From patchwork Mon May 8 11:52:33 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: 91104 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp2116284vqo; Mon, 8 May 2023 05:29:17 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ5bG6x694cNh6sd5GH+K7LU39qy7NbZDb6q4zRtIyqCca+lyifWEFoCVv/RA7vhf0Qh5XIL X-Received: by 2002:a17:90a:a683:b0:23e:f855:79ed with SMTP id d3-20020a17090aa68300b0023ef85579edmr10588125pjq.28.1683548956797; Mon, 08 May 2023 05:29:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1683548956; cv=none; d=google.com; s=arc-20160816; b=X9Ut5I6l1IoDDv5Yg3UpgjzKQV4YwMtZx2KKguyczxkH9sS/SN/Uw3df14pbFsW1oM /DEOxQMw/vgjW2SEMtrwW2lPGxbMIjIfSfNZbfH0ekHjJi0iGnU0AVih9l0fUOAhTWUk tMb1JAQAhxsk2cm5wd3PPKsJdTAUPWnghA4Z1Rq5GGL1PZOu6hC8E0Pi79S+9mnH7K3D SSY/HJYZsb9Q+tUmLHIT2xbKVjIOyMkTxaGj6UYnQsIsGUaFeFFuWvCySYvoHPeUwLnC e2R2PWCosEpzQHJw7zp8mYu2HeyAhD+9fQkfRMi+LfW0Ee/BZXh3e/GCZDuSplpolXxb SjOA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=yTcS6ERydBi3sd7UUw2QFTJaMwmeqvxl7dgO0DDj6Ys=; b=ULIeJX4FA3+BQ7uqdxxmNjtn2H+9gl3ywg5lvQPQSDdKt3rwDfx4YlF7pRGMhrehme F7nIwKPflaOTJOpP42VTTaAD25Q8iZ0h8YfCXbplJEbtdboFtICyYSboCPBt88xtx1+z FY8TlusIqlBgxQKjeg2H6FDKtdbP3dEIN3t+qH1pVq66LbV+k5RWCzFMBNf0DJeWA6rd qCDf1Mmq+adRtXSL0B7RpDSJYMqOx4Ok1sBNGtR+xp3WlldjvMW8/DwMSHfkXeNqU1g+ ModaHo6kOGXm27VpbEZN28QtRR6S1K79JKWqOilNgx3dauQ+lbbyONwXr7oPZAVMX9yQ SlDw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ventanamicro.com header.s=google header.b=fw9w2wVv; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i20-20020a17090ad35400b00246973aef88si12088320pjx.29.2023.05.08.05.29.01; Mon, 08 May 2023 05:29:16 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@ventanamicro.com header.s=google header.b=fw9w2wVv; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234336AbjEHL5y (ORCPT + 99 others); Mon, 8 May 2023 07:57:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235729AbjEHL5S (ORCPT ); Mon, 8 May 2023 07:57:18 -0400 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3573644181 for ; Mon, 8 May 2023 04:55:16 -0700 (PDT) Received: by mail-pg1-x52a.google.com with SMTP id 41be03b00d2f7-52c6504974dso4028750a12.2 for ; Mon, 08 May 2023 04:55:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1683546915; x=1686138915; 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=yTcS6ERydBi3sd7UUw2QFTJaMwmeqvxl7dgO0DDj6Ys=; b=fw9w2wVvyg18HQUViAb/q8qFm0YGCFl6OA5t0nEkt/x4efJjZz1AlZazIVHATLSW+w heUG1plkNWqhle47JUQzWHWSG+vGxo82ayY9ANGhfWkzbQO8Dr6YUiheG3svkLfmg+NN 2GZx2gFnSEjoQGMVoLG9jHAqVyTSd707Zvc6pVK2NLdcrbmEHn3Glt7k/emJkDKaKSq2 MIRlCk1P2l9380YHjRqRfnRuqH8OWIWYheVO0szdRaxlAliT5X3EoD3CDOtTxHsFXQ1y F8OptUnVg8xt4KdB2scf8uJ5YrNv+5MozGjfHscY0OiyRNm/5t2/AQGAJfIYOrKzz/J2 rCFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683546915; x=1686138915; 