From patchwork Tue Apr 28 07:01:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 6286131 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id A241EBEEE1 for ; Tue, 28 Apr 2015 07:09:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CFC8920304 for ; Tue, 28 Apr 2015 07:09:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EDF6D202B4 for ; Tue, 28 Apr 2015 07:09:05 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YmzbZ-0004mx-GR; Tue, 28 Apr 2015 07:06:53 +0000 Received: from szxga02-in.huawei.com ([119.145.14.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YmzbQ-0004Uy-GM for linux-arm-kernel@lists.infradead.org; Tue, 28 Apr 2015 07:06:45 +0000 Received: from 172.24.2.119 (EHLO szxeml430-hub.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id CKN42282; Tue, 28 Apr 2015 15:05:32 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml430-hub.china.huawei.com (10.82.67.185) with Microsoft SMTP Server id 14.3.158.1; Tue, 28 Apr 2015 15:05:24 +0800 From: Yijing Wang To: Bjorn Helgaas Subject: [PATCH Part1 v11 3/5] PCI: designware: Use pci_scan_root_bus() for simplicity Date: Tue, 28 Apr 2015 15:01:37 +0800 Message-ID: <1430204499-19571-4-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1430204499-19571-1-git-send-email-wangyijing@huawei.com> References: <1430204499-19571-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150428_000644_757540_8D269D17 X-CRM114-Status: UNSURE ( 8.56 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) Cc: Arnd Bergmann , linux-pci@vger.kernel.org, Jingoo Han , Mohit Kumar , Yijing Wang , linux-arm-kernel@lists.infradead.org, dja@axtens.net X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Pci_bus_add_devices() was ripped out of pci_scan_root_bus(). Now pci_scan_root_bus() == pci_create_root_bus() + pci_scan_child_bus() if busn resource is supplied. Designware added the busn resource to resources list in dw_pcie_setup(). So it should be safe to use pci_scan_root_bus() instead. Signed-off-by: Yijing Wang CC: Mohit Kumar CC: Jingoo Han Reviewed-by: Lucas Stach --- drivers/pci/host/pcie-designware.c | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 2e9f84f..8c80f38 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -728,13 +728,11 @@ static struct pci_bus *dw_pcie_scan_bus(int nr, struct pci_sys_data *sys) struct pcie_port *pp = sys_to_pcie(sys); pp->root_bus_nr = sys->busnr; - bus = pci_create_root_bus(pp->dev, sys->busnr, + bus = pci_scan_root_bus(pp->dev, sys->busnr, &dw_pcie_ops, sys, &sys->resources); if (!bus) return NULL; - pci_scan_child_bus(bus); - if (bus && pp->ops->scan_bus) pp->ops->scan_bus(pp);