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path: root/drivers/serial/ns16550.c
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Diffstat (limited to 'drivers/serial/ns16550.c')
-rw-r--r--drivers/serial/ns16550.c2
1 files changed, 1 insertions, 1 deletions
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