linux-kernel - [RFC PATCH 00/20] Use msi_chip to configure MSI/MSI-X in all platforms

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Date:	Tue, 12 Aug 2014 15:25:53 +0800
From:	Yijing Wang <wangyijing@...wei.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
CC:	<linux-kernel@...r.kernel.org>, Xinwei Hu <huxinwei@...wei.com>,
	Wuyun <wuyun.wu@...wei.com>, <linux-pci@...r.kernel.org>,
	Marc Zyngier <marc.zyngier@....com>,
	<linux-arm-kernel@...ts.infradead.org>,
	Russell King <linux@....linux.org.uk>,
	<arnab.basu@...escale.com>, <x86@...nel.org>,
	"Arnd Bergmann" <arnd@...db.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	<xen-devel@...ts.xenproject.org>, Joerg Roedel <joro@...tes.org>,
	<iommu@...ts.linux-foundation.org>, <linux-mips@...ux-mips.org>,
	"Benjamin Herrenschmidt" <benh@...nel.crashing.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-s390@...r.kernel.org>,
	Sebastian Ott <sebott@...ux.vnet.ibm.com>,
	"Tony Luck" <tony.luck@...el.com>, <linux-ia64@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	<sparclinux@...r.kernel.org>, Chris Metcalf <cmetcalf@...era.com>,
	Yijing Wang <wangyijing@...wei.com>
Subject: [RFC PATCH 00/20] Use msi_chip to configure MSI/MSI-X in all platforms

This series is mainly to use msi_chip instead of currently weak arch functions
across all platforms. Also clean up current MSI code and make drivers support
MSI easier.  

Yijing Wang (20):
  x86/xen/MSI: Eliminate arch_msix_mask_irq() and arch_msi_mask_irq()
  MSI: Clean up struct msi_chip argument
  PCI/MSI: Remove useless bus->msi assignment
  MSI: Remove the redundant irq_set_chip_data()
  MSI: Refactor struct msi_chip to become more common
  PCI/MSI: Introduce arch_get_match_msi_chip() to find the match
    msi_chip
  x86/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
  x86/xen/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
  irq_remapping/MSI: Use msi_chip instead of arch func to configure
    MSI/MSI-X
  x86/MSI: Remove unused MSI weak arch functions
  MIPS/Octeon/MSI: Use msi_chip instead of arch func to configure
    MSI/MSI-X
  MIPS/Xlp/MSI: Use msi_chip instead of arch func to configure
    MSI/MSI-X
  MIPS/xlr/MSI: Use msi_chip instead of arch func to configure
    MSI/MSI-X
  Powerpc/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
  s390/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
  arm/iop13xx/MSI: Use msi_chip instead of arch func to configure
    MSI/MSI-X
  IA64/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
  Sparc/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
  tile/MSI: Use msi_chip instead of arch func to configure MSI/MSI-X
  PCI/MSI: Clean up unused MSI arch functions

 arch/arm/mach-iop13xx/include/mach/pci.h |    2 +
 arch/arm/mach-iop13xx/iq81340mc.c        |    1 +
 arch/arm/mach-iop13xx/iq81340sc.c        |    1 +
 arch/arm/mach-iop13xx/msi.c              |   14 +++-
 arch/arm/mach-iop13xx/pci.c              |    6 ++
 arch/ia64/kernel/msi_ia64.c              |   18 +++-
 arch/mips/pci/msi-octeon.c               |   45 ++++------
 arch/mips/pci/msi-xlp.c                  |   15 +++-
 arch/mips/pci/pci-xlr.c                  |   19 +++-
 arch/powerpc/kernel/msi.c                |   23 ++++--
 arch/s390/pci/pci.c                      |   16 +++-
 arch/sparc/kernel/pci.c                  |   18 +++-
 arch/tile/kernel/pci_gx.c                |   20 +++-
 arch/x86/include/asm/pci.h               |    4 +-
 arch/x86/include/asm/x86_init.h          |    3 -
 arch/x86/kernel/apic/io_apic.c           |   35 +++++++-
 arch/x86/kernel/x86_init.c               |   34 -------
 arch/x86/pci/xen.c                       |  139 ++++++++++++++++--------------
 drivers/iommu/irq_remapping.c            |   13 ++-
 drivers/irqchip/irq-armada-370-xp.c      |   12 +--
 drivers/pci/host/pci-tegra.c             |    9 ++-
 drivers/pci/host/pcie-designware.c       |    6 +-
 drivers/pci/host/pcie-rcar.c             |    9 ++-
 drivers/pci/msi.c                        |  118 ++++++++++++--------------
 drivers/pci/probe.c                      |    1 -
 include/linux/msi.h                      |   13 ++--
 26 files changed, 338 insertions(+), 256 deletions(-)

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