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

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Message-ID: <20151113022643.GC7206@dhcp-128-32.nay.redhat.com>
Date:	Fri, 13 Nov 2015 10:26:43 +0800
From:	Dave Young <dyoung@...hat.com>
To:	"Lu, Baolu" <baolu.lu@...ux.intel.com>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 00/12] usb: early: add support for early printk
 through USB3 debug port

On 11/13/15 at 10:04am, Lu, Baolu wrote:
> Hi Dave,
> 
> On 11/12/2015 02:01 PM, Dave Young wrote:
> >Hi, Baolu
> >
> >On 11/12/15 at 10:45am, Lu, Baolu wrote:
> >>>Hi Dave,
> >>>
> >>>Which device are you testing with? This implementation was developed
> >>>and tested on Intel Skylake devices.
> >>>
> >>>It doesn't surprise me if it doesn't work with other silicons. But it do
> >>>remind me to create a verified-list and put those known-to-work devices
> >>>in it.
> >>>
> >I have not got time to do more test. What infomation do you want?
> >lsusb -v?
> 
> lspci -v
> 

Here is the controller information:

Host side:

00:14.0 USB controller: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI (rev 05) (prog-if 30 [XHCI])
	Subsystem: Hewlett-Packard Company Device 1905
	Flags: bus master, medium devsel, latency 0, IRQ 27
	Memory at ef120000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd

Target side:

00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04) (prog-if 30 [XHCI])
	Subsystem: Lenovo Device 220c
	Flags: bus master, medium devsel, latency 0, IRQ 41
	Memory at f0620000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd

Thanks
Dave
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