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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5EFDAC43334 for ; Wed, 8 Jun 2022 10:31:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237381AbiFHKbA (ORCPT ); Wed, 8 Jun 2022 06:31:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49498 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238186AbiFHK3z (ORCPT ); Wed, 8 Jun 2022 06:29:55 -0400 Received: from mail-lf1-x136.google.com (mail-lf1-x136.google.com [IPv6:2a00:1450:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5216195787 for ; Wed, 8 Jun 2022 03:22:14 -0700 (PDT) Received: by mail-lf1-x136.google.com with SMTP id u26so31774717lfd.8 for ; Wed, 08 Jun 2022 03:22:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ttqvdGbVg+VHIUwPExoYgB8MefJyNqzv9JLO0meMP0Y=; b=UQbrJ11d4OV0ShIbdZ4gEPDLTlbGWd3gwY6ykrouM2/vKx1j+w7FpwzG7xwLweBu1+ JLO5DgsHu3Ey+uX/trBihIfbiLFcADOEGqP6KELhREAAyEYLUecdKyMfUDewk5xWHGhh MWGzArZRDjpvjTKdHnIPjHQJgPCBzJ7xPwflwX3TkVGgW1UJelYKYk+I2Q3Yj8m9Kn/r 1094ByD0CJRKUnokPYjP8QBiPvHMZbIGRh086ywO+UDXUGiUrqaqutCYo4dUngOHI9iX YFFT9+rXjicGeLX4Em5WcLxQJokOZVejthFRLGVYH+MF0+qclFByrGIpPL7VEYKqRYuC q7Dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ttqvdGbVg+VHIUwPExoYgB8MefJyNqzv9JLO0meMP0Y=; b=sc0mouZ+ARpGMrZSTOiiBLhAfsLRwtUeEKWcPdqz47GLwbpKDDfgXRNNWRlQU9RluL pyS74JwBtQM3maDR6tnh88WjRwyAxsUPXktD6crAKxy6VN1jdn/RGnBHjs0KrNYjf76j wnO8r2n+t6zhM2j/oWcoQFL6+fBeM59wV3SNwfOO3ub08fwOgQG44hYolPqUcgjWZx08 eSNL8FFULnOaMJXc+U2NK8n0Ag36uW5AQg9QhwWRVOEJWpxR+XIAjw+34au2PexgtPY2 /ITTJtz+jwnjWAn0tZyUguDr2sfgzVIiSkbYV7Sv8gkyFrTVDwiytewj0HZAceZsSl6+ Clxg== X-Gm-Message-State: AOAM533/olA/24J6OZsmswqjoSZO55ccPyJb6tf3vfl5C/YIciqw9eD6 P3MtyxB64FpfsCBqGpNebhn2mw== X-Google-Smtp-Source: ABdhPJzpH2JbakQu/puXx5L5ryMiBiye1AL3us5U1A4YEp8N1Pj1KcgvRnO0fHbPHuAekxwKdlI8ng== X-Received: by 2002:a05:6512:108f:b0:479:48b0:b650 with SMTP id j15-20020a056512108f00b0047948b0b650mr9639384lfg.33.1654683732765; Wed, 08 Jun 2022 03:22:12 -0700 (PDT) Received: from eriador.lan ([37.153.55.125]) by smtp.gmail.com with ESMTPSA id v1-20020ac25601000000b00478fe3327aasm3642934lfd.217.2022.06.08.03.22.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jun 2022 03:22:12 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Jingoo Han , Gustavo Pimentel , Lorenzo Pieralisi , Bjorn Helgaas , Stanimir Varbanov , Manivannan Sadhasivam Cc: Vinod Koul , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, Johan Hovold , Rob Herring , Johan Hovold Subject: [PATCH v14 2/7] PCI: dwc: Convert msi_irq to the array Date: Wed, 8 Jun 2022 13:22:03 +0300 Message-Id: <20220608102208.2967438-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220608102208.2967438-1-dmitry.baryshkov@linaro.org> References: <20220608102208.2967438-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Qualcomm version of DWC PCIe controller supports more than 32 MSI interrupts, but they are routed to separate interrupts in groups of 32 vectors. To support such configuration, change the msi_irq field into an array. Let the DWC core handle all interrupts that were set in this array. Reviewed-by: Rob Herring Reviewed-by: Johan Hovold Signed-off-by: Dmitry Baryshkov --- drivers/pci/controller/dwc/pci-dra7xx.c | 2 +- drivers/pci/controller/dwc/pci-exynos.c | 2 +- .../pci/controller/dwc/pcie-designware-host.c | 32 ++++++++++++------- drivers/pci/controller/dwc/pcie-designware.h | 2 +- drivers/pci/controller/dwc/pcie-keembay.c | 2 +- drivers/pci/controller/dwc/pcie-spear13xx.c | 2 +- drivers/pci/controller/dwc/pcie-tegra194.c | 2 +- 7 files changed, 26 insertions(+), 18 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index dfcdeb432dc8..0919c96dcdbd 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -483,7 +483,7 @@ static int dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx, return