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@xxxxxxxxxxxxxx>
---
drivers/usb/chipidea/ci_hdrc_imx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 80b4e4ef9b68..3dcfd0d97f94 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -141,6 +141,8 @@ 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))
--
2.19.2
