Having both USBTTY and CONFIG_SERIAL_MULTI enabled in SPL, the usbtty.c file is protected in Makefile to not be compiled into the SPL. Yet, the ns16550 serial driver does not contain such protection. Add it to avoid missing symbol error.
Signed-off-by: Marek Vasut marex@denx.de Cc: Marek Vasut marek.vasut@gmail.com Cc: Tom Rini trini@ti.com --- drivers/serial/ns16550.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index facadd2..9027781 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -101,7 +101,7 @@ void NS16550_putc(NS16550_t com_port, char c) char NS16550_getc(NS16550_t com_port) { while ((serial_in(&com_port->lsr) & UART_LSR_DR) == 0) { -#ifdef CONFIG_USB_TTY +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USB_TTY) extern void usbtty_poll(void); usbtty_poll(); #endif