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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34FF3C433FE for ; Tue, 26 Apr 2022 06:39:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231748AbiDZGmF (ORCPT ); Tue, 26 Apr 2022 02:42:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245365AbiDZGmB (ORCPT ); Tue, 26 Apr 2022 02:42:01 -0400 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E97021B784 for ; Mon, 25 Apr 2022 23:38:53 -0700 (PDT) Received: by mail-pj1-x102c.google.com with SMTP id r9so402232pjo.5 for ; Mon, 25 Apr 2022 23:38:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=6pV6AUjp2V1UC4cOoLtl5XlEXuEwCEfH5h8T/x9bk1s=; b=Hmq+v0Iu9XUEYI+1g/J9Ol51Ng1sNDpr9SRXE0a6waomwbD4nITRtU1TL2MQeNMjBR uCPbmlFUp8wLu327lk1gbpkTH5/aBUUMRSIWRYfgbmFwhdMBYP/kxqBRsYdJmgfWqcaP FeH38Tfr10wIkoay+CkyGAHTGYyTEykVIUf+pmAn36fed5XzOD/nWBN4EQOilIQl6ClE MbIeVR7Lz6VvVwzRNX5d5KdS7xWchAx2kOVATgQTkGDlehTPiNoDx3YaFWlcfdSUCTZu qQ9YxtvkOKA2CNcvuARwJ8VZp5ljq+XililkDbnPHrCCZhZ35q2sszDuNULxC5aHF7f1 1t7A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=6pV6AUjp2V1UC4cOoLtl5XlEXuEwCEfH5h8T/x9bk1s=; b=H0//5fHrdxzHDrjdoqibAuXKUmEM5UURwduuNLkT89JGk7K7f86Ik17mf2djelFpYd QBCXvtV0IfoRTlfO8POSqP2Ddf+d1VRlESEpTCzE+O7OW+6bBYPsJcVe8eWdy+YH2xrw dtJW0hw2D+K/UIN8XUhPcaGJHuTK/0wRV1KCNy1J/XzmZ6FZTTR6GDqLeYNfeoYLcvo4 h7m2LWu3BxMy9jJJET0vKhPHdgwRliV+hK2KI5ac9ioes/Z6QDYQ2eE5aFAyShq3ntK5 12QZ23DtTjLeOKSu++QPdMBcEUazFJZ6tsMijVjvA7bM7eyfCxpfeUZhtlTGrAMyuWLG ksVQ== X-Gm-Message-State: AOAM530WrjXuCC1tb+e67z5vf3RbxYtmASkwyqnrsXe6arCsb8q2vwS1 QPODv6tceenfPWXO4gy91nb6AA== X-Google-Smtp-Source: ABdhPJzrYFXkv18FmVHTmLX062X8RhEqAtjZP26tpHCie3BswX1/uq501vZuyAz3S/LIowMNf08Raw== X-Received: by 2002:a17:90b:605:b0:1d9:b208:7507 with SMTP id gb5-20020a17090b060500b001d9b2087507mr1431242pjb.125.1650955133468; Mon, 25 Apr 2022 23:38:53 -0700 (PDT) Received: from localhost ([122.177.141.190]) by smtp.gmail.com with ESMTPSA id d16-20020a056a00245000b004f771b48736sm14770838pfj.194.2022.04.25.23.38.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Apr 2022 23:38:52 -0700 (PDT) Date: Tue, 26 Apr 2022 12:08:51 +0530 From: Viresh Kumar To: Vladimir Zapolskiy Cc: "Rafael J. Wysocki" , Bjorn Andersson , Andy Gross , linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org Subject: Re: [PATCH v3] cpufreq: qcom-cpufreq-hw: Clear dcvs interrupts Message-ID: <20220426063851.u65lyudtatnaribr@vireshk-i7> References: <20220407200919.3054189-1-vladimir.zapolskiy@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220407200919.3054189-1-vladimir.zapolskiy@linaro.org> User-Agent: NeoMutt/20180716-391-311a52 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 07-04-22, 23:09, Vladimir Zapolskiy wrote: > It's noted that dcvs interrupts are not self-clearing, thus an interrupt > handler runs constantly, which leads to a severe regression in runtime. > To fix the problem an explicit write to clear interrupt register is > required, note that on OSM platforms the register may not be present. > > Fixes: 275157b367f4 ("cpufreq: qcom-cpufreq-hw: Add dcvs interrupt support") > Signed-off-by: Vladimir Zapolskiy Applied. Thanks. -- viresh