[PATCH 1/5] capemgr: Beaglebone DT overlay based cape manager

[Pantelis Antoniou]

Hi Arnd,

On Jan 9, 2013, at 12:21 PM, Arnd Bergmann wrote:

> On Wednesday 09 January 2013, Pantelis Antoniou wrote:
>> I've also heard in passing of some boards that just have an area in NAND
>> where a list of plugged in boards is stored. It can be simplified by
>> having the bootloader pass a command line argument.
>> 
>> Other than the different probe method (and possible future hot-plug capability)
>> I don't see anything different.  
>> 
>> What do you think?
> 
> Just one comment on the command line option from the boot loader: If the
> boot loader is already DT aware, it should not need to modify the command line,
> but instead should just enable or disable the right nodes in the tree to
> statically configure all the peripherals on the extension board. That of course
> won't work for hotpluggable devices.
> 

Both methods work for the beaglebone capemgr. Not every bootloader (or version of
the bootloader) can modify DT blobs, but the kernel command line is easily modified.

> 	Arnd

Regards

-- Pantelis

P.S. Any word from the core maintainers yet?