diff --git a/sys/alpha/alpha/mp_machdep.c b/sys/alpha/alpha/mp_machdep.c
index b1403dd09800..4a7f7257e016 100644
--- a/sys/alpha/alpha/mp_machdep.c
+++ b/sys/alpha/alpha/mp_machdep.c
@@ -349,7 +349,6 @@ cpu_mp_start(void)
 	mtx_init(&ap_boot_mtx, "ap boot", NULL, MTX_SPIN);
 
 	for (i = 0; i < hwrpb->rpb_pcs_cnt; i++) {
-		int dv;
 		struct pcs *pcsp;
 
 		if (i == boot_cpu_id)
@@ -380,8 +379,7 @@ cpu_mp_start(void)
 			}
 			continue;
 		}
-		dv = 0;
-		if (resource_int_value("cpu", i, "disable", &dv) == 0 && dv) {
+		if (resource_disabled("cpu", i))
 			printf("CPU %d disabled by loader.\n", i);
 			continue;
 		}
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c
index c5f920e7cbc8..4d4b22183a02 100644
--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -215,8 +215,7 @@ acpi_identify(driver_t *driver, device_t parent)
     /*
      * Check that we haven't been disabled with a hint.
      */
-    if (!resource_int_value("acpi", 0, "disabled", &error) &&
-	(error != 0))
+    if (resource_disabled("acpi", 0))
 	return_VOID;
 
     /*
@@ -2175,13 +2174,11 @@ acpi_pm_func(u_long cmd, void *arg, ...)
 static void
 acpi_pm_register(void *arg)
 {
-    int	error;
 
     if (!cold)
 	return;
 
-    if (!resource_int_value("acpi", 0, "disabled", &error) &&
-       (error != 0))
+    if (resource_disabled("acpi", 0))
 		return;
 
     power_pm_register(POWER_PM_TYPE_ACPI, acpi_pm_func, NULL);
diff --git a/sys/dev/atkbdc/atkbd.c b/sys/dev/atkbdc/atkbd.c
index edf6489310f8..569f14bbd227 100644
--- a/sys/dev/atkbdc/atkbd.c
+++ b/sys/dev/atkbdc/atkbd.c
@@ -277,8 +277,7 @@ atkbd_configure(int flags)
 	atkbdc_configure();
 
 	/* if the driver is disabled, unregister the keyboard if any */
-	if ((resource_int_value("atkbd", ATKBD_DEFAULT, "disabled", &i) == 0)
-	    && i != 0) {
+	if (resource_disabled("atkbd", ATKBD_DEFAULT)) {
 		i = kbd_find_keyboard(ATKBD_DRIVER_NAME, ATKBD_DEFAULT);
 		if (i >= 0) {
 			kbd = kbd_get_keyboard(i);
diff --git a/sys/dev/atkbdc/atkbdc_isa.c b/sys/dev/atkbdc/atkbdc_isa.c
index 7dbe02a02bc4..2618adfed7c3 100644
--- a/sys/dev/atkbdc/atkbdc_isa.c
+++ b/sys/dev/atkbdc/atkbdc_isa.c
@@ -255,7 +255,7 @@ atkbdc_add_child(device_t bus, int order, char *name, int unit)
 
 	if (resource_int_value(name, unit, "flags", &t) == 0)
 		device_set_flags(child, t);
-	if (resource_int_value(name, unit, "disabled", &t) == 0 && t != 0)
+	if (resource_disabled(name, unit))
 		device_disable(child);
 
 	device_set_ivars(child, ivar);
diff --git a/sys/dev/atkbdc/atkbdc_subr.c b/sys/dev/atkbdc/atkbdc_subr.c
index 7dbe02a02bc4..2618adfed7c3 100644
--- a/sys/dev/atkbdc/atkbdc_subr.c
+++ b/sys/dev/atkbdc/atkbdc_subr.c
@@ -255,7 +255,7 @@ atkbdc_add_child(device_t bus, int order, char *name, int unit)
 
 	if (resource_int_value(name, unit, "flags", &t) == 0)
 		device_set_flags(child, t);
-	if (resource_int_value(name, unit, "disabled", &t) == 0 && t != 0)
+	if (resource_disabled(name, unit))
 		device_disable(child);
 
