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SubjectRe: [PATCH 4.9] usbip: vhci_hcd: clear just the USB_PORT_STAT_POWER bit
On 01/28/2018 05:14 AM, Greg KH wrote:
> On Fri, Jan 26, 2018 at 11:54:35AM -0700, Shuah Khan wrote:
>> Upstream commit 1c9de5bf4286 ("usbip: vhci-hcd: Add USB3 SuperSpeed
>> support")
> Hm, I think you have the wrong commit id here.
> I don't see any commit upstream with the Subject you have here, what are
> you referring to?
> thanks,
> greg k-h

That is odd. Th commit went in a while back. Here are the details:

This is the commit from upstream:

commit 1c9de5bf428612458427943b724bea51abde520a
Author: Yuyang Du <>
Date: Thu Jun 8 13:04:10 2017 +0800

usbip: vhci-hcd: Add USB3 SuperSpeed support

This patch adds a USB3 HCD to an existing USB2 HCD and provides
the support of SuperSpeed, in case the device can only be enumerated
with SuperSpeed.

The bulk of the added code in usb3_bos_desc and hub_control to support
SuperSpeed is borrowed from the commit 1cd8fd2887e162ad ("usb: gadget:
dummy_hcd: add SuperSpeed support").

With this patch, each vhci will have VHCI_HC_PORTS HighSpeed ports
and VHCI_HC_PORTS SuperSpeed ports.

Suggested-by: Krzysztof Opasiak <>
Signed-off-by: Yuyang Du <>
Acked-by: Shuah Khan <>
Signed-off-by: Greg Kroah-Hartman <>

I isolated and backported a one line fix to the problem I saw in 4.9
and 4.4 stables.

-- Shuah

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