Eth0 is not working after R17 upgrade - WP76xx

[sharathsharu25]

Hi, I Recently upgraded from R16_01 to R17 Release, but after the upgrade, I observed that eth0 is not working. I am facing the same issue even with the standard generic Image.

[jyijyi]

please see here:

OTG doesn't work as expected on Release 17

No we’re using the USB+/- lines directly connected to the WP7607 module. the USB host connector works fine on both boards with R17.

As workaround, you might need to use R16 or route to USB host connector which is using HSIC bus.

R17, no eth0 in custom board

After upgrading my WP7607 module to R17, it boots normally in mangOH-Green, but when I put it in a custom board (R16.3 used to function with no issue) eth0 is not present, (ifconfig doesn’t list eth0). It seems like an issue with low power mode on the usb host controller, btw I’ve tried executing echo NO_SLEEP > /sys/power/wake_lock please find in the attachment two log files, one from the module when booting in mangOH-Green and the second is for the same module but in a custom board. dev_bo…

[sharathsharu25]

Are you saying that eth0 is currently not working in R17?

[jyijyi]

USB OTG is not working in R17
if your ethernet part needs to use USB OTG, then it is not working

But if your ethernet part is using HSIC, then it should be Ok according to other user experience.

[sharathsharu25]

Yes, we are using USB OTG for ethernet using the LAN9514.

[jyijyi]

then you should not upgrade to R17 at this stage for other modules

[sharathsharu25]

@jyijyi Thanks for the confirmation & update on this issue.

[jyijyi]

We have test build of R17 which is for fixing USB OTG.
I have tested with USB thumb drive, it is OK to read it:

Otg issue in R17, host mode does not work

[sharathsharu25]

I will test it and let you know.

[sharathsharu25]

@jyijyi I have tested the Image you shared and its working!!!