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Message-ID: <2023080243-matted-abnormal-0fb0@gregkh>
Date:   Wed, 2 Aug 2023 11:39:00 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Yinbo Zhu <zhuyinbo@...ngson.cn>
Cc:     Mathias Nyman <mathias.nyman@...el.com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jianmin Lv <lvjianmin@...ngson.cn>,
        wanghongliang@...ngson.cn, Liu Peibao <liupeibao@...ngson.cn>,
        loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH] usb: xhci-plat: fix usb disconnect issue after s4

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@...ngson.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?

thanks,

greg k-h

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