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Subject: Re: [BUG] Regression, usb-dwc3 not working, Odroid XU3, usb 3.0
To: Felipe Balbi <balbi@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Linux USB Mailing List <linux-usb@vger.kernel.org>,
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References: <577A47D3.7020900@samsung.com> <87shvpljsk.fsf@linux.intel.com>
Cc: Kukjin Kim <kgene@kernel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Message-id: <577A4AFB.9030006@samsung.com>
Date: Mon, 04 Jul 2016 13:39:39 +0200
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On 07/04/2016 01:33 PM, Felipe Balbi wrote:
> 
> Hi,
> 
> Krzysztof Kozlowski <k.kozlowski@samsung.com> writes:
> 
>> Hi,
>>
>>
>> Since three recent next releases (first on 20160630), on Odroid XU3 board
>> the USB 3.0 host port (the only one) stopped working.
>>
>> This is a "samsung,exynos5250-dwusb3" (drivers/usb/dwc3/dwc3-exynos.c).
>>
>> Two issues here:
>> 1. The port does not show up as USB 3.0 device.
>> This one device is missing:
>> 	Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>>
>> 2. The port does not work even for 2.0 devices (I didn't test 1.0).
>>
>>
>> config: exynos_defconfig (ARM)
>> DTS: exynos5422-odroidxu3.dts
> 
> apply [1] and try again. That commit is already in greg/usb-testing [2]
> and it should trickle down to usb-next shortly.
> 
> [1] https://marc.info/?l=linux-usb&m=146728795330915&w=2
> [2] https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit/?h=usb-testing&id=322832f2f19e04c866a0ce4bdac8cff8e695f2b3
> 

Ahhh, indeed, fixed.

FWIW:
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

Best regards,
Krzysztof