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=-5.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 2E4F5CA9EA6 for ; Fri, 18 Oct 2019 11:26:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E7C7A21925 for ; Fri, 18 Oct 2019 11:26:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="sHgftTDe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2442658AbfJRL0r (ORCPT ); Fri, 18 Oct 2019 07:26:47 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:41682 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389257AbfJRL0r (ORCPT ); Fri, 18 Oct 2019 07:26:47 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x9IBQgpP052342; Fri, 18 Oct 2019 06:26:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1571398002; bh=SGgYh3SnaZDe4luA7XBqvh2HpjuvgWKDMwr4BQhthWQ=; h=Subject:To:CC:References:From:Date:In-Reply-To; b=sHgftTDeMeG9jgm2d39Jqa/67L50GluK/v/GytMQAryOgXShPxnErsACEWdW0mIJ4 +S4M5gL6GRr2H7wQt/3MjEXcQVAsCZpS49r802pypbRjAHcsn787tI2VMRT8LVdQLI p+LQp1r+BcHdoeRwdMVn2SWMqKIM/N3QLCD28pKE= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x9IBQgLG011551 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 18 Oct 2019 06:26:42 -0500 Received: from DFLE115.ent.ti.com (10.64.6.36) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Fri, 18 Oct 2019 06:26:42 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Fri, 18 Oct 2019 06:26:34 -0500 Received: from [172.24.190.215] (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id x9IBQd0M047364; Fri, 18 Oct 2019 06:26:40 -0500 Subject: Re: [RFC] mmc: cqhci: commit descriptors before setting the doorbell To: Ulf Hansson CC: Linux Kernel Mailing List , "linux-mmc@vger.kernel.org" , Asutosh Das , Harjani Ritesh , Adrian Hunter References: <20191014183849.14864-1-faiz_abbas@ti.com> From: Faiz Abbas Message-ID: Date: Fri, 18 Oct 2019 16:57:32 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Uffe, On 18/10/19 4:28 PM, Ulf Hansson wrote: > On Mon, 14 Oct 2019 at 20:37, Faiz Abbas wrote: >> >> Add a write memory barrier to make sure that descriptors are actually >> written to memory before ringing the doorbell. >> >> Signed-off-by: Faiz Abbas > > Applied for fixes and by adding a stable tag, thanks! > > BTW, do you have a valid commit that it fixes? > You can add: Fixes: a4080225f51d ("mmc: cqhci: support for command queue enabled host") Thanks, Faiz