From patchwork Fri May 31 15:09:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yue Haibing X-Patchwork-Id: 1108413 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=huawei.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45FntZ5TJ2z9s4Y for ; Sat, 1 Jun 2019 01:09:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726658AbfEaPJx (ORCPT ); Fri, 31 May 2019 11:09:53 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:46362 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726037AbfEaPJx (ORCPT ); Fri, 31 May 2019 11:09:53 -0400 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 8575913112EC03796CDD; Fri, 31 May 2019 23:09:48 +0800 (CST) Received: from localhost (10.133.213.239) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.439.0; Fri, 31 May 2019 23:09:39 +0800 From: YueHaibing To: , , , CC: , , YueHaibing Subject: [PATCH] PCI: hv: Fix build error without CONFIG_SYSFS Date: Fri, 31 May 2019 23:09:23 +0800 Message-ID: <20190531150923.12376-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.133.213.239] X-CFilter-Loop: Reflected Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org while building without CONFIG_SYSFS, fails as below: drivers/pci/controller/pci-hyperv.o: In function 'hv_pci_assign_slots': pci-hyperv.c:(.text+0x40a): undefined reference to 'pci_create_slot' drivers/pci/controller/pci-hyperv.o: In function 'pci_devices_present_work': pci-hyperv.c:(.text+0xc02): undefined reference to 'pci_destroy_slot' drivers/pci/controller/pci-hyperv.o: In function 'hv_pci_remove': pci-hyperv.c:(.text+0xe50): undefined reference to 'pci_destroy_slot' drivers/pci/controller/pci-hyperv.o: In function 'hv_eject_device_work': pci-hyperv.c:(.text+0x11f9): undefined reference to 'pci_destroy_slot' Select SYSFS while PCI_HYPERV is set to fix this. Reported-by: Hulk Robot Fixes: a15f2c08c708 ("PCI: hv: support reporting serial number as slot information") Signed-off-by: YueHaibing --- drivers/pci/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 2ab9240..6722952 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -182,6 +182,7 @@ config PCI_LABEL config PCI_HYPERV tristate "Hyper-V PCI Frontend" depends on X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64 + select SYSFS help The PCI device frontend driver allows the kernel to import arbitrary PCI devices from a PCI backend to support PCI driver domains.