[BUG] Regression, usb-dwc3 not working, Odroid XU3, usb 3.0

Felipe Balbi balbi at kernel.org
Mon Jul 4 04:43:06 PDT 2016


Hi,

Krzysztof Kozlowski <k.kozlowski at samsung.com> writes:
>>> 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 at samsung.com>

cool, thanks for testing :-)

-- 
balbi
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