 	device_set_ivars(child, ivar);
diff --git a/sys/dev/fdc/fdc.c b/sys/dev/fdc/fdc.c
index 7d30d8f90c1e..5346144d8181 100644
--- a/sys/dev/fdc/fdc.c
+++ b/sys/dev/fdc/fdc.c
@@ -973,7 +973,7 @@ fdc_detach(device_t dev)
 static void
 fdc_add_child(device_t dev, const char *name, int unit)
 {
-	int	disabled, flags;
+	int	flags;
 	struct fdc_ivars *ivar;
 	device_t child;
 
@@ -990,8 +990,7 @@ fdc_add_child(device_t dev, const char *name, int unit)
 	device_set_ivars(child, ivar);
 	if (resource_int_value(name, unit, "flags", &flags) == 0)
 		 device_set_flags(child, flags);
-	if (resource_int_value(name, unit, "disabled", &disabled) == 0
-	    && disabled != 0)
+	if (resource_disabled(name, unit))
 		device_disable(child);
 }
 
diff --git a/sys/dev/ips/ips_pci.c b/sys/dev/ips/ips_pci.c
index 81fa0e6655e3..8cda989bf5a0 100644
--- a/sys/dev/ips/ips_pci.c
+++ b/sys/dev/ips/ips_pci.c
@@ -50,13 +50,10 @@ static int ips_pci_probe(device_t dev)
 static int ips_pci_attach(device_t dev)
 {
         u_int32_t command;
-        int tval;
         ips_softc_t *sc;
 
 
-	tval = 0;
-	if (resource_int_value(device_get_name(dev), device_get_unit(dev),
-	    "disable", &tval) == 0 && tval) {
+	if (resource_disabled(device_get_name(dev), device_get_unit(dev))) {
 		device_printf(dev, "device is disabled\n");
 		/* but return 0 so the !$)$)*!$*) unit isn't reused */
 		return (0);
diff --git a/sys/dev/kbd/atkbd.c b/sys/dev/kbd/atkbd.c
index edf6489310f8..569f14bbd227 100644
--- a/sys/dev/kbd/atkbd.c
+++ b/sys/dev/kbd/atkbd.c
@@ -277,8 +277,7 @@ atkbd_configure(int flags)
 	atkbdc_configure();
 
 	/* if the driver is disabled, unregister the keyboard if any */
-	if ((resource_int_value("atkbd", ATKBD_DEFAULT, "disabled", &i) == 0)
-	    && i != 0) {
+	if (resource_disabled("atkbd", ATKBD_DEFAULT)) {
 		i = kbd_find_keyboard(ATKBD_DRIVER_NAME, ATKBD_DEFAULT);
 		if (i >= 0) {
 			kbd = kbd_get_keyboard(i);
diff --git a/sys/dev/sio/sio.c b/sys/dev/sio/sio.c
index 330407852584..898a6667287d 100644
--- a/sys/dev/sio/sio.c
+++ b/sys/dev/sio/sio.c
@@ -2967,11 +2967,9 @@ siocnprobe(cp)
 
 	for (unit = 0; unit < 16; unit++) { /* XXX need to know how many */
 		int flags;
-		int disabled;
-		if (resource_int_value("sio", unit, "disabled", &disabled) == 0) {
-			if (disabled)
-				continue;
-		}
+
+		if (resource_disabled("sio", unit))
+			continue;
 		if (resource_int_value("sio", unit, "flags", &flags))
 			continue;
 		if (COM_CONSOLE(flags) || COM_DEBUGGER(flags)) {
diff --git a/sys/i386/bios/apm.c b/sys/i386/bios/apm.c
index 016d924caaa4..f67bdbe741f9 100644
--- a/sys/i386/bios/apm.c
+++ b/sys/i386/bios/apm.c
@@ -846,6 +846,9 @@ apm_identify(driver_t *driver, device_t parent)
 		return;
 	}
 
