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
access.c PCI: Remove pcie_cap_has_devctl() 2013-08-28 20:51:39 -06:00
ats.c
bus.c PCI: Delay enabling bridges until they're needed 2013-07-25 12:35:03 -06:00
host-bridge.c
hotplug-pci.c
htirq.c
ioapic.c
iov.c PCI: Return -ENOSYS for SR-IOV operations on non-SR-IOV devices 2013-07-31 16:47:56 -06:00
irq.c
msi.c Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
of.c
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
pci-stub.c
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
quirks.c Merge branch 'pci/vipul-chelsio-reset-v2' into next 2013-08-12 15:07:03 -06:00
remove.c
rom.c
search.c
setup-bus.c PCI changes for the v3.12 merge window: 2013-09-03 16:24:35 -07:00
setup-irq.c
setup-res.c
slot.c
syscall.c
vpd.c
xen-pcifront.c