diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 71cc42d05248..be4521184328 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -831,7 +831,7 @@ static int match_free_decoder(struct device *dev, const void *data)
 }
 
 static bool region_res_match_cxl_range(const struct cxl_region_params *p,
-				       struct range *range)
+				       const struct range *range)
 {
 	if (!p->res)
 		return false;
@@ -3287,10 +3287,7 @@ static int match_region_by_range(struct device *dev, const void *data)
 	p = &cxlr->params;
 
 	guard(rwsem_read)(&cxl_rwsem.region);
-	if (p->res && p->res->start == r->start && p->res->end == r->end)
-		return 1;
-
-	return 0;
+	return region_res_match_cxl_range(p, r);
 }
 
 static int cxl_extended_linear_cache_resize(struct cxl_region *cxlr,