From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Jiang Liu To: Yinghai Lu , Len Brown Cc: Jiang Liu , Jesse Barnes , Bjorn Helgaas , Ashok Raj , linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, chenkeping@huawei.com, Jiang Liu Subject: [PATCH 2/3] ACPI,PCI: Notify acpi_pci_drivers when hot-plugging PCI root bridges Date: Thu, 22 Mar 2012 00:22:36 +0800 Message-Id: <1332346957-10070-3-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1332346957-10070-1-git-send-email-jiang.liu@huawei.com> References: <1332346957-10070-1-git-send-email-jiang.liu@huawei.com> Sender: linux-acpi-owner@vger.kernel.org List-ID: From: Jiang Liu When hot-plugging PCI root bridge, acpi_pci_drivers' add()/remove() methods should be invoked to notify registered drivers. Signed-off-by: Jiang Liu --- drivers/acpi/pci_root.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index c2d2b7b..ff73357 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -445,6 +445,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) acpi_status status; int result; struct acpi_pci_root *root; + struct acpi_pci_driver *driver; acpi_handle handle; struct acpi_device *child; u32 flags, base_flags; @@ -612,6 +613,10 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device) if (device->wakeup.flags.run_wake) device_set_run_wake(root->bus->bridge, true); + list_for_each_entry(driver, &acpi_pci_drivers, node) + if (driver->add) + driver->add(device->handle); + return 0; end: @@ -632,6 +637,11 @@ static int acpi_pci_root_start(struct acpi_device *device) 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); /* that root bus could be removed already */ if (!pci_find_bus(root->segment, root->secondary.start)) { -- 1.7.5.4