UART_LSR_FIFOE 36 drivers/tty/serial/8250/8250_of.c if (status & (UART_LSR_FIFOE | UART_LSR_BRK_ERROR_BITS)) UART_LSR_FIFOE 456 drivers/tty/serial/serial-tegra.c if (!(lsr & UART_LSR_DR) && (lsr & UART_LSR_FIFOE))