Am 2021-11-08 09:48, schrieb ZHIZHIKIN Andrey: ..
> Disabling the JR0 node in the kernel makes this error go away, and > decreases the JR count to 2 which can be observed in the NXP vendor kernel. > > I suggest you to extract the node disabling from this patch and send it to Kernel. > Once accepted in upstream - this change would be picked up by the > U-Boot at next DTB re-sync.
No. Please don't disable the node in the kernel device tree. IMHO TF-A (or whoever is using the job ring) is optional. So either u-boot should disable it, either statically by -u-boot.dtsi (but please _per_ board) or at runtime by fixing up the device tree. Another way would be for linux to skip probing if its not available. Though I don't know whether this is "the ususal way". But as Andrey mentioned, any job ring could be taken away. So the -u-boot.dtsi method doesn't seem to be that good. -michael
