On 1/28/2017 2:06 PM, Heiner Kallweit wrote: > Supplies for vusb_a and vusb_d are needed only on a minority of systems > supported by the dwc2 driver (AFAIK systems with Samsung SoCs). > > On all other systems this results in these harmless but annoying > warnings: > > c9000000.usb supply vusb_d not found, using dummy regulator > c9000000.usb supply vusb_a not found, using dummy regulator > > Introduce a configuration parameter to ignore the supplies on > systems not needing it.
You can probably just check for the existence of those bindings. Or possibly use devm_regulator_get_optional(). Also, reviewing this code, it looks like vusb_d and vusb_a should have been documented as dwc2 bindings but never were... John -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
