From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F56CC388F7 for ; Wed, 28 Oct 2020 21:03:59 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 45A0C24837 for ; Wed, 28 Oct 2020 21:03:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 45A0C24837 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4CM1Jr05jLzDqWJ for ; Thu, 29 Oct 2020 08:03:56 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=209.85.167.193; helo=mail-oi1-f193.google.com; envelope-from=robherring2@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=fail (p=none dis=none) header.from=kernel.org Received: from mail-oi1-f193.google.com (mail-oi1-f193.google.com [209.85.167.193]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4CM0xX3S8XzDqVH for ; Thu, 29 Oct 2020 07:47:12 +1100 (AEDT) Received: by mail-oi1-f193.google.com with SMTP id x1so926796oic.13 for ; Wed, 28 Oct 2020 13:47:12 -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=ng/GAl5FdMyCfMLo4b2AYiSa5+E2Pt1yYN1bVlxDhEE=; b=oPAALws5WQz9mdyZoRBQFoQ6gSPIXOfAaNze5SB1q5G1WDZHjco3/blzffx3cgFNHE r4Dh57guUzMETxRNHzxIgl8dvgsuciyGC3qUtUR4+TVDlqU1ufl1c/Qoc6xupVled2xN LAUsu+GlDw7KXR6k68IDN5WvlALfleTnGSL48ybc3D3XsY6mo1TfWakL7oS6fQiaj4S6 FI1ejgoxUhou4sJ+i97Z9cFuJiywkaO38BERlrjujDny2sQ2XuRk9AwpBihsLlMIwWnD fdkG51atG2/1TqdVsDMvz6M2VhzM45QJRCMZ/k1DK4w3/fWgL/e+OnFI0U70tfAS41zR wnPg== X-Gm-Message-State: AOAM5332CADkkHdmydhWNvNQ9PD8Oip+HpEnwqkEU3vpSR2Kheo3oLGK BOeyRQbdppug8rYd/SWvGg== X-Google-Smtp-Source: ABdhPJy6QkZYEmUelC0w45P+ePMwzFGxx/TsELwaH8o2JDUE/TKg1CzKG7CAK6txRNEF/Pw3727NpA== X-Received: by 2002:aca:fcc5:: with SMTP id a188mr654973oii.76.1603918030170; Wed, 28 Oct 2020 13:47:10 -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.3.2020.10.28.13.47.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Oct 2020 13:47:09 -0700 (PDT) From: Rob Herring To: Lorenzo Pieralisi Subject: [PATCH 08/13] PCI: dwc: Move MSI interrupt setup into DWC common code Date: Wed, 28 Oct 2020 15:46:41 -0500 Message-Id: <20201028204646.356535-9-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 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kunihiko Hayashi , Neil Armstrong , linux-pci@vger.kernel.org, Binghui Wang , Bjorn Andersson , linux-tegra@vger.kernel.org, Thierry Reding , linux-arm-kernel@axis.com, Thomas Petazzoni , Jonathan Chocron , Shawn Guo , Jonathan Hunter , Fabio Estevam , Jerome Brunet , Jesper Nilsson , linux-samsung-soc@vger.kernel.org, Minghuan Lian , Kevin Hilman , Pratyush Anand , Krzysztof Kozlowski , Kishon Vijay Abraham I , Kukjin Kim , NXP Linux Team , Xiaowei Song , Richard Zhu , Martin Blumenstingl , linux-arm-msm@vger.kernel.org, Sascha Hauer , Yue Wang , Murali Karicheri , Bjorn Helgaas , linux-amlogic@lists.infradead.org, linux-omap@vger.kernel.org, Mingkai Hu , Roy Zang , Masahiro Yamada , Jingoo Han , Andy Gross , Stanimir Varbanov , Pengutronix Kernel Team , Gustavo Pimentel , linuxppc-dev@lists.ozlabs.org, Lucas Stach Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Platforms using the built-in DWC MSI controller all have a dedicated interrupt with "msi" name or at index 0, so let's move setting up the interrupt to the common DWC code. spear13xx and dra7xx are the 2 oddballs with muxed interrupts, so we need to prevent configuring the MSI interrupt by setting msi_irq to negative. Cc: Jingoo Han Cc: Lorenzo Pieralisi Cc: Bjorn Helgaas Cc: Kukjin Kim Cc: Krzysztof Kozlowski Cc: Richard Zhu Cc: Lucas Stach Cc: Shawn Guo Cc: Sascha Hauer Cc: Pengutronix Kernel Team Cc: Fabio Estevam Cc: NXP Linux Team Cc: Yue Wang Cc: Kevin Hilman Cc: Neil Armstrong Cc: Jerome Brunet Cc: Martin Blumenstingl Cc: Jesper Nilsson Cc: Gustavo Pimentel Cc: Xiaowei Song Cc: Binghui Wang Cc: Stanimir Varbanov Cc: Andy Gross Cc: Bjorn Andersson Cc: Pratyush Anand Cc: Thierry Reding Cc: Jonathan Hunter Cc: Kunihiko Hayashi Cc: Masahiro Yamada Cc: linux-samsung-soc@vger.kernel.org Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-kernel@axis.com