From: "Alex Mach" <alexvm12e@xxxxxxx>
Date: Wed, 19 May 2010 12:53:22 +0400
>
>> Only drivers/net/niu.c does, it does the physical address handling by
>> hand.
>
> I'd like try to modify ethoc driver according to niu driver. As I
> understand I've to add some device node(let's call it by Ethoc f.e) to
> OBP device tree as you wrote in one of previous mail. So could you get
> example of the node for niu device, please?
There is nothing special about the NIU device node, it looks like
just any other node in the openfirmware tree for a device.
It merely follows the rules specified by the OpenFirmware
specification for device nodes in that it has a 'name', 'reg',
etc. properties.
What's important in your case is that the code in arch/sparc/kerne/of_device{,_64}.c
and arch/sparc/kernel/prom{,_64}.c builds a correct device node that can be probed
and used in a driver based upon the information contained in those fields.
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