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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 8176BC433DF for ; Wed, 27 May 2020 14:55:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 55EFB207CB for ; Wed, 27 May 2020 14:55:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tsb+oiHD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388568AbgE0OzV (ORCPT ); Wed, 27 May 2020 10:55:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388738AbgE0OzV (ORCPT ); Wed, 27 May 2020 10:55:21 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B24AC05BD1E for ; Wed, 27 May 2020 07:55:21 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id e1so24311458wrt.5 for ; Wed, 27 May 2020 07:55:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=nHeMnTXMBv8ga8XlmHgcF2OkT4bwM7qlmR83SxPGZ14=; b=tsb+oiHDlnENmn3sre3eKqxzABffOcwAvGjBVT68owcXYXBz6ukqJT03AzaMHhSlZt J7fVYkG7LVmTdMyRe3lPNt1/328UgJJchJLomDLsYpXzKRL04VLU4DLrEH4E59AJz+KK FMUzmA+Bvfs5CIPwZQs65Ag+nTt2SgXuJs+fuuZq9QM11fJqiAw2/dUiL0QBKo5LpWFZ qWrxy19zLH9j2ASLy2GBvg5yrx+nOYnhE5jcNgkarohNS1/nyxt7tQyFHtR44LxhRjif 2mG5974FKtY3/6L64ftvV+LgwerscHY2TtqcWjwqa8WconTVLnQAcJzmZTy0cHjc+RH+ n9Lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=nHeMnTXMBv8ga8XlmHgcF2OkT4bwM7qlmR83SxPGZ14=; b=kfk/ISuOim2bVxxj0n39n18KtMSfc0E0oGBa1VNz3X/4H4mvSIrMIKAJ1Ppq9lOa/n jGGhpPSxODEYjaciMD5oyIWIiMpzT970GTDXTrsvD+WNstxo31aJEjL7Igyhj+kIK5Pn qGNOv/X0B60/5E2yn2N6a+/zKxR3hm2c3SvrI3NkQgRWIsiBDLVA++e+v46jLqP6p15Q c1WZVv6ZnpzEApHnV6UI8Ch4yjNsnPUVqqJg/TUQ9ZxmIvUYl4ub76sg/Ia/fUNX0kLt xBAPz4zRT8mNK3lKtVHSUsS1lhQP4jlTf5swt9MbJ/9RtYlgqWPY14zXt12y5IIN9r1t fuZg== X-Gm-Message-State: AOAM530U5csinXl0wFGhPT6kMGqoDtNkx5mon4skJUcXUMHAO38VhJp6 hVUTc/iSrIQqEy2U65yAXSg= X-Google-Smtp-Source: ABdhPJyBBLqlgBC/Q3d8XLiMKQCddaS/Qj91Hj3RW79igUxx2Sv8P/GbyOMpjMtstFRJa0C4nxX3Rg== X-Received: by 2002:adf:fd4b:: with SMTP id h11mr15010053wrs.209.1590591320035; Wed, 27 May 2020 07:55:20 -0700 (PDT) Received: from [192.168.86.31] ([213.191.183.145]) by smtp.gmail.com with ESMTPSA id b187sm1864219wmd.26.2020.05.27.07.55.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 27 May 2020 07:55:18 -0700 (PDT) Subject: Re: sdhci_msm issues with cold-plugged SD cards To: Veerabhadrarao Badiganti , Ulf Hansson Cc: kernelnewbies@kernelnewbies.org, "linux-mmc@vger.kernel.org" , Bjorn Andersson , Sarthak Garg References: <491cfef4-4a97-b6e8-0f41-d44e1c73eea4@gmail.com> From: Iskren Chernev Message-ID: Date: Wed, 27 May 2020 17:55:15 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org On 5/26/20 4:01 PM, Veerabhadrarao Badiganti wrote: > Strange issue. We never encountered this issue internally. > Please define "post-power-on-delay-ms" dt property with some larger delay value (25ms?) > and see if that helps you... I put 25ms, and 100ms, it doesn't seem to make any difference. > If this doesn't work, let me know the Qcom SoC (name/number) present on that phone. > And the kernel that you are using. The device uses a Qcom msm8974-pro. There is SoC dtsi and device dts (samsung-klte). I used a 5.6-rc6 kernel when I reported this, but now tried on next-20200526 and the results are the same. > Thanks > Veera > >