168 		if (!strncmp(s, "0x", 2)) {  in early_serial_init()
173 			if (!strncmp(s, "ttyS", 4))  in early_serial_init()
228 	if (!strncmp(s, "0x", 2)) {  in early_mmio_serial_init()
241 	if (!strncmp(s, "nocfg", 5)) {  in early_mmio_serial_init()
279 	if (!strncmp(s, "force,", 6)) {  in early_pci_serial_init()
401 		if (!strncmp(buf, "mmio32", 6)) {  in setup_early_printk()
406 		if (!strncmp(buf, "serial", 6)) {  in setup_early_printk()
410 			if (!strncmp(buf, ",ttyS", 5))  in setup_early_printk()
413 		if (!strncmp(buf, "ttyS", 4)) {  in setup_early_printk()
418 		if (!strncmp(buf, "pciserial", 9)) {  in setup_early_printk()
424 		if (!strncmp(buf, "vga", 3) &&  in setup_early_printk()
432 		if (!strncmp(buf, "dbgp", 4) && !early_dbgp_init(buf + 4))  in setup_early_printk()
436 		if (!strncmp(buf, "xen", 3))  in setup_early_printk()
440 		if (!strncmp(buf, "xdbc", 4))  in setup_early_printk()