Hi, Just as an update (and for future reference for anyone having similar issue): I got this all this sorted-out. Had to change some dt-binding for device and it was mostly drivers related changes for hardware components. Mostly nothing to do with DT. Thanks Fawad Lateef -- Fawad Lateef On 3 April 2017 at 10:54, Fawad Lateef <fawadlateef@xxxxxxxxx> wrote: > Hi, > > One more thing I realised that eth0 which is working is directly out > of SOM/SOC but other 3 eth ports are connected to a internal USB > switch (so Linux should see only eth1 besides eth0). > > So seems like flash/nand chip (m25p80) and spi_ks8995 (Micrel KS8995 > Ethernet switch SPI) mainly not working. > > Thanks > > > > -- Fawad Lateef > > > On 3 April 2017 at 10:38, Fawad Lateef <fawadlateef@xxxxxxxxx> wrote: >> Hi, >> >> I am facing some issues with device-trees (I am fairly new to them) >> and need some pointers about how to approach below problem: >> >> I got some I.MX6Q based hardware (some custom made whose hardware >> details are unknown to me). Hardware shipped with 3.10.53 kernel with >> full sources and everything is working on it >> >> Trying to get one of the recent kernel working on it (linux-4.4, from >> linux-linaro-stable with rt patches). I can compile the kernel and >> boot into it using 3.10.xx kernel compiled DTB but getting Warning at >> boot-time "Outdated DT detected, suspend/resume will NOT work" and few >> main hardware components not working (mainly ethernet(s) - 1 out of 4 >> ports working though, MTD/NAND (for u-boot environment)) >> >> So I looked into compiling the DTS (from 3.10 kernel) for 4.4 and >> managed to get it compiled. Now no warning of outdated DT _but_ still >> hardware components not working. >> >> I was assuming that as hardware is still same for both kernel 3.10 and >> 4.4, so it should work, but seems like something in DT is off for 4.4 >> kernel. >> >> Any help and suggestions will be good enough for me to look into above issue. >> >> Thanks and regards, >> >> -- Fawad Lateef _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
