From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Masters Subject: Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. Date: Tue, 22 Dec 2015 11:36:38 -0500 Message-ID: <56797C16.2020802@redhat.com> References: <1450278993-12664-1-git-send-email-tn@semihalf.com> <1450278993-12664-23-git-send-email-tn@semihalf.com> <201512211510.32029.arnd@arndb.de> <335CDE2E-B588-43A8-8665-6023AFD0EA04@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com ([209.132.183.28]:33673 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752673AbbLVQhF (ORCPT ); Tue, 22 Dec 2015 11:37:05 -0500 In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Gabriele Paoloni , Arnd Bergmann Cc: Tomasz Nowicki , "bhelgaas@google.com" , "will.deacon@arm.com" , "catalin.marinas@arm.com" , "rjw@rjwysocki.net" , "hanjun.guo@linaro.org" , "Lorenzo.Pieralisi@arm.com" , "okaya@codeaurora.org" , "jiang.liu@linux.intel.com" , "Stefano.Stabellini@eu.citrix.com" , "robert.richter@caviumnetworks.com" , "mw@semihalf.com" , "Liviu.Dudau@arm.com" , "ddaney@caviumnetworks.com" , "tglx@linutronix.de" , Wangyijing , "Suravee.Suthikulpanit@amd.com" On 12/22/2015 04:29 AM, Gabriele Paoloni wrote: > Hi Jon, thanks for replying > >> -----Original Message----- >> From: Jon Masters [mailto:jcm@redhat.com] >> Sent: 21 December 2015 23:11 >> To: Arnd Bergmann >> Cc: Gabriele Paoloni; Tomasz Nowicki; bhelgaas@google.com; >> will.deacon@arm.com; catalin.marinas@arm.com; rjw@rjwysocki.net; >> hanjun.guo@linaro.org; Lorenzo.Pieralisi@arm.com; okaya@codeaurora.org; >> jiang.liu@linux.intel.com; Stefano.Stabellini@eu.citrix.com; >> robert.richter@caviumnetworks.com; mw@semihalf.com; Liviu.Dudau@arm.com; >> ddaney@caviumnetworks.com; tglx@linutronix.de; Wangyijing; >> Suravee.Suthikulpanit@amd.com; msalter@redhat.com; linux- >> pci@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux- >> acpi@vger.kernel.org; linux-kernel@vger.kernel.org; linaro- >> acpi@lists.linaro.org; jchandra@broadcom.com >> Subject: Re: [PATCH V2 22/23] pci, acpi: Match PCI config space >> accessors against platfrom specific quirks. >> >> Sorry for top-posting. A quick note that SMBIOS3 is required by SBBR so >> it can be presumed that compliant platforms will provide quirks via DMI. > > Ok so you completely clarified my question 1). Many Thanks for this No problem. One of the (many) reasons I pushed for requiring SMBIOS/DMI in SBBR (I was lead author of one of the early drafts of that document) was to make the experience ultimately equivalent across architectures. We already know how to do quirks and handle platform deviations, and the major Operating System vendors did not want to reinvent the wheel. Jon. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <56797C16.2020802@redhat.com> Date: Tue, 22 Dec 2015 11:36:38 -0500 From: Jon Masters MIME-Version: 1.0 To: Gabriele Paoloni , Arnd Bergmann CC: Tomasz Nowicki , "bhelgaas@google.com" , "will.deacon@arm.com" , "catalin.marinas@arm.com" , "rjw@rjwysocki.net" , "hanjun.guo@linaro.org" , "Lorenzo.Pieralisi@arm.com" , "okaya@codeaurora.org" , "jiang.liu@linux.intel.com" , "Stefano.Stabellini@eu.citrix.com" , "robert.richter@caviumnetworks.com" , "mw@semihalf.com" , "Liviu.Dudau@arm.com" , "ddaney@caviumnetworks.com" , "tglx@linutronix.de" , Wangyijing , "Suravee.Suthikulpanit@amd.com" , "msalter@redhat.com" , "linux-pci@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-acpi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linaro-acpi@lists.linaro.org" , "jchandra@broadcom.com" Subject: Re: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. References: <1450278993-12664-1-git-send-email-tn@semihalf.com> <1450278993-12664-23-git-send-email-tn@semihalf.com> <201512211510.32029.arnd@arndb.de> <335CDE2E-B588-43A8-8665-6023AFD0EA04@redhat.com> In-Reply-To: