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,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 A140AC3A589 for ; Tue, 20 Aug 2019 13:43:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 685E322DA7 for ; Tue, 20 Aug 2019 13:43:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566308613; bh=XUoIc2KHqVMThX9S+sl+WxBiHhZcXkyJqYSy2y8+sYE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zHi7rUuF11MaZZSCvHLusiy8kpea/l0X9PvipqdNrOer+9ety7sgqE+OaPriuu4Vv pKcVflpP56p2TJo5/9uRGFYYGyYafv03UTJwjfql5e5FEAhN9MHVAzdiNMlVok8M7Z D2egXp+/WnRed1T3AVQYk10Po6k7OldAjKkqKmNo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730879AbfHTNnc (ORCPT ); Tue, 20 Aug 2019 09:43:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:39308 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730871AbfHTNnb (ORCPT ); Tue, 20 Aug 2019 09:43:31 -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 2E8DE22DA7; Tue, 20 Aug 2019 13:43:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566308610; bh=XUoIc2KHqVMThX9S+sl+WxBiHhZcXkyJqYSy2y8+sYE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nR6yUhKShAS8LAe5KMiXk8OpMq4oonNEctw1JxixqkcT/J0XrbtfuuYLtpAktCYCl JTN0GgMSA41Spah62eU3nYM0AtmO/O+jtZbhCLMGLekrkNNSlFgD5Iivve6ETpQZju lLFWxL4CeYBDh9XwG9KEDDKwpERbRAVEaC46Sa2I= 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 4.4 3/4] usb: host: fotg2: restart hcd after port reset Date: Tue, 20 Aug 2019 09:43:24 -0400 Message-Id: <20190820134325.11825-3-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190820134325.11825-1-sashal@kernel.org> References: <20190820134325.11825-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@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 2341af4f34909..11b3a8c57eabc 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