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ACPI / hotplug / PCI: Mark stale PCI devices disconnected

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Following PCIehp mark the unplugged PCI devices disconnected.  This makes
sure PCI core code leaves the now missing hardware registers alone.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Mika Westerberg 2018-05-29 19:02:23 +03:00 committed by Bjorn Helgaas
parent 84c8b58ed3
commit 8f004f4a34
1 changed files with 5 additions and 0 deletions
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5
drivers/pci/hotplug/acpiphp_glue.c
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@ -649,6 +649,11 @@ static void trim_stale_devices(struct pci_dev *dev)
alive = pci_device_is_present(dev); alive = pci_device_is_present(dev);
if (!alive) { if (!alive) {
pci_dev_set_disconnected(dev, NULL);
if (pci_has_subordinate(dev))
pci_walk_bus(dev->subordinate, pci_dev_set_disconnected,
NULL);
pci_stop_and_remove_bus_device(dev); pci_stop_and_remove_bus_device(dev);
if (adev) if (adev)
acpi_bus_trim(adev); acpi_bus_trim(adev);