linux-kernel - Re: [PATCH v3 00/12] usb: early: add support for early printk through USB3 debug port

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Message-ID: <20151110093934.GB22332@localhost.localdomain>
Date:	Tue, 10 Nov 2015 17:39:34 +0800
From:	Dave Young <dyoung@...hat.com>
To:	Lu Baolu <baolu.lu@...ux.intel.com>
Cc:	Mathias Nyman <mathias.nyman@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-usb@...r.kernel.org, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 00/12] usb: early: add support for early printk
 through USB3 debug port

Hi,

On 11/09/15 at 03:38pm, Lu Baolu wrote:
> This patch series adds support for early printk through USB3 debug port.
> USB3 debug port is described in xHCI specification as an optional extended
> capability.
> 

I did a test with your previous patchset with the manually wired cable.
debug host detected the remote device, but later the devie automaticlly
disconnected and earlyprintk hangs.

I have not got more time, will try your new patchset when I have time.

Thanks
Dave
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