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([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 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org 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 -- 2.34.1 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 893A2C77B7F for ; Mon, 8 May 2023 11:55:26 +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=D0iy7nuV7T1yy18/6y+iy79GmhGnpwaS1Oa/R7VDfEc=; b=DiQaa2uyjOzaqO nLlQ6RqRs3zAmSUTmorn67pePsSK/o8UfF3XhK0vTtLAVNEBYB5dLpv3i73b7/jNq0YH9qVpjRo8r W7HaCzJmvEKQ9TXlWX6AOH/FH0D/tcVDzbHQEclJ71rgn+EsgnxvlgKRCq7iBH3Tf1EAn7nuOONiZ tTW9KvT3dTFj5KdIrsHovr8+oSTRC2QV68dZrnjcZ+HXKzgHJbzSePoVNp7DAe9aBvPjQ38DPLYDQ Le2NEqUCAxN8qQW2/Wjm7dm5s5XActqx3nlATF1iWpi/0yIh+PHer+l3gvUEA7lCeOCUB/UctOxQf spuyglVFxC20goHSidcQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pvzSa-000Sf4-0l; Mon, 08 May 2023 11:55:20 +0000 Received: from mail-pg1-x52f.google.com ([2607:f8b0:4864:20::52f]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pvzSY-000Scl-0S for linux-riscv@lists.infradead.org; Mon, 08 May 2023 11:55:19 +0000 Received: by mail-pg1-x52f.google.com with SMTP id 41be03b00d2f7-52c6504974dso4028749a12.2 for ; Mon, 08 May 2023 04:55:15 -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=YRQLJMODUfyV79+hj2hv7caqjvHUL8JeKFlT68yC4bYTvdq8JmCBf6gYupa92RyAtJ fsd3r1PKKfIwmuIP4ezM5I6eYJFNFxGL9feMLWyL7tK/DsnzIDvUk06q2wUscFPZ5fPu 6YQPDq3zZ1IZ5cu/9ksJODEfO1ovN9Jy2gLy2347AP054nVrw3SE0FEEo4a5ppEJm8tT IPEl1qTI44Si4xZDSsFwXKqMCJSMQfK/tKV/MJQ7LbjrQ91uN10644+6626LioLBAa5p l7zLHtA3FiyJGcaZRwUsI3qxdLVgOWLjth14Oq0EM2hJtUuvXoV6geMNOTwe/WynukEl QJ4A== X-Gm-Message-State: AC+VfDx/nEZh2OyZF3tfi3z1Ar24j/Vzol0zr4CCbJjSOb2peUgGPu19 5AzlcA/gDQQvx4xq9Hp3rImZXA== X-Google-Smtp-Source: ACHHUZ5LX88i99DmSCUmXSBK7hbOW5754EnsnTa/mud3XPBdrIA3mmjSCvDHn3cMXRSoaPysS72Dog== 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 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230508_045518_179902_5D59E4AD X-CRM114-Status: GOOD ( 10.02 ) 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: "Rafael J . Wysocki" , "Rafael J . Wysocki" , Tom Rix , Conor Dooley , Weili Qian , Herbert Xu , Jonathan Corbet , Marc Zyngier , Daniel Lezcano , Andrew Jones , Albert Ou , Mark Gross , Hans de Goede , Paul Walmsley , Thomas Gleixner , Nathan Chancellor , Nick Desaulniers , Zhou Wang , Palmer Dabbelt , Len Brown , Maximilian Luz , "David S . Miller" 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 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 -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv