Constify struct cfattach.

ok visa@ a long time ago, ok patrick@

103 files changed, 209 insertions, 209 deletions

diff --git a/sys/dev/fdt/acrtc.c b/sys/dev/fdt/acrtc.c
index 87dd31e4221..72cc66ab51d 100644
--- a/sys/dev/fdt/acrtc.c
+++ b/sys/dev/fdt/acrtc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: acrtc.c,v 1.4 2020/03/28 11:40:29 kettenis Exp $	*/
+/*	$OpenBSD: acrtc.c,v 1.5 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -72,7 +72,7 @@ struct acrtc_softc {
 int	acrtc_match(struct device *, void *, void *);
 void	acrtc_attach(struct device *, struct device *, void *);
 
-struct cfattach acrtc_ca = {
+const struct cfattach acrtc_ca = {
 	sizeof(struct acrtc_softc), acrtc_match, acrtc_attach
 };
 
diff --git a/sys/dev/fdt/ahci_fdt.c b/sys/dev/fdt/ahci_fdt.c
index cd2abd5047a..ede60d26908 100644
--- a/sys/dev/fdt/ahci_fdt.c
+++ b/sys/dev/fdt/ahci_fdt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ahci_fdt.c,v 1.5 2018/12/04 11:25:48 kettenis Exp $ */
+/* $OpenBSD: ahci_fdt.c,v 1.6 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2013,2017 Patrick Wildt <patrick@blueri.se>
  *
@@ -39,7 +39,7 @@ int	ahci_fdt_activate(struct device *, int);
 
 extern int ahci_intr(void *);
 
-struct cfattach ahci_fdt_ca = {
+const struct cfattach ahci_fdt_ca = {
 	sizeof(struct ahci_softc),
 	ahci_fdt_match,
 	ahci_fdt_attach,
diff --git a/sys/dev/fdt/amlclock.c b/sys/dev/fdt/amlclock.c
index c74b600d7f7..9c26eec4407 100644
--- a/sys/dev/fdt/amlclock.c
+++ b/sys/dev/fdt/amlclock.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlclock.c,v 1.12 2020/12/22 15:23:51 kettenis Exp $	*/
+/*	$OpenBSD: amlclock.c,v 1.13 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -149,7 +149,7 @@ struct amlclock_softc {
 int amlclock_match(struct device *, void *, void *);
 void amlclock_attach(struct device *, struct device *, void *);
 
-struct cfattach	amlclock_ca = {
+const struct cfattach	amlclock_ca = {
 	sizeof (struct amlclock_softc), amlclock_match, amlclock_attach
 };
 
diff --git a/sys/dev/fdt/amldwusb.c b/sys/dev/fdt/amldwusb.c
index 667b966c6fd..9cffb0fa86f 100644
--- a/sys/dev/fdt/amldwusb.c
+++ b/sys/dev/fdt/amldwusb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amldwusb.c,v 1.3 2020/12/17 22:39:45 kettenis Exp $	*/
+/*	$OpenBSD: amldwusb.c,v 1.4 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark kettenis <kettenis@openbsd.org>
  *
@@ -121,7 +121,7 @@ struct amldwusb_softc {
 int	amldwusb_match(struct device *, void *, void *);
 void	amldwusb_attach(struct device *, struct device *, void *);
 
-struct cfattach amldwusb_ca = {
+const struct cfattach amldwusb_ca = {
 	sizeof(struct amldwusb_softc), amldwusb_match, amldwusb_attach
 };
 
diff --git a/sys/dev/fdt/amliic.c b/sys/dev/fdt/amliic.c
index c6977c7962a..c0a22bd2a6b 100644
--- a/sys/dev/fdt/amliic.c
+++ b/sys/dev/fdt/amliic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amliic.c,v 1.4 2021/06/14 12:06:06 kettenis Exp $	*/
+/*	$OpenBSD: amliic.c,v 1.5 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -76,7 +76,7 @@ struct amliic_softc {
 int amliic_match(struct device *, void *, void *);
 void amliic_attach(struct device *, struct device *, void *);
 
-struct cfattach	amliic_ca = {
+const struct cfattach	amliic_ca = {
 	sizeof (struct amliic_softc), amliic_match, amliic_attach
 };
 
diff --git a/sys/dev/fdt/amlmmc.c b/sys/dev/fdt/amlmmc.c
index bc657e4844e..e106e4670b2 100644
--- a/sys/dev/fdt/amlmmc.c
+++ b/sys/dev/fdt/amlmmc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlmmc.c,v 1.10 2021/04/20 19:33:03 kettenis Exp $	*/
+/*	$OpenBSD: amlmmc.c,v 1.11 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -156,7 +156,7 @@ struct amlmmc_softc {
 int amlmmc_match(struct device *, void *, void *);
 void amlmmc_attach(struct device *, struct device *, void *);
 
-struct cfattach	amlmmc_ca = {
+const struct cfattach	amlmmc_ca = {
 	sizeof (struct amlmmc_softc), amlmmc_match, amlmmc_attach
 };
 
diff --git a/sys/dev/fdt/amlpciephy.c b/sys/dev/fdt/amlpciephy.c
index 81c5b945899..e879f9c5415 100644
--- a/sys/dev/fdt/amlpciephy.c
+++ b/sys/dev/fdt/amlpciephy.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlpciephy.c,v 1.4 2020/12/27 20:37:58 kettenis Exp $	*/
+/*	$OpenBSD: amlpciephy.c,v 1.5 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -62,7 +62,7 @@ struct amlpciephy_softc {
 int amlpciephy_match(struct device *, void *, void *);
 void amlpciephy_attach(struct device *, struct device *, void *);
 
-struct cfattach	amlpciephy_ca = {
+const struct cfattach	amlpciephy_ca = {
 	sizeof (struct amlpciephy_softc), amlpciephy_match, amlpciephy_attach
 };
 
diff --git a/sys/dev/fdt/amlpinctrl.c b/sys/dev/fdt/amlpinctrl.c
index 162ba9165a3..d03c0146d6d 100644
--- a/sys/dev/fdt/amlpinctrl.c
+++ b/sys/dev/fdt/amlpinctrl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlpinctrl.c,v 1.10 2021/05/21 15:37:54 kettenis Exp $	*/
+/*	$OpenBSD: amlpinctrl.c,v 1.11 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -356,7 +356,7 @@ struct amlpinctrl_softc {
 int	amlpinctrl_match(struct device *, void *, void *);
 void	amlpinctrl_attach(struct device *, struct device *, void *);
 
-struct cfattach amlpinctrl_ca = {
+const struct cfattach amlpinctrl_ca = {
 	sizeof(struct amlpinctrl_softc), amlpinctrl_match, amlpinctrl_attach
 };
 
diff --git a/sys/dev/fdt/amlpwm.c b/sys/dev/fdt/amlpwm.c
index 63c46d138b2..91c28b2dc72 100644
--- a/sys/dev/fdt/amlpwm.c
+++ b/sys/dev/fdt/amlpwm.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlpwm.c,v 1.2 2020/12/29 16:04:27 kettenis Exp $	*/
+/*	$OpenBSD: amlpwm.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -69,7 +69,7 @@ struct amlpwm_softc {
 int amlpwm_match(struct device *, void *, void *);
 void amlpwm_attach(struct device *, struct device *, void *);
 
-struct cfattach	amlpwm_ca = {
+const struct cfattach	amlpwm_ca = {
 	sizeof (struct amlpwm_softc), amlpwm_match, amlpwm_attach
 };
 
diff --git a/sys/dev/fdt/amlreset.c b/sys/dev/fdt/amlreset.c
index be0576e1676..c5562caa82f 100644
--- a/sys/dev/fdt/amlreset.c
+++ b/sys/dev/fdt/amlreset.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlreset.c,v 1.1 2019/08/26 09:42:31 kettenis Exp $	*/
+/*	$OpenBSD: amlreset.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -52,7 +52,7 @@ struct amlreset_softc {
 int amlreset_match(struct device *, void *, void *);
 void amlreset_attach(struct device *, struct device *, void *);
 
-struct cfattach	amlreset_ca = {
+const struct cfattach	amlreset_ca = {
 	sizeof (struct amlreset_softc), amlreset_match, amlreset_attach
 };
 
diff --git a/sys/dev/fdt/amlrng.c b/sys/dev/fdt/amlrng.c
index 52f1d2d1bb2..d78f96a6b10 100644
--- a/sys/dev/fdt/amlrng.c
+++ b/sys/dev/fdt/amlrng.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlrng.c,v 1.2 2020/05/29 04:42:24 deraadt Exp $	*/
+/*	$OpenBSD: amlrng.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -43,7 +43,7 @@ struct amlrng_softc {
 int	amlrng_match(struct device *, void *, void *);
 void	amlrng_attach(struct device *, struct device *, void *);
 
-struct cfattach	amlrng_ca = {
+const struct cfattach	amlrng_ca = {
 	sizeof (struct amlrng_softc), amlrng_match, amlrng_attach
 };
 
diff --git a/sys/dev/fdt/amlsm.c b/sys/dev/fdt/amlsm.c
index 7080978c4dc..29e54188544 100644
--- a/sys/dev/fdt/amlsm.c
+++ b/sys/dev/fdt/amlsm.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlsm.c,v 1.2 2020/05/29 04:42:25 deraadt Exp $	*/
+/*	$OpenBSD: amlsm.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -53,7 +53,7 @@ struct amlsm_softc {
 int	amlsm_match(struct device *, void *, void *);
 void	amlsm_attach(struct device *, struct device *, void *);
 
-struct cfattach	amlsm_ca = {
+const struct cfattach	amlsm_ca = {
 	sizeof (struct amlsm_softc), amlsm_match, amlsm_attach
 };
 
diff --git a/sys/dev/fdt/amltemp.c b/sys/dev/fdt/amltemp.c
index e0a019197ba..d996edf33bf 100644
--- a/sys/dev/fdt/amltemp.c
+++ b/sys/dev/fdt/amltemp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amltemp.c,v 1.1 2020/01/14 16:56:32 kettenis Exp $	*/
+/*	$OpenBSD: amltemp.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2020 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -71,7 +71,7 @@ struct amltemp_softc {
 int	amltemp_match(struct device *, void *, void *);
 void	amltemp_attach(struct device *, struct device *, void *);
 
-struct cfattach	amltemp_ca = {
+const struct cfattach	amltemp_ca = {
 	sizeof (struct amltemp_softc), amltemp_match, amltemp_attach
 };
 
diff --git a/sys/dev/fdt/amluart.c b/sys/dev/fdt/amluart.c
index 3474446f6c8..03abf60c351 100644
--- a/sys/dev/fdt/amluart.c
+++ b/sys/dev/fdt/amluart.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amluart.c,v 1.2 2021/08/31 12:24:15 jan Exp $	*/
+/*	$OpenBSD: amluart.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -95,7 +95,7 @@ struct cfdriver amluart_cd = {
 	NULL, "amluart", DV_TTY
 };
 
