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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6EC96C61CE7 for ; Wed, 11 Jun 2025 06:26:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=+RsUkYgQL1Lrjxg+vOt2F3SeEGPbpxjW/E2krHLWq5s=; b=Ye2dLKWoBli8Zq XhGGyjGjVGAf/w6RvOv7yxc2i65arQP35CJgJ1xrPWZNK+s+zfCGdxJYnt3Ccy85urb2FBfFvuTjl nTcUr4+Yw0y1r158neu8Kpk6v+Utr/Gnxnd62p+GY/ezBjxo3a/MAHeyM9OG9R84HHbbn2Az9Fuax RAOAODsSdiThoXe4bkqLjg+Ck5aUW5hPT1F/SFkY7Rr3sprrcjy57WLgFcr+LSPbvOpk/daAfghO0 FA+sCjj58RUOd7xBig0O2j/loFo7qfFB7Q1G6nNS6FPvLARP2MExaEOZx2hqY9I1HHVWEUmdK5V13 sJwEXffPdZoucAkNYiaA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uPEuV-00000008zvd-0dQc; Wed, 11 Jun 2025 06:26:07 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uPEuT-00000008zua-3Q2t for linux-riscv@bombadil.infradead.org; Wed, 11 Jun 2025 06:26:05 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=YS9j9gcN2wQKo26dVWHCAmNvKNHMO5vB8LdZytpDdd4=; b=kb5YivyYgJ5mLmQdeOh3wOdXl6 eAPs1pb5Im0jXyWq4NcedG5WUBWtdishNBqlR3SaLCX7xM/KhBMaJHzjpWA7nb2wL/pZ0dRqh/DqT BX8a3iccBOHGV3fWtV4emTGcUyeT4Hm2UTGlIKF1RQCix+PxeOE/skfIzWPTWm9n94oDmTCYuoCT3 cPPGGur/PsdPmZV4FcXPQ+GbTHowi1t27JZLQ6I2rhaN7FujcvBgDKZ4yE4c3YlQh0GJ0FAMjD1Av eOYSBdvWjlOLApWH/BRjLiWU+TvvYuS754Z/NMF5AVEUshTaRPQ2l6Jx/+Jm6ChHjDrznvELV5e8o oqAmgEfQ==; Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]) by desiato.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uPEuR-000000028QI-2USh for linux-riscv@lists.infradead.org; Wed, 11 Jun 2025 06:26:05 +0000 Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-2351227b098so48269025ad.2 for ; Tue, 10 Jun 2025 23:26:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1749623160; x=1750227960; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=YS9j9gcN2wQKo26dVWHCAmNvKNHMO5vB8LdZytpDdd4=; b=DliMBvws7+3SprP69fhRnhHiEWnEvIQzTwXPsUXRwBOyJQBYr7sn4/Y2upDiAAOLvV vgqJN1aPIbP+oxsSSApdp/n1yZWBwrPNxbwdZ7g0eoYQ8S0cT5wm+9aZIr8CSUHlWNOp V5CB4tul+e3PCrQbwqmcR2IqQmTeItb1Yr7FNxjBu4Blz3I/zOWgvhvkoy7i/3+4fnEE H4G3XjldM+GEYzZ3s4pqpOZcizNE3eBwHJO0tvLY8tgPI+qaQkUQvKdo19MHgduJcp8u PoGL7CkzoiX3DXmEzSy1vp58krVHSY5/lfC9gAL5Yn4xOkaSE6t+OWndasuWiZZVviSC Hl9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749623160; x=1750227960; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=YS9j9gcN2wQKo26dVWHCAmNvKNHMO5vB8LdZytpDdd4=; b=adMiR7Z2oSixkNVe0Y/NsW7j3mm3mI/NPPNOUAZzxCPKtUn06ExP9ixsX7Ou09YxN3 rJBbyIkJCg+ZFOHp618W0uycfV7QCNZrHZMAa94IRQetEJxyAgpOZmOCLYcZPlgvnCSL qAhqDLQwYJxijclBxMDYJXDpcu+HGsUSHiQdTLAoMxB9brM+vt2f8OtnVVPZhOQ8z6E+ 4w+L14f0dxWywHHGMxpR3eiMlsjGec9Ohnm+PCNH1W7ZywQBOc22qyOC2bYTtZAPareQ l4eqlF+qnAlr68P/PxgaERQHCxHBAprJYoodsA+UWF/65GgRYF5ovBGwH/6SVeQ4jRhR 4Yww== X-Forwarded-Encrypted: