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=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 2E9E9C4BA0E for ; Wed, 26 Feb 2020 08:41:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 007092084E for ; Wed, 26 Feb 2020 08:40:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="EEqLIkoC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727867AbgBZIkw (ORCPT ); Wed, 26 Feb 2020 03:40:52 -0500 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:29498 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727744AbgBZIkn (ORCPT ); Wed, 26 Feb 2020 03:40:43 -0500 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01Q8cj4A015423; Wed, 26 Feb 2020 09:40:25 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=Lz/ixFc58V9ubYYwn8uYsxnPb0xgrNFuWLsbx77UzM8=; b=EEqLIkoCRikMa1dk4Fet2M0qlUgeVPJI9WL8IMViKPZTfbL39ET3GK+Ax6i3IAaFVY28 tHFsPn7ndRh0pucIPxMpdaR5KKHc5/zyS0tMGGHd39bY/zXUEW010Arq9rIKUNBepo7a leKx8gUJeIfZOTzNejmQkwsG1M0Ut06MZy5tl14lGc1UJf2qI7aCQel2XVEmpXKdDAl2 RghJp83Ucs5ecsZ032QjW/luccNquwYz4RQTumQjLKYLP1F4NGFWFtBIogrjuO/utCc+ 4EFc4L2guJ9yntAJX7Dzyzk82n/lZqFiqxi7U9P6kBpou/2+IS7P7GJxQfX+SvZjsnmK eg== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2ydcnj2h2k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 26 Feb 2020 09:40:25 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 5089710003E; Wed, 26 Feb 2020 09:40:20 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag6node1.st.com [10.75.127.16]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 455382AC906; Wed, 26 Feb 2020 09:40:20 +0100 (CET) Received: from localhost (10.75.127.45) by SFHDAG6NODE1.st.com (10.75.127.16) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Wed, 26 Feb 2020 09:40:19 +0100 From: Ludovic Barre To: Ulf Hansson , Rob Herring CC: , Maxime Coquelin , Alexandre Torgue , , , , , , Ludovic Barre Subject: [PATCH 3/4] mmc: mmci_sdmmc: fix clear busyd0end irq flag Date: Wed, 26 Feb 2020 09:40:13 +0100 Message-ID: <20200226084014.5242-4-ludovic.barre@st.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200226084014.5242-1-ludovic.barre@st.com> References: <20200226084014.5242-1-ludovic.barre@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG7NODE3.st.com (10.75.127.21) To SFHDAG6NODE1.st.com (10.75.127.16) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-26_02:2020-02-25,2020-02-26 signatures=0 Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org The busyd0 line transition can be very fast. The busy request may be completed by busy_d0end without wait the busy_d0 steps. The busyd0end irq flag must be cleared even if no busy_status. Signed-off-by: Ludovic Barre --- drivers/mmc/host/mmci_stm32_sdmmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c index 7b781c897346..82b88293e742 100644 --- a/drivers/mmc/host/mmci_stm32_sdmmc.c +++ b/drivers/mmc/host/mmci_stm32_sdmmc.c @@ -363,11 +363,11 @@ static bool sdmmc_busy_complete(struct mmci_host *host, u32 status, u32 err_msk) if (host->busy_status) { writel_relaxed(mask & ~host->variant->busy_detect_mask, base + MMCIMASK0); - writel_relaxed(host->variant->busy_detect_mask, - base + MMCICLEAR); host->busy_status = 0; } + writel_relaxed(host->variant->busy_detect_mask, base + MMCICLEAR); + return true; } -- 2.17.1