-struct cfattach amluart_ca = {
+const struct cfattach amluart_ca = {
 	sizeof(struct amluart_softc), amluart_match, amluart_attach
 };
 
diff --git a/sys/dev/fdt/amlusbphy.c b/sys/dev/fdt/amlusbphy.c
index fee5ce0d196..0451d0cb112 100644
--- a/sys/dev/fdt/amlusbphy.c
+++ b/sys/dev/fdt/amlusbphy.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: amlusbphy.c,v 1.1 2019/08/29 17:20:03 kettenis Exp $	*/
+/*	$OpenBSD: amlusbphy.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -100,7 +100,7 @@ struct amlusbphy_softc {
 int amlusbphy_match(struct device *, void *, void *);
 void amlusbphy_attach(struct device *, struct device *, void *);
 
-struct cfattach	amlusbphy_ca = {
+const struct cfattach	amlusbphy_ca = {
 	sizeof (struct amlusbphy_softc), amlusbphy_match, amlusbphy_attach
 };
 
diff --git a/sys/dev/fdt/axppmic.c b/sys/dev/fdt/axppmic.c
index f301c03e8c8..a24740f2a37 100644
--- a/sys/dev/fdt/axppmic.c
+++ b/sys/dev/fdt/axppmic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: axppmic.c,v 1.10 2021/09/06 19:55:27 patrick Exp $	*/
+/*	$OpenBSD: axppmic.c,v 1.11 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -346,7 +346,7 @@ void	axppmic_attach_common(struct axppmic_softc *, const char *, int);
 int	axppmic_i2c_match(struct device *, void *, void *);
 void	axppmic_i2c_attach(struct device *, struct device *, void *);
 
-struct cfattach axppmic_ca = {
+const struct cfattach axppmic_ca = {
 	sizeof(struct axppmic_softc), axppmic_i2c_match, axppmic_i2c_attach
 };
 
@@ -422,7 +422,7 @@ axppmic_i2c_write(struct axppmic_softc *sc, uint8_t reg, uint8_t value)
 int	axppmic_rsb_match(struct device *, void *, void *);
 void	axppmic_rsb_attach(struct device *, struct device *, void *);
 
-struct cfattach axppmic_rsb_ca = {
+const struct cfattach axppmic_rsb_ca = {
 	sizeof(struct axppmic_softc), axppmic_rsb_match, axppmic_rsb_attach
 };
 
diff --git a/sys/dev/fdt/bcm2835_aux.c b/sys/dev/fdt/bcm2835_aux.c
index 23f7e92e827..6bf5238928e 100644
--- a/sys/dev/fdt/bcm2835_aux.c
+++ b/sys/dev/fdt/bcm2835_aux.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bcm2835_aux.c,v 1.6 2020/07/17 08:07:34 patrick Exp $	*/
+/*	$OpenBSD: bcm2835_aux.c,v 1.7 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -48,7 +48,7 @@ struct bcmaux_softc {
 int	bcmaux_match(struct device *, void *, void *);
 void	bcmaux_attach(struct device *, struct device *, void *);
 
-struct cfattach bcmaux_ca = {
+const struct cfattach bcmaux_ca = {
 	sizeof(struct bcmaux_softc), bcmaux_match, bcmaux_attach
 };
 
diff --git a/sys/dev/fdt/bcm2835_dog.c b/sys/dev/fdt/bcm2835_dog.c
index 6645bad7d0f..572d36de189 100644
--- a/sys/dev/fdt/bcm2835_dog.c
+++ b/sys/dev/fdt/bcm2835_dog.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bcm2835_dog.c,v 1.2 2019/09/05 16:58:36 patrick Exp $	*/
+/*	$OpenBSD: bcm2835_dog.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2015 Patrick Wildt <patrick@blueri.se>
  *
@@ -64,7 +64,7 @@ int	 bcmdog_activate(struct device *, int);
 int	 bcmdog_wdog_cb(void *, int);
 void	 bcmdog_wdog_reset(void);
 
-struct cfattach	bcmdog_ca = {
+const struct cfattach	bcmdog_ca = {
 	sizeof (struct bcmdog_softc), bcmdog_match, bcmdog_attach, NULL,
 	bcmdog_activate
 };
diff --git a/sys/dev/fdt/bcm2835_rng.c b/sys/dev/fdt/bcm2835_rng.c
index 128e1bf37ca..9d9a57d90fd 100644
--- a/sys/dev/fdt/bcm2835_rng.c
+++ b/sys/dev/fdt/bcm2835_rng.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bcm2835_rng.c,v 1.3 2020/05/29 04:42:25 deraadt Exp $	*/
+/*	$OpenBSD: bcm2835_rng.c,v 1.4 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -49,7 +49,7 @@ struct bcmrng_softc {
 int	bcmrng_match(struct device *, void *, void *);
 void	bcmrng_attach(struct device *, struct device *, void *);
 
-struct cfattach	bcmrng_ca = {
+const struct cfattach	bcmrng_ca = {
 	sizeof (struct bcmrng_softc), bcmrng_match, bcmrng_attach
 };
 
diff --git a/sys/dev/fdt/bcm2835_temp.c b/sys/dev/fdt/bcm2835_temp.c
index c5aab990656..bd2e2d89775 100644
--- a/sys/dev/fdt/bcm2835_temp.c
+++ b/sys/dev/fdt/bcm2835_temp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bcm2835_temp.c,v 1.1 2018/02/24 11:06:59 kettenis Exp $	*/
+/*	$OpenBSD: bcm2835_temp.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -52,7 +52,7 @@ struct bcmtemp_softc {
 int	bcmtemp_match(struct device *, void *, void *);
 void	bcmtemp_attach(struct device *, struct device *, void *);
 
-struct cfattach	bcmtemp_ca = {
+const struct cfattach	bcmtemp_ca = {
 	sizeof (struct bcmtemp_softc), bcmtemp_match, bcmtemp_attach
 };
 
diff --git a/sys/dev/fdt/ccp_fdt.c b/sys/dev/fdt/ccp_fdt.c
index 3174b5252e3..7d5465d08e1 100644
--- a/sys/dev/fdt/ccp_fdt.c
+++ b/sys/dev/fdt/ccp_fdt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ccp_fdt.c,v 1.1 2018/04/20 04:37:21 dlg Exp $	*/
+/*	$OpenBSD: ccp_fdt.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 David Gwynne <dlg@openbsd.org>
  *
@@ -33,7 +33,7 @@
 static int	ccp_fdt_match(struct device *, void *, void *);
 static void	ccp_fdt_attach(struct device *, struct device *, void *);
 
-struct cfattach ccp_fdt_ca = {
+const struct cfattach ccp_fdt_ca = {
 	sizeof(struct ccp_softc),
 	ccp_fdt_match,
 	ccp_fdt_attach
diff --git a/sys/dev/fdt/com_fdt.c b/sys/dev/fdt/com_fdt.c
index c8192b2c560..5ee3b6d3c0c 100644
--- a/sys/dev/fdt/com_fdt.c
+++ b/sys/dev/fdt/com_fdt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: com_fdt.c,v 1.5 2021/04/24 10:33:09 kettenis Exp $ */
+/* $OpenBSD: com_fdt.c,v 1.6 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2016 Patrick Wildt <patrick@blueri.se>
  *
@@ -39,7 +39,7 @@ int	com_fdt_match(struct device *, void *, void *);
 void	com_fdt_attach(struct device *, struct device *, void *);
 int	com_fdt_intr_designware(void *);
 
-struct cfattach com_fdt_ca = {
+const struct cfattach com_fdt_ca = {
 	sizeof (struct com_softc), com_fdt_match, com_fdt_attach
 };
 
diff --git a/sys/dev/fdt/dwdog.c b/sys/dev/fdt/dwdog.c
index 4b54027054c..61fb2c8bad0 100644
--- a/sys/dev/fdt/dwdog.c
+++ b/sys/dev/fdt/dwdog.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwdog.c,v 1.2 2019/08/29 11:51:48 kettenis Exp $	*/
+/*	$OpenBSD: dwdog.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -56,7 +56,7 @@ struct dwdog_softc {
 int	dwdog_match(struct device *, void *, void *);
 void	dwdog_attach(struct device *, struct device *, void *);
 
-struct cfattach dwdog_ca = {
+const struct cfattach dwdog_ca = {
 	sizeof(struct dwdog_softc), dwdog_match, dwdog_attach
 };
 
diff --git a/sys/dev/fdt/dwmmc.c b/sys/dev/fdt/dwmmc.c
index 0946cd8a553..2357bd1292a 100644
--- a/sys/dev/fdt/dwmmc.c
+++ b/sys/dev/fdt/dwmmc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwmmc.c,v 1.24 2021/05/05 09:17:19 jsg Exp $	*/
+/*	$OpenBSD: dwmmc.c,v 1.25 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis
  *
@@ -221,7 +221,7 @@ struct dwmmc_softc {
 int	dwmmc_match(struct device *, void *, void *);
 void	dwmmc_attach(struct device *, struct device *, void *);
 
-struct cfattach dwmmc_ca = {
+const struct cfattach dwmmc_ca = {
 	sizeof(struct dwmmc_softc), dwmmc_match, dwmmc_attach
 };
 
diff --git a/sys/dev/fdt/dwpcie.c b/sys/dev/fdt/dwpcie.c
index ea04cb521fb..70f618b3489 100644
--- a/sys/dev/fdt/dwpcie.c
+++ b/sys/dev/fdt/dwpcie.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: dwpcie.c,v 1.35 2021/06/25 18:55:26 kettenis Exp $	*/
+/*	$OpenBSD: dwpcie.c,v 1.36 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -236,7 +236,7 @@ struct dwpcie_intr_handle {
 int dwpcie_match(struct device *, void *, void *);
 void dwpcie_attach(struct device *, struct device *, void *);
 
-struct cfattach	dwpcie_ca = {
+const struct cfattach	dwpcie_ca = {
 	sizeof (struct dwpcie_softc), dwpcie_match, dwpcie_attach
 };
 
diff --git a/sys/dev/fdt/ehci_fdt.c b/sys/dev/fdt/ehci_fdt.c
index 807fac3d441..a1bd6522a7c 100644
--- a/sys/dev/fdt/ehci_fdt.c
+++ b/sys/dev/fdt/ehci_fdt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ehci_fdt.c,v 1.6 2019/08/11 11:16:05 kettenis Exp $ */
+/*	$OpenBSD: ehci_fdt.c,v 1.7 2021/10/24 17:52:26 mpi Exp $ */
 
 /*
  * Copyright (c) 2005 David Gwynne <dlg@openbsd.org>
@@ -50,7 +50,7 @@ int	ehci_fdt_match(struct device *, void *, void *);
 void	ehci_fdt_attach(struct device *, struct device *, void *);
 int	ehci_fdt_detach(struct device *, int);
 
-struct cfattach ehci_fdt_ca = {
+const struct cfattach ehci_fdt_ca = {
 	sizeof(struct ehci_fdt_softc), ehci_fdt_match, ehci_fdt_attach,
 	ehci_fdt_detach, ehci_activate
 };
diff --git a/sys/dev/fdt/exrtc.c b/sys/dev/fdt/exrtc.c
index 20a2039304a..6bdb4e54b56 100644
--- a/sys/dev/fdt/exrtc.c
+++ b/sys/dev/fdt/exrtc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: exrtc.c,v 1.3 2019/08/29 11:51:48 kettenis Exp $	*/
+/*	$OpenBSD: exrtc.c,v 1.4 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -55,7 +55,7 @@ struct exrtc_softc {
 int	exrtc_match(struct device *, void *, void *);
 void	exrtc_attach(struct device *, struct device *, void *);
 