+	if (resource_disabled("apm", 0))
+		return;
+
 	child = BUS_ADD_CHILD(parent, 0, "apm", 0);
 	if (child == NULL)
 		panic("apm_identify");
@@ -860,18 +863,12 @@ apm_probe(device_t dev)
 #define APM_KERNBASE	KERNBASE
 	struct vm86frame	vmf;
 	struct apm_softc	*sc = &apm_softc;
-	int			disabled, flags;
+	int			flags;
 #ifdef PC98
 	int			rid;
 #endif
 
 	device_set_desc(dev, "APM BIOS");
-
-	if (resource_int_value("apm", 0, "disabled", &disabled) != 0)
-		disabled = 0;
-	if (disabled)
-		return ENXIO;
-
 	if (device_get_unit(dev) > 0) {
 		printf("apm: Only one APM driver supported.\n");
 		return ENXIO;
@@ -1544,10 +1541,8 @@ apm_pm_func(u_long cmd, void *arg, ...)
 static void
 apm_pm_register(void *arg)
 {
-	int	disabled = 0;
 
-	resource_int_value("apm", 0, "disabled", &disabled);
-	if (disabled == 0)
+	if (!resource_disabled("apm", 0))
 		power_pm_register(POWER_PM_TYPE_APM, apm_pm_func, NULL);
 }
 
diff --git a/sys/i386/isa/pcvt/pcvt_drv.c b/sys/i386/isa/pcvt/pcvt_drv.c
index b5d006339abb..b437e0cf1f8e 100644
--- a/sys/i386/isa/pcvt/pcvt_drv.c
+++ b/sys/i386/isa/pcvt/pcvt_drv.c
@@ -642,8 +642,8 @@ pcvt_cn_probe(struct consdev *cp)
 	int unit = 0;
 	int i;
 
-	/* See if this driver is disabled in probe hint. */ 
-	if (resource_int_value("vt", unit, "disabled", &i) == 0 && i)
+	/* See if this driver is disabled in probe hint. */
+	if (resource_disabled("vt", unit))
 	{
 		cp->cn_pri = CN_DEAD;
 		return;
diff --git a/sys/isa/atkbdc_isa.c b/sys/isa/atkbdc_isa.c
index 7dbe02a02bc4..2618adfed7c3 100644
--- a/sys/isa/atkbdc_isa.c
+++ b/sys/isa/atkbdc_isa.c
@@ -255,7 +255,7 @@ atkbdc_add_child(device_t bus, int order, char *name, int unit)
 
 	if (resource_int_value(name, unit, "flags", &t) == 0)
 		device_set_flags(child, t);
-	if (resource_int_value(name, unit, "disabled", &t) == 0 && t != 0)
+	if (resource_disabled(name, unit))
 		device_disable(child);
 
 	device_set_ivars(child, ivar);
diff --git a/sys/isa/fd.c b/sys/isa/fd.c
index 7d30d8f90c1e..5346144d8181 100644
--- a/sys/isa/fd.c
+++ b/sys/isa/fd.c
@@ -973,7 +973,7 @@ fdc_detach(device_t dev)
 static void
 fdc_add_child(device_t dev, const char *name, int unit)
 {
-	int	disabled, flags;
+	int	flags;
 	struct fdc_ivars *ivar;
 	device_t child;
 
@@ -990,8 +990,7 @@ fdc_add_child(device_t dev, const char *name, int unit)
 	device_set_ivars(child, ivar);
 	if (resource_int_value(name, unit, "flags", &flags) == 0)
 		 device_set_flags(child, flags);
-	if (resource_int_value(name, unit, "disabled", &disabled) == 0
-	    && disabled != 0)
+	if (resource_disabled(name, unit))
 		device_disable(child);
 }
 
diff --git a/sys/isa/isahint.c b/sys/isa/isahint.c
index aeed43220f6d..dd0496760536 100644
--- a/sys/isa/isahint.c
+++ b/sys/isa/isahint.c
@@ -79,7 +79,7 @@ isahint_add_device(device_t parent, const char *name, int unit)
 	if (resource_int_value(name, unit, "flags", &t) == 0)
 		device_set_flags(child, t);
 
