PCI changes for v3.14
Bjorn Helgaas
maintainerThe following changes since commit f0b75693cbb26439ba959ba7d3b4f43e2fcf3da6:
MAINTAINERS: Add DesignWare, i.MX6, Armada, R-Car PCI host maintainers (2013-12-11 10:40:59 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git tags/pci-v3.14-changes
for you to fetch changes up to cef09b808e584c13b7126b83dc37c80b00234137:
Merge branch 'eisa' into next (2014-01-18 07:30:25 -0700)
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PCI changes for the v3.14 merge window:
Resource management
- Change pci_bus_region addresses to dma_addr_t (Bjorn Helgaas)
- Support 64-bit AGP BARs (Bjorn Helgaas, Yinghai Lu)
- Add pci_bus_address() to get bus address of a BAR (Bjorn Helgaas)
- Use pci_resource_start() for CPU address of AGP BARs (Bjorn Helgaas)
- Enforce bus address limits in resource allocation (Yinghai Lu)
- Allocate 64-bit BARs above 4G when possible (Yinghai Lu)
- Convert pcibios_resource_to_bus() to take pci_bus, not pci_dev (Yinghai Lu)
PCI device hotplug
- Major rescan/remove locking update (Rafael J. Wysocki)
- Make ioapic builtin only (not modular) (Yinghai Lu)
- Fix release/free issues (Yinghai Lu)
- Clean up pciehp (Bjorn Helgaas)
- Announce pciehp slot info during enumeration (Bjorn Helgaas)
MSI
- Add pci_msi_vec_count(), pci_msix_vec_count() (Alexander Gordeev)
- Add pci_enable_msi_range(), pci_enable_msix_range() (Alexander Gordeev)
- Deprecate "tri-state" interfaces: fail/success/fail+info (Alexander Gordeev)
- Export MSI mode using attributes, not kobjects (Greg Kroah-Hartman)
- Drop "irq" param from *_restore_msi_irqs() (DuanZhenzhong)
SR-IOV
- Clear NumVFs when disabling SR-IOV in sriov_init() (ethan.zhao)
Virtualization
- Add support for save/restore of extended capabilities (Alex Williamson)
- Add Virtual Channel to save/restore support (Alex Williamson)
- Never treat a VF as a multifunction device (Alex Williamson)
- Add pci_try_reset_function(), et al (Alex Williamson)
AER
- Ignore non-PCIe error sources (Betty Dall)
- Support ACPI HEST error sources for domains other than 0 (Betty Dall)
- Consolidate HEST error source parsers (Bjorn Helgaas)
- Add a TLP header print helper (Borislav Petkov)
Freescale i.MX6
- Remove unnecessary code (Fabio Estevam)
- Make reset-gpio optional (Marek Vasut)
- Report "link up" only after link training completes (Marek Vasut)
- Start link in Gen1 before negotiating for Gen2 mode (Marek Vasut)
- Fix PCIe startup code (Richard Zhu)
Marvell MVEBU
- Remove duplicate of_clk_get_by_name() call (Andrew Lunn)
- Drop writes to bridge Secondary Status register (Jason Gunthorpe)
- Obey bridge PCI_COMMAND_MEM and PCI_COMMAND_IO bits (Jason Gunthorpe)
- Support a bridge with no IO port window (Jason Gunthorpe)
- Use max_t() instead of max(resource_size_t,) (Jingoo Han)
- Remove redundant of_match_ptr (Sachin Kamat)
- Call pci_ioremap_io() at startup instead of dynamically (Thomas Petazzoni)
NVIDIA Tegra
- Disable Gen2 for Tegra20 and Tegra30 (Eric Brower)
Renesas R-Car
- Add runtime PM support (Valentine Barshak)
- Fix rcar_pci_probe() return value check (Wei Yongjun)
Synopsys DesignWare
- Fix crash in dw_msi_teardown_irq() (Bjørn Erik Nilsen)
- Remove redundant call to pci_write_config_word() (Bjørn Erik Nilsen)
