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: 13340454 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 86436C41513 for ; Thu, 3 Aug 2023 18:03:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235203AbjHCSDq (ORCPT ); Thu, 3 Aug 2023 14:03:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235712AbjHCSDL (ORCPT ); Thu, 3 Aug 2023 14:03:11 -0400 Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB31D4227 for ; Thu, 3 Aug 2023 11:01:59 -0700 (PDT) Received: by mail-pf1-x42f.google.com with SMTP id d2e1a72fcca58-686bea20652so1130368b3a.1 for ; Thu, 03 Aug 2023 11:01:59 -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=LZlyGOu68y9za7rki+/1mFALVsdaCg2eZY8/dCupskTjfMxli8QHYmc7xESUoONkk7 NNDDzcyCWAnQHrLQ8K6wh3mcCnF3JgWl3ch92dNQXXUWwJBpimUhBFa1q93YuIk4Jma+ fKwkdd7T+ELtEt360s01VYLWl6pc03EqXWk9DSQ0NrABPbyPW8Id8yNXQTLYXJ1lVJN9 EvgGmDn14UNhAhHLV0J3yKsm4VSN5GrYgf14k5ExwBw6LmMe8xF/Ws58q3Urj6A4OblR x9ShCHzrhn9fhOVZW5dp5NukjuGodNuDfZqfC/p+mdoY0Rf1nnyTW7mMSRzrlZxsMZl5 OfQw== X-Gm-Message-State: ABy/qLZNICOzXxfy9b4rpfpqPLnoOVHvb/D0Qmi/8T6DLQWuPq+sf4zD gQkKj8oHE3X/ak3gLYd5gG2FFQ== 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 Cc: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Catalin Marinas , Will Deacon , "Rafael J . Wysocki" , Len Brown , Andy Shevchenko , Daniel Scally , Heikki Krogerus , Sakari Ailus , Greg Kroah-Hartman , Daniel Lezcano , Thomas Gleixner , Anup Patel , Marc Zyngier , Bjorn Helgaas , Robert Moore , Haibo Xu , Andrew Jones , Conor Dooley , Atish Kumar Patra , Sunil V L 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 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.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 */