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/at91/at91.c b/sys/arm/at91/at91.c
index 0b0d911..0947ec7 100644
--- a/sys/arm/at91/at91.c
+++ b/sys/arm/at91/at91.c
@@ -164,7 +164,7 @@ at91_alloc_resource(device_t dev, device_t child, int type, int *rid,
 		return (NULL);
 	if (rle->res)
 		panic("Resource rid %d type %d already in use", *rid, type);
-	if (start == 0UL && end == ~0UL) {
+	if (RMAN_IS_DEFAULT_RANGE(start, end)) {
 		start = rle->start;
 		count = ulmax(count, rle->count);
 		end = ulmax(rle->end, start + count - 1);
diff --git a/sys/arm/at91/at91_pinctrl.c b/sys/arm/at91/at91_pinctrl.c
index 7a90f0f..e5652d1 100644
--- a/sys/arm/at91/at91_pinctrl.c
+++ b/sys/arm/at91/at91_pinctrl.c
@@ -280,7 +280,7 @@ pinctrl_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);