Content-Type: text/plain; charset=windows-1252 Sender: linux-acpi-owner@vger.kernel.org List-ID: On 12/22/2015 04:29 AM, Gabriele Paoloni wrote: > Hi Jon, thanks for replying > >> -----Original Message----- >> From: Jon Masters [mailto:jcm@redhat.com] >> Sent: 21 December 2015 23:11 >> To: Arnd Bergmann >> Cc: Gabriele Paoloni; Tomasz Nowicki; bhelgaas@google.com; >> will.deacon@arm.com; catalin.marinas@arm.com; rjw@rjwysocki.net; >> hanjun.guo@linaro.org; Lorenzo.Pieralisi@arm.com; okaya@codeaurora.org; >> jiang.liu@linux.intel.com; Stefano.Stabellini@eu.citrix.com; >> robert.richter@caviumnetworks.com; mw@semihalf.com; Liviu.Dudau@arm.com; >> ddaney@caviumnetworks.com; tglx@linutronix.de; Wangyijing; >> Suravee.Suthikulpanit@amd.com; msalter@redhat.com; linux- >> pci@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux- >> acpi@vger.kernel.org; linux-kernel@vger.kernel.org; linaro- >> acpi@lists.linaro.org; jchandra@broadcom.com >> Subject: Re: [PATCH V2 22/23] pci, acpi: Match PCI config space >> accessors against platfrom specific quirks. >> >> Sorry for top-posting. A quick note that SMBIOS3 is required by SBBR so >> it can be presumed that compliant platforms will provide quirks via DMI. > > Ok so you completely clarified my question 1). Many Thanks for this No problem. One of the (many) reasons I pushed for requiring SMBIOS/DMI in SBBR (I was lead author of one of the early drafts of that document) was to make the experience ultimately equivalent across architectures. We already know how to do quirks and handle platform deviations, and the major Operating System vendors did not want to reinvent the wheel. Jon. From mboxrd@z Thu Jan 1 00:00:00 1970 From: jcm@redhat.com (Jon Masters) Date: Tue, 22 Dec 2015 11:36:38 -0500 Subject: [PATCH V2 22/23] pci, acpi: Match PCI config space accessors against platfrom specific quirks. In-Reply-To: References: <1450278993-12664-1-git-send-email-tn@semihalf.com> <1450278993-12664-23-git-send-email-tn@semihalf.com> <201512211510.32029.arnd@arndb.de> <335CDE2E-B588-43A8-8665-6023AFD0EA04@redhat.com> Message-ID: <56797C16.2020802@redhat.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 12/22/2015 04:29 AM, Gabriele Paoloni wrote: > Hi Jon, thanks for replying > >> -----Original Message----- >> From: Jon Masters [mailto:jcm at redhat.com] >> Sent: 21 December 2015 23:11 >> To: Arnd Bergmann >> Cc: Gabriele Paoloni; Tomasz Nowicki; bhelgaas at google.com; >> will.deacon at arm.com; catalin.marinas at arm.com; rjw at rjwysocki.net; >> hanjun.guo at linaro.org; Lorenzo.Pieralisi at arm.com; okaya at codeaurora.org; >> jiang.liu at linux.intel.com; Stefano.Stabellini at eu.citrix.com; >> robert.richter at caviumnetworks.com; mw at semihalf.com; Liviu.Dudau at arm.com; >> ddaney at caviumnetworks.com; tglx at linutronix.de; Wangyijing; >> Suravee.Suthikulpanit at amd.com; msalter at redhat.com; linux- >> pci at vger.kernel.org; linux-arm-kernel at lists.infradead.org; linux- >> acpi at vger.kernel.org; linux-kernel at vger.kernel.org; linaro- >> acpi at lists.linaro.org; jchandra at broadcom.com >> Subject: Re: [PATCH V2 22/23] pci, acpi: Match PCI config space >> accessors against platfrom specific quirks. >> >> Sorry for top-posting. A quick note that SMBIOS3 is required by SBBR so >> it can be presumed that compliant platforms will provide quirks via DMI. > > Ok so you completely clarified my question 1). Many Thanks for this No problem. One of the (many) reasons I pushed for requiring SMBIOS/DMI in SBBR (I was lead author of one of the early drafts of that document) was to make the experience ultimately equivalent across architectures. We already know how to do quirks and handle platform deviations, and the major Operating System vendors did not want to reinvent the wheel. Jon.