[PATCH v3] media: i2c: tvp514x: add OF support
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Thu May 16 22:50:06 EST 2013
Hi Prabhakar,
On Thursday 16 May 2013 18:13:38 Prabhakar Lad wrote:
> On Thu, May 16, 2013 at 5:40 PM, Laurent Pinchart wrote:
> > Hi Prabhakar,
>
> [Snip]
>
> >> +
> >> + pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
> >> + if (!pdata)
> >
> > I've started playing with the V4L2 OF bindings, and realized that should
> > should call of_node_put() here.
>
> you were referring of_node_get() here rite ?
No, I'm referring to of_node_put(). The v4l2_of_get_next_endpoint() function
mentions
* Return: An 'endpoint' node pointer with refcount incremented. Refcount
* of the passed @prev node is not decremented, the caller have to use
* of_node_put() on it when done.
> of_node_get/put() got recently added I guess coz of which I missed it :)
>
> >> + return NULL;
> >> +
> >> + v4l2_of_parse_endpoint(endpoint, &bus_cfg);
> >> + flags = bus_cfg.bus.parallel.flags;
> >> +
> >> + if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH)
> >> + pdata->hs_polarity = 1;
> >> +
> >> + if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH)
> >> + pdata->vs_polarity = 1;
> >> +
> >> + if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING)
> >> + pdata->clk_polarity = 1;
> >> +
> >
> > As well as here. Maybe a
> >
> > done:
> > of_node_put(endpoint);
> > return pdata;
> >
> > with a goto done in the devm_kzalloc error path would be better.
--
Regards,
Laurent Pinchart
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