i=1; AJvYcCVBl05D4alYpS0laCQW2I4N3VS4OqOivD4BDJfpPR4llcrjQyOauppfJ1kjTfJ7RTxPCN/aBqo5S5E8Yw==@lists.infradead.org X-Gm-Message-State: AOJu0YzKqN5+B+2GsaCvkgiv/xRiRijDCBXHyBsUp/s6sETZt/ybHeBa XWrCP6NhbaL2Sx/PV53ogMVhUrXyTQ2/FSnmYGM/P0LFV+foPXStfl+sGbL1ivBIGKk= X-Gm-Gg: ASbGncuyjVTorseQZQpcTKb5tDau5W7fbuJzP8m+vWkP+yuSbvgJGApixYg9RdUTqY+ 5NKltxy3V6SVegFaMfpQYRqxjKGQpoX1EN3jWa1L5B8ksazyjdBd71PzX79R///qPr2sYiYEm7L 6kXLhg69sik9Q3+4Y9jahwboLOlOLvBQbYzqhHTmx7+yvLXhWBtmBKOtX8jOq/K4YYz8IopAxl2 AQbrPXES8Cv9x4eZlLL6DEMaH0y0hlrDjkss5hdW9fv0Xgd+C+Poo0hD4U7X0pLENl+HClNz5YW mkxlMm8jdr2U4t7JiTIPi3Yrl9lt3rxqlIH+p4FXybA1Xj4QJTeKrah9+iELkvzsyavV6FrAAZX iuCcnSePyyDoAJ+AjzAknKSjX6A== X-Google-Smtp-Source: AGHT+IGgdyPwstKE3+iWn8KD2dTBYhJpnWD6M3so2zeNZkFWSUS5/H3BXTX0WABWmKEEx/TX7p+X9A== X-Received: by 2002:a17:903:2a8d:b0:235:1962:1bf4 with SMTP id d9443c01a7336-23641a99d80mr28376795ad.14.1749623160046; Tue, 10 Jun 2025 23:26:00 -0700 (PDT) Received: from anup-ubuntu-vm.localdomain ([103.97.166.196]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-23603092677sm79976295ad.64.2025.06.10.23.25.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Jun 2025 23:25:59 -0700 (PDT) From: Anup Patel To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jassi Brar , Thomas Gleixner , "Rafael J . Wysocki" , Mika Westerberg , Andy Shevchenko , Linus Walleij , Bartosz Golaszewski , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Subject: [PATCH v5 21/23] irqchip/riscv-rpmi-sysmsi: Add ACPI support Date: Wed, 11 Jun 2025 11:52:36 +0530 Message-ID: <20250611062238.636753-22-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250611062238.636753-1-apatel@ventanamicro.com> References: <20250611062238.636753-1-apatel@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250611_072603_720877_3128B08A X-CRM114-Status: GOOD ( 22.49 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anup Patel , devicetree@vger.kernel.org, Andrew Jones , Atish Patra , Leyfoon Tan , Anup Patel , linux-kernel@vger.kernel.org, Samuel Holland , Palmer Dabbelt , Paul Walmsley , linux-riscv@lists.infradead.org, Len Brown , linux-clk@vger.kernel.org, Rahul Pathak Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Sunil V L Add ACPI support for the RISC-V RPMI system MSI based irqchip driver. Signed-off-by: Sunil V L Signed-off-by: Anup Patel --- drivers/irqchip/Kconfig | 2 +- drivers/irqchip/irq-riscv-rpmi-sysmsi.c | 46 +++++++++++++++++++++++-- 2 files changed, 44 insertions(+), 4 deletions(-) diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 96bf6aa55681..dfa8cc0e23dd 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -619,7 +619,7 @@ config RISCV_IMSIC config RISCV_RPMI_SYSMSI bool - depends on MAILBOX + depends on RISCV && MAILBOX select IRQ_DOMAIN_HIERARCHY select GENERIC_MSI_IRQ default RISCV diff --git a/drivers/irqchip/irq-riscv-rpmi-sysmsi.c b/drivers/irqchip/irq-riscv-rpmi-sysmsi.c index 06f64936802a..d424067d22a8 100644 --- a/drivers/irqchip/irq-riscv-rpmi-sysmsi.c +++ b/drivers/irqchip/irq-riscv-rpmi-sysmsi.