tag	line	file	source code
UART_LSR_PE	229	kernel/chr_drv/serial.c	} else if (*status & UART_LSR_PE)
UART_LSR_PE	582	kernel/chr_drv/serial.c	UART_LSR_PE;
UART_LSR_PE	1055	kernel/chr_drv/serial.c	UART_LSR_PE;