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linux-sg2042/drivers/pci
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Gavin Shan d92a208d08 powerpc/pci: Mask linkDown on resetting PCI bus 
The problem was initially reported by Wendy who tried pass through
IPR adapter, which was connected to PHB root port directly, to KVM
based guest. When doing that, pci_reset_bridge_secondary_bus() was
called by VFIO driver and linkDown was detected by the root port.
That caused all PEs to be frozen.

The patch fixes the issue by routing the reset for the secondary bus
of root port to underly firmware. For that, one more weak function
pci_reset_secondary_bus() is introduced so that the individual platforms
can override that and do specific reset for bridge's secondary bus.

Reported-by: Wendy Xiong <wenxiong@linux.vnet.ibm.com>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 		2014-04-28 17:34:53 +10:00
..
host PCI: tegra: Use new OF interrupt mapping when possible 2014-04-16 10:24:32 -06:00
hotplug PCI changes for the v3.15 merge window: 2014-04-01 15:14:04 -07:00
pcie Merge branch 'pci/dead-code' into next 2014-01-13 16:47:08 -07:00
Kconfig PCI: Convert ioapic to be builtin only, not modular 2014-01-03 14:31:38 -07:00
Makefile Merge branch 'x86-nuke-platforms-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-04-02 13:15:58 -07:00
access.c PCI: Remove unused pci_vpd_truncate() 2014-01-13 11:14:43 -07:00
ats.c PCI: Removed unused parts of Page Request Interface support 2014-01-10 14:00:47 -07:00
bus.c PCI: Change pci_bus_alloc_resource() type_mask to unsigned long 2014-03-19 15:00:16 -06:00
host-bridge.c resource: Add resource_contains() 2014-02-26 14:42:09 -07:00
hotplug-pci.c PCI: hotplug: remove pci_do_scan_bus() 2012-06-13 15:42:27 -06:00
htirq.c pci: Fix files needing export.h for EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:22 -04:00
ioapic.c ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
iov.c PCI: Remove unused SR-IOV VF Migration support 2014-02-19 11:28:44 -07:00
irq.c PCI: Fix whitespace, capitalization, and spelling errors 2013-11-14 11:28:18 -07:00
msi.c PCI/MSI: Fix pci_msix_vec_count() htmldocs failure 2014-02-13 10:47:44 -07:00
of.c PCI: OF: Don't crash when bridge parent is NULL. 2011-08-19 08:51:37 -07:00
pci-acpi.c ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
pci-driver.c PCI / PM: Resume runtime-suspended devices later during system suspend 2014-03-04 00:18:16 +01:00
pci-label.c ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
pci-stub.c PCI: Fix whitespace, capitalization, and spelling errors 2013-11-14 11:28:18 -07:00
pci-sysfs.c pci: use device_remove_file_self() instead of device_schedule_callback() 2014-02-07 15:42:41 -08:00
pci.c powerpc/pci: Mask linkDown on resetting PCI bus 2014-04-28 17:34:53 +10:00
pci.h PCI: Remove unused SR-IOV VF Migration support 2014-02-19 11:28:44 -07:00
probe.c Merge branch 'pci/resource' into next 2014-03-19 15:11:19 -06:00
proc.c PCI: Fix whitespace, capitalization, and spelling errors 2013-11-14 11:28:18 -07:00
quirks.c Merge branch 'pci/resource' into next 2014-03-19 15:11:19 -06:00
remove.c Revert "PCI: Remove from bus_list and release resources in pci_release_dev()" 2014-02-01 10:24:31 -08:00
rom.c PCI: Mark resources as IORESOURCE_UNSET if we can't assign them 2014-02-27 10:43:32 -07:00
search.c PCI: Remove pci_bus_b() and use list_for_each_entry() directly 2014-02-14 12:32:26 -07:00
setup-bus.c Merge branch 'pci/resource' into next 2014-01-10 14:23:15 -07:00
setup-irq.c PCI: Provide a default pcibios_update_irq() 2012-09-18 17:28:21 -06:00
setup-res.c PCI: Don't enable decoding if BAR hasn't been assigned an address 2014-03-19 15:00:14 -06:00
slot.c VERIFY_OCTAL_PERMISSIONS: stricter checking for sysfs perms. 2014-03-24 12:21:00 +10:30
syscall.c PCI: Fix whitespace, capitalization, and spelling errors 2013-11-14 11:28:18 -07:00
vc.c PCI: Rename PCI_VC_PORT_REG1/2 to PCI_VC_PORT_CAP1/2 2013-12-17 17:49:39 -07:00
vpd.c pci: Fix files needing export.h for EXPORT_SYMBOL/THIS_MODULE 2011-10-31 19:31:22 -04:00
xen-pcifront.c Features: 2014-01-22 22:00:18 -08:00