Vbus regualtor is an optional regulator, for platforms, which doesn't have this regulator, it will get a dummy regulator and show warning message. Signed-off-by: Peter Chen <peter.chen@xxxxxxx> --- drivers/usb/chipidea/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 8cb2ed3dabfe..38b01a334d8f 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -676,7 +676,7 @@ static int ci_get_platdata(struct device *dev, if (platdata->dr_mode != USB_DR_MODE_PERIPHERAL) { /* Get the vbus regulator */ - platdata->reg_vbus = devm_regulator_get(dev, "vbus"); + platdata->reg_vbus = devm_regulator_get_optional(dev, "vbus"); if (PTR_ERR(platdata->reg_vbus) == -EPROBE_DEFER) { return -EPROBE_DEFER; } else if (PTR_ERR(platdata->reg_vbus) == -ENODEV) { -- 2.17.1