Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754554Ab3EZP6x (ORCPT ); Sun, 26 May 2013 11:58:53 -0400 Received: from mail-pa0-f44.google.com ([209.85.220.44]:62397 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754380Ab3EZP6u (ORCPT ); Sun, 26 May 2013 11:58:50 -0400 From: Jiang Liu To: Bjorn Helgaas , Yinghai Lu Cc: Jiang Liu , "Rafael J . Wysocki" , Greg Kroah-Hartman , Gu Zheng , Toshi Kani , Myron Stowe , Yijing Wang , Jiang Liu , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Len Brown , linux-acpi@vger.kernel.org Subject: [PATCH v3, part2 13/20] PCI, ACPI: use hotplug-safe iterators to walk PCI buses Date: Sun, 26 May 2013 23:53:10 +0800 Message-Id: <1369583597-3801-14-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1369583597-3801-1-git-send-email-jiang.liu@huawei.com> References: <1369583597-3801-1-git-send-email-jiang.liu@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1281 Lines: 40 Enhance ACPI reset drvier to use hotplug-safe iterators to walk PCI buses. Signed-off-by: Jiang Liu Acked-by: Rafael J. Wysocki Cc: Len Brown Cc: linux-acpi@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- drivers/acpi/reboot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c index a6c77e8b..532dd6d 100644 --- a/drivers/acpi/reboot.c +++ b/drivers/acpi/reboot.c @@ -33,7 +33,7 @@ void acpi_reboot(void) switch (rr->space_id) { case ACPI_ADR_SPACE_PCI_CONFIG: /* The reset register can only live on bus 0. */ - bus0 = pci_find_bus(0, 0); + bus0 = pci_get_bus(0, 0); if (!bus0) return; /* Form PCI device/function pair. */ @@ -43,6 +43,7 @@ void acpi_reboot(void) /* Write the value that resets us. */ pci_bus_write_config_byte(bus0, devfn, (rr->address & 0xffff), reset_value); + pci_bus_put(bus0); break; case ACPI_ADR_SPACE_SYSTEM_MEMORY: -- 1.8.1.2 -- 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/