Symbol: DW_UART_USR_BUSY
drivers/tty/serial/8250/8250_dw.c
193
if (!(serial_port_in(p, usr_reg) & DW_UART_USR_BUSY))
drivers/tty/serial/8250/8250_dw.c
206
if (serial_port_in(p, usr_reg) & DW_UART_USR_BUSY) {