From: Taku Izumi <izumi.taku@jp.fujitsu.com>
To: Taku Izumi <izumi.taku@jp.fujitsu.com>
Cc: linux-pci@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>,
Yinghai Lu <yinghai@kernel.org>, Jiang Liu <jiang.liu@huawei.com>
Subject: [PATCH 4/7] ACPI, PCI: Notify acpi_pci_drivers when hot-plugging PCI root bridges
Date: Wed, 4 Jul 2012 17:08:49 +0900 [thread overview]
Message-ID: <20120704170849.d7cbeb76.izumi.taku@jp.fujitsu.com> (raw)
In-Reply-To: <20120704170345.07cd0ad7.izumi.taku@jp.fujitsu.com>
From: Jiang Liu <jiang.liu@huawei.com>
ACPI, PCI: Notify acpi_pci_drivers when hot-plugging PCI root bridges
When hot-plugging PCI root bridge, acpi_pci_drivers' add()/remove()
methods should be invoked to notify registered drivers.
-v2: Move add calling to acpi_pci_root_start by Yinghai
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
drivers/acpi/pci_root.c | 11 +++++++++++
1 file changed, 11 insertions(+)
Index: linux/drivers/acpi/pci_root.c
===================================================================
--- linux.orig/drivers/acpi/pci_root.c 2012-07-04 09:55:45.697815965 +0900
+++ linux/drivers/acpi/pci_root.c 2012-07-04 09:55:49.169772504 +0900
@@ -626,14 +626,25 @@ end:
static int acpi_pci_root_start(struct acpi_device *device)
{
struct acpi_pci_root *root = acpi_driver_data(device);
+ struct acpi_pci_driver *driver;
+
+ list_for_each_entry(driver, &acpi_pci_drivers, node)
+ if (driver->add)
+ driver->add(device->handle);
pci_bus_add_devices(root->bus);
+
return 0;
}
static int acpi_pci_root_remove(struct acpi_device *device, int type)
{
struct acpi_pci_root *root = acpi_driver_data(device);
+ struct acpi_pci_driver *driver;
+
+ list_for_each_entry(driver, &acpi_pci_drivers, node)
+ if (driver->remove)
+ driver->remove(root->device->handle);
device_set_run_wake(root->bus->bridge, false);
pci_acpi_remove_bus_pm_notifier(device);
next prev parent reply other threads:[~2012-07-04 8:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 8:03 [PATCH 0/7] acpi, pci: hostbridge hotplug support Taku Izumi
2012-07-04 8:06 ` [PATCH 1/7] x86, PCI: Fix non acpi path pci_sysdata leaking with release_fn Taku Izumi
2012-07-04 8:07 ` [PATCH 2/7] PCI: Correctly clean up pci root buses in function pci_remove_bus() Taku Izumi
2012-07-04 8:08 ` [PATCH 3/7] ACPI, PCI: Use normal list for struct acpi_pci_driver Taku Izumi
2012-07-04 8:08 ` Taku Izumi [this message]
2012-07-04 8:09 ` [PATCH 5/7] ACPI, PCI: Protect global lists in drivers/acpi/pci_root.c Taku Izumi
2012-07-04 8:10 ` [PATCH 6/7] ACPI, PCI: add hostbridge removal function Taku Izumi
2012-07-04 8:11 ` [PATCH 7/7] ACPI, PCI: add resoruce-assign code for devices under hot-added hostbridge Taku Izumi
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