XMTRDY            102 arch/x86/boot/compressed/misc.c 	while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout)
XMTRDY             32 arch/x86/boot/tty.c 	while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout)
XMTRDY            117 arch/x86/kernel/early_printk.c 	while ((serial_in(early_serial_base, LSR) & XMTRDY) == 0 && --timeout)