-struct cfattach exrtc_ca = {
+const struct cfattach exrtc_ca = {
 	sizeof(struct exrtc_softc), exrtc_match, exrtc_attach
 };
 
diff --git a/sys/dev/fdt/fanpwr.c b/sys/dev/fdt/fanpwr.c
index 483ae576823..9098a4944bb 100644
--- a/sys/dev/fdt/fanpwr.c
+++ b/sys/dev/fdt/fanpwr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fanpwr.c,v 1.4 2020/11/12 10:47:07 patrick Exp $	*/
+/*	$OpenBSD: fanpwr.c,v 1.5 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -60,7 +60,7 @@ struct fanpwr_softc {
 int	fanpwr_match(struct device *, void *, void *);
 void	fanpwr_attach(struct device *, struct device *, void *);
 
-struct cfattach fanpwr_ca = {
+const struct cfattach fanpwr_ca = {
 	sizeof(struct fanpwr_softc), fanpwr_match, fanpwr_attach
 };
 
diff --git a/sys/dev/fdt/fusbtc.c b/sys/dev/fdt/fusbtc.c
index dd03b2345e3..24f9834baab 100644
--- a/sys/dev/fdt/fusbtc.c
+++ b/sys/dev/fdt/fusbtc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: fusbtc.c,v 1.1 2019/05/11 14:43:27 patrick Exp $ */
+/* $OpenBSD: fusbtc.c,v 1.2 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -234,7 +234,7 @@ void	 fusbtc_clr_reg(struct fusbtc_softc *, uint8_t, uint8_t);
 void	 fusbtc_write_reg(struct fusbtc_softc *, uint8_t, uint8_t);
 uint8_t	 fusbtc_read_reg(struct fusbtc_softc *, uint8_t);
 
-struct cfattach fusbtc_ca = {
+const struct cfattach fusbtc_ca = {
 	sizeof(struct fusbtc_softc),
 	fusbtc_match,
 	fusbtc_attach,
diff --git a/sys/dev/fdt/hiclock.c b/sys/dev/fdt/hiclock.c
index caa4e16c9db..509b12e45db 100644
--- a/sys/dev/fdt/hiclock.c
+++ b/sys/dev/fdt/hiclock.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: hiclock.c,v 1.2 2019/04/22 12:43:13 kettenis Exp $	*/
+/*	$OpenBSD: hiclock.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018, 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -52,7 +52,7 @@ struct hiclock_softc {
 int hiclock_match(struct device *, void *, void *);
 void hiclock_attach(struct device *, struct device *, void *);
 
-struct cfattach	hiclock_ca = {
+const struct cfattach	hiclock_ca = {
 	sizeof (struct hiclock_softc), hiclock_match, hiclock_attach
 };
 
diff --git a/sys/dev/fdt/hidwusb.c b/sys/dev/fdt/hidwusb.c
index 71f7a261c6b..002a69d029a 100644
--- a/sys/dev/fdt/hidwusb.c
+++ b/sys/dev/fdt/hidwusb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: hidwusb.c,v 1.2 2019/08/29 11:51:48 kettenis Exp $	*/
+/*	$OpenBSD: hidwusb.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017, 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -43,7 +43,7 @@ struct hidwusb_softc {
 int	hidwusb_match(struct device *, void *, void *);
 void	hidwusb_attach(struct device *, struct device *, void *);
 
-struct cfattach hidwusb_ca = {
+const struct cfattach hidwusb_ca = {
 	sizeof(struct hidwusb_softc), hidwusb_match, hidwusb_attach
 };
 
diff --git a/sys/dev/fdt/hireset.c b/sys/dev/fdt/hireset.c
index 1be7086415c..7f72bebca0a 100644
--- a/sys/dev/fdt/hireset.c
+++ b/sys/dev/fdt/hireset.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: hireset.c,v 1.1 2018/08/27 14:12:59 kettenis Exp $	*/
+/*	$OpenBSD: hireset.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -38,7 +38,7 @@ struct hireset_softc {
 int hireset_match(struct device *, void *, void *);
 void hireset_attach(struct device *, struct device *, void *);
 
-struct cfattach	hireset_ca = {
+const struct cfattach	hireset_ca = {
 	sizeof (struct hireset_softc), hireset_match, hireset_attach
 };
 
diff --git a/sys/dev/fdt/hitemp.c b/sys/dev/fdt/hitemp.c
index ec67031463d..83790e66055 100644
--- a/sys/dev/fdt/hitemp.c
+++ b/sys/dev/fdt/hitemp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: hitemp.c,v 1.1 2018/08/27 21:09:47 kettenis Exp $	*/
+/*	$OpenBSD: hitemp.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -54,7 +54,7 @@ struct hitemp_softc {
 int	hitemp_match(struct device *, void *, void *);
 void	hitemp_attach(struct device *, struct device *, void *);
 
-struct cfattach	hitemp_ca = {
+const struct cfattach	hitemp_ca = {
 	sizeof (struct hitemp_softc), hitemp_match, hitemp_attach
 };
 
diff --git a/sys/dev/fdt/if_dwge.c b/sys/dev/fdt/if_dwge.c
index 70dc8a9cabf..3f2d24a0e6d 100644
--- a/sys/dev/fdt/if_dwge.c
+++ b/sys/dev/fdt/if_dwge.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_dwge.c,v 1.11 2021/10/22 14:28:54 kettenis Exp $	*/
+/*	$OpenBSD: if_dwge.c,v 1.12 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2008, 2019 Mark Kettenis <kettenis@openbsd.org>
  * Copyright (c) 2017 Patrick Wildt <patrick@blueri.se>
@@ -275,7 +275,7 @@ void	dwge_attach(struct device *, struct device *, void *);
 void	dwge_setup_allwinner(struct dwge_softc *);
 void	dwge_setup_rockchip(struct dwge_softc *);
 
-struct cfattach dwge_ca = {
+const struct cfattach dwge_ca = {
 	sizeof(struct dwge_softc), dwge_match, dwge_attach
 };
 
diff --git a/sys/dev/fdt/if_dwxe.c b/sys/dev/fdt/if_dwxe.c
index c692826cba6..b1f881f0d02 100644
--- a/sys/dev/fdt/if_dwxe.c
+++ b/sys/dev/fdt/if_dwxe.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_dwxe.c,v 1.18 2020/12/12 11:48:52 jan Exp $	*/
+/*	$OpenBSD: if_dwxe.c,v 1.19 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2008 Mark Kettenis
  * Copyright (c) 2017 Patrick Wildt <patrick@blueri.se>
@@ -310,7 +310,7 @@ void	dwxe_attach(struct device *, struct device *, void *);
 void	dwxe_phy_setup_emac(struct dwxe_softc *);
 void	dwxe_phy_setup_gmac(struct dwxe_softc *);
 
-struct cfattach dwxe_ca = {
+const struct cfattach dwxe_ca = {
 	sizeof(struct dwxe_softc), dwxe_match, dwxe_attach
 };
 
diff --git a/sys/dev/fdt/if_fec.c b/sys/dev/fdt/if_fec.c
index 100416f3ac1..61d6e024739 100644
--- a/sys/dev/fdt/if_fec.c
+++ b/sys/dev/fdt/if_fec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_fec.c,v 1.11 2020/12/12 11:48:52 jan Exp $ */
+/* $OpenBSD: if_fec.c,v 1.12 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2012-2013,2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -269,7 +269,7 @@ void fec_dmamem_free(struct fec_softc *, struct fec_dmamem *);
 struct mbuf *fec_alloc_mbuf(struct fec_softc *, bus_dmamap_t);
 void fec_fill_rx_ring(struct fec_softc *);
 
-struct cfattach fec_ca = {
+const struct cfattach fec_ca = {
 	sizeof (struct fec_softc), fec_match, fec_attach
 };
 
diff --git a/sys/dev/fdt/if_mvneta.c b/sys/dev/fdt/if_mvneta.c
index a4c8c56b5ce..3a871883ab0 100644
--- a/sys/dev/fdt/if_mvneta.c
+++ b/sys/dev/fdt/if_mvneta.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: if_mvneta.c,v 1.16 2020/12/12 11:48:52 jan Exp $	*/
+/*	$OpenBSD: if_mvneta.c,v 1.17 2021/10/24 17:52:26 mpi Exp $	*/
 /*	$NetBSD: if_mvneta.c,v 1.41 2015/04/15 10:15:40 hsuenaga Exp $	*/
 /*
  * Copyright (c) 2007, 2008, 2013 KIYOHARA Takashi
@@ -216,7 +216,7 @@ struct cfdriver mvneta_cd = {
 	NULL, "mvneta", DV_IFNET
 };
 
-struct cfattach mvneta_ca = {
+const struct cfattach mvneta_ca = {
 	sizeof (struct mvneta_softc), mvneta_match, mvneta_attach,
 };
 
diff --git a/sys/dev/fdt/imxanatop.c b/sys/dev/fdt/imxanatop.c
index 30475b935f2..9936a52274a 100644
--- a/sys/dev/fdt/imxanatop.c
+++ b/sys/dev/fdt/imxanatop.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: imxanatop.c,v 1.5 2018/08/30 12:14:30 jsg Exp $ */
+/* $OpenBSD: imxanatop.c,v 1.6 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2016 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -125,7 +125,7 @@ struct imxanatop_regulator {
 int	imxanatop_match(struct device *, void *, void *);
 void	imxanatop_attach(struct device *, struct device *, void *);
 
-struct cfattach imxanatop_ca = {
+const struct cfattach imxanatop_ca = {
 	sizeof(struct imxanatop_softc), imxanatop_match, imxanatop_attach
 };
 
diff --git a/sys/dev/fdt/imxccm.c b/sys/dev/fdt/imxccm.c
index c57ce40bdb8..75eaf54f3fc 100644
--- a/sys/dev/fdt/imxccm.c
+++ b/sys/dev/fdt/imxccm.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: imxccm.c,v 1.26 2020/12/19 01:18:11 patrick Exp $ */
+/* $OpenBSD: imxccm.c,v 1.27 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2012-2013 Patrick Wildt <patrick@blueri.se>
  *
@@ -227,7 +227,7 @@ struct imxccm_softc {
 int	imxccm_match(struct device *, void *, void *);
 void	imxccm_attach(struct device *parent, struct device *self, void *args);
 
-struct cfattach	imxccm_ca = {
+const struct cfattach	imxccm_ca = {
 	sizeof (struct imxccm_softc), imxccm_match, imxccm_attach
 };
 
diff --git a/sys/dev/fdt/imxesdhc.c b/sys/dev/fdt/imxesdhc.c
index 8306ebcf0ad..de3ca238751 100644
--- a/sys/dev/fdt/imxesdhc.c
+++ b/sys/dev/fdt/imxesdhc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: imxesdhc.c,v 1.16 2020/04/28 17:22:53 patrick Exp $	*/
+/*	$OpenBSD: imxesdhc.c,v 1.17 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2009 Dale Rahn <drahn@openbsd.org>
  * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
@@ -275,7 +275,7 @@ struct cfdriver imxesdhc_cd = {
 	NULL, "imxesdhc", DV_DULL
 };
 
