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path: root/drivers/pci
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2008-02-01PCI: Spelling fixesJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: drivers/pci/msi.c: move arch hooks to the topAdrian Bunk
This patch fixes the following problem present with older gcc versions: <-- snip --> ... CC drivers/pci/msi.o /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:692: warning: weak declaration of `arch_msi_check_device' after first use results in unspecified behavior /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:704: warning: weak declaration of `arch_setup_msi_irqs' after first use results in unspecified behavior /home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:724: warning: weak declaration of `arch_teardown_msi_irqs' after first use results in unspecified behavior ... <-- snip --> Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: quirk: enable MSI Mapping on HT1000Sebastien Dugue
Add a quirk to enable the MSI mapping capability on HyperTransport bridges. Wire Broadcom's HT1000 to use the quirk. Signed-off-by: Sebastien Dugue <sebastien.dugue@bull.net> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Andy Currid <acurrid@nvidia.com> Cc: Peer Chen <pchen@nvidia.com> Cc: Prakash Punnoor <prakash@punnoor.de> Cc: Andrew Morton <akpm@linux-foundation.org> Acked-by: Michael Chan <mchan@broadcom.com> Cc: Greg KH <greg@kroah.com> Cc: Andy Currid <acurrid@nvidia.com> Cc: Peer Chen <pchen@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: Fix warning in setup-res.c on 32-bit platforms with 64-bit resourcesBenjamin Herrenschmidt
This adds appropriate casts to avoid a warning and print the correct values in pr_debug. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: Fix bus resource assignment on 32 bits with 64b resourcesBenjamin Herrenschmidt
The current pci_assign_unassigned_resources() code doesn't work properly on 32 bits platforms with 64 bits resources. The main reason is the use of unsigned long in various places instead of resource_size_t. This is a pre-requisite for making powerpc use the generic code instead of its own half-useful implementation. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI Hotplug: PCIeHP: Fix some whitespace damageRolf Eike Beer
PCIeHP: Fix some whitespace damage Signed-off-by: Rolf Eike Beer <eike-hotplug@sf-tec.de> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI Hotplug: pciehp: use generic function to find ext capabilityKenji Kaneshige
Remove duplicated code to find an extend capability in PCIEHP driver. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI Hotplug: pciehp: remove needless hp_slot calculationKenji Kaneshige
Remove needless hp_slot calculation. This has no functional changes. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI Hotplug: pciehp: remove needless members from struct controllerKenji Kaneshige
Remove needless members from struct controller. This has no functional changes. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI Hotplug: acpiphp: remove unneeded acpi_get_name function callMUNEDA Takahiro
acpi_get_name() is called before and after dbg(). The latter is useless and should be removed. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI Hotplug: acpiphp: fix trivial typosMUNEDA Takahiro
fix trivial typos. Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCIe: fix double initialization bugMark Lord
Earlier patches to split out the hardware init for PCIe hotplug resulted in some one-time initializations being redone on every resume cycle. Eg. irq/polling initialization. This patch splits the hardware init into two parts, and separates the one-time initializations from those so that they only ever get done once, as intended. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCIE: Make use of the previously split out pcie_init_enable_events() functionMark Lord
Make use of the previously split out pcie_init_enable_events() function to reinitialize the hotplug hardware on resume from suspend, but only when pciehp_force==1. Otherwise behaviour is unmodified. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: more fixes for PCIe Hotplug so that it works with ExpressCard slots on ↵Mark Lord
Dell notebooks (and others?) in conjunction with modparam of pciehp_force=1 Split out the hotplug hardware initialization code from pcie_init() into pcie_init_enable_events(), without changing any functionality. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCIE: fix PCIe Hotplug so that it works with ExpressCard slots on Dell ↵Mark Lord
notebooks (and others?) in conjunction with modparam of pciehp_force=1. Fix pciehp_probe() to deal with ExpressCard cards that were inserted prior to the driver being loaded. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: Add missing "space" in printk messagesJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: export pci_restore_msi_state()Linas Vepstas
PCI error recovery usually involves the PCI adapter being reset. If the device is using MSI, the reset will cause the MSI state to be lost; the device driver needs to restore the MSI state. The pci_restore_msi_state() routine is currently protected by CONFIG_PM; remove this, and also export the symbol, so that it can be used in a modle. Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01pci hotplug: fix rpaphp directory namingLinas Vepstas
