On Wed, Jan 08, 2020 at 12:49:52PM +0100, Belisko Marek wrote: > Hi, > > we're using mainline 4.12 kernel (bit too old I know) on am335x board. That's _MUCH_ too old and obsolete and broken, there's nothing the community can do about this, sorry. Please update to a modern kernel version, like 5.4, and we will be glad to help. If you are stuck at 4.12 due to a SoC vendor issue, please contact that vendor for support as you are already paying for it from them. good luck! greg k-h