[U-Boot] [PATCH 6/6] fdt: Add a Linux tool for reading values from FDT files

[Marek Vasut]

Dear Mike Frysinger,

> On Monday 20 August 2012 20:51:32 Joe Hershberger wrote:
> > On Mon, Aug 20, 2012 at 7:24 PM, Mike Frysinger wrote:
> > > On Monday 20 August 2012 19:40:45 Joe Hershberger wrote:
> > >> On Fri, Aug 17, 2012 at 6:35 PM, Mike Frysinger wrote:
> > >> > On Friday 17 August 2012 16:34:40 Joe Hershberger wrote:
> > >> >> Designed to be able to access itb files on a filesystem or an mtd
> > >> >> partition.
> > >> >> 
> > >> >> Supports print and list (like the fdt command) and also offset for
> > >> >> finding the offset and size of a given property in an FDT file.
> > >> >> 
> > >> >> This is especially helpful when reading properties from an ITB
> > >> >> file.
> > >> > 
> > >> > doesn't the ftdump utility from the dtc package cover your needs ?
> > >> 
> > >> No.  The purpose is to use this utility e.g. in a Linux shell script
> > >> to retrieve a property from the ITB.  The two places I use it are to
> > >> retrieve a version number from the ITB and to identify the offset and
> > >> size of a data block (image) in the ITB.
> > >> 
> > >> From what I can see the ftdump utility in the dtc component just dumps
> > >> the ITB as a single blob with no options.  I'm looking at the dtc
> > >> 1.2.0 source.
> > > 
> > > ... so wouldn't the logical thing be to extend ftdump to support your
> > > needs and send a patch to the DTC authors rather than to write an
> > > entire tool from scratch and commit it to a tree that is merely a user
> > > of device trees ?
> > 
> > Yes it probably would have been, if I had noticed that the ftdump
> > utility existed, then that is the approach I would have taken.  I
> > think it is of specific use to u-boot users, but if you think it's
> > better to extend ftdump, I guess I could take that approach.
> 
> i think it has a better chance of being maintained and other people using
> it if it were merged into the canonical DTC project.  i can see a more
> swiss army type tool being useful to people rather than having to pipe it
> all through awk.
> 
> git: git://git.jdl.com/software/dtc.git
> e-mail: devicetree-discuss at lists.ozlabs.org
> 
> they're friendly people :)

Mostly :-)

Best regards,
Marek Vasut