Fix presentation of the slot number in the /sys/bus/pci/slots directory to match that used in the majority of other drivers. > Greg said: > How is anyone supposed to write sane managability tools in the > presence > of such anarchy? > > > ~ # cat /sys/bus/pci/slots/0000:00:02.2/phy_location > > U787A.001.DNZ00Z5-P1-C2 > > Right. This should look like: > > # cat /sys/bus/pci/slots/U787A.001.DNZ00Z5-P1-C2/address > 0000:00:02 This patch implements exactly what you describe. Boot tested. I assume you really mean it -- if so, then please review and ack the patch !? I have absolutely no clue if this breaks any existing IBM tools. I'm pretty sure it doesn't ... but attention Mike Strosaker! does it? Signed-off-by: Linas Vepstas <linas@austin.ibm.com> Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Cc: <strosake@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: Unhide the SMBus on the HP xw4100Jean Delvare
Unhide the SMBus on the HP xw4100. This gives access to a hardware monitoring chip (ADT7463) and to the memory module SPD EEPROMs. I checked that ACPI wasn't accessing the SMBus, so it should be safe. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: More Sanity checks for DMARFenghua Yu
Add and changes a few sanity checks in dmar.c. 1. The haw field in ACPI DMAR table in VT-d spec doesn't describe the range of haw. But since DMA page size is 4KB in DMA remapping, haw should be at least 4KB. The current VT-d code in dmar.c returns failure when haw==0. This sanity check is not accurate and execution can pass when haw is less than one page size 4KB. This patch changes the haw sanity check to validate if haw is less than 4KB. 2. Add dmar_rmrr_units verification. 3. Add parse_dmar_table() verification. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Acked-by: mark gross <mgross@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: drivers/pci/quirks.c: coding-style cleanupAndrew Morton
Remove lots of space-before-) instances. Perhaps these were a workaround for problems in some long-dead cpp version. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: remove additional pci_scan_child_bus() prototypeAdrian Bunk
There's already a prototype for pci_scan_child_bus() at the correct place in pci.h, so there's no reason for an additional one. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: always export pci_scan_single_deviceAdrian Bunk
This patch fixes the following build error with CONFIG_HOTPLUG=n: MODPOST 2137 modules ERROR: "pci_scan_single_device" [drivers/edac/i82875p_edac.ko] undefined! Signed-off-by: Adrian Bunk <bunk@kernel.org> Acked-by: Doug Thompson <norsk5@yahoo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: remove unneeded lock_kernel() in drivers/pci/syscall.c.Diego Woitasen
sys_pciconfig_{read,write}() are protected against PCI removal with the reference count in struct pci_dev. The concurrency of pci_user_{read,write}_config_* functions are already protected by pci_lock in drivers/pci/access.c. Signed-off-by: Diego Woitasen <diego@woitasen.com.ar> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: Mem Policy: fix mempolicy usage in pci driverLee Schermerhorn
In an attempt to ensure memory allocation from the local node, the pci driver temporarily replaces the current task's memory policy with the system default policy. Trying to be a good citizen, the driver then call's mpol_get() on the new policy. When it's finished probing, it undoes the '_get by calling mpol_free() [on the system default policy] and then restores the current task's saved mempolicy. A couple of issues here: 1) it's never necessary to set a task's mempolicy to the system default policy in order to get system default allocation behavior. Simply set the current task's mempolicy to NULL and allocations will fall back to system default policy. 2) we should never [need to] call mpol_free() on the system default policy. [I plan on trapping this with a VM_BUG_ON() in a subsequent patch.] This patch removes the calls to mpol_get() and mpol_free() and uses NULL for the temporary task mempolicy to effect default allocation behavior. Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com> Acked-by: Christoph Lameter <clameter@sgi.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: VIA CX700 quirk to disable PCI Bus ParkingTim Yamin
PCI Bus Parking and PCI Master read caching on the VIA CX700 is buggy and can lead to problems such as USB2.0 packet loss if a VT6212L controller is on the PCI bus. It's disabled by default, but some BIOSes turn these features on and this patch reverts the configuration to the safe defaults. Signed-off-by: Tim Yamin <tim.yamin@zonbu.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: quirk_vialatency: Omit reading pci revision IDAuke Kok
Don't read the revision ID unnecessary since the PCI subsystem fills this field in already. Updated to fix a thinko bug in a previously sent patch. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: hotplug: Link fakephp lastAlex Chiang
Currently, fakephp will claim all devices; we really only want it to claim those not in slots. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: hotplug: pci_hotplug_core whitespace fixAlex Chiang
Remove superfluous space. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: hotplug: acpiphp: Remove unused variable from acpiphpAlex Chiang
Remove unused variable from acpiphp. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: hotplug: remove ExperimentalKristen Carlson Accardi
Remove EXPERIMENTAL from PCI Hot Plug. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: hotplug: Switch to pci_get_bus_and_slotJoonwoo Park
Thank you so much for your check & advise. This time, I've tried on ibmphp_core.c, is it OK? Signed-off-by: Joonwoo Park <joonwpark81@gmail.com> Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01pcie: utilize pcie transaction pending bitShaohua Li
