Hi Heiko, > Heiko Stuebner <heiko at sntech.de> hat am 12. September 2016 um 13:05 > geschrieben: > > > Hi Stefan, > > Am Montag, 12. September 2016, 07:20:44 CEST schrieb Stefan Wahren: > > > Heiko Stuebner <heiko at sntech.de> hat am 11. September 2016 um 23:19 > > > geschrieben: > > > Am Mittwoch, 7. September 2016, 19:39:43 CEST schrieb John Youn: > > > > When a force mode bit is set and the IDDIG debounce filter is enabled, > > > > there is a delay for the forced mode to take effect. This delay is due > > > > to the IDDIG debounce filter and is variable depending on the platform's > > > > PHY clock speed. To account for this delay we can poll for the expected > > > > mode. > > > > > > > > On a clear force mode, since we don't know what mode to poll for, delay > > > > for a fixed 100 ms. This is the maximum delay based on the slowest PHY > > > > clock speed. > > > > > > > > Tested-by: Stefan Wahren <stefan.wahren at i2se.com> > > > > Signed-off-by: John Youn <johnyoun at synopsys.com> > > > > --- > > > > > > [...] > > > > > > > @@ -475,12 +478,6 @@ void dwc2_force_dr_mode(struct dwc2_hsotg *hsotg) > > > > > > > > __func__, hsotg->dr_mode); > > > > > > > > break; > > > > > > > > } > > > > > > > > - > > > > - /* > > > > - * NOTE: This is required for some rockchip soc based > > > > - * platforms. > > > > - */ > > > > - msleep(50); > > > > > > > > } > > > > > > sorry for not finding the time to test your subsequent versions, but this > > > still > > > acts up on my Rockchip boards, as I'm still running into errors like > > > > > > [ 4.875570] usb usb2-port1: connect-debounce failed > > > > could you please name the relevant DTS file of the affected boards? > > So far I've been able to see that on > > rk3188-radxarock > rk3036-kylin > > both on host-only dwc2 controllers. thanks, does patch 1 & 2 already have a negative effect on these controllers? Stefan > > Checking my rk3288-veyron-pinky, I see my usb-ethernet coming up correctly and > > if I'm not mistaken (some sort of blindness when reading dmesg), there the > adapter is connected to the real otg dwc2 on there. > > So right now it really seems to be limited to host-only dwc2 controllers, but > I guess I should double check that once I can switch cables around again. > > > Heiko
