Date:	Tue, 16 Sep 2014 09:26:16 -0600
From:	Stephen Warren <swarren@...dotorg.org>
To:	Andrew Bresticker <abrestic@...omium.org>
CC:	Tomeu Vizoso <tomeu@...euvizoso.net>,
	Thierry Reding <thierry.reding@...il.com>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mathias Nyman <mathias.nyman@...el.com>,
	Grant Likely <grant.likely@...aro.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Arnd Bergmann <arnd@...db.de>,
	Kishon Vijay Abraham I <kishon@...com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v3 0/9] Tegra xHCI support

On 09/15/2014 01:30 PM, Andrew Bresticker wrote:
> On Mon, Sep 15, 2014 at 11:09 AM, Stephen Warren <swarren@...dotorg.org> wrote:
>> On 09/15/2014 11:06 AM, Andrew Bresticker wrote:
>>> On Mon, Sep 15, 2014 at 12:00 AM, Tomeu Vizoso <tomeu@...euvizoso.net> wrote:
>>>> On 12 September 2014 18:37, Andrew Bresticker <abrestic@...omium.org> wrote:
>>>>> On Tue, Sep 9, 2014 at 1:21 AM, Tomeu Vizoso <tomeu@...euvizoso.net> wrote:
>>>>>> On 8 September 2014 18:22, Andrew Bresticker <abrestic@...omium.org> wrote:
>>>>>>> On Mon, Sep 8, 2014 at 8:34 AM, Tomeu Vizoso <tomeu@...euvizoso.net> wrote:
>>>>>>>> On 2 September 2014 23:34, Andrew Bresticker <abrestic@...omium.org> wrote:
>>>>>>>>> Tested on Venice2, Jetson TK1, and Big with a variety of USB2.0 and
>>>>>>>>> USB3.0 memory sticks and ethernet dongles using controller firmware
>>>>>>>>> recently posted by Andrew Chew [2].
...
>>> Stephen, Thierry, have either of you had a chance to test this series?
>>
>> I haven't had a chance to yet. I just went to try it out, and found that it
>> depends on a whole slew of other patches that I don't have. Is there a git
>> branch somewhere to save me having to track down all the dependencies?
>
> Yes, Tomeu has the branch he used for testing here:
> http://cgit.collabora.com/git/user/tomeu/linux.git/log/?h=3.17rc4-xhci

Hmm. That git server was quite reluctant to cough up its bits, but it 
did eventually.

> You'll also need the firmware Andrew Chew posted:
> https://patchwork.ozlabs.org/patch/384013/

The XHCI driver can't load its firmware unless it's a module; if I make 
it built-in, it fails immediately with error -2 during "Direct firmware 
loading". The driver needs to work with either immediate or deferred 
firmware loading.

I tried three USB3 mass storage devices, and they all appeared to work 
without issue.

0781:5581 SanDisk Corp.
154b:fa0a PNY
0781:5580 SanDisk Corp.

I tried the following USB2 devices without issue:

0781:5575 SanDisk Corp.
0b95:7720 ASIX Electronics Corp. AX88772
045e:0095 Microsoft Corp. IntelliMouse Explorer 4.0 (IntelliPoint)
046d:c313 Logitech, Inc. Internet 350 Keyboard

The following USB2 devices had problems:

0b95:7720 ASIX Electronics Corp. AX88772

> [  489.140536] usb 1-3: new high-speed USB device number 81 using xhci-tegra
> [  489.260860] usb 1-3: device descriptor read/64, error -71
> [  489.370804] xhci-tegra 70090000.usb: Setup ERROR: setup context command for slot 1.
> [  489.378463] usb 1-3: hub failed to enable device, error -22
> [  489.500531] usb 1-3: new high-speed USB device number 82 using xhci-tegra
> [  489.655708] usb 1-3: can't set config #1, error -71
> [  489.661231] usb 1-3: USB disconnect, device number 82
> [  489.940531] usb 1-3: new high-speed USB device number 83 using xhci-tegra
> [  490.060860] usb 1-3: device descriptor read/64, error -71
> [  490.170805] xhci-tegra 70090000.usb: Setup ERROR: setup context command for slot 1.
> [  490.178462] usb 1-3: hub failed to enable device, error -22
(repeats over and over)

15a4:1336 Afatech Technologies, Inc. SDHC/MicroSD/MMC/MS/M2/CF/XD Flash 
Card Reader

The power light comes on, and the activity light just keeps flashing 
fast. Usually the activity light flashes a couple times and then turns 
off. There is nothing in dmesg at all for this device.

05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB

Not detected. There is nothing in dmesg at all for this device.

1bcf:0c31 Sunplus Innovation Technology Inc. SPIF30x Serial-ATA bridge

Not detected. There is nothing in dmesg at all for this device.
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