Symbol: serial8250_request_dma
drivers/tty/serial/8250/8250.h
380
extern int serial8250_request_dma(struct uart_8250_port *);
drivers/tty/serial/8250/8250_dma.c
316
EXPORT_SYMBOL_GPL(serial8250_request_dma);
drivers/tty/serial/8250/8250_omap.c
736
ret = serial8250_request_dma(up);
drivers/tty/serial/8250/8250_port.c
2321
else if (serial8250_request_dma(up))