dm: ns16550: Allow the driver to be omitted if requested

Allow the ns16550 debug UART to be used without the full driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Thomas Chou <thomas@wytron.com.tw>
This commit is contained in:
Simon Glass 2015-12-13 21:36:59 -07:00
parent 92c55b682c
commit b7e29834f1

View File

@ -439,6 +439,7 @@ static const struct udevice_id ns16550_serial_ids[] = {
};
#endif
#if CONFIG_IS_ENABLED(SERIAL_PRESENT)
U_BOOT_DRIVER(ns16550_serial) = {
.name = "ns16550_serial",
.id = UCLASS_SERIAL,
@ -452,4 +453,5 @@ U_BOOT_DRIVER(ns16550_serial) = {
.ops = &ns16550_serial_ops,
.flags = DM_FLAG_PRE_RELOC,
};
#endif
#endif /* CONFIG_DM_SERIAL */