Hello everybody,

We designed one custom board with TI's OMAP processor similar to 
beagleboard. 
we registered our board and got Machine ID, even i gave wrong machine ID 
(i.e., i tried different .dts accidentally IDs are different in each case), 
my kernel is booting.

In .dts, i made this entry

model = "CDAC OMAP3 WINGZ board";
compatible = "CDAC,omap3-wingz", "ti,omap3";

I didn't do any changes to the kernel with compatible entry for "CDAC, 
omap3-wingz", but still kernel is booting without any problem.

What my question is 
1. Is it really required to pass Machine ID as a parameter to the linux 
kernel while booting ?
2. How the kernel is booting even i gave "compatible" field which is not at 
all available as an entry in linux kernel?

Is only device tree is sufficient to boot the kernel on ARM boards?

Thanks & Regards,

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