On Tue, 2015-02-17 at 07:09 -0800, Greg Kroah-Hartman wrote:
> >
> > Doesn't this need sysfs documentation?
>
> Yes it does.
Ok, will do.
> > > Signed-off-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> >
> > I don't mind applying, but this is Greg's code.
> >
> > Rob
> >
> > > ---
> > > drivers/base/core.c | 8 ++++++++
> > > 1 file changed, 8 insertions(+)
> > >
> > > diff --git a/drivers/base/core.c b/drivers/base/core.c
> > > index 97e2baf..61ef574 100644
> > > --- a/drivers/base/core.c
> > > +++ b/drivers/base/core.c
> > > @@ -469,6 +469,7 @@ static int device_add_attrs(struct device *dev)
> > > {
> > > struct class *class = dev->class;
> > > const struct device_type *type = dev->type;
> > > + struct device_node *of_node;
> > > int error;
> > >
> > > if (class) {
> > > @@ -493,6 +494,13 @@ static int device_add_attrs(struct device *dev)
> > > goto err_remove_dev_groups;
> > > }
> > >
> > > + of_node = dev_of_node(dev);
> > > + if (of_node) {
> > > + error = sysfs_create_link(&dev->kobj, &of_node->kobj, "of_node");
> > > + if (error)
> > > + dev_warn(dev, "Error %d creating of_node link\n", error);
> > > + }
>
> You don't clean up the link when the device is removed?
Hrm, I suppose I do :-)
> And why do it here and not in device_add_class_symlinks() like all other
> devices do?
Well, device_add_class_symlinks() had "class" in the name so I
(incorrectly) assumed that was for class related stuff, but I see
that the parent pointer is there too. Also originally my patch was
adding an attribute and got turned into a symlink later. I'll move
it.
Cheers,
Ben.
> thanks,
>
> greg k-h
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