Cc: linux-arm-msm@vger.kernel.org Cc: linux-tegra@vger.kernel.org Signed-off-by: Rob Herring --- drivers/pci/controller/dwc/pci-dra7xx.c | 3 +++ drivers/pci/controller/dwc/pci-exynos.c | 6 ----- drivers/pci/controller/dwc/pci-imx6.c | 6 ----- drivers/pci/controller/dwc/pci-meson.c | 6 ----- drivers/pci/controller/dwc/pcie-artpec6.c | 6 ----- .../pci/controller/dwc/pcie-designware-host.c | 11 +++++++++- .../pci/controller/dwc/pcie-designware-plat.c | 6 ----- drivers/pci/controller/dwc/pcie-histb.c | 6 ----- drivers/pci/controller/dwc/pcie-kirin.c | 22 ------------------- drivers/pci/controller/dwc/pcie-qcom.c | 8 ------- drivers/pci/controller/dwc/pcie-spear13xx.c | 1 + drivers/pci/controller/dwc/pcie-tegra194.c | 8 ------- drivers/pci/controller/dwc/pcie-uniphier.c | 6 ----- 13 files changed, 14 insertions(+), 81 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index 4d0c35a4aa59..6b75c68dddb5 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -489,6 +489,9 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx, if (pp->irq < 0) return pp->irq; + /* MSI IRQ is muxed */ + pp->msi_irq = -ENODEV; + ret = dra7xx_pcie_init_irq_domain(pp); if (ret < 0) return ret; diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c index 242683cde04a..7734394953e5 100644 --- a/drivers/pci/controller/dwc/pci-exynos.c +++ b/drivers/pci/controller/dwc/pci-exynos.c @@ -415,12 +415,6 @@ static int __init exynos_add_pcie_port(struct exynos_pcie *ep, return ret; } - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = platform_get_irq(pdev, 0); - if (pp->msi_irq < 0) - return pp->msi_irq; - } - pp->ops = &exynos_pcie_host_ops; ret = dw_pcie_host_init(pp); diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index 7dd137d62dca..1b979c956fcd 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -853,12 +853,6 @@ static int imx6_add_pcie_port(struct imx6_pcie *imx6_pcie, struct device *dev = &pdev->dev; int ret; - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = platform_get_irq_byname(pdev, "msi"); - if (pp->msi_irq < 0) - return pp->msi_irq; - } - pp->ops = &imx6_pcie_host_ops; ret = dw_pcie_host_init(pp); diff --git a/drivers/pci/controller/dwc/pci-meson.c b/drivers/pci/controller/dwc/pci-meson.c index 1913dc2c8fa0..10d65b3093e4 100644 --- a/drivers/pci/controller/dwc/pci-meson.c +++ b/drivers/pci/controller/dwc/pci-meson.c @@ -405,12 +405,6 @@ static int meson_add_pcie_port(struct meson_pcie *mp, struct device *dev = &pdev->dev; int ret; - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = platform_get_irq(pdev, 0); - if (pp->msi_irq < 0) - return pp->msi_irq; - } - pp->ops = &meson_pcie_host_ops; ret = dw_pcie_host_init(pp); diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c index 52ad7909cd0c..a5239a58cee0 100644 --- a/drivers/pci/controller/dwc/pcie-artpec6.c +++ b/drivers/pci/controller/dwc/pcie-artpec6.c @@ -348,12 +348,6 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie, struct device *dev = pci->dev; int ret; - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = platform_get_irq_byname(pdev, "msi"); - if (pp->msi_irq < 0) - return pp->msi_irq; - } - pp->ops = &artpec6_pcie_host_ops; ret = dw_pcie_host_init(pp); diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 1bd6a9762426..0f77e4d4b385 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -373,13 +373,22 @@ int dw_pcie_host_init(struct pcie_port *pp) } if (!pp->ops->msi_host_init) { + if (!pp->msi_irq) { + pp->msi_irq = platform_get_irq_byname(pdev, "msi"); + if (pp->msi_irq < 0) { + pp->msi_irq = platform_get_irq(pdev, 0); + if (pp->msi_irq < 0) + return pp->msi_irq; + } + } + pp->msi_irq_chip = &dw_pci_msi_bottom_irq_chip; ret = dw_pcie_allocate_domains(pp); if (ret) return ret; - if (pp->msi_irq) + if (pp->msi_irq > 0) irq_set_chained_handler_and_data(pp->msi_irq, dw_chained_msi_isr, pp); diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c