hwspinlock changes for v6.3

This updates the sun6i DT binding, to allow (and require) #hwlock-cells,
 and it makes use of device_match_of_node() to slightly clean up the
 condition in of_hwspin_lock_get_id().
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Merge tag 'hwlock-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull hwspinlock updates from Bjorn Andersson:
 "This updates the sun6i DT binding to allow (and require) #hwlock-cells
  and makes use of device_match_of_node() to slight clean up the
  condition in of_hwspin_lock_get_id()"

* tag 'hwlock-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  dt-bindings: hwlock: sun6i: Add #hwlock-cells to example
  dt-bindings: hwlock: sun6i: Add missing #hwlock-cells
  hwspinlock: Use device_match_of_node()

Documentation/devicetree/bindings/hwlock/allwinner,sun6i-a31-hwspinlock.yaml

@@ -26,11 +26,15 @@ properties:
   resets:
     maxItems: 1
 
+  '#hwlock-cells':
+    const: 1
+
 required:
   - compatible
   - reg
   - clocks
   - resets
+  - "#hwlock-cells"
 
 additionalProperties: false
 
@@ -44,5 +48,6 @@ examples:
         reg = <0x01c18000 0x1000>;
         clocks = <&ccu CLK_BUS_SPINLOCK>;
         resets = <&ccu RST_BUS_SPINLOCK>;
+        #hwlock-cells = <1>;
     };
 ...

drivers/hwspinlock/hwspinlock_core.c

@@ -367,7 +367,7 @@ int of_hwspin_lock_get_id(struct device_node *np, int index)
 			continue;
 		}
 
-		if (hwlock->bank->dev->of_node == args.np) {
+		if (device_match_of_node(hwlock->bank->dev, args.np)) {
 			ret = 0;
 			break;
 		}