-struct cfattach imxesdhc_ca = {
+const struct cfattach imxesdhc_ca = {
 	sizeof(struct imxesdhc_softc), imxesdhc_match, imxesdhc_attach
 };
 
diff --git a/sys/dev/fdt/imxgpc.c b/sys/dev/fdt/imxgpc.c
index ce9e3974d61..36eba9896a7 100644
--- a/sys/dev/fdt/imxgpc.c
+++ b/sys/dev/fdt/imxgpc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: imxgpc.c,v 1.9 2020/12/18 16:26:21 patrick Exp $	*/
+/*	$OpenBSD: imxgpc.c,v 1.10 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2016 Mark Kettenis
  *
@@ -43,7 +43,7 @@ int	imxgpc_match(struct device *, void *, void *);
 void	imxgpc_attach(struct device *, struct device *, void *);
 void	imxgpc_enable(void *, uint32_t *, int);
 
-struct cfattach imxgpc_ca = {
+const struct cfattach imxgpc_ca = {
 	sizeof(struct imxgpc_softc), imxgpc_match, imxgpc_attach
 };
 
diff --git a/sys/dev/fdt/imxgpio.c b/sys/dev/fdt/imxgpio.c
index 4da86aad524..86ba12bd2d8 100644
--- a/sys/dev/fdt/imxgpio.c
+++ b/sys/dev/fdt/imxgpio.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: imxgpio.c,v 1.5 2020/07/17 08:07:34 patrick Exp $ */
+/* $OpenBSD: imxgpio.c,v 1.6 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2007,2009 Dale Rahn <drahn@openbsd.org>
  * Copyright (c) 2012-2013 Patrick Wildt <patrick@blueri.se>
@@ -87,7 +87,7 @@ void imxgpio_intr_disable(void *);
 void imxgpio_intr_barrier(void *);
 
 
-struct cfattach	imxgpio_ca = {
+const struct cfattach	imxgpio_ca = {
 	sizeof (struct imxgpio_softc), imxgpio_match, imxgpio_attach
 };
 
diff --git a/sys/dev/fdt/imxiomuxc.c b/sys/dev/fdt/imxiomuxc.c
index 1f522c434a3..e4c19fe34f6 100644
--- a/sys/dev/fdt/imxiomuxc.c
+++ b/sys/dev/fdt/imxiomuxc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: imxiomuxc.c,v 1.6 2021/07/08 13:20:26 patrick Exp $ */
+/* $OpenBSD: imxiomuxc.c,v 1.7 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2013 Patrick Wildt <patrick@blueri.se>
  * Copyright (c) 2016 Mark Kettenis <kettenis@openbsd.org>
@@ -49,7 +49,7 @@ struct imxiomuxc_softc *imxiomuxc_sc;
 int	imxiomuxc_match(struct device *, void *, void *);
 void	imxiomuxc_attach(struct device *, struct device *, void *);
 
-struct cfattach imxiomuxc_ca = {
+const struct cfattach imxiomuxc_ca = {
 	sizeof (struct imxiomuxc_softc), imxiomuxc_match, imxiomuxc_attach
 };
 
diff --git a/sys/dev/fdt/imxrtc.c b/sys/dev/fdt/imxrtc.c
index 1ae4f240810..c68e35bb287 100644
--- a/sys/dev/fdt/imxrtc.c
+++ b/sys/dev/fdt/imxrtc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: imxrtc.c,v 1.1 2018/06/16 14:11:35 kettenis Exp $	*/
+/*	$OpenBSD: imxrtc.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -53,7 +53,7 @@ struct imxrtc_softc {
 int imxrtc_match(struct device *, void *, void *);
 void imxrtc_attach(struct device *, struct device *, void *);
 
-struct cfattach	imxrtc_ca = {
+const struct cfattach	imxrtc_ca = {
 	sizeof (struct imxrtc_softc), imxrtc_match, imxrtc_attach
 };
 
diff --git a/sys/dev/fdt/imxspi.c b/sys/dev/fdt/imxspi.c
index 05015f878ef..425c3cba968 100644
--- a/sys/dev/fdt/imxspi.c
+++ b/sys/dev/fdt/imxspi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: imxspi.c,v 1.1 2018/07/26 10:59:07 patrick Exp $ */
+/* $OpenBSD: imxspi.c,v 1.2 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2018 Patrick Wildt <patrick@blueri.se>
  *
@@ -127,7 +127,7 @@ void	 imxspi_scan(struct imxspi_softc *);
 #define HCLR4(sc, reg, bits)						\
 	HWRITE4((sc), (reg), HREAD4((sc), (reg)) & ~(bits))
 
-struct cfattach imxspi_ca = {
+const struct cfattach imxspi_ca = {
 	sizeof(struct imxspi_softc), imxspi_match, imxspi_attach,
 	imxspi_detach
 };
diff --git a/sys/dev/fdt/imxsrc.c b/sys/dev/fdt/imxsrc.c
index d71fc8aecff..3bee1a00c6f 100644
--- a/sys/dev/fdt/imxsrc.c
+++ b/sys/dev/fdt/imxsrc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: imxsrc.c,v 1.4 2019/10/27 19:19:10 kettenis Exp $ */
+/* $OpenBSD: imxsrc.c,v 1.5 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -111,7 +111,7 @@ int imxsrc_match(struct device *, void *, void *);
 void imxsrc_attach(struct device *, struct device *, void *);
 void imxsrc_reset(void *, uint32_t *, int);
 
-struct cfattach	imxsrc_ca = {
+const struct cfattach	imxsrc_ca = {
 	sizeof (struct imxsrc_softc), imxsrc_match, imxsrc_attach
 };
 
diff --git a/sys/dev/fdt/imxtmu.c b/sys/dev/fdt/imxtmu.c
index b796b0fad86..0b98620710c 100644
--- a/sys/dev/fdt/imxtmu.c
+++ b/sys/dev/fdt/imxtmu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: imxtmu.c,v 1.2 2020/03/20 09:13:03 patrick Exp $	*/
+/*	$OpenBSD: imxtmu.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Patrick Wildt <patrick@blueri.se>
  *
@@ -77,7 +77,7 @@ void	imxtmu_attach(struct device *, struct device *, void *);
 void	imxtmu_mm_refresh_sensors(void *);
 void	imxtmu_mq_refresh_sensors(void *);
 
-struct cfattach imxtmu_ca = {
+const struct cfattach imxtmu_ca = {
 	sizeof(struct imxtmu_softc), imxtmu_match, imxtmu_attach
 };
 
diff --git a/sys/dev/fdt/imxuart.c b/sys/dev/fdt/imxuart.c
index 20b49205ca7..03031aaa769 100644
--- a/sys/dev/fdt/imxuart.c
+++ b/sys/dev/fdt/imxuart.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: imxuart.c,v 1.11 2021/09/01 09:29:31 jan Exp $ */
+/* $OpenBSD: imxuart.c,v 1.12 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2005 Dale Rahn <drahn@motorola.com>
  *
@@ -114,7 +114,7 @@ struct cfdriver imxuart_cd = {
 	NULL, "imxuart", DV_TTY
 };
 
-struct cfattach imxuart_ca = {
+const struct cfattach imxuart_ca = {
 	sizeof(struct imxuart_softc), imxuart_match, imxuart_attach
 };
 
diff --git a/sys/dev/fdt/moxtet.c b/sys/dev/fdt/moxtet.c
index 003d0c52d29..eafaf396fe8 100644
--- a/sys/dev/fdt/moxtet.c
+++ b/sys/dev/fdt/moxtet.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: moxtet.c,v 1.1 2019/10/07 19:35:07 patrick Exp $ */
+/* $OpenBSD: moxtet.c,v 1.2 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -56,7 +56,7 @@ int	 moxtet_detach(struct device *, int);
 int	 moxtet_read(struct moxtet_softc *, char *, size_t);
 int	 moxtet_write(struct moxtet_softc *, char *, size_t);
 
-struct cfattach moxtet_ca = {
+const struct cfattach moxtet_ca = {
 	sizeof(struct moxtet_softc), moxtet_match, moxtet_attach, moxtet_detach
 };
 
diff --git a/sys/dev/fdt/mvclock.c b/sys/dev/fdt/mvclock.c
index caf657fbcde..f5d5e1e077f 100644
--- a/sys/dev/fdt/mvclock.c
+++ b/sys/dev/fdt/mvclock.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mvclock.c,v 1.8 2020/11/06 13:29:45 patrick Exp $	*/
+/*	$OpenBSD: mvclock.c,v 1.9 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -48,7 +48,7 @@ struct mvclock_softc {
 int mvclock_match(struct device *, void *, void *);
 void mvclock_attach(struct device *, struct device *, void *);
 
-struct cfattach	mvclock_ca = {
+const struct cfattach	mvclock_ca = {
 	sizeof (struct mvclock_softc), mvclock_match, mvclock_attach
 };
 
diff --git a/sys/dev/fdt/mvdog.c b/sys/dev/fdt/mvdog.c
index cef0bfe1159..f0fba406eb2 100644
--- a/sys/dev/fdt/mvdog.c
+++ b/sys/dev/fdt/mvdog.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mvdog.c,v 1.1 2019/09/05 18:38:30 patrick Exp $ */
+/* $OpenBSD: mvdog.c,v 1.2 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -52,7 +52,7 @@ struct mvdog_softc {
 int	 mvdog_match(struct device *, void *, void *);
 void	 mvdog_attach(struct device *, struct device *, void *);
 
-struct cfattach mvdog_ca = {
+const struct cfattach mvdog_ca = {
 	sizeof (struct mvdog_softc), mvdog_match, mvdog_attach
 };
 
diff --git a/sys/dev/fdt/mvgicp.c b/sys/dev/fdt/mvgicp.c
index b2098012beb..a836e9fede9 100644
--- a/sys/dev/fdt/mvgicp.c
+++ b/sys/dev/fdt/mvgicp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mvgicp.c,v 1.4 2021/05/17 17:25:13 kettenis Exp $	*/
+/*	$OpenBSD: mvgicp.c,v 1.5 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -52,7 +52,7 @@ void *	mvgicp_intr_establish(void *, uint64_t *, uint64_t *,
 void	mvgicp_intr_disestablish(void *);
 void	mvgicp_intr_barrier(void *);
 
-struct cfattach mvgicp_ca = {
+const struct cfattach mvgicp_ca = {
 	sizeof(struct mvgicp_softc), mvgicp_match, mvgicp_attach
 };
 
diff --git a/sys/dev/fdt/mvgpio.c b/sys/dev/fdt/mvgpio.c
index aae70e55597..7f463e35c87 100644
--- a/sys/dev/fdt/mvgpio.c
+++ b/sys/dev/fdt/mvgpio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mvgpio.c,v 1.2 2021/05/07 01:54:17 jsg Exp $	*/
+/*	$OpenBSD: mvgpio.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -54,7 +54,7 @@ struct mvgpio_softc {
 int mvgpio_match(struct device *, void *, void *);
 void mvgpio_attach(struct device *, struct device *, void *);
 
