[PATCH V6] kbuild: dtbs_install: new make target

[Russell King - ARM Linux]

On Tue, Dec 03, 2013 at 10:37:28AM -0700, Stephen Warren wrote:
> On 12/01/2013 04:56 PM, Jason Cooper wrote:
> > Unlike other build products in the Linux kernel, there is no 'make
> > *install' mechanism to put devicetree blobs in a standard place.
> > 
> > This patch is an attempt to fix this problem.  Akin to 'make install',
> > this creates a new make target, dtbs_install.  The script that gets
> > called defers to a distribution or user supplied installdtbs binary,
> > if found in the system.  Otherwise, the default action is to install the
> > built dtbs into
> > 
> >   /lib/devicetrees/${kernel_version}/${dts_filename}.dtb
> > 
> > This is done to keep dtbs from different kernel versions separate until
> > things have settled down.  Once the dtbs are stable, and not so strongly
> > linked to the kernel version, the devicetree files will most likely move
> > to their own repo.  Users will need to upgrade install scripts at that
> > time.
> > 
> > /lib has been selected over /boot since /boot is often a FAT filesystem
> > and a majority of the dts filenames are longer than 8+3.
> > 
> > Signed-off-by: Jason Cooper <jason at lakedaemon.net>
> > ---
> > Note: Stephen, I haven't added your Ack because I wanted to make sure you were
> > Ok with the change to /lib in light of /boot partitions formatted to FAT
> 
> This script shouldn't be installing directly to the filesystem, but
> rather some staging area that then gets copied to the desired location
> by distro-/use-specific scripts. As such, the filesystem in /boot isn't
> relevant.

Why do you think that?  All the other install targets install direct to
the common destinations unless you ask for an alternative location.  Why
should this be any different?