From patchwork Thu Aug 3 17:59:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil V L X-Patchwork-Id: 13340441 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 EA182C001DF for ; Thu, 3 Aug 2023 18:01:58 +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=Dp8Xsnl4frMcA2c7fZN8NLzziXQdSJvvfgMrqhPXotc=; b=mN3ieKeOaJGZLl z6/mhdYTmiOJhEc8/auZfNCqQDzHz25r1411beuMJ8aJqPF+X4sWPy1i7C2835fYu3z1UiNUBY5Ca YweQPKHlxoJ3tE8PEPm1/ceHTpeSp16U4d3EuBGEM5SkPrxRlw0l6TXPypJZjyt3S2CWY3PEuc4h1 A6rxttUpkPO6xNqfj8hoUHp3NOU42zbZuuCsy4nj9qFGUL3SBeFfisfNoPt3bBoAXLG+hHTiCqJiX OdHSjaVWFC46VYPGhcgcp0vEfPhjlejqSlvCFQsNAatvrwVIn1Y6yRd9Z8sE+QJULo/poFFq69ikJ XmHDkVa3Io3AT/bes3zA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRce3-00AW5M-1U; Thu, 03 Aug 2023 18:01:55 +0000 Received: from mail-pf1-x429.google.com ([2607:f8b0:4864:20::429]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qRcdx-00AVzL-22 for linux-riscv@lists.infradead.org; Thu, 03 Aug 2023 18:01:52 +0000 Received: by mail-pf1-x429.google.com with SMTP id d2e1a72fcca58-686f8614ce5so1119542b3a.3 for ; Thu, 03 Aug 2023 11:01:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1691085709; x=1691690509; 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=F92frfK1dVqJ4xjy+nPCRdMbjnNZ2BaLZfo5RMrgYGc=; b=nb8MJ8FxfTXSyHfmc46NJ78oznoJARBEyZYQLu78F886UEH05u96pGX7PrrDE+ABPy g7Q9FL6hPeKgIvk1x1g1QIiXUI+eSCTn4U5OllRWdrxcoVajrrjHY50vfrwXSfjJ56rj kDL+iKNMiAcr3+BY7DKMcKwbrcyTolBMjohszwHk8Iqo0oHT6OJUhtHPMDjrZMpsSVf8 do6JnoL+oBRfutMZgfrvxiD/OLmiQhPDP+a9oLSuKJQQ+mEjyNMxYQbZ5QXaBFSdRNqr cB+pEseV+eVkFLVS2cVDEpQHb3FQjnP4sNhw8f1RnohhupWYwX5f1MNKLJwhFIFeh8bb Vzmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691085709; x=1691690509; 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=F92frfK1dVqJ4xjy+nPCRdMbjnNZ2BaLZfo5RMrgYGc=; b=eGjo40o0GQmIXTb2+1PHsflCfHhH+0P1r89Vc4C2MmI1Tv5x4wN1IxsfqSqFpLN/I0 qugtz1/TZHrdI0j5N/HTtRsaSOVyOeTOaInKr+c2OPiTfKt+lCQ0I5fUp39IQwNnUcMT kOTM6mrjKE6yFV9JYaERLvoS0OfryFZVG0kAMiZwJ/rCzhxt7VIDfa+mtn64bLNTm4TV W4eqDZlrBt0z4lyW2HYIHYE5U9Z9fo0VgGw52A8TRhrjpDDhhvtSX6WpOE5Rby5j5PCX OqS5DkN1mhzr5jB5EMcgLtJm9extXAioWDsRhzhfMOuKIRrxIutTP/NAjHdBVwYhdSYN DvIg== X-Gm-Message-State: ABy/qLaWSDqW9u+jgO72UjBkBszq41+rgMCV7TLU4yIZYFvA9OmrUAlV Pkg4XHp70muc3ReX66IHvzSX/g== X-Google-Smtp-Source: APBJJlF693fygn/wN+Kw+cdkTi4UZipebFggWTsaaGrmDPSMtSqjJpJsaZGp1ItDXnGYwlZwJ/3sSA== X-Received: by 2002:a05:6a00:1887:b0:687:7a30:deb with SMTP id x7-20020a056a00188700b006877a300debmr6591488pfh.15.1691085709034; Thu, 03 Aug 2023 11:01:49 -0700 (PDT) Received: from sunil-pc.Dlink ([106.51.190.143]) by smtp.gmail.com with ESMTPSA id s8-20020aa78d48000000b0065a1b05193asm134952pfe.185.2023.08.03.11.01.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Aug 2023 11:01:48 -0700 (PDT) From: Sunil V L To: linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org Subject: [RFC PATCH v1 18/21] irqchip/irq-riscv-aplic-msi: Add ACPI support Date: Thu, 3 Aug 2023 23:29:13 +0530 Message-Id: <20230803175916.3174453-19-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230803175916.3174453-1-sunilvl@ventanamicro.com> References: <20230803175916.3174453-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230803_110149_693026_D9A67933 X-CRM114-Status: GOOD ( 15.48 ) 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: Heikki Krogerus , "Rafael J . Wysocki" , Catalin Marinas , Atish Kumar Patra , Conor Dooley , Will Deacon , Haibo Xu , Jonathan Corbet , Marc Zyngier , Daniel Lezcano , Robert Moore , Andrew Jones , Albert Ou , Paul Walmsley , Bjorn Helgaas , Thomas Gleixner , Andy Shevchenko , Greg Kroah-Hartman , Daniel Scally , Palmer Dabbelt , Sakari Ailus , Anup Patel , Len Brown Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Search and configure the MSI domain for the APLIC on ACPI based systems. Signed-off-by: Sunil V L --- drivers/irqchip/irq-riscv-aplic-msi.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-riscv-aplic-msi.c b/drivers/irqchip/irq-riscv-aplic-msi.c index 086d00e0429e..1948444c9e0c 100644 --- a/drivers/irqchip/irq-riscv-aplic-msi.c +++ b/drivers/irqchip/irq-riscv-aplic-msi.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "irq-riscv-aplic-main.h" @@ -178,6 +179,8 @@ static void aplic_msi_write_msg(struct msi_desc *desc, struct msi_msg *msg) int aplic_msi_setup(struct device *dev, void __iomem *regs) { const struct imsic_global_config *imsic_global; + struct irq_domain *msi_domain = NULL; + struct fwnode_handle *msi_fwnode; struct irq_domain *irqdomain; struct aplic_priv *priv; struct aplic_msicfg *mc; @@ -261,8 +264,17 @@ int aplic_msi_setup(struct device *dev, void __iomem *regs) * IMSIC and the IMSIC MSI domains are created later through * the platform driver probing so we set it explicitly here. */ - if (is_of_node(dev->fwnode)) + if (is_of_node(dev->fwnode)) { of_msi_configure(dev, to_of_node(dev->fwnode)); + } else { + msi_fwnode = acpi_riscv_get_msi_fwnode(dev); + if (msi_fwnode) + msi_domain = irq_find_matching_fwnode(msi_fwnode, + DOMAIN_BUS_PLATFORM_MSI); + + if (msi_domain) + dev_set_msi_domain(dev, msi_domain); + } } /* Create irq domain instance for the APLIC MSI-mode */