Hi Bjorn, Any comments before I post next version ? Regards, Tomasz On 11.03.2015 15:12, Tomasz Nowicki wrote:
MCFG ACPI table and PCI ECAM standard have no arch dependencies so it can be used across all architectures. Currently MMCONFIG related code resides in arch/x86 directories. This patch set is going to isolate non-architecture specific code and make it accessible for all architectures. v3 -> v4 changes: - bug fixes after kbuild test robot report - add asm/io.h header for ecam.c - rename mmcfg -> ecam for drivers/xen/pci.c and arch/x86/pci/numachip.c - rework Kconfig logic v2 -> v3 changes: - rebase patch set v2 to v4.0-rc1 v1 -> v2 changes: - use generic readb/readw etc. accessors instead of AMD Fam10h workaround - separate ACPI and ECAM code - improve ECAM code naming Tomasz Nowicki (9): x86, pci: Clean up comment about buggy MMIO config space access for AMD Fam10h CPUs. x86, pci: Abstract PCI config accessors and use AMD Fam10h workaround exclusively. x86, pci: Reorder logic of pci_mmconfig_insert() function x86, pci, acpi: Move arch-agnostic MMCONFIG (aka ECAM) and ACPI code out of arch/x86/ directory pci, acpi, mcfg: Provide generic implementation of MCFG code initialization. x86, pci: mmconfig_{32,64}.c code refactoring - remove code duplication. x86, pci, ecam: mmconfig_64.c becomes default implementation for ECAM driver. pci, acpi, mcfg: Share ACPI PCI config space accessors. pci, ecam: Improve naming for ecam.c content and areas where it is used. arch/x86/Kconfig | 4 + arch/x86/include/asm/pci_x86.h | 34 +--- arch/x86/pci/Makefile | 5 +- arch/x86/pci/acpi.c | 3 +- arch/x86/pci/mmconfig-shared.c | 346 +++++++++++---------------------------- arch/x86/pci/mmconfig_32.c | 47 ++---- arch/x86/pci/mmconfig_64.c | 153 ------------------ arch/x86/pci/numachip.c | 29 +--- drivers/acpi/Makefile | 1 + drivers/acpi/mcfg.c | 121 ++++++++++++++ drivers/pci/Kconfig | 10 ++ drivers/pci/Makefile | 5 + drivers/pci/ecam.c | 358 +++++++++++++++++++++++++++++++++++++++++ drivers/xen/pci.c | 7 +- include/linux/ecam.h | 56 +++++++ 15 files changed, 679 insertions(+), 500 deletions(-) delete mode 100644 arch/x86/pci/mmconfig_64.c create mode 100644 drivers/acpi/mcfg.c create mode 100644 drivers/pci/ecam.c create mode 100644 include/linux/ecam.h
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