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 X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2753DC2D0E2 for ; Thu, 24 Sep 2020 08:56:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DA2E523741 for ; Thu, 24 Sep 2020 08:56:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="usC52yTI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727309AbgIXI4k (ORCPT ); Thu, 24 Sep 2020 04:56:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34582 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726798AbgIXI4k (ORCPT ); Thu, 24 Sep 2020 04:56:40 -0400 Received: from mail-wm1-x329.google.com (mail-wm1-x329.google.com [IPv6:2a00:1450:4864:20::329]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 138B6C0613CE; Thu, 24 Sep 2020 01:56:40 -0700 (PDT) Received: by mail-wm1-x329.google.com with SMTP id s13so2672595wmh.4; Thu, 24 Sep 2020 01:56:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=Pqs+J1Sv9kpntIdJgNiekZ8UffP3uDpup4UB75PEnZg=; b=usC52yTIu/+IzTCQwow4dnMk0ZeeNZE6aXxsWcalL1rc6NhV5yJMyJKz7DJOY4jP+j ch2wv3Yp59dFFfd9VuQe4sfkmzD1XC+WF48zldfJ2UnbxKkj+ZP7U1ISuYAWPQeccLOH OGZk3yb4PeETUy6cAANa6yoa26Bj9dEYLFQxfyhNBCLJ8VHJDlktc/dmumek+6YdKQpW 2fUPlby/L9vOX3zmyeX2cs5d/JXmMo9+e7AbHDJegvRk1Vc6D8LBf9PEPuge3NkTPzvZ hj4kfk79QNBKi+KTS9EGCKGzDsyICy8CLtpGsirPxVJkKC4INaZjNYSdWLxmBZ67xCZE HhZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=Pqs+J1Sv9kpntIdJgNiekZ8UffP3uDpup4UB75PEnZg=; b=eScdZLdlOyFlHPOjB3H3mMI+8WtUAJFJx61uJY0bm6wtULJt99OuRZ/nWt7FU5zelo KB68n2lDr9eX+saTBi+HlS/Z1yzm1XFjPDJBXJQaZw2y5PwOSXs0sbaGoCrnRTO2PlQ8 /UR+9uw4byAFb8tH7jQBrGrJYJnshAgPuNnUsxXYvJDus/kdUcQE5Wvz3dWD9R9wz/gi T3FGYJiDds9hxcdmC9T+xNQgp8B4XlcQnGSPxsejuYqKD1mc9Vn8Vj18FePrOn2ea8P7 Rh0jg023c6Ww1uVUJuH3ZKSRx0kHks7M9Gxv2Hj6hh9LUa7+OGsLYYDopUXiQNnlCTp4 X9/w== X-Gm-Message-State: AOAM5331qgp1fzBUvur/SvbfJxWvNmnnC5WaHusIkznN0DP9KoAAI7sc ip/IZoYOqIeFQUR/a0VDvyc= X-Google-Smtp-Source: ABdhPJz7WrcGkH0KDksdqGWogi0X+u8A2rDNT3xOXHn+qcQERzdOeMAV7kPtEte91ONrpKs5IRYGTg== X-Received: by 2002:a1c:6145:: with SMTP id v66mr3728062wmb.171.1600937798747; Thu, 24 Sep 2020 01:56:38 -0700 (PDT) Received: from localhost ([217.111.27.204]) by smtp.gmail.com with ESMTPSA id 18sm2548971wmj.28.2020.09.24.01.56.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2020 01:56:37 -0700 (PDT) Date: Thu, 24 Sep 2020 10:56:35 +0200 From: Thierry Reding To: Sumit Gupta Cc: viresh.kumar@linaro.org, rjw@rjwysocki.net, jonathanh@nvidia.com, linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ksitaraman@nvidia.com, bbasu@nvidia.com Subject: Re: [Patch 1/2] cpufreq: tegra194: get consistent cpuinfo_cur_freq Message-ID: <20200924085635.GA2483160@ulmo> References: <1600276277-7290-1-git-send-email-sumitg@nvidia.com> <1600276277-7290-2-git-send-email-sumitg@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fUYQa+Pmc3FrFX/N" Content-Disposition: inline In-Reply-To: <1600276277-7290-2-git-send-email-sumitg@nvidia.com> User-Agent: Mutt/1.14.7 (2020-08-29) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --fUYQa+Pmc3FrFX/N Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 16, 2020 at 10:41:16PM +0530, Sumit Gupta wrote: > Frequency returned by 'cpuinfo_cur_freq' using counters is not fixed > and keeps changing slightly. This change returns a consistent value > from freq_table. If the reconstructed frequency has acceptable delta > from the last written value, then return the frequency corresponding > to the last written ndiv value from freq_table. Otherwise, print a > warning and return the reconstructed freq. >=20 > Signed-off-by: Sumit Gupta > --- > drivers/cpufreq/tegra194-cpufreq.c | 66 ++++++++++++++++++++++++++++++++= ------ > 1 file changed, 57 insertions(+), 9 deletions(-) Acked-by: Thierry Reding --fUYQa+Pmc3FrFX/N Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl9sX0EACgkQ3SOs138+ s6FMuA/+Ih0Gjq9RqF+uARwFya4Fbl4De2//YHKptpN6ciYtBJ+7ZAYWC4ghoPi9 BaUXOIc7Fl/tkaRqEF8xaiEf5bk4hL7SiF9Wv8Z5oH8rssXDOD880JaFYMZwkzB1 cx3etG2Ba1hrBypYf4gw2rOYqb1y/vuq+JfQMNVmk/cJ9dMZXRUZV32BFcT9pxf1 RXSDE1QUsRsAmcZC3izMwdwuroVud6hvecYhhG1YFTfkrt6B07sw2J91wHlN7VTD uhU7Dq5KPCcmFcWjboMrlfDyFEjO7/GblWUb56TW5za7MJAJ44R2+sTOAxIfU2Tc 2of/32xLb7k0GbSHNBd+M0eRBGmboh61SaPP0N1RuIuSAqBqIdDBaT+ng8wJ2T7G OwnJotuBTAXHvU0Gr7rWiZfDssYmtsbh1BZfmfaWEme55yHD5BUi6enfn1r/AdRH dMV7jjehFKcWLA8O0RB0R3Q7UJVAAfzuAcNkX2IkEMiauf36cf4O/JoIkE51/fLH kDqZtAm8NEYL51wmF+B2Kl34WG3SLTiRpKS5YNAJ1OmlXdDEBm3+YuOsD8vS/Vv2 oam1yluD8MqUBNH0YYxUUA6pM+XSJDQCXe7pm+0Tz/oMfA9n48Fvta66V1tA8Gvn wbOs2lscpafHoUwSqb2A388VusWTEv1/wgLsARP1togZVMpDsXY= =zup6 -----END PGP SIGNATURE----- --fUYQa+Pmc3FrFX/N--