Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751598AbdGZQT5 (ORCPT ); Wed, 26 Jul 2017 12:19:57 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:35656 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750893AbdGZQT4 (ORCPT ); Wed, 26 Jul 2017 12:19:56 -0400 Date: Wed, 26 Jul 2017 09:19:49 -0700 From: Greg KH To: Borislav Petkov Cc: Jan Glauber , Suzuki K Poulose , Mark Rutland , Will Deacon , linux-arm-kernel@lists.infradead.org, "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v8 1/3] perf: cavium: Support memory controller PMU counters Message-ID: <20170726161949.GB15426@kroah.com> References: <72145781-e9ec-036f-f752-b4756fef08ee@arm.com> <20170726111946.GA6273@hc> <20170726131058.GA8665@hc> <131179fe-42e7-f286-5bd4-801f4c93d5f9@arm.com> <20170726145522.GC28875@nazgul.tnic> <20170726151314.GA10696@hc> <20170726153502.GE28875@nazgul.tnic> <20170726154515.GA11453@hc> <20170726155548.GF28875@nazgul.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170726155548.GF28875@nazgul.tnic> User-Agent: Mutt/1.8.3 (2017-05-23) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 712 Lines: 20 On Wed, Jul 26, 2017 at 05:55:48PM +0200, Borislav Petkov wrote: > On Wed, Jul 26, 2017 at 05:45:15PM +0200, Jan Glauber wrote: > > The PMU/EDAC devices are all PCI devices do I need the 'struct pci_dev *'. > > I'm not aware of other ways to access these devices. Please enlighten > > me if I'm missing something. > > Me enlighten you on Cavium hardware?! You're funny. > > So I don't know whether the PCI hotplug code can run more than one > function upon PCI ID detection. Probably Greg will say, write a > multiplexer wrapper. :-) -ENOCONTEXT.... Anyway, pci questions are best asked on the linux-pci@vger list. And yes, all PCI devices end up with a 'struct pci_dev *' automatically. thanks, greg k-h