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Message-ID: <57A9A06A.30907@huawei.com>
Date: Tue, 9 Aug 2016 17:20:42 +0800
From: Dongdong Liu <liudongdong3@...wei.com>
To: Tomasz Nowicki <tn@...ihalf.com>, <helgaas@...nel.org>,
<arnd@...db.de>, <will.deacon@....com>, <catalin.marinas@....com>,
<rafael@...nel.org>, <Lorenzo.Pieralisi@....com>
CC: <hanjun.guo@...aro.org>, <okaya@...eaurora.org>,
<jchandra@...adcom.com>, <cov@...eaurora.org>, <dhdang@....com>,
<ard.biesheuvel@...aro.org>, <robert.richter@...iumnetworks.com>,
<mw@...ihalf.com>, <Liviu.Dudau@....com>,
<ddaney@...iumnetworks.com>, <wangyijing@...wei.com>,
<msalter@...hat.com>, <linux-pci@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linaro-acpi@...ts.linaro.org>, <jcm@...hat.com>,
<andrea.gallo@...aro.org>, <jeremy.linton@....com>,
<gabriele.paoloni@...wei.com>, <jhugo@...eaurora.org>,
<linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Linuxarm <linuxarm@...wei.com>
Subject: Re: [RFC PATCH V5 0/5] ECAM quirks handling for ARM64 platforms
在 2016/8/8 21:05, Tomasz Nowicki 写道:
> 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
>
Based on the patchset, tested on HiSilicon D03 board with intel 82599 net card. It worked OK.
Tested-by: Dongdong Liu <liudongdong3@...wei.com>
Thanks
Dongdong
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