[U-Boot] [PATCH v2] fdt: Pass the device serial number through devicetree

Paul Kocialkowski contact at paulk.fr
Sun May 24 12:03:21 CEST 2015


Hi Simon,

[…]

> > > > diff --git a/include/fdt_support.h b/include/fdt_support.h
> > > > index 5d4f28d..56185c9 100644
> > > > --- a/include/fdt_support.h
> > > > +++ b/include/fdt_support.h
> > > > @@ -16,6 +16,7 @@ u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
> > > >                                 const char *prop, const u32 dflt);
> > > >  u32 fdt_getprop_u32_default(const void *fdt, const char *path,
> > > >                                 const char *prop, const u32 dflt);
> > > > +int fdt_root(void *fdt);
> > >
> > > Please can you add a comment for this in the standard style?
> >
> > As far as I can see, fdt_root plays a similar role to fdt_chosen and
> > fdt_initrd, all of which are defined in fdt_support.c and used in
> > image-fdt.c's image_setup_libfdt.
> >
> > Their prototypes are defined in fdt_support.h and neither fdt_chosen nor
> > fdt_initrd have such a comment, so I didn't think it was very consistent
> > to add one for fdt_root when writing the patch.
> >
> > Now if you think it's worth adding such a comment for the sake of
> > documentation, I don't object to it but it still leaves me with a
> > feeling of inconsistency with regard to other similar prototypes.
> 
> You want uncommented code for consistency?? :-)
> 
> If you are concerned, you could add a new patch that adds comments for
> some other functions in fdt_support.h. That would be welcome. But at
> least, please add comments for new code.

Fair enough, I've just sent out another patch that adds (minimalistic)
documentation for all 3 functions.

> The problem with that is that no one is going to go through and
> comment all these APIs. Generally the only way the code quality
> improves is when people add new features or refactor the code for some
> reason.

I understand.

Thanks for the review!

> > > >  int fdt_chosen(void *fdt);
> > > >  int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
> > > >  void do_fixup_by_path(void *fdt, const char *path, const char *prop,
> > > > --
> > > > 1.9.1
> > > >
> 
> Regards,
> Simon

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