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usb: chipidea: imx: Warn if oc polarity isn't specified

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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>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
This commit is contained in:
Uwe Kleine-König 2018-12-04 09:31:30 +01:00 committed by Peter Chen
parent a82bf696aa
commit 1bf4743f64
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/chipidea/ci_hdrc_imx.c
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@ -148,6 +148,8 @@ 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))