From patchwork Wed Oct 28 20:46:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 11863239 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 EA5D361C for ; Wed, 28 Oct 2020 21:43:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC4E9246CD for ; Wed, 28 Oct 2020 21:43:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603921429; bh=bwBwBIM+qomyAO93ZnsgiTlvnK7B3ekO1eAHigtKhe8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=LKhbniKYin1BcJ0Hk56jhnEVOAJCMehu7RNg2JJNB6nPGkbKE/WXCbry7thKvYv94 Rwv3fczFMsS23TOLPPXSsR2MiA7yAMTzCWReOYzywHr7kzqh1LdxZ7Ag7lPhFOd1cJ 9rDDxIHxE0wHN/fPvkLCXR1zam+61Gr6kscMHink= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726363AbgJ1Vns (ORCPT ); Wed, 28 Oct 2020 17:43:48 -0400 Received: from mail-yb1-f196.google.com ([209.85.219.196]:46964 "EHLO mail-yb1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726182AbgJ1Vnn (ORCPT ); Wed, 28 Oct 2020 17:43:43 -0400 Received: by mail-yb1-f196.google.com with SMTP id a4so397483ybq.13; Wed, 28 Oct 2020 14:43:41 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=jLtdQtf3WAcV9X++ahXRYw9T14oWIpf65Dsq+SFgKNI=; b=hH8HUjxchT1EZDwtfev1Ys6msQVDadPoLkSauie7NmiBQ31dH4p9ssGPrGOPafX3/f 2Q0TrdP1/U2PHHdizeCqsv8Mjp4Vsw4Gn+pzTYVqMZQWhxAVL2Q0aGyxsxqXmBvMZPFm tC+HR0nJWYsqyhFDQCTpLNew6sVuYreuh8nOYeonrhNIAchQUo7nFrqHQ4DB9wRJG7QV x8JW61yl3DlDOn8bRGHk6ZYH02+/hkmIff58pOjUVB6G5AEdZl/uhJQUw8CDKcpEWWDW K6CsqqpKFWD8fZE+fDQAGrr4MgRL6QlUHCv8tZq0e2ltVaPoniEiIEc0mCMDR99X/hRk pdyQ== X-Gm-Message-State: AOAM531g/CN1dUCOt3GYF6o2w00GmOOSZCYlTzxGqMpsZnCYbO6o6o7Y IWFwHWfWzmyKlwQDxirhE3t2SYNKxA== X-Google-Smtp-Source: ABdhPJxnNRS14MFRfXMOMoJpknKY2nesKkmauQwraiawQ+52twXO9gG8BZtOR7eF2YbXdQeyu9DH4Q== X-Received: by 2002:a4a:b28b:: with SMTP id k11mr649619ooo.54.1603918043023; Wed, 28 Oct 2020 13:47:23 -0700 (PDT) Received: from xps15.herring.priv (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.googlemail.com with ESMTPSA id t17sm116123oor.3.2020.10.28.13.47.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Oct 2020 13:47:22 -0700 (PDT) From: Rob Herring To: Lorenzo Pieralisi Cc: linux-pci@vger.kernel.org, Andy Gross , Binghui Wang , Bjorn Andersson , Bjorn Helgaas , Fabio Estevam , Gustavo Pimentel , Jerome Brunet , Jesper Nilsson , Jingoo Han , Jonathan Chocron , Jonathan Hunter , Kevin Hilman , Kishon Vijay Abraham I , Krzysztof Kozlowski , Kukjin Kim , Kunihiko Hayashi , linux-amlogic@lists.infradead.org, linux-arm-kernel@axis.com, linux-arm-msm@vger.kernel.org, linux-omap@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, Lucas Stach , Martin Blumenstingl , Masahiro Yamada , Minghuan Lian , Mingkai Hu , Murali Karicheri , Neil Armstrong , NXP Linux Team , Pengutronix Kernel Team , Pratyush Anand , Richard Zhu , Roy Zang , Sascha Hauer , Shawn Guo , Stanimir Varbanov , Thierry Reding , Thomas Petazzoni , Xiaowei Song , Yue Wang Subject: [PATCH 13/13] PCI: dwc: Remove unnecessary wrappers around dw_pcie_host_init() Date: Wed, 28 Oct 2020 15:46:46 -0500 Message-Id: <20201028204646.356535-14-robh@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201028204646.356535-1-robh@kernel.org> References: <20201028204646.356535-1-robh@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Many calls to dw_pcie_host_init() are in a wrapper function with nothing else now. Let's remove the pointless extra layer. Cc: Richard Zhu Cc: Lucas Stach Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Shawn