Hi Hans,
On Fri, Mar 10, 2017 at 12:25:54PM +0100, Hans Verkuil wrote:
> Slight problem with this. If I make this change, then the of_node_put below
> changes as well:
>
> @@ -1193,7 +1176,7 @@ static int isi_graph_init(struct atmel_isi *isi)
> done:
> if (ret < 0) {
> v4l2_async_notifier_unregister(&isi->notifier);
> - of_node_put(isi->entity.node);
> + of_node_put(isi->entity.asd.match.of.node);
> }
>
> And I get this compiler warning:
>
> CC [M] drivers/media/platform/atmel/atmel-isi.o
> drivers/media/platform/atmel/atmel-isi.c: In function ‘isi_graph_init’:
> drivers/media/platform/atmel/atmel-isi.c:1179:15: warning: passing argument 1
> of ‘of_node_put’ discards ‘const’ qualifier from pointer target type
> [-Wdiscarded-qualifiers]
> of_node_put(isi->entity.asd.match.of.node);
> ^~~
> In file included from drivers/media/platform/atmel/atmel-isi.c:25:0:
> ./include/linux/of.h:130:20: note: expected ‘struct device_node *’ but
> argument is of type ‘const struct device_node *’
> static inline void of_node_put(struct device_node *node) { }
> ^~~~~~~~~~~
>
>
> Any suggestions? Just keep the entity.node after all?
Yeah, makes sense, I didn't come to think of that.
--
Regards,
Sakari Ailus
e-mail: [email protected] XMPP: [email protected]
