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=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 2B4CEC3A59E for ; Tue, 20 Aug 2019 13:44:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EBF262087E for ; Tue, 20 Aug 2019 13:44:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566308649; bh=+WDn8oAOmEByojJPlcQ4S36KY7Q1Vx3gD+XTkN2jkiY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tMIDyJGc5aKWsm4sMzUyKFADhQ44sbRh/u72YHWIir2wD189MsQkUGCVo7NuQZ1Hy GCjGpiGvFDthb+02ZpxG5yTgTHhI3CFNWXOtwRAMx3UNAqqrNyrHR+XLLX82mHG/NJ ylT4C5i+OqL7F2j4iuPnGn77KXoJzcIRBXO2zLjE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730830AbfHTNnS (ORCPT ); Tue, 20 Aug 2019 09:43:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:38904 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730805AbfHTNnN (ORCPT ); Tue, 20 Aug 2019 09:43:13 -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 F2AB522DD3; Tue, 20 Aug 2019 13:43:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566308593; bh=+WDn8oAOmEByojJPlcQ4S36KY7Q1Vx3gD+XTkN2jkiY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DWA2rGnkzqFtQzHcxGZA0WQZ6Oj3e2SnrFMOdDlnh4evcCxIWyDppWt5KkV+mMU7j XCNcq/d+xJpSWFfyAYc1VqRShDMJkjfz7OOjZsEW2d/vLlYo7bQHPwdsW+tua7durS U1EWbutujzM4sGSc7cQ3CPi57JDRzA0pI8SdBHmI= 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 4.14 11/12] usb: host: fotg2: restart hcd after port reset Date: Tue, 20 Aug 2019 09:42:52 -0400 Message-Id: <20190820134253.11562-11-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190820134253.11562-1-sashal@kernel.org> References: <20190820134253.11562-1-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 457cc6525abd6..aa21036828084 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1652,6 +1652,10 @@ 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