pp->irq; /* MSI IRQ is muxed */ - pp->msi_irq = -ENODEV; + pp->msi_irq[0] = -ENODEV; ret = dra7xx_pcie_init_irq_domain(pp); if (ret < 0) diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c index 467c8d1cd7e4..4f2010bd9cd7 100644 --- a/drivers/pci/controller/dwc/pci-exynos.c +++ b/drivers/pci/controller/dwc/pci-exynos.c @@ -292,7 +292,7 @@ static int exynos_add_pcie_port(struct exynos_pcie *ep, } pp->ops = &exynos_pcie_host_ops; - pp->msi_irq = -ENODEV; + pp->msi_irq[0] = -ENODEV; ret = dw_pcie_host_init(pp); if (ret) { diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index af91fe69f542..96b6196f870b 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -257,8 +257,12 @@ int dw_pcie_allocate_domains(struct pcie_port *pp) static void dw_pcie_free_msi(struct pcie_port *pp) { - if (pp->msi_irq > 0) - irq_set_chained_handler_and_data(pp->msi_irq, NULL, NULL); + u32 ctrl; + + for (ctrl = 0; ctrl < MAX_MSI_CTRLS; ctrl++) { + if (pp->msi_irq[ctrl] > 0) + irq_set_chained_handler_and_data(pp->msi_irq[ctrl], NULL, NULL); + } irq_domain_remove(pp->msi_domain); irq_domain_remove(pp->irq_domain); @@ -368,13 +372,15 @@ int dw_pcie_host_init(struct pcie_port *pp) for (ctrl = 0; ctrl < num_ctrls; ctrl++) pp->irq_mask[ctrl] = ~0; - if (!pp->msi_irq) { - pp->msi_irq = platform_get_irq_byname_optional(pdev, "msi"); - if (pp->msi_irq < 0) { - pp->msi_irq = platform_get_irq(pdev, 0); - if (pp->msi_irq < 0) - return pp->msi_irq; + if (!pp->msi_irq[0]) { + int irq = platform_get_irq_byname_optional(pdev, "msi"); + + if (irq < 0) { + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; } + pp->msi_irq[0] = irq; } pp->msi_irq_chip = &dw_pci_msi_bottom_irq_chip; @@ -383,10 +389,12 @@ int dw_pcie_host_init(struct pcie_port *pp) if (ret) return ret; - if (pp->msi_irq > 0) - irq_set_chained_handler_and_data(pp->msi_irq, - dw_chained_msi_isr, - pp); + for (ctrl = 0; ctrl < num_ctrls; ctrl++) { + if (pp->msi_irq[ctrl] > 0) + irq_set_chained_handler_and_data(pp->msi_irq[ctrl], + dw_chained_msi_isr, + pp); + } ret = dma_set_mask(pci->dev, DMA_BIT_MASK(32)); if (ret) diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index 7d6e9b7576be..9c1a38b0a6b3 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -187,7 +187,7 @@ struct pcie_port { u32 io_size; int irq; const struct dw_pcie_host_ops *ops; - int msi_irq; + int msi_irq[MAX_MSI_CTRLS]; struct irq_domain *irq_domain; struct irq_domain *msi_domain; u16 msi_msg; diff --git a/drivers/pci/controller/dwc/pcie-keembay.c b/drivers/pci/controller/dwc/pcie-keembay.c index 1ac29a6eef22..297e6e926c00 100644 --- a/drivers/pci/controller/dwc/pcie-keembay.c +++ b/drivers/pci/controller/dwc/pcie-keembay.c @@ -338,7 +338,7 @@ static int keembay_pcie_add_pcie_port(struct keembay_pcie *pcie, int ret; pp->ops = &keembay_pcie_host_ops; - pp->msi_irq = -ENODEV; + pp->msi_irq[0] = -ENODEV; ret = keembay_pcie_setup_msi_irq(pcie); if (ret) diff --git a/drivers/pci/controller/dwc/pcie-spear13xx.c b/drivers/pci/controller/dwc/pcie-spear13xx.c index 1569e82b5568..cc7776833810 100644 --- a/drivers/pci/controller/dwc/pcie-spear13xx.c +++ b/drivers/pci/controller/dwc/pcie-spear13xx.c @@ -172,7 +172,7 @@ static int spear13xx_add_pcie_port(struct spear13xx_pcie *spear13xx_pcie, } pp->ops = &spear13xx_pcie_host_ops; - pp->msi_irq = -ENODEV; + pp->msi_irq[0] = -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 cc2678490162..7056072637ab 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -2262,7 +2262,7 @@ static void tegra194_pcie_shutdown(struct platform_device *pdev) disable_irq(pcie->pci.pp.irq); if (IS_ENABLED(CONFIG_PCI_MSI)) - disable_irq(pcie->pci.pp.msi_irq); + disable_irq(pcie->pci.pp.msi_irq[0]); tegra194_pcie_pme_turnoff(pcie); tegra_pcie_unconfig_controller(pcie); -- 2.35.1