- Fix missing MSI IRQs (Harro Haan)
- Add dw_pcie prefix before cfg_read/write (Pratyush Anand)
- Fix I/O transfers by using CPU (not realio) address (Pratyush Anand)
- Whitespace cleanup (Jingoo Han)
EISA
- Call put_device() if device_register() fails (Levente Kurusa)
- Revert EISA initialization breakage ((Bjorn Helgaas)
Miscellaneous
- Remove unused code, including PCIe 3.0 interfaces (Stephen Hemminger)
- Prevent bus conflicts while checking for bridge apertures (Bjorn Helgaas)
- Stop clearing bridge Secondary Status when setting up I/O aperture (Bjorn Helgaas)
- Use dev_is_pci() to identify PCI devices (Yijing Wang)
- Deprecate DEFINE_PCI_DEVICE_TABLE (Joe Perches)
- Update documentation 00-INDEX (Erik Ekman)
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Alex Williamson (7):
PCI: Add pci_wait_for_pending() (refactor pci_wait_for_pending_transaction())
PCI: Add support for save/restore of extended capabilities
PCI: Add Virtual Channel to save/restore support
PCI: Rename PCI_VC_PORT_REG1/2 to PCI_VC_PORT_CAP1/2
PCI: Never treat a VF as a multifunction device
PCI: Add pci_try_reset_function(), pci_try_reset_slot(), pci_try_reset_bus()
vfio-pci: Use pci "try" reset interface
Alexander Gordeev (9):
s390/PCI: Fix single MSI only check
s390/PCI: Remove superfluous check of MSI type
PCI/MSI: Return msix_capability_init() failure if populate_msi_sysfs() fails PCI/MSI: Return -ENOSYS for unimplemented interfaces, not -1 PCI/MSI: Make pci_enable_msi/msix() 'nvec' argument type as int PCI/MSI: Add pci_msi_vec_count()
PCI/MSI: Remove pci_enable_msi_block_auto()
PCI/MSI: Add pci_msix_vec_count()
PCI/MSI: Add pci_enable_msi_range() and pci_enable_msix_range()
Andrew Lunn (1):
PCI: mvebu: Remove duplicate of_clk_get_by_name() call
Betty Dall (3):
PCI/AER: Ignore non-PCIe AER error sources in aer_hest_parse()
ACPICA: Add helper macros to extract bus/segment numbers from HEST table. PCI/AER: Support ACPI HEST AER error sources for PCI domains other than 0
Bjorn Helgaas (61):
PCI: designware: Use typical "for" loop idiom
PCI: Prevent bus conflicts while checking for bridge apertures
PCI: Stop clearing bridge Secondary Status when setting up I/O aperture Merge branch 'for-linus' into next
Merge branch 'pci/misc' into next
Merge branch 'pci/yijing-dev_is_pci' into next
PCI/AER: Consolidate HEST error source parsers
PCI: pciehp: Drop pciehp_readw()/pciehp_writew() wrappers
PCI: pciehp: Remove error checks when accessing PCIe Capability
PCI: pciehp: Make various functions void since they can't fail
PCI: pciehp: Announce slot capabilities (slot #, button, LEDs, etc)
PCI: pciehp: Simplify "Power Fault Detected" checking/clearing
PCI: pciehp: Use symbolic constants, not hard-coded bitmask
PCI: pciehp: Use symbolic constants for Slot Control fields
PCI: pciehp: Move Attention & Power Indicator support tests to accessors Merge branch 'eisa' into next
Merge branch 'pci/aer' into next
Merge branch 'pci/deletion' into next
Merge branch 'pci/host-designware' into next
Merge branch 'pci/host-imx6' into next
Merge branch 'pci/host-mvebu' into next
Merge branch 'pci/host-rcar' into next
Merge branch 'pci/host-tegra' into next
Merge branch 'pci/pciehp' into next