-struct cfattach	mvgpio_ca = {
+const struct cfattach	mvgpio_ca = {
 	sizeof (struct mvgpio_softc), mvgpio_match, mvgpio_attach
 };
 
diff --git a/sys/dev/fdt/mvicu.c b/sys/dev/fdt/mvicu.c
index 49a3b0e5e8f..30d064a15c9 100644
--- a/sys/dev/fdt/mvicu.c
+++ b/sys/dev/fdt/mvicu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mvicu.c,v 1.7 2021/05/17 17:25:13 kettenis Exp $	*/
+/*	$OpenBSD: mvicu.c,v 1.8 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -84,7 +84,7 @@ struct mvicu_softc {
 int mvicu_match(struct device *, void *, void *);
 void mvicu_attach(struct device *, struct device *, void *);
 
-struct cfattach	mvicu_ca = {
+const struct cfattach	mvicu_ca = {
 	sizeof (struct mvicu_softc), mvicu_match, mvicu_attach
 };
 
diff --git a/sys/dev/fdt/mviic.c b/sys/dev/fdt/mviic.c
index 0581f697887..c526d3b8542 100644
--- a/sys/dev/fdt/mviic.c
+++ b/sys/dev/fdt/mviic.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mviic.c,v 1.3 2021/03/11 09:15:25 patrick Exp $ */
+/* $OpenBSD: mviic.c,v 1.4 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -90,7 +90,7 @@ void mviic_bus_scan(struct device *, struct i2cbus_attach_args *, void *);
 #define HCLR4(sc, reg, bits)						\
 	HWRITE4((sc), (reg), HREAD4((sc), (reg)) & ~(bits))
 
-struct cfattach mviic_ca = {
+const struct cfattach mviic_ca = {
 	sizeof(struct mviic_softc), mviic_match, mviic_attach, mviic_detach
 };
 
diff --git a/sys/dev/fdt/mvmdio.c b/sys/dev/fdt/mvmdio.c
index 4057dfbd6c0..914fc03ce82 100644
--- a/sys/dev/fdt/mvmdio.c
+++ b/sys/dev/fdt/mvmdio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mvmdio.c,v 1.3 2020/11/28 20:06:05 kettenis Exp $	*/
+/*	$OpenBSD: mvmdio.c,v 1.4 2021/10/24 17:52:26 mpi Exp $	*/
 /*	$NetBSD: if_mvneta.c,v 1.41 2015/04/15 10:15:40 hsuenaga Exp $	*/
 /*
  * Copyright (c) 2007, 2008, 2013 KIYOHARA Takashi
@@ -77,7 +77,7 @@ struct cfdriver mvmdio_cd = {
 	NULL, "mvmdio", DV_DULL
 };
 
-struct cfattach mvmdio_ca = {
+const struct cfattach mvmdio_ca = {
 	sizeof (struct mvmdio_softc), mvmdio_match, mvmdio_attach,
 };
 
diff --git a/sys/dev/fdt/mvpinctrl.c b/sys/dev/fdt/mvpinctrl.c
index fe4b722a818..f0105c53aac 100644
--- a/sys/dev/fdt/mvpinctrl.c
+++ b/sys/dev/fdt/mvpinctrl.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mvpinctrl.c,v 1.8 2021/05/07 01:54:17 jsg Exp $ */
+/* $OpenBSD: mvpinctrl.c,v 1.9 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2013,2016 Patrick Wildt <patrick@blueri.se>
  * Copyright (c) 2016 Mark Kettenis <kettenis@openbsd.org>
@@ -74,7 +74,7 @@ void	mvpinctrl_set_pin(void *, uint32_t *, int);
 
 uint32_t a3700_xtal_get_frequency(void *, uint32_t *);
 
-struct cfattach mvpinctrl_ca = {
+const struct cfattach mvpinctrl_ca = {
 	sizeof (struct mvpinctrl_softc), mvpinctrl_match, mvpinctrl_attach
 };
 
diff --git a/sys/dev/fdt/mvrng.c b/sys/dev/fdt/mvrng.c
index 8f2dcef2e60..0490e05bee6 100644
--- a/sys/dev/fdt/mvrng.c
+++ b/sys/dev/fdt/mvrng.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mvrng.c,v 1.3 2020/05/29 04:42:25 deraadt Exp $	*/
+/*	$OpenBSD: mvrng.c,v 1.4 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -65,7 +65,7 @@ struct mvrng_softc {
 int	mvrng_match(struct device *, void *, void *);
 void	mvrng_attach(struct device *, struct device *, void *);
 
-struct cfattach	mvrng_ca = {
+const struct cfattach	mvrng_ca = {
 	sizeof (struct mvrng_softc), mvrng_match, mvrng_attach
 };
 
diff --git a/sys/dev/fdt/mvrtc.c b/sys/dev/fdt/mvrtc.c
index b5450720ac3..535744c8992 100644
--- a/sys/dev/fdt/mvrtc.c
+++ b/sys/dev/fdt/mvrtc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mvrtc.c,v 1.1 2018/03/29 18:20:52 kettenis Exp $	*/
+/*	$OpenBSD: mvrtc.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -60,7 +60,7 @@ struct mvrtc_softc {
 int mvrtc_match(struct device *, void *, void *);
 void mvrtc_attach(struct device *, struct device *, void *);
 
-struct cfattach	mvrtc_ca = {
+const struct cfattach	mvrtc_ca = {
 	sizeof (struct mvrtc_softc), mvrtc_match, mvrtc_attach
 };
 
diff --git a/sys/dev/fdt/mvspi.c b/sys/dev/fdt/mvspi.c
index bbd32aa4bbd..4731e349f3e 100644
--- a/sys/dev/fdt/mvspi.c
+++ b/sys/dev/fdt/mvspi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mvspi.c,v 1.1 2019/10/07 19:30:12 patrick Exp $ */
+/* $OpenBSD: mvspi.c,v 1.2 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -86,7 +86,7 @@ void	 mvspi_scan(struct mvspi_softc *);
 #define HCLR4(sc, reg, bits)						\
 	HWRITE4((sc), (reg), HREAD4((sc), (reg)) & ~(bits))
 
-struct cfattach mvspi_ca = {
+const struct cfattach mvspi_ca = {
 	sizeof(struct mvspi_softc), mvspi_match, mvspi_attach, mvspi_detach
 };
 
diff --git a/sys/dev/fdt/mvtemp.c b/sys/dev/fdt/mvtemp.c
index d6112f71d03..07cd50ac982 100644
--- a/sys/dev/fdt/mvtemp.c
+++ b/sys/dev/fdt/mvtemp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mvtemp.c,v 1.1 2018/03/31 16:35:15 kettenis Exp $	*/
+/*	$OpenBSD: mvtemp.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -50,7 +50,7 @@ struct mvtemp_softc {
 int	mvtemp_match(struct device *, void *, void *);
 void	mvtemp_attach(struct device *, struct device *, void *);
 
-struct cfattach	mvtemp_ca = {
+const struct cfattach	mvtemp_ca = {
 	sizeof (struct mvtemp_softc), mvtemp_match, mvtemp_attach
 };
 
diff --git a/sys/dev/fdt/mvuart.c b/sys/dev/fdt/mvuart.c
index 52cc8b98b74..0da05066dc5 100644
--- a/sys/dev/fdt/mvuart.c
+++ b/sys/dev/fdt/mvuart.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mvuart.c,v 1.3 2021/08/31 12:24:15 jan Exp $ */
+/* $OpenBSD: mvuart.c,v 1.4 2021/10/24 17:52:26 mpi Exp $ */
 /*
  * Copyright (c) 2005 Dale Rahn <drahn@motorola.com>
  * Copyright (c) 2018 Patrick Wildt <patrick@blueri.se>
@@ -117,7 +117,7 @@ struct cfdriver mvuart_cd = {
 	NULL, "mvuart", DV_TTY
 };
 
-struct cfattach mvuart_ca = {
+const struct cfattach mvuart_ca = {
 	sizeof(struct mvuart_softc), mvuart_match, mvuart_attach
 };
 
diff --git a/sys/dev/fdt/ohci_fdt.c b/sys/dev/fdt/ohci_fdt.c
index 4f3c0ae683b..083b37b6f52 100644
--- a/sys/dev/fdt/ohci_fdt.c
+++ b/sys/dev/fdt/ohci_fdt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ohci_fdt.c,v 1.2 2019/01/07 03:41:06 dlg Exp $ */
+/*	$OpenBSD: ohci_fdt.c,v 1.3 2021/10/24 17:52:26 mpi Exp $ */
 
 /*
  * Copyright (c) 2005, 2019 David Gwynne <dlg@openbsd.org>
@@ -50,7 +50,7 @@ int	ohci_fdt_match(struct device *, void *, void *);
 void	ohci_fdt_attach(struct device *, struct device *, void *);
 int	ohci_fdt_detach(struct device *, int);
 
-struct cfattach ohci_fdt_ca = {
+const struct cfattach ohci_fdt_ca = {
 	sizeof(struct ohci_fdt_softc),
 	ohci_fdt_match,
 	ohci_fdt_attach,
diff --git a/sys/dev/fdt/pinctrl.c b/sys/dev/fdt/pinctrl.c
index 0675b13fb48..8ff4dbb1adf 100644
--- a/sys/dev/fdt/pinctrl.c
+++ b/sys/dev/fdt/pinctrl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pinctrl.c,v 1.4 2021/02/01 14:30:01 jsg Exp $	*/
+/*	$OpenBSD: pinctrl.c,v 1.5 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018, 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -51,7 +51,7 @@ struct pinctrl_softc {
 int	pinctrl_match(struct device *, void *, void *);
 void	pinctrl_attach(struct device *, struct device *, void *);
 
-struct cfattach	pinctrl_ca = {
+const struct cfattach	pinctrl_ca = {
 	sizeof (struct pinctrl_softc), pinctrl_match, pinctrl_attach
 };
 
diff --git a/sys/dev/fdt/plgpio.c b/sys/dev/fdt/plgpio.c
index b72198cd58e..f69a13846de 100644
--- a/sys/dev/fdt/plgpio.c
+++ b/sys/dev/fdt/plgpio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: plgpio.c,v 1.2 2021/05/07 01:54:17 jsg Exp $	*/
+/*	$OpenBSD: plgpio.c,v 1.3 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -51,7 +51,7 @@ struct plgpio_softc {
 int plgpio_match(struct device *, void *, void *);
 void plgpio_attach(struct device *, struct device *, void *);
 