Guo Cc: Sascha Hauer Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: NXP Linux Team Cc: Murali Karicheri Cc: Minghuan Lian Cc: Mingkai Hu Cc: Roy Zang Cc: Yue Wang Cc: Kevin Hilman Cc: Neil Armstrong Cc: Jerome Brunet Cc: Martin Blumenstingl Cc: Jonathan Chocron Cc: Jesper Nilsson Cc: Xiaowei Song Cc: Binghui Wang Cc: Kunihiko Hayashi Cc: Masahiro Yamada Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@axis.com Signed-off-by: Rob Herring --- drivers/pci/controller/dwc/pci-imx6.c | 26 ++------------------- drivers/pci/controller/dwc/pci-keystone.c | 19 +-------------- drivers/pci/controller/dwc/pci-layerscape.c | 26 ++------------------- drivers/pci/controller/dwc/pci-meson.c | 22 ++--------------- drivers/pci/controller/dwc/pcie-al.c | 20 ++-------------- drivers/pci/controller/dwc/pcie-artpec6.c | 23 +++--------------- drivers/pci/controller/dwc/pcie-kirin.c | 11 ++------- drivers/pci/controller/dwc/pcie-uniphier.c | 23 +++--------------- 8 files changed, 17 insertions(+), 153 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 4ba0b1195ecf..73e5cfc0725a 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -842,25 +842,6 @@ static const struct dw_pcie_host_ops imx6_pcie_host_ops = { .host_init = imx6_pcie_host_init, }; -static int imx6_add_pcie_port(struct imx6_pcie *imx6_pcie, - struct platform_device *pdev) -{ - struct dw_pcie *pci = imx6_pcie->pci; - struct pcie_port *pp = &pci->pp; - struct device *dev = &pdev->dev; - int ret; - - pp->ops = &imx6_pcie_host_ops; - - ret = dw_pcie_host_init(pp); - if (ret) { - dev_err(dev, "failed to initialize host\n"); - return ret; - } - - return 0; -} - static const struct dw_pcie_ops dw_pcie_ops = { .start_link = imx6_pcie_start_link, }; @@ -1004,6 +985,7 @@ static int imx6_pcie_probe(struct platform_device *pdev) pci->dev = dev; pci->ops = &dw_pcie_ops; + pci->pp.ops = &imx6_pcie_host_ops; imx6_pcie->pci = pci; imx6_pcie->drvdata = of_device_get_match_data(dev); @@ -1153,11 +1135,7 @@ static int imx6_pcie_probe(struct platform_device *pdev) if (ret) return ret; - ret = imx6_add_pcie_port(imx6_pcie, pdev); - if (ret < 0) - return ret; - - return 0; + return dw_pcie_host_init(&pci->pp); } static void imx6_pcie_shutdown(struct platform_device *pdev) diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index 5a4bcc2b1ddb..719756160821 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -844,23 +844,6 @@ static irqreturn_t ks_pcie_err_irq_handler(int irq, void *priv) return ks_pcie_handle_error_irq(ks_pcie); } -static int __init ks_pcie_add_pcie_port(struct keystone_pcie *ks_pcie, - struct platform_device *pdev) -{ - struct dw_pcie *pci = ks_pcie->pci; - struct pcie_port *pp = &pci->pp; - struct device *dev = &pdev->dev; - int ret; - - ret = dw_pcie_host_init(pp); - if (ret) { - dev_err(dev, "failed to initialize host\n"); - return ret; - } - - return 0; -} - static void ks_pcie_am654_write_dbi2(struct dw_pcie *pci, void __iomem *base, u32 reg, size_t size, u32 val) { @@ -1255,7 +1238,7 @@ static int __init ks_pcie_probe(struct platform_device *pdev) } pci->pp.ops = host_ops; - ret = ks_pcie_add_pcie_port(ks_pcie, pdev); + ret = dw_pcie_host_init(&pci->pp); if (ret < 0) goto err_get_sync; break; diff --git a/drivers/pci/controller/dwc/pci-layerscape.c b/drivers/pci/controller/dwc/pci-layerscape.c index 400ebbebd00f..44ad34cdc3bc 100644 --- a/drivers/pci/controller/dwc/pci-layerscape.c +++ b/drivers/pci/controller/dwc/pci-layerscape.c @@ -232,31 +232,12 @@ static const struct of_device_id ls_pcie_of_match[] = { { }, }; -static int __init ls_add_pcie_port(struct ls_pcie *pcie) -{ - struct dw_pcie *pci = pcie->pci; - struct pcie_port *pp = &pci->pp; - struct device *dev = pci->dev; - int ret; - - pp->ops = pcie->drvdata->ops; - - ret = dw_pcie_host_init(pp); - if (ret) { - dev_err(dev, "failed to initialize host\n"); - return ret; - } - - return 0; -} - static int __init ls_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct dw_pcie *pci; struct ls_pcie *pcie; struct resource *dbi_base; - int ret; pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); if (!pcie) @@ -270,6 +251,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev) pci->dev = dev; pci->ops = pcie->drvdata->dw_pcie_ops; + pci->pp.ops = pcie->drvdata->ops; pcie->pci = pci; @@ -285,11 +267,7 @@ static int __init ls_pcie_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pcie); - ret = ls_add_pcie_port(pcie); - if (ret < 0) - return ret; - - return 0; + return dw_pcie_host_init(&pci->pp); } static struct platform_driver ls_pcie_driver = { diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c index 04589f0decb2..686ded034f22 100644 --- a/drivers/pci/controller/dwc/pci-meson.c +++ b/drivers/pci/controller/dwc/pci-meson.c @@ -387,25 +387,6 @@ static const struct dw_pcie_host_ops meson_pcie_host_ops = { .host_init = meson_pcie_host_init, }; -static int meson_add_pcie_port(struct meson_pcie *mp, - struct platform_device *pdev) -{ - struct dw_pcie *pci = &mp->pci; - struct pcie_port *pp = &pci->pp; - struct device *dev = &pdev->dev; - int ret; - - pp->ops = &meson_pcie_host_ops; - - ret = dw_pcie_host_init(pp); - if (ret) { - dev_err(dev, "failed to initialize host\n"); - return ret; - } - - return 0; -} - static const struct dw_pcie_ops dw_pcie_ops = { .link_up = meson_pcie_link_up, .start_link = meson_pcie_start_link, @@ -425,6 +406,7 @@ static int meson_pcie_probe(struct platform_device *pdev) pci = &mp->pci; pci->dev = dev; pci->ops = &dw_pcie_ops; + pci->pp.ops = &meson_pcie_host_ops; pci->num_lanes = 1; mp->phy = devm_phy_get(dev, "pcie"); @@ -471,7 +453,7 @@ static int meson_pcie_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mp); - ret = meson_add_pcie_port(mp, pdev); + ret = dw_pcie_host_init(&pci->pp); if (ret < 0) { dev_err(dev, "Add PCIe port failed, %d\n", ret); goto err_phy; diff --git a/drivers/pci/controller/dwc/pcie-al.c b/drivers/pci/controller/dwc/pcie-al.c index d06866921187..7ac8a37d9ce0 100644 --- a/drivers/pci/controller/dwc/pcie-al.c +++ b/drivers/pci/controller/dwc/pcie-al.c @@ -322,23 +322,6 @@ static const struct dw_pcie_host_ops al_pcie_host_ops = { .host_init = al_pcie_host_init, }; -static int al_add_pcie_port(struct pcie_port *pp, - struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - int ret; - - pp->ops = &al_pcie_host_ops; - - ret = dw_pcie_host_init(pp); - if (ret) { - dev_err(dev, "failed to initialize host\n"); - return ret; - } - - return 0; -} - static const struct dw_pcie_ops dw_pcie_ops = { }; @@ -360,6 +343,7 @@ static int al_pcie_probe(struct platform_device *pdev) pci->dev = dev; pci->ops = &dw_pcie_ops; + pci->pp.ops = &al_pcie_host_ops; al_pcie->pci = pci; al_pcie->dev = dev; @@ -384,7 +368,7 @@ static int al_pcie_probe(struct platform_device *pdev) platform_set_drvdata(pdev, al_pcie); - return