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2014-02-27x86, platforms: Remove NUMAQH. Peter Anvin1-165/+0
The NUMAQ support seems to be unmaintained, remove it. Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: David Rientjes <rientjes@google.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/n/530CFD6C.7040705@zytor.com
2013-02-26Merge tag 'pci-v3.9-changes' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI changes from Bjorn Helgaas: "Host bridge hotplug - Major overhaul of ACPI host bridge add/start (Rafael Wysocki, Yinghai Lu) - Major overhaul of PCI/ACPI binding (Rafael Wysocki, Yinghai Lu) - Split out ACPI host bridge and ACPI PCI device hotplug (Yinghai Lu) - Stop caching _PRT and make independent of bus numbers (Yinghai Lu) PCI device hotplug - Clean up cpqphp dead code (Sasha Levin) - Disable ARI unless device and upstream bridge support it (Yijing Wang) - Initialize all hot-added devices (not functions 0-7) (Yijing Wang) Power management - Don't touch ASPM if disabled (Joe Lawrence) - Fix ASPM link state management (Myron Stowe) Miscellaneous - Fix PCI_EXP_FLAGS accessor (Alex Williamson) - Disable Bus Master in pci_device_shutdown (Konstantin Khlebnikov) - Document hotplug resource and MPS parameters (Yijing Wang) - Add accessor for PCIe capabilities (Myron Stowe) - Drop pciehp suspend/resume messages (Paul Bolle) - Make pci_slot built-in only (not a module) (Jiang Liu) - Remove unused PCI/ACPI bind ops (Jiang Liu) - Removed used pci_root_bus (Bjorn Helgaas)" * tag 'pci-v3.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (51 commits) PCI/ACPI: Don't cache _PRT, and don't associate them with bus numbers PCI: Fix PCI Express Capability accessors for PCI_EXP_FLAGS ACPI / PCI: Make pci_slot built-in only, not a module PCI/PM: Clear state_saved during suspend PCI: Use atomic_inc_return() rather than atomic_add_return() PCI: Catch attempts to disable already-disabled devices PCI: Disable Bus Master unconditionally in pci_device_shutdown() PCI: acpiphp: Remove dead code for PCI host bridge hotplug PCI: acpiphp: Create companion ACPI devices before creating PCI devices PCI: Remove unused "rc" in virtfn_add_bus() PCI: pciehp: Drop suspend/resume ENTRY messages PCI/ASPM: Don't touch ASPM if forcibly disabled PCI/ASPM: Deallocate upstream link state even if device is not PCIe PCI: Document MPS parameters pci=pcie_bus_safe, pci=pcie_bus_perf, etc PCI: Document hpiosize= and hpmemsize= resource reservation parameters PCI: Use PCI Express Capability accessor PCI: Introduce accessor to retrieve PCIe Capabilities Register PCI: Put pci_dev in device tree as early as possible PCI: Skip attaching driver in device_add() PCI: acpiphp: Keep driver loaded even if no slots found ...
2013-01-04X86: drivers: remove __dev* attributes.Greg Kroah-Hartman1-1/+1
CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitconst, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Daniel Drake <dsd@laptop.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-04x86/PCI: Remove unused pci_root_busBjorn Helgaas1-1/+1
pci_root_bus is unused, so remove all references to it. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-01-07x86/PCI: use pci_scan_bus() instead of pci_scan_bus_parented()Bjorn Helgaas1-2/+0
This doesn't change any functionality, but it makes a subsequent patch slightly simpler. pci_scan_bus(NULL, ...) and pci_scan_bus_parented() are identical except that pci_scan_bus() also calls pci_bus_add_devices(): pci_scan_bus_parented pci_create_bus pci_scan_child_bus pci_scan_bus pci_create_bus pci_scan_child_bus pci_bus_add_devices All callers of pcibios_scan_root() call pci_bus_add_devices() explicitly, and we don't pass a parent device, so we might as well use pci_scan_bus(). Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2011-10-14x86: constify PCI raw ops structuresJan Beulich1-1/+1
As with any other such change, the goal is to prevent inadvertent writes to these structures (assuming DEBUG_RODATA is enabled), and to separate data (possibly frequently) written to from such never getting modified. Reviewed-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2011-07-22x86/PCI: config space accessor functions should not ignore the segment argumentJan Beulich1-0/+2
Without this change, the majority of the raw PCI config space access functions silently ignore a non-zero segment argument, which is certainly wrong. Apart from pci_direct_conf1, all other non-MMCFG access methods get used only for non-extended accesses (i.e. assigned to raw_pci_ops only). Consequently, with the way raw_pci_{read,write}() work, it would be a coding error to call these functions with a non-zero segment (with the current call flow this cannot happen afaict). The access method 1 accessor, as it can be used for extended accesses (on AMD systems) instead gets checks added for the passed in segment to be zero. This would be the case when on such a system having multiple PCI segments (don't know whether any exist in practice) MMCFG for some reason is not usable, and method 1 gets selected for doing extended accesses. Rather than accessing the wrong device's config space, the function will now error out. v2: Convert BUG_ON() to WARN_ON(), and extend description as per Ingo's request. Signed-off-by: Jan Beulich <jbeulich@novell.com> Reviewed-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-05-11x86/PCI: Convert pci_config_lock to raw_spinlockThomas Gleixner1-4/+4
