UART01x_RSR_FE
rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
else if (rsr & UART01x_RSR_FE)
else if (rsr & UART01x_RSR_FE)
port->read_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
port->ignore_status_mask |= UART01x_RSR_FE | UART01x_RSR_PE;
#define UART01x_RSR_ANY (UART01x_RSR_OE | UART01x_RSR_BE | UART01x_RSR_PE | UART01x_RSR_FE)