al_add_pcie_port(&pci->pp, pdev); + return dw_pcie_host_init(&pci->pp); } static const struct of_device_id al_pcie_of_match[] = { diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c index fcba9915a606..597c282f586c 100644 --- a/drivers/pci/controller/dwc/pcie-artpec6.c +++ b/drivers/pci/controller/dwc/pcie-artpec6.c @@ -336,25 +336,6 @@ static const struct dw_pcie_host_ops artpec6_pcie_host_ops = { .host_init = artpec6_pcie_host_init, }; -static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie, - struct platform_device *pdev) -{ - struct dw_pcie *pci = artpec6_pcie->pci; - struct pcie_port *pp = &pci->pp; - struct device *dev = pci->dev; - int ret; - - pp->ops = &artpec6_pcie_host_ops; - - ret = dw_pcie_host_init(pp); - if (ret) { - dev_err(dev, "failed to initialize host\n"); - return ret; - } - - return 0; -} - static void artpec6_pcie_ep_init(struct dw_pcie_ep *ep) { struct dw_pcie *pci = to_dw_pcie_from_ep(ep); @@ -445,7 +426,9 @@ static int artpec6_pcie_probe(struct platform_device *pdev) if (!IS_ENABLED(CONFIG_PCIE_ARTPEC6_HOST)) return -ENODEV; - ret = artpec6_add_pcie_port(artpec6_pcie, pdev); + pci->pp.ops = &artpec6_pcie_host_ops; + + ret = dw_pcie_host_init(&pci->pp); if (ret < 0) return ret; break; diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c index ac4bbdaf5324..026fd1e42a55 100644 --- a/drivers/pci/controller/dwc/pcie-kirin.c +++ b/drivers/pci/controller/dwc/pcie-kirin.c @@ -419,14 +419,6 @@ static const struct dw_pcie_host_ops kirin_pcie_host_ops = { .host_init = kirin_pcie_host_init, }; -static int kirin_add_pcie_port(struct dw_pcie *pci, - struct platform_device *pdev) -{ - pci->pp.ops = &kirin_pcie_host_ops; - - return dw_pcie_host_init(&pci->pp); -} - static int kirin_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -449,6 +441,7 @@ static int kirin_pcie_probe(struct platform_device *pdev) pci->dev = dev; pci->ops = &kirin_dw_pcie_ops; + pci->pp.ops = &kirin_pcie_host_ops; kirin_pcie->pci = pci; ret = kirin_pcie_get_clk(kirin_pcie, pdev); @@ -474,7 +467,7 @@ static int kirin_pcie_probe(struct platform_device *pdev) platform_set_drvdata(pdev, kirin_pcie); - return kirin_add_pcie_port(pci, pdev); + return dw_pcie_host_init(&pci->pp); } static const struct of_device_id kirin_pcie_match[] = { diff --git a/drivers/pci/controller/dwc/pcie-uniphier.c b/drivers/pci/controller/dwc/pcie-uniphier.c index 2457e9dd098d..7e8bad326770 100644 --- a/drivers/pci/controller/dwc/pcie-uniphier.c +++ b/drivers/pci/controller/dwc/pcie-uniphier.c @@ -321,25 +321,6 @@ static const struct dw_pcie_host_ops uniphier_pcie_host_ops = { .host_init = uniphier_pcie_host_init, }; -static int uniphier_add_pcie_port(struct uniphier_pcie_priv *priv, - struct platform_device *pdev) -{ - struct dw_pcie *pci = &priv->pci; - struct pcie_port *pp = &pci->pp; - struct device *dev = &pdev->dev; - int ret; - - pp->ops = &uniphier_pcie_host_ops; - - ret = dw_pcie_host_init(pp); - if (ret) { - dev_err(dev, "Failed to initialize host (%d)\n", ret); - return ret; - } - - return 0; -} - static int uniphier_pcie_host_enable(struct uniphier_pcie_priv *priv) { int ret; @@ -415,7 +396,9 @@ static int uniphier_pcie_probe(struct platform_device *pdev) if (ret) return ret; - return uniphier_add_pcie_port(priv, pdev); + priv->pci.pp.ops = &uniphier_pcie_host_ops; + + return dw_pcie_host_init(&priv->pci.pp); } static const struct of_device_id uniphier_pcie_match[] = {