pci_config_lock must be a real spinlock in preempt-rt. Convert it to raw_spinlock. No change for !RT kernels. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-03-08Merge branch 'x86-mrst-for-linus' of ↵Linus Torvalds1-6/+0
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-mrst-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (30 commits) x86, mrst: Fix whitespace breakage in apb_timer.c x86, mrst: Fix APB timer per cpu clockevent x86, mrst: Remove X86_MRST dependency on PCI_IOAPIC x86, olpc: Use pci subarch init for OLPC x86, pci: Add arch_init to x86_init abstraction x86, mrst: Add Kconfig dependencies for Moorestown x86, pci: Exclude Moorestown PCI code if CONFIG_X86_MRST=n x86, numaq: Make CONFIG_X86_NUMAQ depend on CONFIG_PCI x86, pci: Add sanity check for PCI fixed bar probing x86, legacy_irq: Remove duplicate vector assigment x86, legacy_irq: Remove left over nr_legacy_irqs x86, mrst: Platform clock setup code x86, apbt: Moorestown APB system timer driver x86, mrst: Add vrtc platform data setup code x86, mrst: Add platform timer info parsing code x86, mrst: Fill in PCI functions in x86_init layer x86, mrst: Add dummy legacy pic to platform setup x86/PCI: Moorestown PCI support x86, ioapic: Add dummy ioapic functions x86, ioapic: Early enable ioapic for timer irq ... Fixed up semantic conflict of new clocksources due to commit 17622339af25 ("clocksource: add argument to resume callback").
2010-02-20x86: Move pci init function to x86_initThomas Gleixner1-6/+0
The PCI initialization in pci_subsys_init() is a mess. pci_numaq_init, pci_acpi_init, pci_visws_init and pci_legacy_init are called and each implementation checks and eventually modifies the global variable pcibios_scanned. x86_init functions allow us to do this more elegant. The pci.init function pointer is preset to pci_legacy_init. numaq, acpi and visws can modify the pointer in their early setup functions. The functions return 0 when they did the full initialization including bus scan. A non zero return value indicates that pci_legacy_init needs to be called either because the selected function failed or wants the generic bus scan in pci_legacy_init to happen (e.g. visws). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> LKML-Reference: <43F901BD926A4E43B106BF17856F07559FB80CFE@orsmsx508.amr.corp.intel.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2010-02-06x86-32: Move XQUAD definitions to numaq.hBrian Gerst1-5/+1
The XQUAD stuff is part of the NUMAQ architecture, so move it there. Signed-off-by: Brian Gerst <brgerst@gmail.com> LKML-Reference: <1265380629-3212-2-git-send-email-brgerst@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2009-02-17x86, apic: remove genapic.hIngo Molnar1-1/+1
Impact: cleanup Remove genapic.h and remove all references to it. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-02-06x86, numaq: cleanupsIngo Molnar1-4/+0
Also move xquad_portio over to where it's allocated. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-01-29x86, numaq: consolidate codeIngo Molnar1-1/+1
Move all the NUMAQ subarch definitions into numaq.c. With this it ceases to depend on build-time subarch features. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-12-29x86, pci: move arch/x86/pci/pci.h to arch/x86/include/asm/pci_x86.hJaswinder Singh Rajput1-1/+1
Impact: cleanup Now that arch/x86/pci/pci.h is used in a number of other places as well, move the lowlevel x86 pci definitions into the architecture include files. (not to be confused with the existing arch/x86/include/asm/pci.h file, which provides public details about x86 PCI) Tested on: X86_32_UP, X86_32_SMP and X86_64_SMP Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-29x86/PCI: use dev_printk when possibleBjorn Helgaas1-2/+3
Convert printks to use dev_printk(). I converted DBG() to dev_dbg(). This DBG() is from arch/x86/pci/pci.h and requires source-code modification to enable, so dev_dbg() seems roughly equivalent. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2008-07-11x86/pci: renaming numa into numaqRobert Richter1-2/+2
Cc: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Robert Richter <robert.richter@amd.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-11x86/pci: renamed: numa.c -> numaq_32.cRobert Richter1-0/+178
Cc: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Robert Richter <robert.richter@amd.com> Cc: Robert Richter <robert.richter@amd.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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