diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index b261a3015f84..04819ad379c2 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -24,15 +24,17 @@ description: |
 
 properties:
   compatible:
-    items:
-      - enum:
-          - sifive,rocket0
-          - sifive,e5
-          - sifive,e51
-          - sifive,u54-mc
-          - sifive,u54
-          - sifive,u5
-      - const: riscv
+    oneOf:
+      - items:
+          - enum:
+              - sifive,rocket0
+              - sifive,e5
+              - sifive,e51
+              - sifive,u54-mc
+              - sifive,u54
+              - sifive,u5
+          - const: riscv
+      - const: riscv    # Simulator only
     description:
       Identifies that the hart uses the RISC-V instruction set
       and identifies the type of the hart.
@@ -66,12 +68,8 @@ properties:
       insensitive, letters in the riscv,isa string must be all
       lowercase to simplify parsing.
 
-  timebase-frequency:
-    type: integer
-    minimum: 1
-    description:
-      Specifies the clock frequency of the system timer in Hz.
-      This value is common to all harts on a single system image.
+  # RISC-V requires 'timebase-frequency' in /cpus, so disallow it here
+  timebase-frequency: false
 
   interrupt-controller:
     type: object
@@ -93,7 +91,6 @@ properties:
 
 required:
   - riscv,isa
-  - timebase-frequency
   - interrupt-controller
 
 examples:
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 7989703b883c..6bd610ee2cd7 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -324,8 +324,10 @@ int of_reserved_mem_device_init_by_idx(struct device *dev,
 	if (!target)
 		return -ENODEV;
 
-	if (!of_device_is_available(target))
+	if (!of_device_is_available(target)) {
+		of_node_put(target);
 		return 0;
+	}
 
 	rmem = __find_rmem(target);
 	of_node_put(target);
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 480a21e2ed39..92e895d86458 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1207,6 +1207,7 @@ static int __init unittest_data_add(void)
 	of_fdt_unflatten_tree(unittest_data, NULL, &unittest_data_node);
 	if (!unittest_data_node) {
 		pr_warn("%s: No tree to attach; not running tests\n", __func__);
+		kfree(unittest_data);
 		return -ENODATA;
 	}