On Tue, Nov 25, 2014 at 02:58:54PM +0000, Grant Likely wrote:
> > + len = strchrnul(path, ':') - path;
> > +
> > for_each_property_of_node(of_aliases, pp) {
> > if (strlen(pp->name) == len && !strncmp(pp->name, path,
> > len)) {
> > np = of_find_node_by_path(pp->value);
>
> Can you add a testcase to drivers/of/unittests.c for this new path
> parsing? Then we know it's correct!
Will do.
> > @@ -1830,8 +1835,12 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64
> > align))
> > name = of_get_property(of_chosen, "linux,stdout-path",
> > NULL);
> > if (IS_ENABLED(CONFIG_PPC) && !name)
> > name = of_get_property(of_aliases, "stdout", NULL);
> > - if (name)
> > + if (name) {
> > of_stdout = of_find_node_by_path(name);
> > + of_stdout_options = strchr(name, ':');
> > + if (of_stdout_options != NULL)
> > + of_stdout_options++;
> > + }
>
> Not so good. The ':' should actually be a generic part of
> of_find_node_by_path(), it doesn't have to be limited to stdout parsing.
> There are other places that would use it. I would add a second,
> optional, argument to of_find_node_by_path() that will update a pointer
> to the arguments after the ':'.
So, I agree this would be nicer...
However, I'm counting 157 callers of this function outside of
drivers/of and 43 inside. Any chance you'd let me get away with a
separate of_find_extra_options_by_path()?
/
Leif
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