On Wed 04 Jan 03:54 PST 2017, Lee Jones wrote: > On Mon, 26 Dec 2016, Bjorn Andersson wrote: > > > From: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx> > > > > Implement support for initialization of the lm3533 driver core and > > probing child devices from Device Tree. > > [..] > > @@ -512,6 +514,11 @@ static int lm3533_device_init(struct lm3533 *lm3533) > > lm3533_device_bl_init(lm3533); > > lm3533_device_led_init(lm3533); > > > > + if (lm3533->dev->of_node) { > > + of_platform_populate(lm3533->dev->of_node, NULL, NULL, > > + lm3533->dev); > > + } > > I think it's save to call of_platform_populate(), even if !of_node. > It will just fail and return an error code, which you are ignoring > anyway. > I thought so too, but that's apparently how you trigger probing children of the root node. So we're stuck with a conditional. [..] > > static int lm3533_i2c_probe(struct i2c_client *i2c, > > const struct i2c_device_id *id) > > { [..] > > > > + if (i2c->dev.of_node) { > > I'd prefer this check to be placed in lm3533_pdata_from_of_node(). > > Just return silently if !dev->of_node. > I agree, will update this. > > + ret = lm3533_pdata_from_of_node(lm3533->dev); > > + if (ret < 0) > > + return ret; > > + } > > + > > return lm3533_device_init(lm3533); > > } > > Regards, Bjorn -- 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