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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 91DF1C43619 for ; Wed, 12 May 2021 15:05:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5A441613EB for ; Wed, 12 May 2021 15:05:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232566AbhELPGK (ORCPT ); Wed, 12 May 2021 11:06:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:59086 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232941AbhELPCW (ORCPT ); Wed, 12 May 2021 11:02:22 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3C8CD6144D; Wed, 12 May 2021 14:57:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620831475; bh=4NUvwbMiTVc+LwbJhgVqirOeNja/kDToO5rLITW94/k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Lfr5H84BbZ3nuuWM/NxyZL58OOFg4GdaTGouHVvZ+tUi5B8wHxntGHFRkIEgYzWa8 bABi2WlaQy9vs4i6utG3gJIzLf7VWQM1JCXfF9zgsyYHus+HpSbRnQSBwC9yXEHlIm w0dXltxFBpPBloXDkjt2bdqXDEGdBUUtZHQKRJIE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Minas Harutyunyan , Artur Petrosyan , Sasha Levin Subject: [PATCH 5.4 135/244] usb: dwc2: Fix host mode hibernation exit with remote wakeup flow. Date: Wed, 12 May 2021 16:48:26 +0200 Message-Id: <20210512144747.336894050@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144743.039977287@linuxfoundation.org> References: <20210512144743.039977287@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Artur Petrosyan [ Upstream commit c2db8d7b9568b10e014af83b3c15e39929e3579e ] Added setting "port_connect_status_change" flag to "1" in order to re-enumerate, because after exit from hibernation port connection status is not detected. Fixes: c5c403dc4336 ("usb: dwc2: Add host/device hibernation functions") Acked-by: Minas Harutyunyan Signed-off-by: Artur Petrosyan Link: https://lore.kernel.org/r/20210416124707.5EEC2A005D@mailhost.synopsys.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/dwc2/hcd.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 258056c82206..f29fbadb0548 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -5580,7 +5580,15 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup, return ret; } - dwc2_hcd_rem_wakeup(hsotg); + if (rem_wakeup) { + dwc2_hcd_rem_wakeup(hsotg); + /* + * Change "port_connect_status_change" flag to re-enumerate, + * because after exit from hibernation port connection status + * is not detected. + */ + hsotg->flags.b.port_connect_status_change = 1; + } hsotg->hibernated = 0; hsotg->bus_suspended = 0; -- 2.30.2