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? _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