PCIE has a mechanism to wait for Non-Posted request to complete. I think pci_disable_device is a good place to do this. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01pcie port driver: correctly detect native PME featureShaohua Li
Native PME is capability of root port or root complex event collector. It's not determined by PCI PME capability. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: drivers/pci/: remove unused exportsAdrian Bunk
This patch removes the following unused exports: - remove the following unused EXPORT_SYMBOL's: - pci-acpi.c: pci_osc_support_set - proc.c: pci_proc_detach_bus - remove the following unused EXPORT_SYMBOL_GPL's: - bus.c: pci_walk_bus - probe.c: pci_create_bus - setup-res.c: pci_claim_resource Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: drivers/pci/rom.c: #if 0 two functionsAdrian Bunk
This patch #if 0's the following unused global functions: - rom.c: pci_map_rom_copy() - rom.c: pci_remove_rom() Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01PCI: make pci_restore_bars() staticAdrian Bunk
This patch makes the needlessly global pci_restore_bars() static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-02-01pci: allow multiple calls to pcim_enable_device()Tejun Heo
There's no reason not to allow multiple calls to pcim_enable_device(). Calls after the first one can simply be noop. All PCI resources will be released when the initial pcim_enable_device() resource is released. This allows more flexibility to managed PCI users. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2008-01-31Merge branch 'linux-2.6'Paul Mackerras
2008-01-27[POWERPC] Always build setup-bus.c on powerpcKumar Gala
The common arch/powerpc code calls in to functions in setup-bus.c so some builds of ppc32 would fail. Note, ppc32 usage of setup-irq.c is limited to arch/ppc and should be removed when arch/ppc goes away. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24Kobject: convert drivers/* from kobject_unregister() to kobject_put()Greg Kroah-Hartman
There is no need for kobject_unregister() anymore, thanks to Kay's kobject cleanup changes, so replace all instances of it with kobject_put(). Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24PCI: remove foolish code from pci-driver.cGreg Kroah-Hartman
The PCI bus should not be trying to declare its own attribute type. Especially as this code could never ever be called because the driver core overwrites the driver kobject type to be its own internal type. Delete all of this code as it was never being used and is not correct. Also update my copyright on the file while I'm touching things there. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24PCI: use proper call to driver_create_fileGreg Kroah-Hartman
Don't try to call the "raw" sysfs_create_file when we already have a helper function to do this kind of work for us. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24driver core: add way to get to bus device klistGreg Kroah-Hartman
This allows an easier way to get to the device klist associated with a struct bus_type (you have three to choose from...) This will make it easier to move these fields to be dynamic in a future patch. The only user of this is the PCI core which horribly abuses this interface to rearrange the order of the pci devices. This should be done using the existing bus device walking functions, but that's left for future patches. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24driver core: add way to get to bus ksetGreg Kroah-Hartman
This allows an easier way to get to the kset associated with a struct bus_type (you have three to choose from...) This will make it easier to move these fields to be dynamic in a future patch. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24Kobject: change drivers/pci/hotplug/pci_hotplug_core.c to use ↵Greg Kroah-Hartman
kobject_init_and_add Stop using kobject_register, as this way we can control the sending of the uevent properly, after everything is properly initialized. Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24kobject: clean up rpadlpar horrid sysfs abuseGreg Kroah-Hartman
rpadlpar pci hotplug driver was doing some pretty bad stuff with the sysfs files. This cleans up the logic to be sane and gets rid of the gratuitous kset that is not needed for a simple directory like this. Note, this patch is not even build tested, let alone run-time tested. Someone with access to this hardware and can test would be greatly appreciated. Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: John Rose <johnrose@austin.ibm.com> Cc: Badari Pulavarty <pbadari@gmail.com> Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24kset: convert pci hotplug to use kset_create_and_addGreg Kroah-Hartman
This also renames pci_hotplug_slots_subsys to pcis_hotplug_slots_kset catch all current users with a build error instead of a build warning which can easily be missed. Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24kobject: remove struct kobj_type from struct ksetGreg Kroah-Hartman
We don't need a "default" ktype for a kset. We should set this explicitly every time for each kset. This change is needed so that we can make ksets dynamic, and cleans up one of the odd, undocumented assumption that the kset/kobject/ktype model has. This patch is based on a lot of help from Kay Sievers. Nasty bug in the block code was found by Dave Young <hidave.darkstar@gmail.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Dave Young <hidave.darkstar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-01-24Merge branch 'linux-2.6'Paul Mackerras
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