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

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Date:	Fri, 13 Nov 2015 14:23:10 +0800
From:	Lu Baolu <baolu.lu@...ux.intel.com>
To:	Dave Young <dyoung@...hat.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 11/13/2015 10:26 AM, Dave Young wrote:
> 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

Okay, thank you.

Thanks,
-Baolu

> Thanks
> Dave
>

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