From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by smtp.lore.kernel.org (Postfix) with ESMTP id C53EBC04A94
	for <linux-kernel@archiver.kernel.org>; Wed,  2 Aug 2023 10:06:53 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S231479AbjHBKGv (ORCPT <rfc822;linux-kernel@archiver.kernel.org>);
        Wed, 2 Aug 2023 06:06:51 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35114 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S230346AbjHBKGt (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 2 Aug 2023 06:06:49 -0400
Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61005E61;
        Wed,  2 Aug 2023 03:06:48 -0700 (PDT)
Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140])
        (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
         key-exchange X25519 server-signature RSA-PSS (2048 bits))
        (No client certificate requested)
        by dfw.source.kernel.org (Postfix) with ESMTPS id F20AF618CF;
        Wed,  2 Aug 2023 10:06:47 +0000 (UTC)
Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12E0AC433C8;
        Wed,  2 Aug 2023 10:06:46 +0000 (UTC)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org;
        s=korg; t=1690970807;
        bh=bFqc2eR1+yp29QWn5KEkrGDNdXR05R1dBVeIle/nl2I=;
        h=Date:From:To:Cc:Subject:References:In-Reply-To:From;
        b=nEIv4fogDyQ6kzhLlTFZ1eQmDQfq1SwHEXDgjwdZR3GORFy+b4stcZbLu6nA11xl3
         Q1lDjZAtixUav+Oif53yAJkttxhZcY/2gYj9xol/8+CpE2g2GNRsFN6fRNVnfiaJMV
         s34DoOCjSpmjsmR+olEMqzEvJPMci6AnK4tge5DE=
Date:   Wed, 2 Aug 2023 12:06:44 +0200
From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     Yinbo Zhu <zhuyinbo@loongson.cn>
Cc:     Mathias Nyman <mathias.nyman@intel.com>, linux-usb@vger.kernel.org,
        linux-kernel@vger.kernel.org, Jianmin Lv <lvjianmin@loongson.cn>,
        wanghongliang@loongson.cn, Liu Peibao <liupeibao@loongson.cn>,
        loongson-kernel@lists.loongnix.cn
Subject: Re: [PATCH] usb: xhci-plat: fix usb disconnect issue after s4
Message-ID: <2023080222-sizable-gauntlet-e658@gregkh>
References: <20230802090642.1642-1-zhuyinbo@loongson.cn>
 <2023080243-matted-abnormal-0fb0@gregkh>
 <4ee866a1-39a4-3b88-20f6-108e605ab00e@loongson.cn>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <4ee866a1-39a4-3b88-20f6-108e605ab00e@loongson.cn>
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Wed, Aug 02, 2023 at 05:58:17PM +0800, Yinbo Zhu wrote:
> 
> 
> 在 2023/8/2 下午5:39, Greg Kroah-Hartman 写道:
> > On Wed, Aug 02, 2023 at 05:06:42PM +0800, Yinbo Zhu wrote:
> > > The xhci retaining bogus hardware states cause usb disconnect devices
> > > connected before hibernation(s4) and refer to the commit '547d55fa83
> > > ("usb: ohci-platform: fix usb disconnect issue after s4")' which set
> > > flag "hibernated" as true when resume-from-hibernation and that the
> > > drivers will reset the hardware to get rid of any existing state and
> > > make sure resume from hibernation re-enumerates everything for xhci.
> > > 
> > > Signed-off-by: Yinbo Zhu <zhuyinbo@loongson.cn>
> > > ---
> > >   drivers/usb/host/xhci-plat.c | 21 ++++++++++++++++++---
> > >   1 file changed, 18 insertions(+), 3 deletions(-)
> > 
> > What commit id does this fix?
> > 
> > Should it go to stable kernels?
> 
> 
> Sorry, perhaps it has been rebased, that tree was mainline tree next
> branch, you can find this commit id "f3d478858bec4"

Please fix this up and add a proper Fixes: line and if needed a cc:
stable line.

thanks,

greg k-h