From patchwork Mon Jun 5 08:53:46 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 9765909 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 356EA602B6 for ; Mon, 5 Jun 2017 08:59:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 284B622B39 for ; Mon, 5 Jun 2017 08:59:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1C7F22623C; Mon, 5 Jun 2017 08:59:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9506722B39 for ; Mon, 5 Jun 2017 08:59:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751291AbdFEI7Q (ORCPT ); Mon, 5 Jun 2017 04:59:16 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:56909 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751272AbdFEI7O (ORCPT ); Mon, 5 Jun 2017 04:59:14 -0400 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v558ss7U032485; Mon, 5 Jun 2017 01:58:24 -0700 Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-0016f401.pphosted.com with ESMTP id 2av5cecug8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 05 Jun 2017 01:58:23 -0700 Received: from m0045851.ppops.net (m0045851.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.20/8.16.0.20) with SMTP id v558vFwD000891; Mon, 5 Jun 2017 01:58:23 -0700 Received: from sc-exch03.marvell.com ([199.233.58.183]) by mx0b-0016f401.pphosted.com with ESMTP id 2av5cecug6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 05 Jun 2017 01:58:23 -0700 Received: from SC-EXCH04.marvell.com (10.93.176.84) by SC-EXCH03.marvell.com (10.93.176.83) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Mon, 5 Jun 2017 01:58:21 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Mon, 5 Jun 2017 01:58:21 -0700 Received: from xhacker.marvell.com (unknown [10.37.130.201]) by maili.marvell.com (Postfix) with ESMTP id 539773F703F; Mon, 5 Jun 2017 01:58:16 -0700 (PDT) From: Jisheng Zhang To: , , , , , , , , , , , , , , , , , CC: , , , , , , , , Jisheng Zhang Subject: [PATCH] PCI: dwc: Constify dw_pcie_host_ops structures Date: Mon, 5 Jun 2017 16:53:46 +0800 Message-ID: <20170605085346.3732-1-jszhang@marvell.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-06-05_02:, , signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1706050167 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The dw_pcie_host_ops structures are never modified. Constify these structures such that these can be write-protected. Signed-off-by: Jisheng Zhang Acked-by: Jingoo Han Acked-by: Kishon Vijay Abraham I --- drivers/pci/dwc/pci-dra7xx.c | 2 +- drivers/pci/dwc/pci-exynos.c | 2 +- drivers/pci/dwc/pci-imx6.c | 2 +- drivers/pci/dwc/pci-keystone.c | 2 +- drivers/pci/dwc/pci-layerscape.c | 6 +++--- drivers/pci/dwc/pcie-armada8k.c | 2 +- drivers/pci/dwc/pcie-artpec6.c | 2 +- drivers/pci/dwc/pcie-designware-plat.c | 2 +- drivers/pci/dwc/pcie-designware.h | 2 +- drivers/pci/dwc/pcie-qcom.c | 2 +- drivers/pci/dwc/pcie-spear13xx.c | 2 +- 11 files changed, 13 insertions(+), 13 deletions(-) diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c index 8decf46cf525..e4166032b3c6 100644 --- a/drivers/pci/dwc/pci-dra7xx.c +++ b/drivers/pci/dwc/pci-dra7xx.c @@ -208,7 +208,7 @@ static void dra7xx_pcie_host_init(struct pcie_port *pp) dra7xx_pcie_enable_interrupts(dra7xx); } -static struct dw_pcie_host_ops dra7xx_pcie_host_ops = { +static const struct dw_pcie_host_ops dra7xx_pcie_host_ops = { .host_init = dra7xx_pcie_host_init, }; diff --git a/drivers/pci/dwc/pci-exynos.c b/drivers/pci/dwc/pci-exynos.c index 546082ad5a3f..c78c06552590 100644 --- a/drivers/pci/dwc/pci-exynos.c +++ b/drivers/pci/dwc/pci-exynos.c @@ -590,7 +590,7 @@ static void exynos_pcie_host_init(struct pcie_port *pp) exynos_pcie_enable_interrupts(ep); } -static struct dw_pcie_host_ops exynos_pcie_host_ops = { +static const struct dw_pcie_host_ops exynos_pcie_host_ops = { .rd_own_conf = exynos_pcie_rd_own_conf, .wr_own_conf = exynos_pcie_wr_own_conf, .host_init = exynos_pcie_host_init, diff --git a/drivers/pci/dwc/pci-imx6.c b/drivers/pci/dwc/pci-imx6.c index a98cba55c7f0..fb4816088a7a 100644 --- a/drivers/pci/dwc/pci-imx6.c +++ b/drivers/pci/dwc/pci-imx6.c @@ -602,7 +602,7 @@ static int imx6_pcie_link_up(struct dw_pcie *pci) PCIE_PHY_DEBUG_R1_XMLH_LINK_UP; } -static struct dw_pcie_host_ops imx6_pcie_host_ops = { +static const struct dw_pcie_host_ops