taglinefilesource code
UART_LSR_BI392drivers/char/serial.cif (*status & (UART_LSR_BI)) {
UART_LSR_BI1252drivers/char/serial.cinfo->read_status_mask |= UART_LSR_BI;
UART_LSR_BI1260drivers/char/serial.cinfo->ignore_status_mask |= UART_LSR_BI;
UART_LSR_BI1261drivers/char/serial.cinfo->read_status_mask |= UART_LSR_BI;