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[2620:137:e000::1:20]) by mx.google.com with ESMTP id q9-20020a056402248900b0045c3f6adb7csi3531193eda.215.2022.10.11.00.40.13; Tue, 11 Oct 2022 00:40:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=DlvOflaB; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229672AbiJKGpv (ORCPT + 99 others); Tue, 11 Oct 2022 02:45:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229505AbiJKGpr (ORCPT ); Tue, 11 Oct 2022 02:45:47 -0400 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6844374E3E; Mon, 10 Oct 2022 23:45:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1665470739; x=1697006739; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=si5VE5ZcSlm29/bPYZs5mwa8FUz5kdWbOjuHeRZXMKI=; b=DlvOflaB6n83DqnKZvhdv/pyG3HarivbxBRntnmITe2al/1DsmqcZyUl cz1CjxToLURjUZNKcH12iCzKU/E15sc7qOeI+VuPa9homQ+9sZKGCakr9 BT3FB2UfJ4AxK2j4d9Gbkd+tbA9n6wjDFuaHPOXVTEO32NaA51V0zyXzR +txXQc5DcLb3yvGQR22mA28PLtkhk+xhlbrdtGVHaynLH8J+1Wec3qDdD e/O0kTtJWLPCQnPQsidPEJyqHIjQxA6aqiNlXyN2n1cyscMh0qpDtg4xe kTb086jBafjxeJuWIsYZ+j88JN+h2280c84BP+jViHO1bKPdbL1HgRzWm g==; X-IronPort-AV: E=McAfee;i="6500,9779,10496"; a="306047034" X-IronPort-AV: E=Sophos;i="5.95,175,1661842800"; d="scan'208";a="306047034" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2022 23:45:21 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10496"; a="871396331" X-IronPort-AV: E=Sophos;i="5.95,175,1661842800"; d="scan'208";a="871396331" Received: from ahunter6-mobl1.ger.corp.intel.com (HELO [10.0.2.15]) ([10.252.62.214]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2022 23:45:18 -0700 Message-ID: Date: Tue, 11 Oct 2022 09:45:13 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.2.2 Subject: Re: [PATCH] mmc: sdhci-sprd: Fix minimum clock limit To: Wenchao Chen , ulf.hansson@linaro.org, orsonzhai@gmail.com, baolin.wang@linux.alibaba.com, zhang.lyra@gmail.com Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, megoo.tang@gmail.com, lzx.stg@gmail.com References: <20221011063043.11074-1-wenchao.chen666@gmail.com> Content-Language: en-US From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki In-Reply-To: <20221011063043.11074-1-wenchao.chen666@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-6.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/10/22 09:30, Wenchao Chen wrote: > From: Wenchao Chen > > The minimum clock supported by SPRD Host is 100000. Commit messages are better if they say why a change is being made. This begs the question, was there a problem with 400 kHz? Are there cases that benefit from this change? Should it have a fixes tag,cc stable? > > Signed-off-by: Wenchao Chen > --- > drivers/mmc/host/sdhci-sprd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c > index 46c55ab4884c..b92a408f138d 100644 > --- a/drivers/mmc/host/sdhci-sprd.c > +++ b/drivers/mmc/host/sdhci-sprd.c > @@ -309,7 +309,7 @@ static unsigned int sdhci_sprd_get_max_clock(struct sdhci_host *host) > > static unsigned int sdhci_sprd_get_min_clock(struct sdhci_host *host) > { > - return 400000; > + return 100000; > } > > static void sdhci_sprd_set_uhs_signaling(struct sdhci_host *host,