Symbol: UART_TX_READY
drivers/tty/serial/amba-pl010.c
43
#define UART_TX_READY(s) (((s) & UART01x_FR_TXFF) == 0)
drivers/tty/serial/apbuart.h
63
#define UART_TX_READY(s) (((s) & UART_STATUS_THE) != 0)