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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 29BD3C3A589 for ; Tue, 20 Aug 2019 13:46:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EB34E22DBF for ; Tue, 20 Aug 2019 13:46:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566308793; bh=NB+QHM3crjpHKc0QvEUtHJMg06lP6N83tZq44VWFx3s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=F192yOHNuJm0IiLi0l4iAGnUzUd8NevKqYyJZbFFttOSZAs7XiUCQizKZSNsRaKLI 9IAp5ZeqIHrBwD5mIpkhhWabzNaoXWy+gv173fNA99alrSIIiYUp768Zo3uAiHyIzf o+rgLswXstHRGqfwhVA9vgRO4+fwO24SChcQnt3k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730546AbfHTNmK (ORCPT ); Tue, 20 Aug 2019 09:42:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:37380 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729933AbfHTNmJ (ORCPT ); Tue, 20 Aug 2019 09:42:09 -0400 Received: from sasha-vm.mshome.net (unknown [12.236.144.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AD204230F2; Tue, 20 Aug 2019 13:42:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566308528; bh=NB+QHM3crjpHKc0QvEUtHJMg06lP6N83tZq44VWFx3s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RK6LTclWig1m7tMeiFPp8KBe6dmCxDb9i+poPCnFdU44v+Iue0BU06P0SnrkB7/1q c7QvMNY+AKu0KgZb+efUWJS/F3YfLr55MIOd930GV6KiBzQwRkAe9MKLiDkAsDK8bR wA47M5MEjfo2sbJcL6s7zBMpV04x44IlG/69Lzms= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Hans Ulli Kroll , Linus Walleij , Greg Kroah-Hartman , Sasha Levin , linux-usb@vger.kernel.org Subject: [PATCH AUTOSEL 5.2 42/44] usb: host: fotg2: restart hcd after port reset Date: Tue, 20 Aug 2019 09:40:26 -0400 Message-Id: <20190820134028.10829-42-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190820134028.10829-1-sashal@kernel.org> References: <20190820134028.10829-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hans Ulli Kroll [ 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 0da68df259c86..7bf621d40c5ae 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1628,6 +1628,10 @@ 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