Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp827223imm; Fri, 13 Jul 2018 07:02:20 -0700 (PDT) X-Google-Smtp-Source: AAOMgpcKrcUjPE4zPEqZ7QBUiHSETUG0T2t0ZyNAY1d+EWJ9ZbIReuuWnB2FcmN+5elCsagfS1IC X-Received: by 2002:a65:60cf:: with SMTP id r15-v6mr6244887pgv.41.1531490540092; Fri, 13 Jul 2018 07:02:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531490540; cv=none; d=google.com; s=arc-20160816; b=xF2Fdmhsq9d8ScQX6BVPQbQD9tianj/K8yIOzplcSm3IUFWMwWwvmtC+XouRl1QRAB vv81+oaFWABlgAr4T2b1Ta6JVZcPXyv0YNb9oKJlc1p1Zf2mxZKwnjqqkOPygwiGdfYv jSRKxVFBYbp2loOAIia3863RxSO0IqIqObfp/eLz2Xd9XVjgz7441qoQR5uVJYhJt/7C BsK6KhM2RxJDfykLGegvtHpkLFeyOUEUafhS05yliY3uryn0hWo373NB7zwCHnqKvtLq yvd6UYfPg0jFUcO7GKUz77eMQZIlSls1d3+/FVAVl5Q1PRuC1+ubBYGJLw8FieXCCBAT y7jQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject:arc-authentication-results; bh=1CbrZQZOzaacTqpPmH5crScznfOnNHMf0lur4lCcCu4=; b=Gil/Ly08CCMpYBF0yZz641L72I7de6PUpETSS6kN80RRMZaCi5is7M+H5XrEnpVypR xQ6HROKQp+JLK2zGTrQuEx+kAx19I0Lp5E85XVxX4jBcPabV1+2ZiYma4NOQoQ+HRQge k46CL1OlfWRYuAm4hdfLSSgSFF4KCcNhOGnMjUceK9u60ec8dXUPDDbmXpx8ZF/c9B2b dVqH/FAVVCnmehTltBPr29YaPkpZxDOtHdxUD0ix4ZyXi1Eoyax+CiHAYtABZCWxWzDB SXmSPItf9u2v1OftzlxFEM3IsEedrech79W5crzNmdlZFDsWqOaO++yJZ0vEcc3eYD4d 2zaA== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p91-v6si23632092plb.457.2018.07.13.07.02.02; Fri, 13 Jul 2018 07:02:20 -0700 (PDT) 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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=nvidia.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729935AbeGMOQM (ORCPT + 99 others); Fri, 13 Jul 2018 10:16:12 -0400 Received: from hqemgate14.nvidia.com ([216.228.121.143]:2677 "EHLO hqemgate14.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729739AbeGMOQM (ORCPT ); Fri, 13 Jul 2018 10:16:12 -0400 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate14.nvidia.com (using TLS: TLSv1, AES128-SHA) id ; Fri, 13 Jul 2018 07:01:22 -0700 Received: from HQMAIL101.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Fri, 13 Jul 2018 07:01:25 -0700 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Fri, 13 Jul 2018 07:01:25 -0700 Received: from [10.21.132.122] (10.124.1.5) by HQMAIL101.nvidia.com (172.20.187.10) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 13 Jul 2018 14:01:23 +0000 Subject: Re: [PATCH] mmc: tegra: Add and use tegra_sdhci_get_max_clock() To: Aapo Vienamo , Ulf Hansson , Adrian Hunter , Thierry Reding , Marcel Ziswiler CC: , , References: <1531487865-17427-1-git-send-email-avienamo@nvidia.com> From: Jon Hunter Message-ID: <6af41450-4770-3b2d-05b8-914f90743a7e@nvidia.com> Date: Fri, 13 Jul 2018 15:01:21 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <1531487865-17427-1-git-send-email-avienamo@nvidia.com> X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL105.nvidia.com (172.20.187.12) To HQMAIL101.nvidia.com (172.20.187.10) Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13/07/18 14:17, Aapo Vienamo wrote: > Implement and use tegra_sdhci_get_max_clock() which returns the true > maximum host clock rate. The issue with tegra_sdhci_get_max_clock() is Don't you mean sdhci_pltfm_clk_get_max_clock above? Does this function need fixing then? Or at least should there be another variant added because there is nothing Tegra specific we are doing below? > that it returns the current clock rate of the host instead of the > maximum one, which can lead to unnecessarily small clock rates. > > This differs from the previous implementation of > tegra_sdhci_get_max_clock() in that it doesn't divide the result by two. Why? Fixes tag? Cheers Jon -- nvpublic