Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751357Ab2KDEj5 (ORCPT ); Sun, 4 Nov 2012 00:39:57 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:27162 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750706Ab2KDEjy (ORCPT ); Sun, 4 Nov 2012 00:39:54 -0400 From: Yinghai Lu To: Bjorn Helgaas , "Rafael J. Wysocki" , Len Brown , Taku Izumi , Jiang Liu Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Yinghai Lu Subject: [PATCH 8/8] PCI, ACPI: reserve fw allocated resource for hot added root bus Date: Sat, 3 Nov 2012 21:39:31 -0700 Message-Id: <1352003971-22278-9-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.7 In-Reply-To: <1352003971-22278-1-git-send-email-yinghai@kernel.org> References: <20121030040237.GA10472@google.com> <1352003971-22278-1-git-send-email-yinghai@kernel.org> X-Source-IP: ucsinet22.oracle.com [156.151.31.94] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1109 Lines: 32 FW could already allocate resource in pci bar registers, and we need to reserve it before try to allocate another one. Signed-off-by: Yinghai Lu --- drivers/acpi/pci_root.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 012f40d..bc09567 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -644,8 +644,10 @@ 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) + if (system_state != SYSTEM_BOOTING) { + pcibios_resource_survey_bus(root->bus); pci_assign_unassigned_bus_resources(root->bus); + } mutex_lock(&acpi_pci_root_lock); list_for_each_entry(driver, &acpi_pci_drivers, node) -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/