Introduce a RMAN_IS_DEFAULT_RANGE() macro, and use it.

This simplifies checking for default resource range for bus_alloc_resource(),
and improves readability.

This is part of, and related to, the migration of rman_res_t from u_long to
uintmax_t.

Discussed with:	jhb
Suggested by:	marcel

2 files changed, 2 insertions, 2 deletions

diff --git a/sys/arm/mv/mv_localbus.c b/sys/arm/mv/mv_localbus.c
index f7a80fe..936bc18 100644
--- a/sys/arm/mv/mv_localbus.c
+++ b/sys/arm/mv/mv_localbus.c
@@ -341,7 +341,7 @@ localbus_alloc_resource(device_t bus, device_t child, int type, int *rid,
 	 * Request for the default allocation with a given rid: use resource
 	 * list stored in the local device info.
 	 */
-	if ((start == 0UL) && (end == ~0UL)) {
+	if (RMAN_IS_DEFAULT_RANGE(start, end)) {
 		if ((di = device_get_ivars(child)) == NULL)
 			return (NULL);
 
diff --git a/sys/arm/mv/mv_pci.c b/sys/arm/mv/mv_pci.c
index 49d095d..dc8b890 100644
--- a/sys/arm/mv/mv_pci.c
+++ b/sys/arm/mv/mv_pci.c
@@ -844,7 +844,7 @@ mv_pcib_alloc_resource(device_t dev, device_t child, int type, int *rid,
 		    type, rid, start, end, count, flags));
 	};
 
-	if ((start == 0UL) && (end == ~0UL)) {
+	if (RMAN_IS_DEFAULT_RANGE(start, end)) {
 		start = sc->sc_mem_base;
 		end = sc->sc_mem_base + sc->sc_mem_size - 1;
 		count = sc->sc_mem_size;