SCLP_TTY_BUF_SIZE   51 drivers/s390/char/sclp_tty.c static unsigned char sclp_tty_chars[SCLP_TTY_BUF_SIZE];
SCLP_TTY_BUF_SIZE  257 drivers/s390/char/sclp_tty.c 	if (ch == '\n' || sclp_tty_chars_count >= SCLP_TTY_BUF_SIZE) {