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
Date: Wed, 2 Aug 2023 11:39:00 +0200 [thread overview]
Message-ID: <2023080243-matted-abnormal-0fb0@gregkh> (raw)
In-Reply-To: <20230802090642.1642-1-zhuyinbo@loongson.cn>
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?
thanks,
greg k-h
next prev parent reply other threads:[~2023-08-02 9:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-02 9:06 [PATCH] usb: xhci-plat: fix usb disconnect issue after s4 Yinbo Zhu
2023-08-02 9:39 ` Greg Kroah-Hartman [this message]
2023-08-02 9:58 ` Yinbo Zhu
2023-08-02 10:06 ` Greg Kroah-Hartman
2023-08-03 2:19 ` Yinbo Zhu
2023-08-03 2:54 ` Yinbo Zhu
2023-08-08 23:41 ` kernel test robot
2023-08-09 9:28 ` Yinbo Zhu
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