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=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 9295FC3A5AA for ; Wed, 4 Sep 2019 18:26:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 63837208E4 for ; Wed, 4 Sep 2019 18:26:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567621608; bh=XBqv6luQ5CXrM3bvctgYpcF6Xz+G0qfVbm9g6i0gai8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oKUr9JBAsdvotPfN8AnlRG4K6AdicoUh8bdt5Nw4VMJ8Mg6eyBopH9FpfHVvdgyTk bLKjwQXaN9WrGUL3gUw+c2L3v1rTBdJ5tgxGjhvnfjZLUl0L3NJx+ju9ApenPqCtF0 tRQZJYohA/bBD9DEwOu+DJ3LeXo1tZPGv8DuP5Aw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387852AbfIDR50 (ORCPT ); Wed, 4 Sep 2019 13:57:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:35302 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387834AbfIDR5W (ORCPT ); Wed, 4 Sep 2019 13:57:22 -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 F10812339D; Wed, 4 Sep 2019 17:57:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1567619841; bh=XBqv6luQ5CXrM3bvctgYpcF6Xz+G0qfVbm9g6i0gai8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=scnxmbe3IEf2D2d2vtaLatFUDsaMqeCrFfNQFU8kwg8uA1arP/i6OkquRHmAQR2gz No1pil25rMAUk0NI0Kj0TQaib1bqzRh3lAdmSjh8paNSR4Iax/heLWlTrfMnIbxTXm 6s7gLmr3GgzZCoBCR+lSdWegyJHKnIfRNFnPj+GQ= 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 4.4 53/77] usb: host: fotg2: restart hcd after port reset Date: Wed, 4 Sep 2019 19:53:40 +0200 Message-Id: <20190904175308.345191767@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190904175303.317468926@linuxfoundation.org> References: <20190904175303.317468926@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 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