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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 2815AC3A5A8 for ; Wed, 4 Sep 2019 18:24:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00B2C208E4 for ; Wed, 4 Sep 2019 18:24:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567621499; bh=iryYQO161VMi3ttZTGFDeTVGpdK1PfArdz98f7LOIok=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=COMLvjF4/wV72cK6JrPm2/ss/K91F/Ngk8J1K3cI3neNa5M/nF8GH13MR/StnTYZK PiIeBKBAucb8PSzkjb4NNEtTKj/C19crDqgzEJuy3twKL2GxEPT9rJW029FwSf037b HrHNDsBFs2/0ciybw7lA/vOYeFzdeuBx+izcs3IQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388437AbfIDSAq (ORCPT ); Wed, 4 Sep 2019 14:00:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:40012 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388427AbfIDSAm (ORCPT ); Wed, 4 Sep 2019 14:00:42 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7071C22CF5; Wed, 4 Sep 2019 18:00:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567620041; bh=iryYQO161VMi3ttZTGFDeTVGpdK1PfArdz98f7LOIok=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ycB7IOigvRd1f06mxFqwRgYfCZFdE60+wvfsTgMZJMrOpNRqpK9jdPAdR3cLVow47 Yv3VVxzTK1fZyKHuzqz7bfWjFqaDGf/Xh6u2v5c/kJkRKcEamRc9DTQz3UUGbX3kFt 8vp6oZbA/vimNULmUGJr/swWHy5uAGX0IyY/ORXE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans Ulli Kroll , Linus Walleij , Sasha Levin Subject: [PATCH 4.9 51/83] usb: host: fotg2: restart hcd after port reset Date: Wed, 4 Sep 2019 19:53:43 +0200 Message-Id: <20190904175308.222041811@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190904175303.488266791@linuxfoundation.org> References: <20190904175303.488266791@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit 777758888ffe59ef754cc39ab2f275dc277732f4 ] On the Gemini SoC the FOTG2 stalls after port reset so restart the HCD after each port reset. Signed-off-by: Hans Ulli Kroll Signed-off-by: Linus Walleij Link: https://lore.kernel.org/r/20190810150458.817-1-linus.walleij@linaro.org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/host/fotg210-hcd.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 66efa9a676877..72853020a5426 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1653,6 +1653,10 @@ static int fotg210_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, /* see what we found out */ temp = check_reset_complete(fotg210, wIndex, status_reg, fotg210_readl(fotg210, status_reg)); + + /* restart schedule */ + fotg210->command |= CMD_RUN; + fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command); } if (!(temp & (PORT_RESUME|PORT_RESET))) { -- 2.20.1