On Wednesday 19 January 2011, Nicolas Pitre wrote:
> On Wed, 19 Jan 2011, Loïc Minier wrote:
>
> > On Wed, Jan 19, 2011, James Westby wrote:
> > > fdt
> > >
> > > What would we do with this if we found it in a hwpack?
> >
> > I don't know; I need more handson experience with DT to tell. It might
> > be that we don't need this this cycle because the DT will be embedded
> > in the zImage. Otherwise, we'd have to mkimage it along uImage and
> > uInitrd, probably in a uFdt or something like that, and then change the
> > boot script to pass it to the kernel.
>
> I'd prefer if we could keep the kernel and fdt images separate as much
> as possible. In theory, the fdt should be updated far less often than
> the kernel. If we really need to bundle the kernel and fdt together
> then there is generic support for that in the kernel build system
> already.
More importantly, you might want to update the fdt files on a different
cycle than the kernel. If you have a new slightly different configuration
in a new machine you want to support, it may be easier to add a new file
somewhere than doing a respin of all the kernel packages when they
contain the dtc source. I would not see much of a problem with always
shipping all trees with the kernel package, even if they never change.
Arnd
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