-	if (resource_int_value(name, unit, "disabled", &t) == 0 && t != 0)
+	if (resource_disabled(name, unit))
 		device_disable(child);
 }
 
diff --git a/sys/isa/syscons_isa.c b/sys/isa/syscons_isa.c
index b4a52630ec4a..d88da8951ec5 100644
--- a/sys/isa/syscons_isa.c
+++ b/sys/isa/syscons_isa.c
@@ -195,14 +195,12 @@ sc_softc_t
 int
 sc_get_cons_priority(int *unit, int *flags)
 {
-	int disabled;
 	const char *at;
 	int u, f;
 
 	*unit = -1;
 	for (u = 0; u < 16; u++) {
-		if ((resource_int_value(SC_DRIVER_NAME, u, "disabled",
-					&disabled) == 0) && disabled)
+		if (resource_disabled(SC_DRIVER_NAME, u))
 			continue;
 		if (resource_string_value(SC_DRIVER_NAME, u, "at", &at) != 0)
 			continue;
diff --git a/sys/pc98/cbus/fdc.c b/sys/pc98/cbus/fdc.c
index a940ccb81082..04c46e0232ae 100644
--- a/sys/pc98/cbus/fdc.c
+++ b/sys/pc98/cbus/fdc.c
@@ -1275,7 +1275,7 @@ fdc_detach(device_t dev)
 static void
 fdc_add_child(device_t dev, const char *name, int unit)
 {
-	int	disabled, flags;
+	int	flags;
 	struct fdc_ivars *ivar;
 	device_t child;
 
@@ -1292,8 +1292,7 @@ fdc_add_child(device_t dev, const char *name, int unit)
 	device_set_ivars(child, ivar);
 	if (resource_int_value(name, unit, "flags", &flags) == 0)
 		 device_set_flags(child, flags);
-	if (resource_int_value(name, unit, "disabled", &disabled) == 0
-	    && disabled != 0)
+	if (resource_disabled(name, unit))
 		device_disable(child);
 }
 
diff --git a/sys/pc98/cbus/pckbd.c b/sys/pc98/cbus/pckbd.c
index 37fe6d258400..c7c793a09ff8 100644
--- a/sys/pc98/cbus/pckbd.c
+++ b/sys/pc98/cbus/pckbd.c
@@ -370,8 +370,7 @@ pckbd_configure(int flags)
 	if (resource_int_value(DRIVER_NAME, 0, "flags", &i) == 0) {
 		flags |= i;
 		/* if the driver is disabled, unregister the keyboard if any */
-		if (resource_int_value(DRIVER_NAME, 0, "disabled", &i) == 0
-		    && i != 0) {
+		if (resource_disabled(DRIVER_NAME, 0)) {
 			i = kbd_find_keyboard(DRIVER_NAME, PC98KBD_DEFAULT);
 			if (i >= 0) {
 				kbd = kbd_get_keyboard(i);
diff --git a/sys/pc98/cbus/sio.c b/sys/pc98/cbus/sio.c
index 28eb52e63bd7..03f5041ea71c 100644
--- a/sys/pc98/cbus/sio.c
+++ b/sys/pc98/cbus/sio.c
@@ -4162,11 +4162,8 @@ siocnprobe(cp)
 
 	for (unit = 0; unit < 16; unit++) { /* XXX need to know how many */
 		int flags;
-		int disabled;
-		if (resource_int_value("sio", unit, "disabled", &disabled) == 0) {
-			if (disabled)
-				continue;
-		}
+		if (resource_disabled("sio", unit))
+			continue;
 		if (resource_int_value("sio", unit, "flags", &flags))
 			continue;
 		if (COM_CONSOLE(flags) || COM_DEBUGGER(flags)) {
diff --git a/sys/pc98/cbus/syscons_cbus.c b/sys/pc98/cbus/syscons_cbus.c
index 14a096ae9adf..1c9df05ed5ce 100644
--- a/sys/pc98/cbus/syscons_cbus.c
+++ b/sys/pc98/cbus/syscons_cbus.c
@@ -180,14 +180,12 @@ sc_softc_t
 int
 sc_get_cons_priority(int *unit, int *flags)
 {
-	int disabled;
 	const char *at;
 	int u, f;
 
