From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rcsinet15.oracle.com ([148.87.113.117]:48481 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755522Ab2I0IM3 (ORCPT ); Thu, 27 Sep 2012 04:12:29 -0400 From: Yinghai Lu To: Bjorn Helgaas , Len Brown , Taku Izumi , Jiang Liu Cc: linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, Yinghai Lu Subject: [PATCH 4/8] PCI, ACPI: assign unassigned resource for hot add root bus Date: Thu, 27 Sep 2012 01:11:55 -0700 Message-Id: <1348733519-24684-5-git-send-email-yinghai@kernel.org> In-Reply-To: <1348733519-24684-1-git-send-email-yinghai@kernel.org> References: <1348733519-24684-1-git-send-email-yinghai@kernel.org> Sender: linux-pci-owner@vger.kernel.org List-ID: After we get hot-added ioapic registered. pci_enable_bridges will try to enable ioapic irq for pci bridges. Signed-off-by: Yinghai Lu --- drivers/acpi/pci_root.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index bce469c..27adbfd 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -644,12 +644,19 @@ static int acpi_pci_root_start(struct acpi_device *device) struct acpi_pci_root *root = acpi_driver_data(device); struct acpi_pci_driver *driver; + if (system_state != SYSTEM_BOOTING) + pci_assign_unassigned_bus_resources(root->bus); + mutex_lock(&acpi_pci_root_lock); list_for_each_entry(driver, &acpi_pci_drivers, node) if (driver->add) driver->add(root); mutex_unlock(&acpi_pci_root_lock); + /* need to after hot-added ioapic is registered */ + if (system_state != SYSTEM_BOOTING) + pci_enable_bridges(root->bus); + pci_bus_add_devices(root->bus); return 0; -- 1.7.7