Hi, 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. -- balbi
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