From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Salter Subject: Re: [RFC PATCH V5 0/5] ECAM quirks handling for ARM64 platforms Date: Mon, 08 Aug 2016 15:44:05 -0400 Message-ID: <1470685445.3551.37.camel@redhat.com> References: <1470661541-26270-1-git-send-email-tn@semihalf.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <1470661541-26270-1-git-send-email-tn@semihalf.com> Sender: linux-pci-owner@vger.kernel.org To: Tomasz Nowicki , helgaas@kernel.org, arnd@arndb.de, will.deacon@arm.com, catalin.marinas@arm.com, rafael@kernel.org, Lorenzo.Pieralisi@arm.com Cc: hanjun.guo@linaro.org, okaya@codeaurora.org, jchandra@broadcom.com, cov@codeaurora.org, dhdang@apm.com, ard.biesheuvel@linaro.org, robert.richter@caviumnetworks.com, mw@semihalf.com, Liviu.Dudau@arm.com, ddaney@caviumnetworks.com, wangyijing@huawei.com, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linaro-acpi@lists.linaro.org, jcm@redhat.com, andrea.gallo@linaro.org, jeremy.linton@arm.com, liudongdong3@huawei.com, gabriele.paoloni@huawei.com, jhugo@codeaurora.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-acpi@vger.kernel.org On Mon, 2016-08-08 at 15:05 +0200, Tomasz Nowicki wrote: > Quirk handling relies on an idea of matching MCFG OEM ID, TABLE ID and > revision (the ones from standard header of MCFG table). > > Static array is used to keep quirk entries. Each entry consists of > mentioned MCFG IDs along with custom pci_ops structure and initialization call. > > As an example, the last patch presents quirk handling mechanism usage for > ThunderX PEM driver. > > v4 -> v5 > - rebase against v4.8-rc1 > - rework to exact MCFG OEM ID, TABLE ID, rev match >   - use memcmp instead of strncmp >   - no substring match > - fix typos and dmesg message > > Tomasz Nowicki (5): >   PCI: Embed pci_ecam_ops in pci_config_window structure >   PCI/ACPI: Move ACPI ECAM mapping to generic MCFG driver >   PCI: Check platform specific ECAM quirks >   ARM64/PCI: Start using quirks handling for ACPI based PCI host >     controller >   PCI: thunder-pem: Support quirky configuration space access for ACPI >     based PCI host controller > >  arch/arm64/kernel/pci.c            | 42 +---------------- >  drivers/acpi/pci_mcfg.c            | 40 ++++++++++++++++ >  drivers/pci/ecam.c                 |  6 +-- >  drivers/pci/host/Makefile          |  1 + >  drivers/pci/host/mcfg-quirks.c     | 93 ++++++++++++++++++++++++++++++++++++ >  drivers/pci/host/mcfg-quirks.h     | 24 ++++++++++ >  drivers/pci/host/pci-thunder-pem.c | 96 ++++++++++++++++++++++++++++++++------ >  include/linux/pci-acpi.h           |  5 ++ >  include/linux/pci-ecam.h           |  2 +- >  9 files changed, 252 insertions(+), 57 deletions(-) >  create mode 100644 drivers/pci/host/mcfg-quirks.c >  create mode 100644 drivers/pci/host/mcfg-quirks.h > Tested-by: Mark Salter