From nobody Thu Sep 11 15:06:49 2025 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 BF1B6EB64DD for ; Thu, 3 Aug 2023 18:03:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234286AbjHCSDY (ORCPT ); Thu, 3 Aug 2023 14:03:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234259AbjHCSCR (ORCPT ); Thu, 3 Aug 2023 14:02:17 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B840226B0 for ; Thu, 3 Aug 2023 11:01:24 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id d2e1a72fcca58-68706b39c4cso873870b3a.2 for ; Thu, 03 Aug 2023 11:01:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1691085679; x=1691690479; 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=/SWdbLlCMTnsfDgjj0hJXL2JTXfe1aLJEQPkrac/1+s=; b=D2G3HiLpmiaQgiit5Uw5A+KyEHMgDrbX4OUobJfTY5xZLp+QrgoNkT2MrhFFEyepif NGS8bIEgxHx46b2qZaLXX0Y0SmZd7FsXd1pRwMLzsoEhtQ8pcPTRJawrVIj/nWamed2p c8Ow5XHa5oDci6OFZ2uyC29mSIkYFExo2ugvnfWshx5bUl5bbLWflApdPwz7r/8MPdiM lWTXRBs2gyD03CeRJIWHuRF1YcIOZcbbXk5w4VPmjVHxhOze/aVypsDeH0+qQb104tHd EPWaTU8ZA96yj8ruCaOH+vJ45kbEIP06MY4/8eq+kYWiPKbchSKHc0XwVBcVevJ8/Xa6 Exvw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691085679; x=1691690479; 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=/SWdbLlCMTnsfDgjj0hJXL2JTXfe1aLJEQPkrac/1+s=; b=OBwZ0DSKUMtJZk2GfZCN/3kFxPy5GOf9TUl1URF+lkYIQxkvorMk0UUh+1eOC68J4S dZxMEHI5scCRt4EicW0t+V89JLo420TzHxdoVhPqw6xM4rbWdpDdbGFm09tfX76Gz+rg tYtDJihivQISKpMKhuSl13ZfyfCIhtYgRiNH+zseBFPoC/PACgTYN9Z17S5Q1gxrLq8l EUg1bQCeJ4OY4OQjaBTOtu9QHby4IoDNQCZv1Mtyk36xwfuC46+WwCb+zUXEv8gUmIha asRErBzE5CcMB5ZzQnZRV+ufRIBpcdnDrKxM6Tew09+XA0k82cXGuGMtotvZ/+DvT2xY 3cLQ== X-Gm-Message-State: AOJu0Yzf5QAY31EYVsNjM95Iv81m6DFVOtl6ok4UiXp1vZcVsSyHqtFo RMTauJqNVxTjtbNwAUHlaczjCg== X-Google-Smtp-Source: AGHT+IFGyUpuHPIut+tVQuZEcz6NanuBhvrn3iSa68PTIe5J1FDlay1VOOe28UUCGaj1xOLlQOJYFA== X-Received: by 2002:a05:6a20:72a0:b0:13f:8a5f:ad8e with SMTP id o32-20020a056a2072a000b0013f8a5fad8emr1930770pzk.58.1691085678868; Thu, 03 Aug 2023 11:01:18 -0700 (PDT) Received: from sunil-pc.Dlink ([106.51.190.143]) by smtp.gmail.com with ESMTPSA id s8-20020aa78d48000000b0065a1b05193asm134952pfe.185.2023.08.03.11.01.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Aug 2023 11:01:18 -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 14/21] ACPI: bus: Add acpi_riscv_init function Date: Thu, 3 Aug 2023 23:29:09 +0530 Message-Id: <20230803175916.3174453-15-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 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add a new function for RISC-V to do any architecture specific initialization. This function will be used to create platform devices like APLIC, IMSIC MSI controller, RISC-V IOMMU etc. Signed-off-by: Sunil V L --- drivers/acpi/bus.c | 1 + drivers/acpi/riscv/Makefile | 2 +- drivers/acpi/riscv/init.c | 12 ++++++++++++ include/linux/acpi.h | 6 ++++++ 4 files changed, 20 insertions(+), 1 deletion(-) create mode 100644 drivers/acpi/riscv/init.c diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 2fc2b43a4ed3..9a8c16170a4b 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1388,6 +1388,7 @@ static int __init acpi_init(void) =20 pci_mmcfg_late_init(); acpi_arm_init(); + acpi_riscv_init(); acpi_viot_early_init(); acpi_hest_init(); acpi_ghes_init(); diff --git a/drivers/acpi/riscv/Makefile b/drivers/acpi/riscv/Makefile index 8b664190d172..3433a19c421d 100644 --- a/drivers/acpi/riscv/Makefile +++ b/drivers/acpi/riscv/Makefile @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-y +=3D rhct.o irqchip.o +obj-y +=3D rhct.o irqchip.o init.o diff --git a/drivers/acpi/riscv/init.c b/drivers/acpi/riscv/init.c new file mode 100644 index 000000000000..b5807bbdb171 --- /dev/null +++ b/drivers/acpi/riscv/init.c @@ -0,0 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2023, Ventana Micro Systems Inc + * Author: Sunil V L + * + */ + +#include + +void __init acpi_riscv_init(void) +{ +} diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 641dc4843987..d16739928888 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1511,6 +1511,12 @@ void acpi_arm_init(void); static inline void acpi_arm_init(void) { } #endif =20 +#ifdef CONFIG_RISCV +void acpi_riscv_init(void); +#else +static inline void acpi_riscv_init(void) { } +#endif + #ifdef CONFIG_ACPI_PCC void acpi_init_pcc(void); #else --=20 2.39.2