Quoting Peter Chen (2016-08-08 01:52:10) > From: Peter Chen <peter.chen@xxxxxxxxxxxxx> > > At device tree, we have no device node for chipidea core, > the glue layer's node is the parent node for host and udc > device. But in related driver, the parent device is chipidea > core. So, in order to let the common driver get parent's node, > we let the core's device node equals glue layer device node. > > Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> > Tested-by: Maciej S. Szmigiero <mail@xxxxxxxxxxxxxxxxxxxxx> > Tested-by Joshua Clayton <stillcompiling@xxxxxxxxx> > --- > drivers/usb/chipidea/core.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c > index 69426e6..b189dc7 100644 > --- a/drivers/usb/chipidea/core.c > +++ b/drivers/usb/chipidea/core.c > @@ -954,6 +954,15 @@ static int ci_hdrc_probe(struct platform_device *pdev) > dev_err(dev, "unable to init phy: %d\n", ret); > return ret; > } > + /* > + * At device tree, we have no device node for chipidea core, > + * the glue layer's node is the parent node for host and udc > + * device. But in related driver, the parent device is chipidea > + * core. So, in order to let the common driver get parent's node, > + * we let the core's device node equals glue layer's node. > + */ > + if (dev->parent && dev->parent->of_node) > + dev->of_node = dev->parent->of_node; Can this be done earlier? Perhaps after hw_device_init() in this probe routine? That would allow me to remove the awkward parent searching in my ULPI DT awareness patch. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
