From patchwork Tue Mar 5 16:10:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ludovic BARRE X-Patchwork-Id: 10839653 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 705D8922 for ; Tue, 5 Mar 2019 16:10:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 598D42C575 for ; Tue, 5 Mar 2019 16:10:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 56E072C94B; Tue, 5 Mar 2019 16:10:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 1815C2C5A4 for ; Tue, 5 Mar 2019 16:10:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=I6YpgObQKAbb2K7QsDRJJSpxxkLcn5P0d2HgtIhYPC8=; b=eQ+qfE6RVU/qr3 0WE9n27JyAx0doOXyw96Bc4xmDWX0vmAar8QRGwqzUhQcu/24wT1Q5tH+zszP4RXLD4n6Cxr4mOc8 XnW+z9zeSaAKPJZNVBDL49GZCn4uuwQc3vrdTdnxhZOnqxK43dYZSVOyS5/aq53SpESPsLT+1gXci aiGbNBi3pjO7yybHFfQgCiOzjYEh5rqQKXmzX/cEdJiJw1nYOwdcNvUNb5CqH72At5aYhAzxIrFHZ VOPOmNDaR2THU9D+w+aGwhf5P7ejBPTzL0puvrti8n013f+1TjZZHBQcJwI4uKgATMte+9iDZcigs 29JmkBTb+vPaUhrDBswA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h1CeP-0000Sv-6n; Tue, 05 Mar 2019 16:10:41 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h1Ce5-0008SB-NI for linux-arm-kernel@lists.infradead.org; Tue, 05 Mar 2019 16:10:23 +0000 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x25G6Omg029254; Tue, 5 Mar 2019 17:10:09 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2qygfxjdbt-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 05 Mar 2019 17:10:09 +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 0FEF834; Tue, 5 Mar 2019 16:10:09 +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 E14894DF7; Tue, 5 Mar 2019 16:10:08 +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 17:10:08 +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 17:10:08 +0100 From: Ludovic Barre To: Ulf Hansson , Rob Herring Subject: [PATCH 0/4] mmc: mmci: add busy detect for stm32 sdmmc variant Date: Tue, 5 Mar 2019 17:10:01 +0100 Message-ID: <1551802205-32188-1-git-send-email-ludovic.Barre@st.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.48.0.237] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-03-05_09:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190305_081022_068922_8A8E9755 X-CRM114-Status: UNSURE ( 8.31 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Alexandre Torgue , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, srinivas.kandagatla@linaro.org, Ludovic Barre , Maxime Coquelin , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Ludovic Barre This patch series adds busy detect for stm32 sdmmc variant. Some adaptations are required: -Avoid to check and poll busy status when is not expected. -Clear busy status bit if busy_detect_flag and busy_detect_mask are different. -Add hardware busy timeout with MMCIDATATIMER register. Ludovic Barre (4): mmc: mmci: avoid fake busy polling mmc: mmci: fix clear of busy detect status mmc: mmci: add hardware busy timeout feature mmc: mmci: add busy detect for stm32 sdmmc variant drivers/mmc/host/mmci.c | 67 +++++++++++++++++++++++++++++++++++++++---------- drivers/mmc/host/mmci.h | 3 +++ 2 files changed, 57 insertions(+), 13 deletions(-)