Messages in this thread | | | Date | Wed, 20 Mar 2019 19:12:25 +0100 | From | Jochen Sprickerhof <> | Subject | Re: [PATCH] usb: dwc3: Enable GBit Ethernet on Odroid XU4 |
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Hi Marek,
* Marek Szyprowski <m.szyprowski@samsung.com> [2019-03-11 12:11]: >Hi Jochen, > >On 2019-02-08 20:35, Jochen Sprickerhof wrote: >> Hi Marek, >> >> * Marek Szyprowski <m.szyprowski@samsung.com> [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? > >One more comment - 5000M mode will also work with everything compiled as >modules (dwc3, exynos5 drd phy and xhci-plat) too. Just make sure that >xhci-plat is loaded before dwc3. This would require some manual >configuration, because autoloading will load xhci-plat after dwc3 probe >and switch to host mode.
Thanks so much for the hint, this made it working :). I opened a bug with Debian:
https://bugs.debian.org/925167
Cheers Jochen [unhandled content-type:application/pgp-signature] | |