From patchwork Thu Aug 22 11:22:35 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaowei Bao X-Patchwork-Id: 1151511 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=fail (p=none dis=none) header.from=nxp.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46Dj8k4tDNz9sML for ; Thu, 22 Aug 2019 21:33:42 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388198AbfHVLc7 (ORCPT ); Thu, 22 Aug 2019 07:32:59 -0400 Received: from inva021.nxp.com ([92.121.34.21]:33938 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388182AbfHVLc6 (ORCPT ); Thu, 22 Aug 2019 07:32:58 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id E5DC42005F5; Thu, 22 Aug 2019 13:32:55 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 12095200613; Thu, 22 Aug 2019 13:32:46 +0200 (CEST) Received: from titan.ap.freescale.net (TITAN.ap.freescale.net [10.192.208.233]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id EC4E6402E1; Thu, 22 Aug 2019 19:32:33 +0800 (SGT) From: Xiaowei Bao To: bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, shawnguo@kernel.org, leoyang.li@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.co, arnd@arndb.de, gregkh@linuxfoundation.org, minghuan.Lian@nxp.com, mingkai.hu@nxp.com, roy.zang@nxp.com, jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, andrew.murray@arm.com Cc: Xiaowei Bao Subject: [PATCH v2 03/10] PCI: designware-ep: Move the function of getting MSI capability forward Date: Thu, 22 Aug 2019 19:22:35 +0800 Message-Id: <20190822112242.16309-3-xiaowei.bao@nxp.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190822112242.16309-1-xiaowei.bao@nxp.com> References: <20190822112242.16309-1-xiaowei.bao@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Move the function of getting MSI capability to the front of init function, because the init function of the EP platform driver will use the return value by the function of getting MSI capability. Signed-off-by: Xiaowei Bao Reviewed-by: Andrew Murray --- v2: - No change. drivers/pci/controller/dwc/pcie-designware-ep.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index b8388f8..0a6c199 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -656,6 +656,10 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) if (ret < 0) epc->max_functions = 1; + ep->msi_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSI); + + ep->msix_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSIX); + if (ep->ops->ep_init) ep->ops->ep_init(ep); @@ -672,9 +676,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) dev_err(dev, "Failed to reserve memory for MSI/MSI-X\n"); return -ENOMEM; } - ep->msi_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSI); - - ep->msix_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSIX); offset = dw_pcie_ep_find_ext_capability(pci, PCI_EXT_CAP_ID_REBAR); if (offset) {