From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [RFC PATCH 1/2] PCI/ACPI: Add ACPI support for non ECAM Host Bridge Controllers Date: Fri, 04 Dec 2015 22:34:31 +0100 Message-ID: <2425021.SWJx48r3Ls@wuerfel> References: <1449155999-220955-1-git-send-email-gabriele.paoloni@huawei.com> <5018756.5lEEeJVMod@wuerfel> <5661FB9B.20201@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <5661FB9B.20201@arm.com> Sender: linux-pci-owner@vger.kernel.org To: Jeremy Linton Cc: linux-arm-kernel@lists.infradead.org, liguozhu@hisilicon.com, Lorenzo Pieralisi , Gabriele Paoloni , linaro-acpi@lists.linaro.org, catalin.marinas@arm.com, Liviu.Dudau@arm.com, linux-kernel@vger.kernel.org, will.deacon@arm.com, linux-acpi@vger.kernel.org, wangzhou1@hisilicon.com, hanjun.guo@linaro.org, liudongdong3@huawei.com, linux-pci@vger.kernel.org, wangyijing@huawei.com, tn@semihalf.com, tglx@linutronix.de, xuwei5@hisilicon.com, bhelgaas@google.com, jiang.liu@linux.intel.com List-Id: linux-acpi@vger.kernel.org On Friday 04 December 2015 14:46:19 Jeremy Linton wrote: > On 12/03/2015 02:58 PM, Arnd Bergmann wrote: > > On Thursday 03 December 2015 17:58:26 Lorenzo Pieralisi wrote: > >> I will put together a proposal to define the way we specify HID and > >> related DSD properties for PCI host controllers and send it to > >> the ACPI working group for review. > > > > That also requires a change to SBSA, right? Today, SBSA assumes that > > we have a standard PCI host that will work with any hardware independent > > PCI implementation in an OS. We either have to give up on SBSA saying > > much about how PCI hosts are implemented, or stop assuming that hardware > > is SBSA compliant. > > Which would be standardizing nonstandard hardware. It would surprise me > if that got much traction. What do you suggest instead? Arnd