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[209.132.180.67]) by mx.google.com with ESMTP id r11si18783039pli.175.2018.11.18.06.05.16; Sun, 18 Nov 2018 06:05:31 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@googlemail.com header.s=20161025 header.b="Cg/GP+L7"; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=googlemail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727188AbeKSAZD (ORCPT + 99 others); Sun, 18 Nov 2018 19:25:03 -0500 Received: from mail-ot1-f67.google.com ([209.85.210.67]:44554 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726269AbeKSAZD (ORCPT ); Sun, 18 Nov 2018 19:25:03 -0500 Received: by mail-ot1-f67.google.com with SMTP id z33so25365277otz.11 for ; Sun, 18 Nov 2018 06:04:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ppz352SnbgHTeFP6BzKW2e+oWUPFWxDj3j/n2x8LzuY=; b=Cg/GP+L7QRAoIxAKaPp6uNIekKMautptcflaKwILnx7QgA8R34dNQ5IwzuWe7W4OKp XsMmsNg96L7zllBziB+gzrmC5rIBkcdUbMasBLeWuR2Aj8PW7OxNtx0sx/7haB2AhKW9 LMi+xt+vs4zfCpcqb8pQHO/VTSqPxtCh7WwX0R3bk/xl2tpt8oM+8H/3yDpY8bFMlr4I 4jFKaD+CB24tpwXZLffPtP0wSEwC5jDS1wD7TGxlLoqRz4WbTHJmtg8k6iof4n+EZlDJ mLHCAnP496R2f4/pA90M3Ap15Bd4BsFPQhrHA3iDT+eekxfrgoLC6d4Ug84B9aN5oYfy rKcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ppz352SnbgHTeFP6BzKW2e+oWUPFWxDj3j/n2x8LzuY=; b=p0EkdzYaSGtkP3HsGMIDj1Tyc1nK78izPc7Iyz14AHp64tv2KpB0Ix1YZccC/vheSC 1NK+yZgoWXJxEWgZyCpiJPt6IW3/t7Qg0y0+E7ndRad9GcF17rA7vlt8HO20ZdI/o28M 8VMT2gBOoLDBkOb5g896p5DiwgC9ABXEbKvZd3kvAe+otqLr9rzB8UpF2vQQUSFZm2bg YVCsbRA2SvxB8sGNJyW9/xduNbCmxCiIgYxS9rfA8Bn0H5pOseZlxVy2EPu48zQOOxpT GOkNtbLq8J/jzdzZ4UkxXp+3Ku6v62+BFJ0cbkAPtb/XazPhm7JIQWqe6vJruMwDbe/X zRCA== X-Gm-Message-State: AGRZ1gLzQp7wlUicuvGe1w9uj8GzJYn47myxk+ipAqgE1ZjGRamuQx2z FluTYFhwnh4dmaavXgazhvac1Zu6XIupEaPvMKDpgeuoQPI= X-Received: by 2002:a9d:491e:: with SMTP id e30mr11425777otf.131.1542549878346; Sun, 18 Nov 2018 06:04:38 -0800 (PST) MIME-Version: 1.0 References: <20181118135024.30720-1-narmstrong@baylibre.com> <20181118135024.30720-3-narmstrong@baylibre.com> In-Reply-To: <20181118135024.30720-3-narmstrong@baylibre.com> From: Martin Blumenstingl Date: Sun, 18 Nov 2018 15:04:27 +0100 Message-ID: Subject: Re: [PATCH v3 2/3] soc: amlogic: Add Meson Clock Measure driver To: Neil Armstrong Cc: khilman@baylibre.com, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Nov 18, 2018 at 2:50 PM Neil Armstrong wrote: > > The Amlogic Meson SoCs embeds a clock measurer IP to measure the internal > clock paths frequencies. > The precision is determined by stepping into the duration until the counter > overflows. > The debugfs slows a pretty summary and each clock can be measured > individually aswell. > > Cc: Martin Blumenstingl > Signed-off-by: Neil Armstrong Reviewed-by: Martin Blumenstingl I have successfully tested it on Odroid-C1: Tested-by: Martin Blumenstingl