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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: linux-usb@vger.kernel.org, Kai-Heng Feng <kai.heng.feng@canonical.com>
Subject: [4/4] xhci: Fix front USB ports on ASUS PRIME B350M-A
Date: Thu, 8 Mar 2018 09:06:40 -0800	[thread overview]
Message-ID: <20180308170640.GB13908@kroah.com> (raw)

On Thu, Mar 08, 2018 at 05:17:17PM +0200, Mathias Nyman wrote:
> From: Kai-Heng Feng <kai.heng.feng@canonical.com>
> 
> When a USB device gets plugged on ASUS PRIME B350M-A's front ports, the
> xHC stops working:
> [  549.114587] xhci_hcd 0000:02:00.0: WARN: xHC CMD_RUN timeout
> [  549.114608] suspend_common(): xhci_pci_suspend+0x0/0xc0 returns -110
> [  549.114638] xhci_hcd 0000:02:00.0: can't suspend (hcd_pci_runtime_suspend returned -110)
> 
> Delay before running xHC command CMD_RUN can workaround the issue.
> 
> Use a new quirk to make the delay only targets to the affected xHC.
> 
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
> ---
>  drivers/usb/host/xhci-pci.c | 3 +++
>  drivers/usb/host/xhci.c     | 3 +++
>  drivers/usb/host/xhci.h     | 1 +
>  3 files changed, 7 insertions(+)

Any reason this shouldn't go to the stable kernel trees?

thanks,

greg k-h
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             reply	other threads:[~2018-03-08 17:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-08 17:06 Greg Kroah-Hartman [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-03-09 17:06 [4/4] xhci: Fix front USB ports on ASUS PRIME B350M-A Greg Kroah-Hartman
2018-03-09  3:29 Kai-Heng Feng
2018-03-08 15:17 Mathias Nyman

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