-struct cfattach	plgpio_ca = {
+const struct cfattach	plgpio_ca = {
 	sizeof (struct plgpio_softc), plgpio_match, plgpio_attach
 };
 
diff --git a/sys/dev/fdt/plrtc.c b/sys/dev/fdt/plrtc.c
index 1a51440d078..5f5d785e397 100644
--- a/sys/dev/fdt/plrtc.c
+++ b/sys/dev/fdt/plrtc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: plrtc.c,v 1.1 2017/01/25 10:14:40 jsg Exp $	*/
+/*	$OpenBSD: plrtc.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 
 /*
  * Copyright (c) 2015 Jonathan Gray <jsg@openbsd.org>
@@ -53,7 +53,7 @@ int	plrtc_gettime(struct todr_chip_handle *, struct timeval *);
 int	plrtc_settime(struct todr_chip_handle *, struct timeval *);
 
 
-struct cfattach plrtc_ca = {
+const struct cfattach plrtc_ca = {
 	sizeof(struct plrtc_softc), plrtc_match, plrtc_attach
 };
 
diff --git a/sys/dev/fdt/pluart_fdt.c b/sys/dev/fdt/pluart_fdt.c
index a9a03bd8ca7..7f17365f1d6 100644
--- a/sys/dev/fdt/pluart_fdt.c
+++ b/sys/dev/fdt/pluart_fdt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pluart_fdt.c,v 1.3 2019/04/22 10:18:20 kettenis Exp $	*/
+/*	$OpenBSD: pluart_fdt.c,v 1.4 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2014 Patrick Wildt <patrick@blueri.se>
  * Copyright (c) 2005 Dale Rahn <drahn@dalerahn.com>
@@ -32,7 +32,7 @@
 int	pluart_fdt_match(struct device *, void *, void *);
 void	pluart_fdt_attach(struct device *, struct device *, void *);
 
-struct cfattach pluart_fdt_ca = {
+const struct cfattach pluart_fdt_ca = {
 	sizeof(struct pluart_softc), pluart_fdt_match, pluart_fdt_attach
 };
 
diff --git a/sys/dev/fdt/psci.c b/sys/dev/fdt/psci.c
index 26c328f47eb..df9b0df1655 100644
--- a/sys/dev/fdt/psci.c
+++ b/sys/dev/fdt/psci.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: psci.c,v 1.9 2021/10/10 16:20:37 kettenis Exp $	*/
+/*	$OpenBSD: psci.c,v 1.10 2021/10/24 17:52:26 mpi Exp $	*/
 
 /*
  * Copyright (c) 2016 Jonathan Gray <jsg@openbsd.org>
@@ -73,7 +73,7 @@ int32_t smccc_arch_features(uint32_t);
 uint32_t psci_version(void);
 int32_t psci_features(uint32_t);
 
-struct cfattach psci_ca = {
+const struct cfattach psci_ca = {
 	sizeof(struct psci_softc), psci_match, psci_attach
 };
 
diff --git a/sys/dev/fdt/pwmbl.c b/sys/dev/fdt/pwmbl.c
index c5fed29d894..51e279fa703 100644
--- a/sys/dev/fdt/pwmbl.c
+++ b/sys/dev/fdt/pwmbl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pwmbl.c,v 1.5 2020/06/10 23:36:26 patrick Exp $	*/
+/*	$OpenBSD: pwmbl.c,v 1.6 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Krystian Lewandowski
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
@@ -46,7 +46,7 @@ struct pwmbl_softc *sc_pwmbl;
 int	pwmbl_match(struct device *, void *, void *);
 void	pwmbl_attach(struct device *, struct device *, void *);
 
-struct cfattach pwmbl_ca = {
+const struct cfattach pwmbl_ca = {
 	sizeof(struct pwmbl_softc), pwmbl_match, pwmbl_attach
 };
 
diff --git a/sys/dev/fdt/pwmfan.c b/sys/dev/fdt/pwmfan.c
index 261d6752bb3..fde0290727e 100644
--- a/sys/dev/fdt/pwmfan.c
+++ b/sys/dev/fdt/pwmfan.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pwmfan.c,v 1.1 2019/12/03 09:12:45 patrick Exp $	*/
+/*	$OpenBSD: pwmfan.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Krystian Lewandowski
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
@@ -44,7 +44,7 @@ struct pwmfan_softc {
 int	pwmfan_match(struct device *, void *, void *);
 void	pwmfan_attach(struct device *, struct device *, void *);
 
-struct cfattach pwmfan_ca = {
+const struct cfattach pwmfan_ca = {
 	sizeof(struct pwmfan_softc), pwmfan_match, pwmfan_attach
 };
 
diff --git a/sys/dev/fdt/pwmreg.c b/sys/dev/fdt/pwmreg.c
index 2b63284ed34..b88f36120cc 100644
--- a/sys/dev/fdt/pwmreg.c
+++ b/sys/dev/fdt/pwmreg.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pwmreg.c,v 1.1 2019/09/30 20:44:13 kettenis Exp $	*/
+/*	$OpenBSD: pwmreg.c,v 1.2 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -41,7 +41,7 @@ struct pwmreg_softc {
 int pwmreg_match(struct device *, void *, void *);
 void pwmreg_attach(struct device *, struct device *, void *);
 
-struct cfattach	pwmreg_ca = {
+const struct cfattach	pwmreg_ca = {
 	sizeof (struct pwmreg_softc), pwmreg_match, pwmreg_attach
 };
 
diff --git a/sys/dev/fdt/rkclock.c b/sys/dev/fdt/rkclock.c
index 317f7680e46..2066722c355 100644
--- a/sys/dev/fdt/rkclock.c
+++ b/sys/dev/fdt/rkclock.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkclock.c,v 1.58 2021/07/28 13:39:39 patrick Exp $	*/
+/*	$OpenBSD: rkclock.c,v 1.59 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017, 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -212,7 +212,7 @@ struct rkclock_softc {
 int rkclock_match(struct device *, void *, void *);
 void rkclock_attach(struct device *, struct device *, void *);
 
-struct cfattach	rkclock_ca = {
+const struct cfattach	rkclock_ca = {
 	sizeof (struct rkclock_softc), rkclock_match, rkclock_attach
 };
 
diff --git a/sys/dev/fdt/rkdwusb.c b/sys/dev/fdt/rkdwusb.c
index 7bf2947013d..7cb99c7d096 100644
--- a/sys/dev/fdt/rkdwusb.c
+++ b/sys/dev/fdt/rkdwusb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkdwusb.c,v 1.3 2019/08/29 11:51:48 kettenis Exp $	*/
+/*	$OpenBSD: rkdwusb.c,v 1.4 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -35,7 +35,7 @@ struct rkdwusb_softc {
 int	rkdwusb_match(struct device *, void *, void *);
 void	rkdwusb_attach(struct device *, struct device *, void *);
 
-struct cfattach rkdwusb_ca = {
+const struct cfattach rkdwusb_ca = {
 	sizeof(struct rkdwusb_softc), rkdwusb_match, rkdwusb_attach
 };
 
diff --git a/sys/dev/fdt/rkemmcphy.c b/sys/dev/fdt/rkemmcphy.c
index 229108c5af0..b62bd133fcc 100644
--- a/sys/dev/fdt/rkemmcphy.c
+++ b/sys/dev/fdt/rkemmcphy.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkemmcphy.c,v 1.3 2020/04/03 22:03:45 kettenis Exp $	*/
+/*	$OpenBSD: rkemmcphy.c,v 1.4 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -75,7 +75,7 @@ struct rkemmcphy_softc {
 int rkemmcphy_match(struct device *, void *, void *);
 void rkemmcphy_attach(struct device *, struct device *, void *);
 
-struct cfattach	rkemmcphy_ca = {
+const struct cfattach	rkemmcphy_ca = {
 	sizeof (struct rkemmcphy_softc), rkemmcphy_match, rkemmcphy_attach
 };
 
diff --git a/sys/dev/fdt/rkgpio.c b/sys/dev/fdt/rkgpio.c
index 4b31efd13e7..1fed8fe9078 100644
--- a/sys/dev/fdt/rkgpio.c
+++ b/sys/dev/fdt/rkgpio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkgpio.c,v 1.6 2020/07/17 08:07:34 patrick Exp $	*/
+/*	$OpenBSD: rkgpio.c,v 1.7 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
@@ -83,7 +83,7 @@ struct rkgpio_softc {
 int rkgpio_match(struct device *, void *, void *);
 void rkgpio_attach(struct device *, struct device *, void *);
 
-struct cfattach	rkgpio_ca = {
+const struct cfattach	rkgpio_ca = {
 	sizeof (struct rkgpio_softc), rkgpio_match, rkgpio_attach
 };
 
diff --git a/sys/dev/fdt/rkgrf.c b/sys/dev/fdt/rkgrf.c
index 48085f092de..b5ede2891f8 100644
--- a/sys/dev/fdt/rkgrf.c
+++ b/sys/dev/fdt/rkgrf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkgrf.c,v 1.4 2020/09/04 01:10:29 jmatthew Exp $	*/
+/*	$OpenBSD: rkgrf.c,v 1.5 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -42,7 +42,7 @@ struct rkgrf_softc {
 int rkgrf_match(struct device *, void *, void *);
 void rkgrf_attach(struct device *, struct device *, void *);
 
-struct cfattach	rkgrf_ca = {
+const struct cfattach	rkgrf_ca = {
 	sizeof (struct rkgrf_softc), rkgrf_match, rkgrf_attach
 };
 
diff --git a/sys/dev/fdt/rkiic.c b/sys/dev/fdt/rkiic.c
index ef4557090f5..ab07e951aea 100644
--- a/sys/dev/fdt/rkiic.c
+++ b/sys/dev/fdt/rkiic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkiic.c,v 1.6 2021/03/11 08:55:59 patrick Exp $	*/
+/*	$OpenBSD: rkiic.c,v 1.7 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -88,7 +88,7 @@ struct rkiic_softc {
 int rkiic_match(struct device *, void *, void *);
 void rkiic_attach(struct device *, struct device *, void *);
 
-struct cfattach	rkiic_ca = {
+const struct cfattach	rkiic_ca = {
 	sizeof (struct rkiic_softc), rkiic_match, rkiic_attach
 };
 
diff --git a/sys/dev/fdt/rkpcie.c b/sys/dev/fdt/rkpcie.c
index 9d8d98429a7..45432bcf581 100644
--- a/sys/dev/fdt/rkpcie.c
+++ b/sys/dev/fdt/rkpcie.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkpcie.c,v 1.14 2021/05/17 17:25:13 kettenis Exp $	*/
+/*	$OpenBSD: rkpcie.c,v 1.15 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -113,7 +113,7 @@ struct rkpcie_softc {
 int rkpcie_match(struct device *, void *, void *);
 void rkpcie_attach(struct device *, struct device *, void *);
 
-struct cfattach	rkpcie_ca = {
+const struct cfattach	rkpcie_ca = {
 	sizeof (struct rkpcie_softc), rkpcie_match, rkpcie_attach
 };
 
diff --git a/sys/dev/fdt/rkpinctrl.c b/sys/dev/fdt/rkpinctrl.c
index 6862f9b88e0..2226c91bd42 100644
--- a/sys/dev/fdt/rkpinctrl.c
+++ b/sys/dev/fdt/rkpinctrl.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkpinctrl.c,v 1.6 2020/09/04 01:11:16 jmatthew Exp $	*/
+/*	$OpenBSD: rkpinctrl.c,v 1.7 2021/10/24 17:52:26 mpi Exp $	*/
 /*
  * Copyright (c) 2017, 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -59,7 +59,7 @@ struct rkpinctrl_softc {
 int	rkpinctrl_match(struct device *, void *, void *);
 void	rkpinctrl_attach(struct device *, struct device *, void *);
 
