri, 17 Feb 2012 03:51:45 -0500 Received: from mga02.intel.com ([134.134.136.20]:60208 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751651Ab2BQIvn (ORCPT ); Fri, 17 Feb 2012 03:51:43 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="111348616" Subject: Re: [PATCH] usb: enable pci MSI/MSIX in usb core From: "Alex,Shi" To: Clemens Ladisch Cc: Sarah Sharp , stern@rowland.harvard.edu, Greg KH , linux-usb@vger.kernel.org, andiry.xu@amd.com, linux-kernel@vger.kernel.org, Oliver Neukum , Takashi Iwai , trenn@suse.de, linux-pci@vger.kernel.org, Michal Marek In-Reply-To: <4F3E0C3D.4030307@ladisch.de> References: <1328531341-22705-1-git-send-email-alex.shi@intel.com> <4F311233.9070404@intel.com> <20120207144204.GA7214@kroah.com> <20120207172743.GA4780@xanatos> <20120207221317.GA6103@xanatos> <1328664392.12669.233.camel@debian> <1328682430.12669.443.camel@debian> <1328692300.12669.593.camel@debian> <20120214002030.GA10364@xanatos> <1329359801.12669.2872.camel@debian> <1329461087.12669.2911.camel@debian> <4F3E0C3D.4030307@ladisch.de> Content-Type: text/plain; charset="UTF-8" Date: Fri, 17 Feb 2012 16:46:58 +0800 Message-ID: <1329468418.12669.2988.camel@debian> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 600 Lines: 17 > The controller driver will need to know which of the multiple MSI-X > interrupts has been raised: > > irqreturn_t (*msix_irq)(struct usb_hcd *hcd, unsigned int nr_or_index); Actually, hcd has 2 object for msix, msix_count and msix_entries. Do you mean msix_count maybe smaller than we decide in hcd_setup_msix()? Which situation will make this? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/