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=yTcS6ERydBi3sd7UUw2QFTJaMwmeqvxl7dgO0DDj6Ys=; b=LJCdDp3Dy80lIYZH6/ohl/7mbwByur290fgf9n8DrDgAcSYdtwW5wtY6C6pu82uOwG KsSOA4fW99uMJXf6oSct4GNST/wPGuGIikZIiXnBhcnmhc5MI7vr/T4NidCcQeFM2HIN ao1sCzOYfyO8K/okInEUuaH25rhGa79szduI5JPAkhLmja4kMLyYtaw6jOeZMUiwD23+ M21VVddPEFGoHm4ZJtyf2ofUmdLHGzGoxOGY1R8kuDP8KFJYpBoJ9+/VEp7dJxz0bfbI Ae9aNaO6WMgQoVHa43EvvZeF6nMTrpmq/KJB9C964iPxnAgGT6FCfT56QaBXtqwbfYVT 2cwA== X-Gm-Message-State: AC+VfDx/MN/wlQ++YzyglOWqCLO2IzTPWQ3ow5Fog1+kkL8UmceNaMTH Rt/wTQuUJwrunkrmpKnphz1Kow== X-Received: by 2002:a17:902:868f:b0:1a6:b971:faf8 with SMTP id g15-20020a170902868f00b001a6b971faf8mr9907040plo.53.1683546915118; Mon, 08 May 2023 04:55:15 -0700 (PDT) Received: from sunil-laptop.. ([106.51.189.144]) by smtp.gmail.com with ESMTPSA id w9-20020a170902904900b001aaed524541sm7015149plz.227.2023.05.08.04.55.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 May 2023 04:55:14 -0700 (PDT) From: Sunil V L To: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org, linux-crypto@vger.kernel.org, platform-driver-x86@vger.kernel.org, llvm@lists.linux.dev Cc: Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , "Rafael J . Wysocki" , Len Brown , Daniel Lezcano , Thomas Gleixner , Weili Qian , Zhou Wang , Herbert Xu , "David S . Miller" , Marc Zyngier , Maximilian Luz , Hans de Goede , Mark Gross , Nathan Chancellor , Nick Desaulniers , Tom Rix , Sunil V L , "Rafael J . Wysocki" , Andrew Jones , Conor Dooley Subject: [PATCH V5 17/21] clocksource/timer-riscv: Add ACPI support Date: Mon, 8 May 2023 17:22:33 +0530 Message-Id: <20230508115237.216337-18-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230508115237.216337-1-sunilvl@ventanamicro.com> References: <20230508115237.216337-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1765329031045203183?= X-GMAIL-MSGID: =?utf-8?q?1765329031045203183?= Initialize the timer driver based on RHCT table on ACPI based platforms. Currently, ACPI doesn't support a flag to indicate that the timer interrupt can wake up the cpu irrespective of its power state. It will be added in future update. Signed-off-by: Sunil V L Acked-by: Rafael J. Wysocki Reviewed-by: Andrew Jones Reviewed-by: Conor Dooley --- drivers/clocksource/timer-riscv.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c index cecc4662293b..da3071b387eb 100644 --- a/drivers/clocksource/timer-riscv.c +++ b/drivers/clocksource/timer-riscv.c @@ -10,6 +10,7 @@ #define pr_fmt(fmt) "riscv-timer: " fmt +#include #include #include #include @@ -207,3 +208,13 @@ static int __init riscv_timer_init_dt(struct device_node *n) } TIMER_OF_DECLARE(riscv_timer, "riscv", riscv_timer_init_dt); + +#ifdef CONFIG_ACPI +static int __init riscv_timer_acpi_init(struct acpi_table_header *table) +{ + return riscv_timer_init_common(); +} + +TIMER_ACPI_DECLARE(aclint_mtimer, ACPI_SIG_RHCT, riscv_timer_acpi_init); + +#endif