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

[Jochen Sprickerhof]

Hi Marek,

* Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> [2019-02-08 13:36]:
> > > > 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.

I've just tried Linux v5.0-rc5 with the Debian config and 
USB_XHCI_PLATFORM=y and it works, thanks!

Is there a way to make it work with xhci compiled as a module, so it 
would work in Debian out of the box?

Cheers Jochen

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