The disabled clk API returns -ENOSYS unlike the reset API returning -ENOTSUPP.
Fixes: ca7fdc8b1267 ("usb: host: Add simple of glue driver for DWC3 USB Controllers integration")
Reported-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This is a port of the dwc3-of-simple driver from Linux to enable/deassert
clock and resets of a simple DWC3 Controller HW glue.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>