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (C) 2025 Ventana Micro Systems Inc. */ +#include #include #include #include @@ -9,6 +10,7 @@ #include #include #include +#include #include #include #include @@ -211,6 +213,9 @@ static int rpmi_sysmsi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct rpmi_sysmsi_priv *priv; + struct irq_domain *msi_domain; + struct fwnode_handle *fwnode; + u32 id; int rc; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); @@ -241,6 +246,22 @@ static int rpmi_sysmsi_probe(struct platform_device *pdev) } priv->nr_irqs = rc; + fwnode = dev_fwnode(dev); + if (is_acpi_node(fwnode)) { + u32 nr_irqs; + + rc = riscv_acpi_get_gsi_info(fwnode, &priv->gsi_base, &id, + &nr_irqs, NULL); + if (rc) { + dev_err(dev, "failed to find GSI mapping\n"); + return rc; + } + + /* Update with actual GSI range */ + if (nr_irqs != priv->nr_irqs) + riscv_acpi_update_gsi_range(priv->gsi_base, priv->nr_irqs); + } + /* Set the device MSI domain if not available */ if (!dev_get_msi_domain(dev)) { /* @@ -250,8 +271,13 @@ static int rpmi_sysmsi_probe(struct platform_device *pdev) * then we need to set it explicitly before using any platform * MSI functions. */ - if (dev_of_node(dev)) + if (is_of_node(fwnode)) { of_msi_configure(dev, dev_of_node(dev)); + } else if (is_acpi_device_node(fwnode)) { + msi_domain = irq_find_matching_fwnode(imsic_acpi_get_fwnode(dev), + DOMAIN_BUS_PLATFORM_MSI); + dev_set_msi_domain(dev, msi_domain); + } if (!dev_get_msi_domain(dev)) { mbox_free_channel(priv->chan); @@ -266,6 +292,13 @@ static int rpmi_sysmsi_probe(struct platform_device *pdev) return dev_err_probe(dev, -ENOMEM, "failed to create MSI irq domain\n"); } +#ifdef CONFIG_ACPI + struct acpi_device *adev = ACPI_COMPANION(dev); + + if (adev) + acpi_dev_clear_dependencies(adev); +#endif + dev_info(dev, "%u system MSIs registered\n", priv->nr_irqs); return 0; } @@ -275,10 +308,17 @@ static const struct of_device_id rpmi_sysmsi_match[] = { {} }; +static const struct acpi_device_id acpi_rpmi_sysmsi_match[] = { + { "RSCV0006" }, + {} +}; +MODULE_DEVICE_TABLE(acpi, acpi_rpmi_sysmsi_match); + static struct platform_driver rpmi_sysmsi_driver = { .driver = { - .name = "rpmi-sysmsi", - .of_match_table = rpmi_sysmsi_match, + .name = "rpmi-sysmsi", + .of_match_table = rpmi_sysmsi_match, + .acpi_match_table = acpi_rpmi_sysmsi_match, }, .probe = rpmi_sysmsi_probe, }; -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv