Re: [PATCH v2 00/22] Use MSI chip framework to configure MSI/MSI-X in all platforms
From: Konrad Rzeszutek Wilk
Date: Thu Sep 25 2014 - 10:26:08 EST
On Thu, Sep 25, 2014 at 11:14:10AM +0800, Yijing Wang wrote:
> This series is based Bjorn's pci/msi branch
> git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git pci/msi
Is there a git tree for these patches?
>
> Currently, there are a lot of weak arch functions in MSI code.
> Thierry Reding Introduced MSI chip framework to configure MSI/MSI-X in arm.
> This series use MSI chip framework to refactor MSI code across all platforms
> to eliminate weak arch functions. Then all MSI irqs will be managed in a
> unified framework. Because this series changed a lot of ARCH MSI code,
> so tests in the platforms which MSI code modified are warmly welcomed!
>
> v1->v2:
> Add a patch to make s390 MSI code build happy between patch "x86/xen/MSI: E.."
> and "s390/MSI: Use MSI..". Fix several typo problems found by Lucas.
>
> RFC->v1:
> Updated "[patch 4/21] x86/xen/MSI: Eliminate...", export msi_chip instead
> of #ifdef to fix MSI bug in xen running in x86.
> Rename arch_get_match_msi_chip() to arch_find_msi_chip().
> Drop use struct device as the msi_chip argument, we will do that
> later in another patchset.
>
> Yijing Wang (22):
> PCI/MSI: Clean up struct msi_chip argument
> PCI/MSI: Remove useless bus->msi assignment
> MSI: Remove the redundant irq_set_chip_data()
> x86/xen/MSI: Eliminate arch_msix_mask_irq() and arch_msi_mask_irq()
> s390/MSI: Use __msi_mask_irq() instead of default_msi_mask_irq()
> PCI/MSI: Introduce weak arch_find_msi_chip() to find MSI chip
> PCI/MSI: Refactor struct msi_chip to make it become more common
> x86/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> x86/xen/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> Irq_remapping/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> x86/MSI: Remove unused MSI weak arch functions
> MIPS/Octeon/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> MIPS/Xlp: Remove the dead function destroy_irq() to fix build error
> MIPS/Xlp/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> MIPS/Xlr/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> Powerpc/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> s390/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> arm/iop13xx/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> IA64/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> Sparc/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> tile/MSI: Use MSI chip framework to configure MSI/MSI-X irq
> 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 | 9 ++-
> arch/arm/mach-iop13xx/pci.c | 6 ++
> arch/ia64/kernel/msi_ia64.c | 18 ++++-
> arch/mips/pci/msi-octeon.c | 35 ++++++----
> arch/mips/pci/msi-xlp.c | 18 ++++--
> arch/mips/pci/pci-xlr.c | 15 ++++-
> arch/powerpc/kernel/msi.c | 14 +++-
> arch/s390/pci/pci.c | 18 ++++-
> arch/sparc/kernel/pci.c | 14 +++-
> arch/tile/kernel/pci_gx.c | 14 +++-
> arch/x86/include/asm/apic.h | 4 +
> arch/x86/include/asm/pci.h | 4 +-
> arch/x86/include/asm/x86_init.h | 7 --
> arch/x86/kernel/apic/io_apic.c | 16 ++++-
> arch/x86/kernel/x86_init.c | 34 ---------
> arch/x86/pci/xen.c | 60 +++++++++-------
> drivers/iommu/irq_remapping.c | 9 ++-
> drivers/irqchip/irq-armada-370-xp.c | 8 +--
> drivers/pci/host/pci-tegra.c | 8 ++-
> drivers/pci/host/pcie-designware.c | 4 +-
> drivers/pci/host/pcie-rcar.c | 8 ++-
> drivers/pci/msi.c | 114 ++++++++++++++----------------
> drivers/pci/probe.c | 1 -
> include/linux/msi.h | 26 ++-----
> 27 files changed, 266 insertions(+), 202 deletions(-)
>
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