-struct cfattach	rkpinctrl_ca = {
+const struct cfattach	rkpinctrl_ca = {
 	sizeof (struct rkpinctrl_softc), rkpinctrl_match, rkpinctrl_attach
 };
 
diff --git a/sys/dev/fdt/rkpmic.c b/sys/dev/fdt/rkpmic.c
index 3589f135138..cbda91d3258 100644
--- a/sys/dev/fdt/rkpmic.c
+++ b/sys/dev/fdt/rkpmic.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkpmic.c,v 1.8 2021/03/08 12:53:35 kurt Exp $	*/
+/*	$OpenBSD: rkpmic.c,v 1.9 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -242,7 +242,7 @@ struct rkpmic_softc {
 int	rkpmic_match(struct device *, void *, void *);
 void	rkpmic_attach(struct device *, struct device *, void *);
 
-struct cfattach rkpmic_ca = {
+const struct cfattach rkpmic_ca = {
 	sizeof(struct rkpmic_softc), rkpmic_match, rkpmic_attach
 };
 
diff --git a/sys/dev/fdt/rkpwm.c b/sys/dev/fdt/rkpwm.c
index f95edeaf158..a632569fc81 100644
--- a/sys/dev/fdt/rkpwm.c
+++ b/sys/dev/fdt/rkpwm.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rkpwm.c,v 1.3 2021/08/02 18:22:41 patrick Exp $	*/
+/*	$OpenBSD: rkpwm.c,v 1.4 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Krystian Lewandowski
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
@@ -62,7 +62,7 @@ struct rkpwm_softc {
 int	rkpwm_match(struct device *, void *, void *);
 void	rkpwm_attach(struct device *, struct device *, void *);
 
-struct cfattach rkpwm_ca = {
+const struct cfattach rkpwm_ca = {
 	sizeof(struct rkpwm_softc), rkpwm_match, rkpwm_attach
 };
 
diff --git a/sys/dev/fdt/rktemp.c b/sys/dev/fdt/rktemp.c
index 7e07580e2c4..53ac310f6f8 100644
--- a/sys/dev/fdt/rktemp.c
+++ b/sys/dev/fdt/rktemp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rktemp.c,v 1.6 2020/09/08 01:29:58 jmatthew Exp $	*/
+/*	$OpenBSD: rktemp.c,v 1.7 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -214,7 +214,7 @@ struct rktemp_softc {
 int	rktemp_match(struct device *, void *, void *);
 void	rktemp_attach(struct device *, struct device *, void *);
 
-struct cfattach	rktemp_ca = {
+const struct cfattach	rktemp_ca = {
 	sizeof (struct rktemp_softc), rktemp_match, rktemp_attach
 };
 
diff --git a/sys/dev/fdt/sdhc_fdt.c b/sys/dev/fdt/sdhc_fdt.c
index 6cc8beaaed4..2ca87570633 100644
--- a/sys/dev/fdt/sdhc_fdt.c
+++ b/sys/dev/fdt/sdhc_fdt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sdhc_fdt.c,v 1.17 2021/09/11 22:42:12 mglocker Exp $	*/
+/*	$OpenBSD: sdhc_fdt.c,v 1.18 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis
  *
@@ -110,7 +110,7 @@ struct sdhc_fdt_softc {
 int	sdhc_fdt_match(struct device *, void *, void *);
 void	sdhc_fdt_attach(struct device *, struct device *, void *);
 
-struct cfattach sdhc_fdt_ca = {
+const struct cfattach sdhc_fdt_ca = {
 	sizeof(struct sdhc_fdt_softc), sdhc_fdt_match, sdhc_fdt_attach
 };
 
diff --git a/sys/dev/fdt/sfp.c b/sys/dev/fdt/sfp.c
index 92c9ad513ed..d218c0f1c0e 100644
--- a/sys/dev/fdt/sfp.c
+++ b/sys/dev/fdt/sfp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sfp.c,v 1.4 2020/11/10 19:08:43 kettenis Exp $ */
+/* $OpenBSD: sfp.c,v 1.5 2021/10/24 17:52:27 mpi Exp $ */
 /*
  * Copyright (c) 2019 Patrick Wildt <patrick@blueri.se>
  *
@@ -52,7 +52,7 @@ int	 sfp_get_gpio(struct sfp_softc *, const char *, uint32_t **);
 int	 sfp_gpio_enable(void *, int);
 int	 sfp_i2c_get_sffpage(void *, struct if_sffpage *);
 
-struct cfattach sfp_ca = {
+const struct cfattach sfp_ca = {
 	sizeof(struct sfp_softc), sfp_match, sfp_attach, sfp_detach,
 };
 
diff --git a/sys/dev/fdt/simplefb.c b/sys/dev/fdt/simplefb.c
index e1d1cf2a1f5..64439f5a170 100644
--- a/sys/dev/fdt/simplefb.c
+++ b/sys/dev/fdt/simplefb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: simplefb.c,v 1.13 2021/03/13 14:02:02 kettenis Exp $	*/
+/*	$OpenBSD: simplefb.c,v 1.14 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2016 Mark Kettenis
  *
@@ -81,7 +81,7 @@ struct wsdisplay_charcell simplefb_bs[SIMPLEFB_WIDTH * SIMPLEFB_HEIGHT];
 int	simplefb_match(struct device *, void *, void *);
 void	simplefb_attach(struct device *, struct device *, void *);
 
-struct cfattach simplefb_ca = {
+const struct cfattach simplefb_ca = {
 	sizeof(struct simplefb_softc), simplefb_match, simplefb_attach
 };
 
diff --git a/sys/dev/fdt/simplepanel.c b/sys/dev/fdt/simplepanel.c
index 7c9c0657254..ab70134ebe6 100644
--- a/sys/dev/fdt/simplepanel.c
+++ b/sys/dev/fdt/simplepanel.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: simplepanel.c,v 1.4 2021/07/07 02:38:21 jsg Exp $	*/
+/*	$OpenBSD: simplepanel.c,v 1.5 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2020 Patrick Wildt <patrick@blueri.se>
  *
@@ -58,7 +58,7 @@ struct cfattach	simplepanel_ca = {
 	simplepanel_match, simplepanel_attach
 };
 
-struct cfdriver simplepanel_cd = {
+const struct cfdriver simplepanel_cd = {
 	NULL, "simplepanel", DV_DULL
 };
 
diff --git a/sys/dev/fdt/ssdfb.c b/sys/dev/fdt/ssdfb.c
index 8168d9dcf0e..a457701384f 100644
--- a/sys/dev/fdt/ssdfb.c
+++ b/sys/dev/fdt/ssdfb.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssdfb.c,v 1.11 2020/05/25 09:55:48 jsg Exp $ */
+/* $OpenBSD: ssdfb.c,v 1.12 2021/10/24 17:52:27 mpi Exp $ */
 /*
  * Copyright (c) 2018 Patrick Wildt <patrick@blueri.se>
  *
@@ -143,14 +143,14 @@ int	 ssdfb_copyrows(void *, int, int, int);
 int	 ssdfb_eraserows(void *, int, int, uint32_t);
 int	 ssdfb_do_cursor(struct rasops_info *);
 
-struct cfattach ssdfb_i2c_ca = {
+const struct cfattach ssdfb_i2c_ca = {
 	sizeof(struct ssdfb_softc),
 	ssdfb_i2c_match,
 	ssdfb_i2c_attach,
 	ssdfb_i2c_detach,
 };
 
-struct cfattach ssdfb_spi_ca = {
+const struct cfattach ssdfb_spi_ca = {
 	sizeof(struct ssdfb_softc),
 	ssdfb_spi_match,
 	ssdfb_spi_attach,
diff --git a/sys/dev/fdt/sxiccmu.c b/sys/dev/fdt/sxiccmu.c
index 31a8f4a19a4..b27a6408ae9 100644
--- a/sys/dev/fdt/sxiccmu.c
+++ b/sys/dev/fdt/sxiccmu.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxiccmu.c,v 1.28 2020/08/30 05:23:49 uaa Exp $	*/
+/*	$OpenBSD: sxiccmu.c,v 1.29 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2007,2009 Dale Rahn <drahn@openbsd.org>
  * Copyright (c) 2013 Artturi Alm
@@ -75,7 +75,7 @@ struct sxiccmu_softc {
 int	sxiccmu_match(struct device *, void *, void *);
 void	sxiccmu_attach(struct device *, struct device *, void *);
 
-struct cfattach	sxiccmu_ca = {
+const struct cfattach	sxiccmu_ca = {
 	sizeof (struct sxiccmu_softc), sxiccmu_match, sxiccmu_attach
 };
 
diff --git a/sys/dev/fdt/sxidog.c b/sys/dev/fdt/sxidog.c
index 59c41c1e895..0347f611162 100644
--- a/sys/dev/fdt/sxidog.c
+++ b/sys/dev/fdt/sxidog.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sxidog.c,v 1.2 2019/10/17 22:26:32 kettenis Exp $ */
+/* $OpenBSD: sxidog.c,v 1.3 2021/10/24 17:52:27 mpi Exp $ */
 /*
  * Copyright (c) 2007,2009 Dale Rahn <drahn@openbsd.org>
  *
@@ -65,7 +65,7 @@ int sxidog_activate(struct device *, int);
 int sxidog_callback(void *, int);
 void sxidog_reset(void);
 
-struct cfattach	sxidog_ca = {
+const struct cfattach	sxidog_ca = {
 	sizeof (struct sxidog_softc), sxidog_match, sxidog_attach,
 	NULL, sxidog_activate
 };
diff --git a/sys/dev/fdt/sximmc.c b/sys/dev/fdt/sximmc.c
index 1d6e1ba7132..59aec935826 100644
--- a/sys/dev/fdt/sximmc.c
+++ b/sys/dev/fdt/sximmc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sximmc.c,v 1.11 2020/01/11 01:18:29 cheloha Exp $ */
+/* $OpenBSD: sximmc.c,v 1.12 2021/10/24 17:52:27 mpi Exp $ */
 /* $NetBSD: awin_mmc.c,v 1.23 2015/11/14 10:32:40 bouyer Exp $ */
 
 /*-
@@ -277,7 +277,7 @@ struct cfdriver sximmc_cd = {
 	NULL, "sximmc", DV_DULL
 };
 
-struct cfattach sximmc_ca = {
+const struct cfattach sximmc_ca = {
 	sizeof(struct sximmc_softc), sximmc_match, sximmc_attach
 };
 
diff --git a/sys/dev/fdt/sxipio.c b/sys/dev/fdt/sxipio.c
index 71a06222770..a9a2cb503be 100644
--- a/sys/dev/fdt/sxipio.c
+++ b/sys/dev/fdt/sxipio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxipio.c,v 1.13 2021/05/07 01:54:17 jsg Exp $	*/
+/*	$OpenBSD: sxipio.c,v 1.14 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2010 Miodrag Vallat.
  * Copyright (c) 2013 Artturi Alm
@@ -106,7 +106,7 @@ struct sxipio_softc {
 int	sxipio_match(struct device *, void *, void *);
 void	sxipio_attach(struct device *, struct device *, void *);
 
