On Tue, Apr 4, 2017 at 6:11 PM, Fawad Lateef <[email protected]> wrote:
> 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 <[email protected]> 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 <[email protected]> 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 boot-time "Outdated DT detected, suspend/resume will NOT work" and few 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 Now no warning of outdated DT _but_ still 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 > > Great share of issue plus the solution, Fawaad 😎 regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com
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