> Signed-off-by: Kangjie Lu <kjlu@xxxxxxx> > --- > drivers/usb/chipidea/ci_hdrc_msm.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c > b/drivers/usb/chipidea/ci_hdrc_msm.c > index 880009987460..7dc987b4036a 100644 > --- a/drivers/usb/chipidea/ci_hdrc_msm.c > +++ b/drivers/usb/chipidea/ci_hdrc_msm.c > @@ -250,6 +250,8 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev) > ulpi_node = of_get_child_by_name(pdev->dev.of_node, "ulpi"); > if (ulpi_node) { > phy_node = of_get_next_available_child(ulpi_node, NULL); > + if (!phy_node) > + dev_err(&pdev->dev, "no child nodes found\n"); > ci->hsic = of_device_is_compatible(phy_node, "qcom,usb-hsic-phy"); > of_node_put(phy_node); > } With "ulpi" node, but phy node is not found, I assume the controller can't work properly, we may need to return error value. Add loic to confirm. Peter