index 13fede1d4157..3da38ac6a87a 100644 --- a/drivers/pci/controller/dwc/pcie-designware-plat.c +++ b/drivers/pci/controller/dwc/pcie-designware-plat.c @@ -116,12 +116,6 @@ static int dw_plat_add_pcie_port(struct dw_plat_pcie *dw_plat_pcie, if (pp->irq < 0) return pp->irq; - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = platform_get_irq(pdev, 0); - if (pp->msi_irq < 0) - return pp->msi_irq; - } - pp->num_vectors = MAX_MSI_IRQS; pp->ops = &dw_plat_pcie_host_ops; diff --git a/drivers/pci/controller/dwc/pcie-histb.c b/drivers/pci/controller/dwc/pcie-histb.c index afc1abbe49aa..777e24902afb 100644 --- a/drivers/pci/controller/dwc/pcie-histb.c +++ b/drivers/pci/controller/dwc/pcie-histb.c @@ -400,12 +400,6 @@ static int histb_pcie_probe(struct platform_device *pdev) return PTR_ERR(hipcie->bus_reset); } - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = platform_get_irq_byname(pdev, "msi"); - if (pp->msi_irq < 0) - return pp->msi_irq; - } - hipcie->phy = devm_phy_get(dev, "phy"); if (IS_ERR(hipcie->phy)) { dev_info(dev, "no pcie-phy found\n"); diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c index 3042a23cf09a..ba03dbca7885 100644 --- a/drivers/pci/controller/dwc/pcie-kirin.c +++ b/drivers/pci/controller/dwc/pcie-kirin.c @@ -439,31 +439,9 @@ static const struct dw_pcie_host_ops kirin_pcie_host_ops = { .host_init = kirin_pcie_host_init, }; -static int kirin_pcie_add_msi(struct dw_pcie *pci, - struct platform_device *pdev) -{ - int irq; - - if (IS_ENABLED(CONFIG_PCI_MSI)) { - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - pci->pp.msi_irq = irq; - } - - return 0; -} - static int kirin_add_pcie_port(struct dw_pcie *pci, struct platform_device *pdev) { - int ret; - - ret = kirin_pcie_add_msi(pci, pdev); - if (ret) - return ret; - pci->pp.ops = &kirin_pcie_host_ops; return dw_pcie_host_init(&pci->pp); diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 3b4f70b9f3f0..7ac08f0cae17 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -1424,14 +1424,6 @@ static int qcom_pcie_probe(struct platform_device *pdev) pp->ops = &qcom_pcie_dw_ops; - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = platform_get_irq_byname(pdev, "msi"); - if (pp->msi_irq < 0) { - ret = pp->msi_irq; - goto err_pm_runtime_put; - } - } - ret = phy_init(pcie->phy); if (ret) { pm_runtime_disable(&pdev->dev); diff --git a/drivers/pci/controller/dwc/pcie-spear13xx.c b/drivers/pci/controller/dwc/pcie-spear13xx.c index 1ed7e3501ff1..800c34a60a33 100644 --- a/drivers/pci/controller/dwc/pcie-spear13xx.c +++ b/drivers/pci/controller/dwc/pcie-spear13xx.c @@ -185,6 +185,7 @@ static int spear13xx_add_pcie_port(struct spear13xx_pcie *spear13xx_pcie, } pp->ops = &spear13xx_pcie_host_ops; + pp->msi_irq = -ENODEV; ret = dw_pcie_host_init(pp); if (ret) { diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 5e2841f58700..77fc3ba3dec1 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1554,14 +1554,6 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw *pcie) char *name; int ret; - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = of_irq_get_byname(dev->of_node, "msi"); - if (!pp->msi_irq) { - dev_err(dev, "Failed to get MSI interrupt\n"); - return -ENODEV; - } - } - pm_runtime_enable(dev); ret = pm_runtime_get_sync(dev); diff --git a/drivers/pci/controller/dwc/pcie-uniphier.c b/drivers/pci/controller/dwc/pcie-uniphier.c index 33130fb4af90..6198bd106b8a 100644 --- a/drivers/pci/controller/dwc/pcie-uniphier.c +++ b/drivers/pci/controller/dwc/pcie-uniphier.c @@ -341,12 +341,6 @@ static int uniphier_add_pcie_port(struct uniphier_pcie_priv *priv, pp->ops = &uniphier_pcie_host_ops; - if (IS_ENABLED(CONFIG_PCI_MSI)) { - pp->msi_irq = platform_get_irq_byname(pdev, "msi"); - if (pp->msi_irq < 0) - return pp->msi_irq; - } - ret = dw_pcie_host_init(pp); if (ret) { dev_err(dev, "Failed to initialize host (%d)\n", ret); -- 2.25.1