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Signed-off-by: Jisheng Zhang --- drivers/pci/controller/dwc/pcie-designware-ep.c | 8 +++----- drivers/pci/controller/dwc/pcie-designware.c | 14 +++++++------- 2 files changed, 10 insertions(+), 12 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c index ad7da4ea43a5..411b7624331d 100644 --- a/drivers/pci/controller/dwc/pcie-designware-ep.c +++ b/drivers/pci/controller/dwc/pcie-designware-ep.c @@ -432,10 +432,8 @@ static void dw_pcie_ep_stop(struct pci_epc *epc) struct dw_pcie_ep *ep = epc_get_drvdata(epc); struct dw_pcie *pci = to_dw_pcie_from_ep(ep); - if (!pci->ops->stop_link) - return; - - pci->ops->stop_link(pci); + if (pci->ops && pci->ops->stop_link) + pci->ops->stop_link(pci); } static int dw_pcie_ep_start(struct pci_epc *epc) @@ -443,7 +441,7 @@ static int dw_pcie_ep_start(struct pci_epc *epc) struct dw_pcie_ep *ep = epc_get_drvdata(epc); struct dw_pcie *pci = to_dw_pcie_from_ep(ep); - if (!pci->ops->start_link) + if (!pci->ops || !pci->ops->start_link) return -EINVAL; return pci->ops->start_link(pci); diff --git a/drivers/pci/controller/dwc/pcie-designware.c b/drivers/pci/controller/dwc/pcie-designware.c index 3c1f17c78241..2a6109109029 100644 --- a/drivers/pci/controller/dwc/pcie-designware.c +++ b/drivers/pci/controller/dwc/pcie-designware.c @@ -140,7 +140,7 @@ u32 dw_pcie_read_dbi(struct dw_pcie *pci, u32 reg, size_t size) int ret; u32 val; - if (pci->ops->read_dbi) + if (pci->ops && pci->ops->read_dbi) return pci->ops->read_dbi(pci, pci->dbi_base, reg, size); ret = dw_pcie_read(pci->dbi_base + reg, size, &val); @@ -155,7 +155,7 @@ void dw_pcie_write_dbi(struct dw_pcie *pci, u32 reg, size_t size, u32 val) { int ret; - if (pci->ops->write_dbi) { + if (pci->ops && pci->ops->write_dbi) { pci->ops->write_dbi(pci, pci->dbi_base, reg, size, val); return; } @@ -170,7 +170,7 @@ void dw_pcie_write_dbi2(struct dw_pcie *pci, u32 reg, size_t size, u32 val) { int ret; - if (pci->ops->write_dbi2) { + if (pci->ops && pci->ops->write_dbi2) { pci->ops->write_dbi2(pci, pci->dbi_base2, reg, size, val); return; } @@ -185,7 +185,7 @@ static u32 dw_pcie_readl_atu(struct dw_pcie *pci, u32 reg) int ret; u32 val; - if (pci->ops->read_dbi) + if (pci->ops && pci->ops->read_dbi) return pci->ops->read_dbi(pci, pci->atu_base, reg, 4); ret = dw_pcie_read(pci->atu_base + reg, 4, &val); @@ -199,7 +199,7 @@ static void dw_pcie_writel_atu(struct dw_pcie *pci, u32 reg, u32 val) { int ret; - if (pci->ops->write_dbi) { + if (pci->ops && pci->ops->write_dbi) { pci->ops->write_dbi(pci, pci->atu_base, reg, 4, val); return; } @@ -270,7 +270,7 @@ static void __dw_pcie_prog_outbound_atu(struct dw_pcie *pci, u8 func_no, { u32 retries, val; - if (pci->ops->cpu_addr_fixup) + if (pci->ops && pci->ops->cpu_addr_fixup) cpu_addr = pci->ops->cpu_addr_fixup(pci, cpu_addr); if (pci->iatu_unroll_enabled) { @@ -478,7 +478,7 @@ int dw_pcie_link_up(struct dw_pcie *pci) { u32 val; - if (pci->ops->link_up) + if (pci->ops && pci->ops->link_up) return pci->ops->link_up(pci); val = readl(pci->dbi_base + PCIE_PORT_DEBUG1); From patchwork Mon Oct 5 08:57:53 2020 Content-Type: text/plain; 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Signed-off-by: Jisheng Zhang --- drivers/pci/controller/dwc/pcie-al.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-al.c b/drivers/pci/controller/dwc/pcie-al.c index f973fbca90cf..a1fe1b847ef1 100644 --- a/drivers/pci/controller/dwc/pcie-al.c +++ b/drivers/pci/controller/dwc/pcie-al.c @@ -339,9 +339,6 @@ static int al_add_pcie_port(struct pcie_port *pp, return 0; } -static const struct dw_pcie_ops dw_pcie_ops = { -}; - static int al_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -360,7 +357,6 @@ static int al_pcie_probe(struct platform_device *pdev) return -ENOMEM; pci->dev = dev; - pci->ops = &dw_pcie_ops; al_pcie->pci = pci; al_pcie->dev = dev; From patchwork Mon Oct 5 09:03:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 11816363 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BDB6692C for ; 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Mon, 5 Oct 2020 09:16:47 +0000 Date: Mon, 5 Oct 2020 17:03:43 +0800 From: Jisheng Zhang To: Richard Zhu , Lucas Stach , Lorenzo Pieralisi , Rob Herring , Bjorn Helgaas , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Jonathan Chocron , Jingoo Han , Gustavo Pimentel Subject: [PATCH dwc-next 3/3] PCI: dwc: imx6: Remove useless dw_pcie_ops Message-ID: <20201005170343.49ced6ac@xhacker.debian> In-Reply-To: <20201005165657.0fd31b10@xhacker.debian> References: <20201005165657.0fd31b10@xhacker.debian> X-Mailer: Claws Mail 3.17.6 (GTK+ 2.24.32; x86_64-pc-linux-gnu) X-Originating-IP: [124.74.246.114] X-ClientProxiedBy: TYAPR01CA0070.jpnprd01.prod.outlook.com (2603:1096:404:2b::34) To DM6PR03MB4555.namprd03.prod.outlook.com (2603:10b6:5:102::17) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from xhacker.debian (124.74.246.114) by TYAPR01CA0070.jpnprd01.prod.outlook.com (2603:1096:404:2b::34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3433.34 via Frontend Transport; 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Signed-off-by: Jisheng Zhang --- drivers/pci/controller/dwc/pci-imx6.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 337c74cbdfdb..72f8bc7d878c 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -870,10 +870,6 @@ static int imx6_add_pcie_port(struct imx6_pcie *imx6_pcie, return 0; } -static const struct dw_pcie_ops dw_pcie_ops = { - /* No special ops needed, but pcie-designware still expects this struct */ -}; - #ifdef CONFIG_PM_SLEEP static void imx6_pcie_ltssm_disable(struct device *dev) { @@ -1013,7 +1009,6 @@ static int imx6_pcie_probe(struct platform_device *pdev) return -ENOMEM; pci->dev = dev; - pci->ops = &dw_pcie_ops; imx6_pcie->pci = pci; imx6_pcie->drvdata = of_device_get_match_data(dev);