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=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT 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 0FD7FC00319 for ; Tue, 5 Mar 2019 16:10:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DE9D320449 for ; Tue, 5 Mar 2019 16:10:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728499AbfCEQK0 (ORCPT ); Tue, 5 Mar 2019 11:10:26 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:30249 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726190AbfCEQKZ (ORCPT ); Tue, 5 Mar 2019 11:10:25 -0500 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x25G82gg012346; Tue, 5 Mar 2019 17:10:11 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2qyhgatff9-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 05 Mar 2019 17:10:11 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 293E638; Tue, 5 Mar 2019 16:10:11 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 04D1F4DF7; Tue, 5 Mar 2019 16:10:11 +0000 (GMT) Received: from SAFEX1HUBCAS23.st.com (10.75.90.47) by Safex1hubcas24.st.com (10.75.90.94) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Mar 2019 17:10:10 +0100 Received: from lmecxl0923.lme.st.com (10.48.0.237) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.361.1; Tue, 5 Mar 2019 17:10:10 +0100 From: Ludovic Barre To: Ulf Hansson , Rob Herring CC: , Maxime Coquelin , Alexandre Torgue , , , , , , Ludovic Barre Subject: [PATCH 2/4] mmc: mmci: fix clear of busy detect status Date: Tue, 5 Mar 2019 17:10:03 +0100 Message-ID: <1551802205-32188-3-git-send-email-ludovic.Barre@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1551802205-32188-1-git-send-email-ludovic.Barre@st.com> References: <1551802205-32188-1-git-send-email-ludovic.Barre@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-05_09:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ludovic Barre The "busy_detect_flag" is used to read/clear busy value of mmci status. The "busy_detect_mask" is used to manage busy irq of mmci mask. For sdmmc variant, the 2 properties have not the same offset. To clear the busyd0 status bit, we must add busy detect flag, the mmci mask is not enough. Signed-off-by: Ludovic Barre --- drivers/mmc/host/mmci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 4901b73..3fa4386 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -1533,7 +1533,8 @@ static irqreturn_t mmci_irq(int irq, void *dev_id) * to make sure that both start and end interrupts are always * cleared one after the other. */ - status &= readl(host->base + MMCIMASK0); + status &= readl(host->base + MMCIMASK0) | + host->variant->busy_detect_flag; if (host->variant->busy_detect) writel(status & ~host->variant->busy_detect_mask, host->base + MMCICLEAR); -- 2.7.4