OPP updates for 6.3

- Add missing 'cache-unified' property in example for kryo OPP bindings
   (Rob Herring).
 
 - Fix error checking in opp_migrate_dentry() (Qi Zheng).
 
 - Remove "select SRCU" (Paul E. McKenney).
 
 - Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
   Dybcio).
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Merge tag 'opp-updates-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm

Pull OPP (Operating Performance Points) updates for 6.3 from Viresh
Kumar:

"- Add missing 'cache-unified' property in example for kryo OPP bindings
   (Rob Herring).

 - Fix error checking in opp_migrate_dentry() (Qi Zheng).

 - Remove "select SRCU" (Paul E. McKenney).

 - Let qcom,opp-fuse-level be a 2-long array for qcom SoCs (Konrad
   Dybcio)."

* tag 'opp-updates-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  OPP: fix error checking in opp_migrate_dentry()
  dt-bindings: opp: v2-qcom-level: Let qcom,opp-fuse-level be a 2-long array
  drivers/opp: Remove "select SRCU"
  dt-bindings: opp: opp-v2-kryo-cpu: Add missing 'cache-unified' property in example

Documentation/devicetree/bindings/opp/opp-v2-kryo-cpu.yaml

@@ -106,6 +106,7 @@ examples:
                 L2_0: l2-cache {
                     compatible = "cache";
                     cache-level = <2>;
+                    cache-unified;
                 };
             };
 
@@ -140,6 +141,7 @@ examples:
                 L2_1: l2-cache {
                     compatible = "cache";
                     cache-level = <2>;
+                    cache-unified;
                 };
             };
 

Documentation/devicetree/bindings/opp/opp-v2-qcom-level.yaml

@@ -30,7 +30,9 @@ patternProperties:
           this OPP node. Sometimes several corners/levels shares a certain fuse
           corner/level. A fuse corner/level contains e.g. ref uV, min uV,
           and max uV.
-        $ref: /schemas/types.yaml#/definitions/uint32
+        $ref: /schemas/types.yaml#/definitions/uint32-array
+        minItems: 1
+        maxItems: 2
 
     required:
       - opp-level

drivers/opp/Kconfig

@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config PM_OPP
 	bool
-	select SRCU
 	help
 	  SOCs have a standard set of tuples consisting of frequency and
 	  voltage pairs that the device will support per voltage domain. This

drivers/opp/debugfs.c

@@ -235,7 +235,7 @@ static void opp_migrate_dentry(struct opp_device *opp_dev,
 
 	dentry = debugfs_rename(rootdir, opp_dev->dentry, rootdir,
 				opp_table->dentry_name);
-	if (!dentry) {
+	if (IS_ERR(dentry)) {
 		dev_err(dev, "%s: Failed to rename link from: %s to %s\n",
 			__func__, dev_name(opp_dev->dev), dev_name(dev));
 		return;