imx6_pcie_host_ops = { .host_init = imx6_pcie_host_init, }; diff --git a/drivers/pci/dwc/pci-keystone.c b/drivers/pci/dwc/pci-keystone.c index fcc9723bad6e..4783cec1f78d 100644 --- a/drivers/pci/dwc/pci-keystone.c +++ b/drivers/pci/dwc/pci-keystone.c @@ -291,7 +291,7 @@ static void __init ks_pcie_host_init(struct pcie_port *pp) "Asynchronous external abort"); } -static struct dw_pcie_host_ops keystone_pcie_host_ops = { +static const struct dw_pcie_host_ops keystone_pcie_host_ops = { .rd_other_conf = ks_dw_pcie_rd_other_conf, .wr_other_conf = ks_dw_pcie_wr_other_conf, .host_init = ks_pcie_host_init, diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c index 27d638c4e134..fd861289ad8b 100644 --- a/drivers/pci/dwc/pci-layerscape.c +++ b/drivers/pci/dwc/pci-layerscape.c @@ -39,7 +39,7 @@ struct ls_pcie_drvdata { u32 lut_offset; u32 ltssm_shift; u32 lut_dbg; - struct dw_pcie_host_ops *ops; + const struct dw_pcie_host_ops *ops; const struct dw_pcie_ops *dw_pcie_ops; }; @@ -185,12 +185,12 @@ static int ls_pcie_msi_host_init(struct pcie_port *pp, return 0; } -static struct dw_pcie_host_ops ls1021_pcie_host_ops = { +static const struct dw_pcie_host_ops ls1021_pcie_host_ops = { .host_init = ls1021_pcie_host_init, .msi_host_init = ls_pcie_msi_host_init, }; -static struct dw_pcie_host_ops ls_pcie_host_ops = { +static const struct dw_pcie_host_ops ls_pcie_host_ops = { .host_init = ls_pcie_host_init, .msi_host_init = ls_pcie_msi_host_init, }; diff --git a/drivers/pci/dwc/pcie-armada8k.c b/drivers/pci/dwc/pcie-armada8k.c index 495b023042b3..ea8f34af6a85 100644 --- a/drivers/pci/dwc/pcie-armada8k.c +++ b/drivers/pci/dwc/pcie-armada8k.c @@ -160,7 +160,7 @@ static irqreturn_t armada8k_pcie_irq_handler(int irq, void *arg) return IRQ_HANDLED; } -static struct dw_pcie_host_ops armada8k_pcie_host_ops = { +static const struct dw_pcie_host_ops armada8k_pcie_host_ops = { .host_init = armada8k_pcie_host_init, }; diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c index 82a04acc42fd..01c6f7823672 100644 --- a/drivers/pci/dwc/pcie-artpec6.c +++ b/drivers/pci/dwc/pcie-artpec6.c @@ -184,7 +184,7 @@ static void artpec6_pcie_host_init(struct pcie_port *pp) artpec6_pcie_enable_interrupts(artpec6_pcie); } -static struct dw_pcie_host_ops artpec6_pcie_host_ops = { +static const struct dw_pcie_host_ops artpec6_pcie_host_ops = { .host_init = artpec6_pcie_host_init, }; diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c index a9865d91b43c..091b4e7ad059 100644 --- a/drivers/pci/dwc/pcie-designware-plat.c +++ b/drivers/pci/dwc/pcie-designware-plat.c @@ -46,7 +46,7 @@ static void dw_plat_pcie_host_init(struct pcie_port *pp) dw_pcie_msi_init(pp); } -static struct dw_pcie_host_ops dw_plat_pcie_host_ops = { +static const struct dw_pcie_host_ops dw_plat_pcie_host_ops = { .host_init = dw_plat_pcie_host_init, }; diff --git a/drivers/pci/dwc/pcie-designware.h b/drivers/pci/dwc/pcie-designware.h index c6a840575796..b4d2a89f8e58 100644 --- a/drivers/pci/dwc/pcie-designware.h +++ b/drivers/pci/dwc/pcie-designware.h @@ -162,7 +162,7 @@ struct pcie_port { struct resource *mem; struct resource *busn; int irq; - struct dw_pcie_host_ops *ops; + const struct dw_pcie_host_ops *ops; int msi_irq; struct irq_domain *irq_domain; unsigned long msi_data; diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c index 96ee527c1ed2..39e8c0095715 100644 --- a/drivers/pci/dwc/pcie-qcom.c +++ b/drivers/pci/dwc/pcie-qcom.c @@ -634,7 +634,7 @@ static int qcom_pcie_rd_own_conf(struct pcie_port *pp, int where, int size, return dw_pcie_read(pci->dbi_base + where, size, val); } -static struct dw_pcie_host_ops qcom_pcie_dw_ops = { +static const struct dw_pcie_host_ops qcom_pcie_dw_ops = { .host_init = qcom_pcie_host_init, .rd_own_conf = qcom_pcie_rd_own_conf, }; diff --git a/drivers/pci/dwc/pcie-spear13xx.c b/drivers/pci/dwc/pcie-spear13xx.c index 8ff36b3dbbdf..80897291e0fb 100644 --- a/drivers/pci/dwc/pcie-spear13xx.c +++ b/drivers/pci/dwc/pcie-spear13xx.c @@ -186,7 +186,7 @@ static void spear13xx_pcie_host_init(struct pcie_port *pp) spear13xx_pcie_enable_interrupts(spear13xx_pcie); } -static struct dw_pcie_host_ops spear13xx_pcie_host_ops = { +static const struct dw_pcie_host_ops spear13xx_pcie_host_ops = { .host_init = spear13xx_pcie_host_init, };