From patchwork Thu Aug 3 17:59:05 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: 13340446 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 6797DEB64DD for ; Thu, 3 Aug 2023 18:02:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234216AbjHCSCT (ORCPT ); Thu, 3 Aug 2023 14:02:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229904AbjHCSBw (ORCPT ); Thu, 3 Aug 2023 14:01:52 -0400 Received: from mail-pf1-x42c.google.com (mail-pf1-x42c.google.com [IPv6:2607:f8b0:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF40149DD for ; Thu, 3 Aug 2023 11:01:02 -0700 (PDT) Received: by mail-pf1-x42c.google.com with SMTP id d2e1a72fcca58-686d8c8fc65so914375b3a.0 for ; Thu, 03 Aug 2023 11:01:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1691085648; x=1691690448; 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=LwCzqc1PMCRcx2h1vYzs9FDmhl8QjorV5J8xX30vpfA=; b=lGptm+1FaVB2szu9+1FrX5AfEizhjltUyo0aBH0MmslTFeM8tX/ihvgQP5IVG7Tg7A TBFasNuPmX1HxnupljC5J7LAW031DE7hpjg43EwE0xDPU/lp/UPU+kc+wx4Dk9R1qb5t 7jDVmYJE9VCa4riLTon3hZNN5NOLOY08WqDcPqdaOX8wu39mZPD6VF0osJ32v9gvrbfY XACNR92dJTW4PA3wpYNW/UJoNaiuDBuB6RIXDK48vy2YclaDlPWCQiIFi0kIXCFjOqjQ 6Ca8u30WmNCuPrp25cbilzk20B3sOHrjBX7H62pImD4I+4KWuK1qabDwfjQuxSkrh1iP XS3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1691085648; x=1691690448; 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=LwCzqc1PMCRcx2h1vYzs9FDmhl8QjorV5J8xX30vpfA=; b=PJsZ92ZtnIC6DalJZDA6ALDPyMZtN/5h4LagfPB3rZuoySflF0PiaWL+bK3joMaTd8 Ao905JUPo75hll0Y77Mtsg/5dmJrUWbW22hS5vK1hblGjw7LMgqgZNzy8pKM/iifV8Sb PF7UHtjSQkwoc4cPgsnmoM9nEe5cHEZfhom7A31Hesxsc1lgJNa6aqUfIQ8uO+EKaDk6 yhKKg3ElJRBIQ7QzyW2xiX/deTPdnsbgUzXtxMyrB36y6czOshwKpi8x5phP+5qO1M7/ dLDDL2zq66vLnVYF+C8cDVij+5xQBxG8U5igNlBB8hrDvmfLpR56eKpoHYKKj8GIuEyv 0NUQ== X-Gm-Message-State: ABy/qLYqQ9YLBGi2VGKzbuYvDZv8gYq7PNX9LUXHt9cQUm5am+bbdusv GPSQTenEYKos/xdGDwVg9W8mww== X-Google-Smtp-Source: APBJJlEZPAolOiWsswMUNb/3O27FzwqkU7VHoLeXdU05Nm8+s6t/U8LeZFnf7BD1irhpUyClA9ox0w== X-Received: by 2002:a05:6a00:14d1:b0:63d:260d:f9dd with SMTP id w17-20020a056a0014d100b0063d260df9ddmr21845288pfu.33.1691085648649; Thu, 03 Aug 2023 11:00:48 -0700 (PDT) Received: from sunil-pc.Dlink ([106.51.190.143]) by smtp.gmail.com with ESMTPSA id s8-20020aa78d48000000b0065a1b05193asm134952pfe.185.2023.08.03.11.00.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Aug 2023 11:00:48 -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 10/21] clocksource/timer-riscv: ACPI: Add timer_cannot_wakeup_cpu Date: Thu, 3 Aug 2023 23:29:05 +0530 Message-Id: <20230803175916.3174453-11-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 The timer capability to wakeup the cpu irrespective of its idle state is provided by the flag in RHCT. Update the timer code to set this flag. Signed-off-by: Sunil V L --- drivers/clocksource/timer-riscv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c index da3071b387eb..50198657230e 100644 --- a/drivers/clocksource/timer-riscv.c +++ b/drivers/clocksource/timer-riscv.c @@ -212,6 +212,10 @@ 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) { + struct acpi_table_rhct *rhct = (struct acpi_table_rhct *)table; + + riscv_timer_cannot_wake_cpu = rhct->flags & ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU; + return riscv_timer_init_common(); }