Merge branch 'pci/vc' into next
PCI/portdrv: Cleanup error paths
PCI/portdrv: Remove extra get_device()/put_device() for pcie_device Merge branch 'pci/host-imx6' into next
Merge branch 'pci/host-mvebu' into next
Merge branch 'pci/host-designware' into next
Merge branch 'pci/deletion' into next
Merge branch 'pci/msi' into next
Merge branch 'pci/misc' into next
PCI: Change pci_bus_region addresses to dma_addr_t
PCI: Add pci_bus_address() to get bus address of a BAR
agp: Support 64-bit APBASE
agp: Use pci_resource_start() to get CPU physical address for BAR drm/i915: Rename gtt_bus_addr to gtt_phys_addr
agp/intel: Rename gtt_bus_addr to gtt_phys_addr
agp/intel: Use pci_bus_address() to get MMADR bus address agp/intel: Use pci_bus_address() to get GTTADR bus address agp/intel: Use CPU physical address, not bus address, for ioremap() agp/ati: Use PCI_COMMAND instead of hard-coded 4
PCI: Split out bridge window override of minimum allocation address Merge branch 'pci/host-designware' into next
Merge branch 'pci/host-mvebu' into next
Merge branch 'pci/misc' into next
Merge branch 'pci/msi' into next
Merge branch 'pci/resource' into next
Merge branch 'pci/aer' into next
Merge branch 'pci/dead-code' into next
PCI: Reorder so actual code comes before stubs
PCI: Cleanup pci.h whitespace
Merge branch 'pci/ifndefs' into next
PCI: Fix pci_check_and_unmask_intx() comment typos
Merge branch 'pci/misc' into next
Merge branch 'pci/locking' into next
Merge branch 'pci/reset' into next
Revert "EISA: Log device resources in dmesg"
Revert "EISA: Initialize device before its resources"
Merge branch 'eisa' into next
Bjørn Erik Nilsen (2):
PCI: designware: Fix crash in dw_msi_teardown_irq()
PCI: designware: Remove redundant call to pci_write_config_word()
Borislav Petkov (2):
PCI/AER: Add a TLP header print helper
PCI/AER: Clean up error printing code a bit
DuanZhenzhong (1):
PCI: Drop "irq" param from *_restore_msi_irqs()
Eric Brower (1):
PCI: Disable Gen2 for Tegra20 and Tegra30
Erik Ekman (1):
PCI: Update documentation 00-INDEX file
Fabio Estevam (2):
PCI: imx6: Remove unneeded check of platform_get_resource()
PCI: imx6: Remove unneeded 'goto err'
Geert Uytterhoeven (1):
PCI/portdrv: Remove superfluous name cast
Greg Kroah-Hartman (1):
PCI/MSI: Export MSI mode using attributes, not kobjects
Harro Haan (1):
PCI: designware: Fix missing MSI IRQs
Jason Gunthorpe (3):
PCI: mvebu: Drop writes to bridge Secondary Status register
PCI: mvebu: Obey bridge PCI_COMMAND_MEM and PCI_COMMAND_IO bits
PCI: mvebu: Support a bridge with no IO port window
Jingoo Han (2):
PCI: mvebu: Use max_t() instead of max(resource_size_t,)
PCI: designware: Fix indent code style
Joe Perches (1):
PCI/checkpatch: Deprecate DEFINE_PCI_DEVICE_TABLE
Levente Kurusa (2):
EISA: Call put_device() if device_register() fails PCI/portdrv: Add put_device() after device_register() failure
Marek Vasut (5):
PCI: imx6: Make reset-gpio optional
PCI: imx6: Report "link up" only after link training completes
PCI: imx6: Factor out PHY reset
PCI: imx6: Factor out link up wait loop
PCI: imx6: Start link in Gen1 before negotiating for Gen2 mode
Pratyush Anand (2):
PCI: designware: Add dw_pcie prefix before cfg_read/write
PCI: designware: Fix I/O transfers by using CPU (not realio) address
Rafael J. Wysocki (11):
PCI: Move device_del() from pci_stop_dev() to pci_destroy_dev()
PCI: Add global pci_lock_rescan_remove()
ACPI / PCI: Use global PCI rescan-remove locking in PCI root hotplug ACPI / hotplug / PCI: Use global PCI rescan-remove locking
pcmcia: Use global PCI rescan-remove locking
PCI: hotplug: Use global PCI rescan-remove locking platform / x86: Use global PCI rescan-remove locking
MPT / PCI: Use pci_stop_and_remove_bus_device_locked() powerpc/eeh: Use global PCI rescan-remove locking xen/pcifront: Use global PCI rescan-remove locking
PCI: Check parent kobject in pci_destroy_dev()
Richard Zhu (1):
PCI: imx6: Fix bugs in PCIe startup code
Sachin Kamat (1):
PCI: mvebu: Remove redundant of_match_ptr
Stephen Hemminger (9):
PCI: Removed unused parts of Page Request Interface support
PCI: Remove unused Latency Tolerance Reporting support
PCI: Remove unused Optimized Buffer Flush/Fill support
PCI: Remove unused ID-Based Ordering support
PCI: Remove unused pci_vpd_truncate()
PCI: Remove unused pcie_aspm_enabled()
PCI: Remove unused pci_renumber_slot()
PCI: Remove unused alloc_pci_dev()
PCI: Make local functions static
Thomas Petazzoni (1):
PCI: mvebu: Call pci_ioremap_io() at startup instead of dynamically
Valentine Barshak (1):
PCI: rcar: Add runtime PM support
Wei Yongjun (1):
PCI: rcar: Fix rcar_pci_probe() return value check
Yijing Wang (8):
PCI: Use dev_is_pci() to identify PCI devices x86/PCI: Use dev_is_pci() to identify PCI devices ia64/PCI: Use dev_is_pci() to identify PCI devices sparc/PCI: Use dev_is_pci() to identify PCI devices parisc/PCI: Use dev_is_pci() to identify PCI devices arm/PCI: Use dev_is_pci() to identify PCI devices arm/PCI: Use dev_is_pci() to identify PCI devices alpha/PCI: Use dev_is_pci() to identify PCI devices
Yinghai Lu (8):
PCI: Use device_release_driver() in pci_stop_root_bus()
PCI: Move pci_proc_attach_device() to pci_bus_add_device()
PCI: Remove from bus_list and release resources in pci_release_dev()
PCI: Convert pcibios_resource_to_bus() to take a pci_bus, not a pci_dev
PCI: Convert ioapic to be builtin only, not modular agp/intel: Support 64-bit GMADR
PCI: Enforce bus address limits in resource allocation
PCI: Allocate 64-bit BARs above 4G when possible
ethan.zhao (1):
PCI: Clear NumVFs when disabling SR-IOV in sriov_init()
Documentation/ABI/testing/sysfs-bus-pci | 11 +- Documentation/PCI/00-INDEX | 4 +- Documentation/PCI/MSI-HOWTO.txt | 308 ++++++++---- Documentation/PCI/pci.txt | 6 +- .../devicetree/bindings/pci/designware-pcie.txt | 2 + arch/alpha/kernel/pci-sysfs.c | 4 +- arch/alpha/kernel/pci_iommu.c | 2 +- arch/arm/common/it8152.c | 4 +- arch/arm/mach-ixp4xx/common-pci.c | 6 +- arch/ia64/hp/common/sba_iommu.c | 2 +- arch/ia64/sn/pci/pci_dma.c | 24 +- arch/parisc/kernel/drivers.c | 22 +- arch/powerpc/kernel/eeh_driver.c | 19 +- arch/powerpc/kernel/pci-common.c | 4 +- arch/powerpc/kernel/pci_of_scan.c | 4 +- arch/s390/pci/pci.c | 4 +- arch/sparc/kernel/iommu.c | 2 +- arch/sparc/kernel/ioport.c | 5 +- arch/sparc/kernel/pci.c | 6 +- arch/x86/include/asm/pci.h | 3 +- arch/x86/include/asm/x86_init.h | 2 +- arch/x86/kernel/acpi/boot.c | 4 +- arch/x86/kernel/x86_init.c | 4 +- arch/x86/pci/xen.c | 2 +- drivers/acpi/pci_root.c | 6 + drivers/ata/ahci.c | 56 ++- drivers/char/agp/agp.h | 1 + drivers/char/agp/ali-agp.c | 4 +- drivers/char/agp/amd-k7-agp.c | 12 +- drivers/char/agp/amd64-agp.c | 5 +- drivers/char/agp/ati-agp.c | 21 +- drivers/char/agp/efficeon-agp.c | 5 +- drivers/char/agp/generic.c | 4 +- drivers/char/agp/intel-agp.c | 48 +- drivers/char/agp/intel-agp.h | 10 +- drivers/char/agp/intel-gtt.c | 47 +- drivers/char/agp/nvidia-agp.c | 9 +- drivers/char/agp/sis-agp.c | 5 +- drivers/char/agp/via-agp.c | 13 +- drivers/eisa/eisa-bus.c | 31 +- drivers/gpu/drm/i915/i915_gem_gtt.c | 6 +- drivers/message/fusion/mptbase.c | 2 +- drivers/pci/Kconfig | 3 +- drivers/pci/Makefile | 2 +- drivers/pci/access.c | 24 - drivers/pci/ats.c | 82 ---- drivers/pci/bus.c | 133 +++-- drivers/pci/host-bridge.c | 19 +- drivers/pci/host/pci-exynos.c | 5 +- drivers/pci/host/pci-imx6.c | 225 ++++++--- drivers/pci/host/pci-mvebu.c | 99 ++-- drivers/pci/host/pci-rcar-gen2.c | 12 +- drivers/pci/host/pci-tegra.c | 2 +- drivers/pci/host/pcie-designware.c | 91 ++-- drivers/pci/host/pcie-designware.h | 4 +- drivers/pci/hotplug/acpiphp.h | 5 +- drivers/pci/hotplug/acpiphp_core.c | 2 +- drivers/pci/hotplug/acpiphp_glue.c | 43 +- drivers/pci/hotplug/cpci_hotplug_pci.c | 14 +- drivers/pci/hotplug/cpqphp_pci.c | 8 +- drivers/pci/hotplug/ibmphp_core.c | 13 +- drivers/pci/hotplug/pciehp.h | 15 +- drivers/pci/hotplug/pciehp_core.c | 17 +- drivers/pci/hotplug/pciehp_ctrl.c | 90 ++-- drivers/pci/hotplug/pciehp_hpc.c | 380 +++++--------- drivers/pci/hotplug/pciehp_pci.c | 23 +- drivers/pci/hotplug/rpadlpar_core.c | 19 +- drivers/pci/hotplug/rpaphp_core.c | 4 + drivers/pci/hotplug/s390_pci_hpc.c | 4 +- drivers/pci/hotplug/sgi_hotplug.c | 5 + drivers/pci/hotplug/shpchp_pci.c | 18 +- drivers/pci/ioapic.c | 6 +- drivers/pci/iov.c | 2 + drivers/pci/msi.c | 348 ++++++++----- drivers/pci/pci-acpi.c | 2 +- drivers/pci/pci-label.c | 57 +-- drivers/pci/pci-sysfs.c | 19 +- drivers/pci/pci.c | 545 ++++++++++----------- drivers/pci/pci.h | 2 - drivers/pci/pcie/aer/aerdrv_acpi.c | 56 ++- drivers/pci/pcie/aer/aerdrv_errprint.c | 95 ++-- drivers/pci/pcie/aspm.c | 12 - drivers/pci/pcie/portdrv_core.c | 36 +- drivers/pci/probe.c | 176 ++++--- drivers/pci/quirks.c | 2 +- drivers/pci/remove.c | 34 +- drivers/pci/rom.c | 2 +- drivers/pci/setup-bus.c | 32 +- drivers/pci/setup-res.c | 2 +- drivers/pci/slot.c | 26 - drivers/pci/vc.c | 434 ++++++++++++++++ drivers/pci/xen-pcifront.c | 8 + drivers/pcmcia/cardbus.c | 7 + drivers/pcmcia/i82092.c | 2 +- drivers/pcmcia/yenta_socket.c | 6 +- drivers/platform/x86/asus-wmi.c | 2 + drivers/platform/x86/eeepc-laptop.c | 2 + drivers/scsi/mpt2sas/mpt2sas_base.c | 2 +- drivers/scsi/mpt3sas/mpt3sas_base.c | 2 +- drivers/scsi/sym53c8xx_2/sym_glue.c | 5 +- drivers/vfio/pci/vfio_pci.c | 29 +- drivers/vfio/pci/vfio_pci_config.c | 12 +- drivers/video/arkfb.c | 2 +- drivers/video/s3fb.c | 2 +- drivers/video/vt8623fb.c | 2 +- include/acpi/actbl1.h | 10 +- include/linux/msi.h | 4 +- include/linux/pci-ats.h | 17 - include/linux/pci.h | 352 ++++--------- include/uapi/linux/pci_regs.h | 37 +- scripts/checkpatch.pl | 11 +- 111 files changed, 2513 insertions(+), 1989 deletions(-) create mode 100644 drivers/pci/vc.c