-struct cfattach sxipio_ca = {
+const struct cfattach sxipio_ca = {
 	sizeof (struct sxipio_softc), sxipio_match, sxipio_attach
 };
 
diff --git a/sys/dev/fdt/sxipwm.c b/sys/dev/fdt/sxipwm.c
index a055604f522..38e80614151 100644
--- a/sys/dev/fdt/sxipwm.c
+++ b/sys/dev/fdt/sxipwm.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxipwm.c,v 1.1 2019/10/21 20:52:33 kettenis Exp $	*/
+/*	$OpenBSD: sxipwm.c,v 1.2 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Krystian Lewandowski
  *
@@ -79,7 +79,7 @@ struct sxipwm_softc {
 int	sxipwm_match(struct device *, void *, void *);
 void	sxipwm_attach(struct device *, struct device *, void *);
 
-struct cfattach sxipwm_ca = {
+const struct cfattach sxipwm_ca = {
 	sizeof(struct sxipwm_softc), sxipwm_match, sxipwm_attach
 };
 
diff --git a/sys/dev/fdt/sxirsb.c b/sys/dev/fdt/sxirsb.c
index 528a40a7a76..c529bbe8b04 100644
--- a/sys/dev/fdt/sxirsb.c
+++ b/sys/dev/fdt/sxirsb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxirsb.c,v 1.3 2019/08/29 11:51:48 kettenis Exp $	*/
+/*	$OpenBSD: sxirsb.c,v 1.4 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -77,7 +77,7 @@ struct sxirsb_softc {
 int	sxirsb_match(struct device *, void *, void *);
 void	sxirsb_attach(struct device *, struct device *, void *);
 
-struct cfattach sxirsb_ca = {
+const struct cfattach sxirsb_ca = {
 	sizeof(struct sxirsb_softc), sxirsb_match, sxirsb_attach
 };
 
diff --git a/sys/dev/fdt/sxirtc.c b/sys/dev/fdt/sxirtc.c
index b9d397d9e0f..c5eab750c74 100644
--- a/sys/dev/fdt/sxirtc.c
+++ b/sys/dev/fdt/sxirtc.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxirtc.c,v 1.5 2021/04/24 10:15:15 mpi Exp $	*/
+/*	$OpenBSD: sxirtc.c,v 1.6 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2008 Mark Kettenis
  * Copyright (c) 2013 Artturi Alm
@@ -66,7 +66,7 @@ struct sxirtc_softc {
 int	sxirtc_match(struct device *, void *, void *);
 void	sxirtc_attach(struct device *, struct device *, void *);
 
-struct cfattach sxirtc_ca = {
+const struct cfattach sxirtc_ca = {
 	sizeof(struct sxirtc_softc), sxirtc_match, sxirtc_attach
 };
 
diff --git a/sys/dev/fdt/sxisid.c b/sys/dev/fdt/sxisid.c
index bb7abc8b0b5..ed032ea846d 100644
--- a/sys/dev/fdt/sxisid.c
+++ b/sys/dev/fdt/sxisid.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxisid.c,v 1.3 2020/05/29 04:42:25 deraadt Exp $	*/
+/*	$OpenBSD: sxisid.c,v 1.4 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Krystian Lewandowski
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
@@ -53,7 +53,7 @@ struct sxisid_softc {
 int sxisid_match(struct device *, void *, void *);
 void sxisid_attach(struct device *, struct device *, void *);
 
-struct cfattach sxisid_ca = {
+const struct cfattach sxisid_ca = {
 	sizeof(struct sxisid_softc), sxisid_match, sxisid_attach
 };
 
diff --git a/sys/dev/fdt/sxisyscon.c b/sys/dev/fdt/sxisyscon.c
index 30021d9f6aa..9d547024444 100644
--- a/sys/dev/fdt/sxisyscon.c
+++ b/sys/dev/fdt/sxisyscon.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxisyscon.c,v 1.1 2019/08/11 11:19:41 kettenis Exp $	*/
+/*	$OpenBSD: sxisyscon.c,v 1.2 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2019 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -35,7 +35,7 @@ struct sxisyscon_softc {
 int	sxisyscon_match(struct device *, void *, void *);
 void	sxisyscon_attach(struct device *, struct device *, void *);
 
-struct cfattach sxisyscon_ca = {
+const struct cfattach sxisyscon_ca = {
 	sizeof(struct sxisyscon_softc), sxisyscon_match, sxisyscon_attach
 };
 
diff --git a/sys/dev/fdt/sxitemp.c b/sys/dev/fdt/sxitemp.c
index 19ff0d05f6c..07d95e8dfd8 100644
--- a/sys/dev/fdt/sxitemp.c
+++ b/sys/dev/fdt/sxitemp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxitemp.c,v 1.8 2020/07/15 11:33:12 dtucker Exp $	*/
+/*	$OpenBSD: sxitemp.c,v 1.9 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -82,7 +82,7 @@ struct sxitemp_softc {
 int	sxitemp_match(struct device *, void *, void *);
 void	sxitemp_attach(struct device *, struct device *, void *);
 
-struct cfattach	sxitemp_ca = {
+const struct cfattach	sxitemp_ca = {
 	sizeof (struct sxitemp_softc), sxitemp_match, sxitemp_attach
 };
 
diff --git a/sys/dev/fdt/sxits.c b/sys/dev/fdt/sxits.c
index 4a5d183cabe..a08e63fafad 100644
--- a/sys/dev/fdt/sxits.c
+++ b/sys/dev/fdt/sxits.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sxits.c,v 1.2 2019/09/21 15:55:29 kettenis Exp $	*/
+/*	$OpenBSD: sxits.c,v 1.3 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2018 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -65,7 +65,7 @@ struct sxits_softc {
 int	sxits_match(struct device *, void *, void *);
 void	sxits_attach(struct device *, struct device *, void *);
 
-struct cfattach	sxits_ca = {
+const struct cfattach	sxits_ca = {
 	sizeof (struct sxits_softc), sxits_match, sxits_attach
 };
 
diff --git a/sys/dev/fdt/sxitwi.c b/sys/dev/fdt/sxitwi.c
index a7b872b5010..2564f346bbc 100644
--- a/sys/dev/fdt/sxitwi.c
+++ b/sys/dev/fdt/sxitwi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sxitwi.c,v 1.13 2021/03/11 09:15:25 patrick Exp $ */
+/* $OpenBSD: sxitwi.c,v 1.14 2021/10/24 17:52:27 mpi Exp $ */
 /*	$NetBSD: gttwsi_core.c,v 1.2 2014/11/23 13:37:27 jmcneill Exp $	*/
 /*
  * Copyright (c) 2008 Eiji Kawauchi.
@@ -161,7 +161,7 @@ struct cfdriver sxitwi_cd = {
 	NULL, "sxitwi", DV_DULL
 };
 
-struct cfattach sxitwi_ca = {
+const struct cfattach sxitwi_ca = {
 	sizeof(struct sxitwi_softc), sxitwi_match, sxitwi_attach
 };
 
diff --git a/sys/dev/fdt/sypwr.c b/sys/dev/fdt/sypwr.c
index be710a173b2..08b5bedd72c 100644
--- a/sys/dev/fdt/sypwr.c
+++ b/sys/dev/fdt/sypwr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sypwr.c,v 1.4 2020/11/12 10:47:07 patrick Exp $	*/
+/*	$OpenBSD: sypwr.c,v 1.5 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -44,7 +44,7 @@ int	sypwr_match(struct device *, void *, void *);
 void	sypwr_attach(struct device *, struct device *, void *);
 int	sypwr_activate(struct device *, int);
 
-struct cfattach sypwr_ca = {
+const struct cfattach sypwr_ca = {
 	sizeof(struct sypwr_softc), sypwr_match, sypwr_attach,
 	NULL, sypwr_activate
 };
diff --git a/sys/dev/fdt/syscon.c b/sys/dev/fdt/syscon.c
index acb5e5ab050..314f27667b2 100644
--- a/sys/dev/fdt/syscon.c
+++ b/sys/dev/fdt/syscon.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: syscon.c,v 1.6 2021/04/23 12:49:53 jsg Exp $	*/
+/*	$OpenBSD: syscon.c,v 1.7 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis
  *
@@ -53,7 +53,7 @@ struct syscon_softc *syscon_poweroff_sc;
 int	syscon_match(struct device *, void *, void *);
 void	syscon_attach(struct device *, struct device *, void *);
 
-struct cfattach syscon_ca = {
+const struct cfattach syscon_ca = {
 	sizeof(struct syscon_softc), syscon_match, syscon_attach
 };
 
diff --git a/sys/dev/fdt/virtio_mmio.c b/sys/dev/fdt/virtio_mmio.c
index 9dff7feae40..12f5a6cdeb6 100644
--- a/sys/dev/fdt/virtio_mmio.c
+++ b/sys/dev/fdt/virtio_mmio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: virtio_mmio.c,v 1.9 2021/04/15 17:06:59 patrick Exp $	*/
+/*	$OpenBSD: virtio_mmio.c,v 1.10 2021/10/24 17:52:27 mpi Exp $	*/
 /*	$NetBSD: virtio.c,v 1.3 2011/11/02 23:05:52 njoly Exp $	*/
 
 /*
@@ -116,7 +116,7 @@ struct virtio_mmio_softc {
 	uint32_t		sc_version;
 };
 
-struct cfattach virtio_mmio_ca = {
+const struct cfattach virtio_mmio_ca = {
 	sizeof(struct virtio_mmio_softc),
 	virtio_mmio_match,
 	virtio_mmio_attach,
@@ -124,7 +124,7 @@ struct cfattach virtio_mmio_ca = {
 	NULL
 };
 
-struct cfattach virtio_mmio_fdt_ca = {
+const struct cfattach virtio_mmio_fdt_ca = {
 	sizeof(struct virtio_mmio_softc),
 	NULL,
 	virtio_mmio_attach,
diff --git a/sys/dev/fdt/xhci_fdt.c b/sys/dev/fdt/xhci_fdt.c
index fdf76b31439..08e7d0511fa 100644
--- a/sys/dev/fdt/xhci_fdt.c
+++ b/sys/dev/fdt/xhci_fdt.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: xhci_fdt.c,v 1.17 2021/06/29 12:46:36 patrick Exp $	*/
+/*	$OpenBSD: xhci_fdt.c,v 1.18 2021/10/24 17:52:27 mpi Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis <kettenis@openbsd.org>
  *
@@ -48,7 +48,7 @@ struct xhci_fdt_softc {
 int	xhci_fdt_match(struct device *, void *, void *);
 void	xhci_fdt_attach(struct device *, struct device *, void *);
 
-struct cfattach xhci_fdt_ca = {
+const struct cfattach xhci_fdt_ca = {
 	sizeof(struct xhci_fdt_softc), xhci_fdt_match, xhci_fdt_attach
 };