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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 112FDCA90AF for ; Wed, 13 May 2020 09:37:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D3A27206F5 for ; Wed, 13 May 2020 09:37:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589362674; bh=eWF7IegAvbnc7BD/BjzKhKKxtW8zOOtnyprMNpapXPQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=tCpnj3XyALtq2WWLf3OkCQZK44iRYH8RRV0ZAj/qaVWOXykyyuKabcMVP950BvGSx dsNsaif/2SctGb38+ODuJnyzENIaDFEjka1dW8PjkC8IeeZNG/Hin59M/1wVmhsJxa 6Xwn0TsPvZuCWEqxTkdYezoN2NaOf9B+OZ9y9Nac= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728684AbgEMJhy (ORCPT ); Wed, 13 May 2020 05:37:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:38732 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726922AbgEMJhy (ORCPT ); Wed, 13 May 2020 05:37:54 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2E4CC206B8; Wed, 13 May 2020 09:37:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589362673; bh=eWF7IegAvbnc7BD/BjzKhKKxtW8zOOtnyprMNpapXPQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=UNFbSMtOGX93R6ewcI5F/ToALRkUBVkWO19G2ZMoApWAl6UbA+J6WRtuQRlngE+AS ZzXc6nQuw+eQChZPs1naCofDbEd23H1zCog/dWk6fjCYZVIIwBdsdVbGgJVtST3tEu 3jiJpUe4gEkkPL/ODZhL9eagbJ7DlrrbAoT125SQ= Date: Wed, 13 May 2020 11:37:51 +0200 From: Greg KH To: Sowjanya Komatineni Cc: Sasha Levin , adrian.hunter@intel.com, ulf.hansson@linaro.org, baolin.wang@linaro.org, kstewart@linuxfoundation.org, tglx@linutronix.de, bradleybolen@gmail.com, thierry.reding@gmail.com, jonathanh@nvidia.com, anrao@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 5.4.33 0/2] Fix for long operation cmds busy detection Message-ID: <20200513093751.GA831267@kroah.com> References: <1587758766-3274-1-git-send-email-skomatineni@nvidia.com> <20200425014556.GD13035@sasha-vm> <81be9ca0-5c61-6e94-8398-85354764b429@nvidia.com> <20200425070408.GB2042217@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20200425070408.GB2042217@kroah.com> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Sat, Apr 25, 2020 at 09:04:08AM +0200, Greg KH wrote: > On Fri, Apr 24, 2020 at 07:42:16PM -0700, Sowjanya Komatineni wrote: > > > > On 4/24/20 6:45 PM, Sasha Levin wrote: > > > External email: Use caution opening links or attachments > > > > > > > > > On Fri, Apr 24, 2020 at 01:06:04PM -0700, Sowjanya Komatineni wrote: > > > > This series is to backport the upstream patches that fixes busy > > > > detection > > > > for long operation mmc commands by implementing Tegra specific timeout > > > > callback to switch between finite and infinite HW busy detection wait > > > > modes. > > > > > > > > > > > > Sowjanya Komatineni (2): > > > >  sdhci: tegra: Implement Tegra specific set_timeout callback > > > >  sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability > > > > > > What regression do these patches fix? > > > > > This isn't a regression as we don't have any known failures as of today with > > the specific mmc devices we are using on our platforms. > > Have you read: > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html > ? > > > But this patch fixes a long outstanding bug for sdhci-tegra to handle long > > busy wait for mmc command operations that may take longer than host max busy > > timeout. So, this is something that's missing from the beginning and good to > > have. > > So it's a new feature? > Dropped from my queues due to lack of response. greg k-h