Return-Path: From: Mika Westerberg To: Bjorn Helgaas , "Rafael J . Wysocki" Cc: Len Brown , Mario.Limonciello@dell.com, Michael Jamet , Yehezkel Bernat , Andy Shevchenko , Lukas Wunner , Mika Westerberg , linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH v6 08/12] ACPI / hotplug / PCI: Mark stale PCI devices disconnected Date: Thu, 10 May 2018 21:28:40 +0300 Message-Id: <20180510182844.77349-9-mika.westerberg@linux.intel.com> In-Reply-To: <20180510182844.77349-1-mika.westerberg@linux.intel.com> References: <20180510182844.77349-1-mika.westerberg@linux.intel.com> Sender: linux-acpi-owner@vger.kernel.org List-ID: 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 Reviewed-by: Rafael J. Wysocki Reviewed-by: Andy Shevchenko --- drivers/pci/hotplug/acpiphp_glue.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index a8286058f490..db256bb2bd6a 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -649,6 +649,11 @@ static void trim_stale_devices(struct pci_dev *dev) alive = pci_device_is_present(dev); 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); if (adev) acpi_bus_trim(adev); -- 2.17.0