Message ID | 20181204083131.12524-3-u.kleine-koenig@pengutronix.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | usb: chipidea: imx: improve oc handling | expand |
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 18b0ca87799c..1e7182272fb5 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -144,6 +144,8 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev) } else if (of_find_property(np, "over-current-active-low", NULL)) { data->oc_pol_active_low = 1; data->oc_pol_configured = 1; + } else { + dev_warn(dev, "No over current polarity defined\n"); } if (of_find_property(np, "external-vbus-divider", NULL))
The polarity of the over current detection pin isn't configured on i.MX6/7 if it's unspecified in the device tree. So the actual configuration depends on bootloader behavior which is bad. So encourage users to fix their device tree by issuing a warning in this case. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- drivers/usb/chipidea/ci_hdrc_imx.c | 2 ++ 1 file changed, 2 insertions(+)