[PATCH v2] commands: of_property: Extend command usage on external dtb

[Yunus Bas]

Hi Michael,

Am Dienstag, dem 29.06.2021 um 11:25 +0200 schrieb Michael Riesch:
> Hello Sascha,
> 
> On 6/28/21 10:23 PM, Sascha Hauer wrote:
> > On Fri, Jun 25, 2021 at 06:05:55PM +0200, Yunus Bas wrote:
> > > The scope of the of_property command is limited to the internal
> > > devicetree
> > > only. There is the possibility to add fixtures to postpone the
> > > operation
> > > until boot and after the kernel DTB is already loaded, but this
> > > does not
> > > cover the case when the property value needs to be phandle
> > > adresses
> > > defined in the external DTB, since assigned values are evaluated
> > > immediatly.
> > > 
> > > This patch extends the of_property-command to use it on external
> > > DTB's as
> > > well. In case fixup is not used, the changes will also affect the
> > > original
> > > data.
> > > 
> > > Signed-off-by: Yunus Bas <y.bas at phytec.de>
> > > ---
> > > Changes in v2:
> > > - Use %m instead of "%s", strerror(errno)
> > > - Not fixing devicetree anymore before save
> > > ---
> > >  commands/of_property.c | 74 ++++++++++++++++++++++++++++++++----
> > > ------
> > >  1 file changed, 57 insertions(+), 17 deletions(-)
> > 
> > Applied, thanks
> > 
> > Sascha
> 
> on the current next this patch collides with "fdt: Check blob size
> during unflattening" as the call
> 
> > > +               root = of_unflatten_dtb(fdt);
> 
> requires now an extra size argument.
> 
> There is a variable "size" before the call. Is it safe to use it?

The size variable is read from the dtb, so I think it's also intended
to use it. Shall I send a v3 or can you apply the change?

Regards, Yunus

> 
> Regards, Michael

-- 
Mit freundlichen Grüßen
Yunus Bas

-Software Engineer-
PHYTEC Messtechnik GmbH
Robert-Koch-Str. 39
55129 Mainz
Germany
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