From patchwork Fri Aug 2 12:33:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Patrick DELAUNAY X-Patchwork-Id: 1141175 X-Patchwork-Delegate: marek.vasut@gmail.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=st.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=st.com header.i=@st.com header.b="xRYn5Azn"; dkim-atps=neutral Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 460RSj2ZFXz9sNp for ; Fri, 2 Aug 2019 22:35:01 +1000 (AEST) Received: by lists.denx.de (Postfix, from userid 105) id D5DADC21E1A; Fri, 2 Aug 2019 12:34:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=T_DKIM_INVALID autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id AA0A0C21EBD; Fri, 2 Aug 2019 12:33:56 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id 8016AC21DCA; Fri, 2 Aug 2019 12:33:54 +0000 (UTC) Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lists.denx.de (Postfix) with ESMTPS id 4BB07C21C2C for ; Fri, 2 Aug 2019 12:33:54 +0000 (UTC) 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 x72CQjvo016276; Fri, 2 Aug 2019 14:33:51 +0200 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=lzquPi4OqiJE0duE+xQRcXXPVmPaNzzL7XW4s0gCh7c=; b=xRYn5AznsAX3L9ftHOLSh6u64o9AODoWN8VDPUvE7lO8YqRfG1A4GukgsUpfIGLooYkQ CzGTh50qqeZMxSXe8FPejeRAcI5vWlH55jgcNCKiApC9u1v/0EavyDwllrE3X4DEUWN/ W3QIVYiFPfUHyzFYR0lLoAuBaRKfeOkyK7VVmAQ/fWL/6ZSEGRgmSBK1ODCZ4LH9uy/y uINcPlByOPjZTqkCGzX3TCM/t7FV0Phtx/UmPSJ2tHgG15BeTHIUZjPY18TgDseLA/Py KaWJwDkzSmP2EEFO9CTfXn1IAPoR3hUeOyAsogF9PKWB3nwKU1NF21RFf8QWg2sN+DO5 SA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2u0brag55u-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 02 Aug 2019 14:33:51 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 5BCD731; Fri, 2 Aug 2019 12:33:49 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 4E1992C075D; Fri, 2 Aug 2019 14:33:49 +0200 (CEST) Received: from SAFEX1HUBCAS22.st.com (10.75.90.93) by Safex1hubcas24.st.com (10.75.90.94) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 2 Aug 2019 14:33:49 +0200 Received: from localhost (10.201.23.85) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Fri, 2 Aug 2019 14:33:48 +0200 From: Patrick Delaunay To: Date: Fri, 2 Aug 2019 14:33:40 +0200 Message-ID: <1564749223-29298-4-git-send-email-patrick.delaunay@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1564749223-29298-1-git-send-email-patrick.delaunay@st.com> References: <1564749223-29298-1-git-send-email-patrick.delaunay@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.85] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-08-02_06:, , signatures=0 Cc: Marek Vasut , U-Boot STM32 , Sven Schwermer Subject: [U-Boot] [PATCH 3/5] usb: host: dwc2: force reset assert X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Assert reset before deassert in dwc2_reset; It should be more safe for DWC2. Signed-off-by: Patrick Delaunay --- drivers/usb/host/dwc2.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c index 5c4c21b..836f706 100644 --- a/drivers/usb/host/dwc2.c +++ b/drivers/usb/host/dwc2.c @@ -1148,6 +1148,8 @@ static int dwc2_reset(struct udevice *dev) return ret; } + reset_assert_bulk(&priv->resets); + udelay(2); ret = reset_deassert_bulk(&priv->resets); if (ret) { reset_release_bulk(&priv->resets);