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serial: ns16550: Call usbtty_poll only in non-SPL build 

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>
This commit is contained in:
Marek Vasut 2012-09-15 10:25:19 +02:00 committed by Tom Rini
parent f1f1e9cb73
commit f2041388bd
1 changed files with 1 additions and 1 deletions
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2
drivers/serial/ns16550.c
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@ -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