 	*unit = -1;
 	for (u = 0; u < 16; u++) {
-		if ((resource_int_value(SC_DRIVER_NAME, u, "disabled",
-					&disabled) == 0) && disabled)
+		if (resource_disabled(SC_DRIVER_NAME, u))
 			continue;
 		if (resource_string_value(SC_DRIVER_NAME, u, "at", &at) != 0)
 			continue;
diff --git a/sys/pc98/pc98/fd.c b/sys/pc98/pc98/fd.c
index a940ccb81082..04c46e0232ae 100644
--- a/sys/pc98/pc98/fd.c
+++ b/sys/pc98/pc98/fd.c
@@ -1275,7 +1275,7 @@ fdc_detach(device_t dev)
 static void
 fdc_add_child(device_t dev, const char *name, int unit)
 {
-	int	disabled, flags;
+	int	flags;
 	struct fdc_ivars *ivar;
 	device_t child;
 
@@ -1292,8 +1292,7 @@ fdc_add_child(device_t dev, const char *name, int unit)
 	device_set_ivars(child, ivar);
 	if (resource_int_value(name, unit, "flags", &flags) == 0)
 		 device_set_flags(child, flags);
-	if (resource_int_value(name, unit, "disabled", &disabled) == 0
-	    && disabled != 0)
+	if (resource_disabled(name, unit))
 		device_disable(child);
 }
 
diff --git a/sys/pc98/pc98/pc98kbd.c b/sys/pc98/pc98/pc98kbd.c
index 37fe6d258400..c7c793a09ff8 100644
--- a/sys/pc98/pc98/pc98kbd.c
+++ b/sys/pc98/pc98/pc98kbd.c
@@ -370,8 +370,7 @@ pckbd_configure(int flags)
 	if (resource_int_value(DRIVER_NAME, 0, "flags", &i) == 0) {
 		flags |= i;
 		/* if the driver is disabled, unregister the keyboard if any */
-		if (resource_int_value(DRIVER_NAME, 0, "disabled", &i) == 0
-		    && i != 0) {
+		if (resource_disabled(DRIVER_NAME, 0)) {
 			i = kbd_find_keyboard(DRIVER_NAME, PC98KBD_DEFAULT);
 			if (i >= 0) {
 				kbd = kbd_get_keyboard(i);
diff --git a/sys/pc98/pc98/sio.c b/sys/pc98/pc98/sio.c
index 28eb52e63bd7..03f5041ea71c 100644
--- a/sys/pc98/pc98/sio.c
+++ b/sys/pc98/pc98/sio.c
@@ -4162,11 +4162,8 @@ siocnprobe(cp)
 
 	for (unit = 0; unit < 16; unit++) { /* XXX need to know how many */
 		int flags;
-		int disabled;
-		if (resource_int_value("sio", unit, "disabled", &disabled) == 0) {
-			if (disabled)
-				continue;
-		}
+		if (resource_disabled("sio", unit))
+			continue;
 		if (resource_int_value("sio", unit, "flags", &flags))
 			continue;
 		if (COM_CONSOLE(flags) || COM_DEBUGGER(flags)) {
diff --git a/sys/pc98/pc98/syscons_pc98.c b/sys/pc98/pc98/syscons_pc98.c
index 14a096ae9adf..1c9df05ed5ce 100644
--- a/sys/pc98/pc98/syscons_pc98.c
+++ b/sys/pc98/pc98/syscons_pc98.c
@@ -180,14 +180,12 @@ sc_softc_t
 int
 sc_get_cons_priority(int *unit, int *flags)
 {
-	int disabled;
 	const char *at;
 	int u, f;
 
 	*unit = -1;
 	for (u = 0; u < 16; u++) {
-		if ((resource_int_value(SC_DRIVER_NAME, u, "disabled",
-					&disabled) == 0) && disabled)
+		if (resource_disabled(SC_DRIVER_NAME, u))
 			continue;
 		if (resource_string_value(SC_DRIVER_NAME, u, "at", &at) != 0)
 			continue;