From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Nowicki Subject: [RFC PATCH 0/3] ECAM quirks handling for ARM64 platforms Date: Thu, 2 Jun 2016 10:41:00 +0200 Message-ID: <1464856864-18049-1-git-send-email-tn@semihalf.com> Return-path: Received: from mail-lf0-f46.google.com ([209.85.215.46]:36847 "EHLO mail-lf0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752062AbcFBIlz (ORCPT ); Thu, 2 Jun 2016 04:41:55 -0400 Received: by mail-lf0-f46.google.com with SMTP id b73so29111570lfb.3 for ; Thu, 02 Jun 2016 01:41:54 -0700 (PDT) Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: helgaas@kernel.org, arnd@arndb.de, will.deacon@arm.com, catalin.marinas@arm.com, rafael@kernel.org, hanjun.guo@linaro.org, Lorenzo.Pieralisi@arm.com, okaya@codeaurora.org, jchandra@broadcom.com Cc: robert.richter@caviumnetworks.com, mw@semihalf.com, Liviu.Dudau@arm.com, ddaney@caviumnetworks.com, wangyijing@huawei.com, 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, jcm@redhat.com, andrea.gallo@linaro.org, dhdang@apm.com, jeremy.linton@arm.com, liudongdong3@huawei.com, cov@codeaurora.org, Tomasz Nowicki This series bases on pending ACPI PCI support for ARM64: https://lkml.org/lkml/2016/5/30/468 Quirk handling relies on an idea of matching MCFG OEM ID and OEM revision (the ones from standard header of MCFG table). Linker section is used so that quirks can be registered using special macro (see patches) and kept self contained. As an example, last patch presents above mechanism usage for ThunderX PEM driver. Tomasz Nowicki (3): pci, acpi: Match PCI config space accessors against platfrom specific ECAM quirks. arm64, pci: Start using quirks handling for ACPI based PCI host controller. pci, pci-thunder-pem: Add ACPI support for ThunderX PEM. arch/arm64/kernel/pci.c | 7 +- drivers/acpi/pci_mcfg.c | 32 +++++++++ drivers/pci/host/pci-thunder-pem.c | 132 +++++++++++++++++++++++++++++++++---- include/asm-generic/vmlinux.lds.h | 7 ++ include/linux/pci-acpi.h | 19 ++++++ 5 files changed, 181 insertions(+), 16 deletions(-) -- 1.9.1