WSL2-Linux-Kernel/drivers/pci
Mika Westerberg ab1225901d Revert "ACPI / hotplug / PCI: Avoid doing too much for spurious notifies"
Commit 2dc4128 (ACPI / hotplug / PCI: Avoid doing too much for
spurious notifies) changed the enable_slot() to check return value of
pci_scan_slot() and if it is zero return early from the function. It
means that there were no new devices in this particular slot.

However, if a device appeared deeper in the hierarchy the code now
ignores it causing things like Thunderbolt chaining fail to recognize
new devices.

The problem with Alex Williamson's machine was solved with commit
a47d8c8 (ACPI / hotplug / PCI: Avoid parent bus rescans on spurious
device checks) and hence we should be able to restore the original
functionality that we always rescan on bus check notification.

On a device check notification we still check what acpiphp_rescan_slot()
returns and on zero bail out early.

Fixes: 2dc41281b1 (ACPI / hotplug / PCI: Avoid doing too much for spurious notifies)
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Tested-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-10-30 15:28:52 +01:00
..
host ARM: SoC platform changes for 3.12 2013-09-06 13:30:06 -07:00
hotplug Revert "ACPI / hotplug / PCI: Avoid doing too much for spurious notifies" 2013-10-30 15:28:52 +01:00
pcie PCI changes for the v3.12 merge window: 2013-09-03 16:24:35 -07:00
Kconfig PCI: remove ARCH_SUPPORTS_MSI kconfig option 2013-08-12 15:26:48 +00:00
Makefile pci: PCIe driver for Marvell Armada 370/XP systems 2013-05-20 19:18:44 +00:00
access.c PCI: Remove pcie_cap_has_devctl() 2013-08-28 20:51:39 -06:00
ats.c Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci 2012-01-11 18:50:26 -08:00
bus.c PCI: Delay enabling bridges until they're needed 2013-07-25 12:35:03 -06:00
host-bridge.c PCI: add host bridge release support 2012-04-30 14:52:43 -06:00
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 PCI: Convert ioapic.c to module_pci_driver 2013-05-27 17:05:28 -06:00
iov.c PCI: Return -ENOSYS for SR-IOV operations on non-SR-IOV devices 2013-07-31 16:47:56 -06:00
irq.c PCI: Convert dev_printk(KERN_<LEVEL> to dev_<level>( 2012-11-07 15:24:18 -07:00
msi.c Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
of.c PCI: OF: Don't crash when bridge parent is NULL. 2011-08-19 08:51:37 -07:00
pci-acpi.c PCI / ACPI / PM: Clear pme_poll for devices in D3cold on wakeup 2013-09-20 00:24:43 +02:00
pci-driver.c PCI: Add pcibios_pm_ops for optional arch-specific hibernate functionality 2013-08-22 14:11:32 -06:00
pci-label.c switch ->is_visible() to returning umode_t 2012-01-03 22:54:55 -05:00
pci-stub.c PCI: Convert dev_printk(KERN_<LEVEL> to dev_<level>( 2012-11-07 15:24:18 -07:00
pci-sysfs.c PCI: Convert class code to use dev_groups 2013-07-25 12:18:42 -06:00
pci.c PCI: Workaround missing pci_set_master in pci drivers 2013-09-28 13:25:30 -07:00
pci.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-09-05 14:54:29 -07:00
probe.c ARM: SoC platform changes for 3.12 2013-09-06 13:30:06 -07:00
proc.c pci/proc: switch to fixed_size_llseek() 2013-06-29 12:57:48 +04:00
quirks.c Merge branch 'pci/vipul-chelsio-reset-v2' into next 2013-08-12 15:07:03 -06:00
remove.c PCI: Add pcibios hooks for adding and removing PCI buses 2013-04-12 15:38:25 -06:00
rom.c PCI: Add PCI ROM helper for platform-provided ROM images 2013-03-26 17:19:41 -06:00
search.c PCI: Fix reference count leak in pci_dev_present() 2013-01-25 13:49:27 -07:00
setup-bus.c PCI changes for the v3.12 merge window: 2013-09-03 16:24:35 -07:00
setup-irq.c PCI: Provide a default pcibios_update_irq() 2012-09-18 17:28:21 -06:00
setup-res.c PCI: Remove unused variables 2013-04-15 10:56:27 -06:00
slot.c PCI: Warn about failures instead of "must_check" functions 2013-04-17 10:21:12 -06:00
syscall.c headers: smp_lock.h redux 2009-07-12 12:22:34 -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 xen/pcifront: Deal with toolstack missing 'XenbusStateClosing' state. 2013-06-14 12:28:59 -04:00