From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Len Brown <lenb@kernel.org>,
Mario.Limonciello@dell.com,
Michael Jamet <michael.jamet@intel.com>,
Yehezkel Bernat <yehezkel.bernat@intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: [PATCH v3 5/5] ACPI / hotplug / PCI: Mark stale PCI devices disconnected
Date: Mon, 26 Feb 2018 16:21:12 +0300 [thread overview]
Message-ID: <20180226132112.81447-6-mika.westerberg@linux.intel.com> (raw)
In-Reply-To: <20180226132112.81447-1-mika.westerberg@linux.intel.com>
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>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
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 5efa21cdddc9..0aef35ee665a 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -651,6 +651,11 @@ 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);
--
2.16.1
next prev parent reply other threads:[~2018-02-26 13:21 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-26 13:21 [PATCH v3 0/5] PCI: Fixes for native PCIe and ACPI hotplug Mika Westerberg
2018-02-26 13:21 ` [PATCH v3 1/5] PCI: Make sure all bridges reserve at least one bus number Mika Westerberg
2018-03-27 18:57 ` Bjorn Helgaas
2018-03-28 11:43 ` Mika Westerberg
2018-03-28 18:09 ` Bjorn Helgaas
2018-03-29 11:59 ` Mika Westerberg
2018-03-31 8:29 ` Lukas Wunner
2018-03-31 8:58 ` Mika Westerberg
2018-03-31 9:12 ` Lukas Wunner
2018-03-31 9:19 ` Rafael J. Wysocki
2018-03-31 9:20 ` Mika Westerberg
2018-03-31 9:30 ` Lukas Wunner
2018-03-31 9:58 ` Mika Westerberg
2018-03-31 10:18 ` Lukas Wunner
2018-03-31 10:37 ` Mika Westerberg
2018-03-31 9:30 ` Rafael J. Wysocki
2018-03-31 9:56 ` Mika Westerberg
2018-03-31 10:05 ` Rafael J. Wysocki
2018-03-31 10:12 ` Mika Westerberg
2018-02-26 13:21 ` [PATCH v3 2/5] PCI: Take bridge window alignment into account when distributing resources Mika Westerberg
2018-03-27 19:23 ` Bjorn Helgaas
2018-03-28 12:01 ` Mika Westerberg
2018-03-29 21:29 ` Bjorn Helgaas
2018-03-31 9:18 ` Mika Westerberg
2018-02-26 13:21 ` [PATCH v3 3/5] PCI: pciehp: Clear Presence Detect and Data Link Layer Status Changed on resume Mika Westerberg
2018-02-26 13:21 ` [PATCH v3 4/5] ACPI / hotplug / PCI: Do not scan all bridges when native PCIe hotplug is used Mika Westerberg
2018-02-26 13:21 ` Mika Westerberg [this message]
2018-03-27 19:45 ` [PATCH v3 5/5] ACPI / hotplug / PCI: Mark stale PCI devices disconnected Bjorn Helgaas
2018-03-27 20:52 ` Lukas Wunner
2018-03-27 22:13 ` Bjorn Helgaas
2018-03-28 6:25 ` Greg Kroah-Hartman
2018-02-26 15:16 ` [PATCH v3 0/5] PCI: Fixes for native PCIe and ACPI hotplug Andy Shevchenko
2018-03-15 6:00 ` Mika Westerberg
2018-03-26 10:01 ` Mika Westerberg
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