Re: [PATCH] usb: dwc3: Enable GBit Ethernet on Odroid XU4

From: Felipe Balbi
Date: Fri Feb 08 2019 - 07:52:25 EST


Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> writes:
>>>> On 21/01/19 16:02, Jochen Sprickerhof wrote:
>>> [..]
>>>>> I'm not sure why this it only works with the driver compiled into the
>>>>> kernel nor why it needs a hard reset or why it was the line was dropped
>>>>> when the patch was accepted. Would be great to get some feedback of the
>>>>> authors.
>>>> When XHCI driver is compiled into the kernel are the relevant PHY drivers
>>>> compiled in as well?
>>> Only CONFIG_USB_PHY=y (I took the config from the linux-image-4.19.0-1-armmp_4.19.13-1_armhf.deb Debian package as a basis where this is the default).
> I confirm that on Odroid XU4 USB 3.0 works only when all related drivers
> (dwc3, xhci and exynos5 drd phy) are compiled into the kernel. If they
> are compiled as modules, USB 3.0 calibration doesn't work. The mentioned
> patch doesn't fix anything.

cool, thanks. So the problem is elsewhere.


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