On Mon, Jan 06, 2014 at 11:26:59AM +0100, Jan Weitzel wrote:
> Am Montag, den 06.01.2014, 10:32 +0100 schrieb Sascha Hauer:
> > Hi Jan,
> >
> > On Fri, Dec 20, 2013 at 02:24:48PM +0100, Jan Weitzel wrote:
> > > Let of_find_node_by_path_or_alias also find a node starting with an alias
> > > followed by a path like "i2c0/tps@24"
> > >
> > > Signed-off-by: Jan Weitzel <j.weitzel@xxxxxxxxx>
> > > ---
> > > v2: rename ret to node
> > >
> > > drivers/of/base.c | 22 +++++++++++++++++++++-
> > > 1 files changed, 21 insertions(+), 1 deletions(-)
> > >
> > > diff --git a/drivers/of/base.c b/drivers/of/base.c
> > > index ea2d879..5b5272d 100644
> > > --- a/drivers/of/base.c
> > > +++ b/drivers/of/base.c
> > > @@ -1378,11 +1378,31 @@ EXPORT_SYMBOL(of_find_node_by_path);
> > > struct device_node *of_find_node_by_path_or_alias(struct device_node *root,
> > > const char *str)
> > > {
> > > + struct device_node *node;
> > > + char *slash, *alias;
> > > + size_t len = 0;
> > > +
> > > if (*str == '/')
> > > return of_find_node_by_path_from(root, str);
> > > - else
> > > +
> > > + slash = _strchr(str, '/');
> >
> > You should use regular strchr, not _strchr. Or is there any reason to do
> > it differently here?
> I got this from the strchr wrapper:
>
> drivers/of/base.c: In function 'of_find_node_by_path_or_alias':
> drivers/of/base.c:1388:8: warning: assignment discards 'const' qualifier
> from pointer target type [enabled by default]
>
> Is there a cleaner way?
Try making 'slash' const.
Sascha
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