tag	line	file	source code
UART_LSR_DR	406	drivers/char/serial.c	} while (*status & UART_LSR_DR);
UART_LSR_DR	553	drivers/char/serial.c	if (status & UART_LSR_DR)
UART_LSR_DR	608	drivers/char/serial.c	if (status & UART_LSR_DR)
UART_LSR_DR	667	drivers/char/serial.c	if (status & UART_LSR_DR)
UART_LSR_DR	1235	drivers/char/serial.c	info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
UART_LSR_DR	2128	drivers/char/serial.c	info->read_status_mask &= ~UART_LSR_DR;