pmdomain core:

- Fix a couple of memory-leaks during genpd init/remove
 
 pmdomain providers:
  - imx: Adjust delay for gpcv2 to fix power up handshake
  - mediatek: Fix DT bindings by adding another nested power-domain layer
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Merge tag 'pmdomain-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm

Pull pmdomain fixes from Ulf Hansson:
 "Core:
   - Fix a couple of memory-leaks during genpd init/remove

  Providers:
   - imx: Adjust delay for gpcv2 to fix power up handshake
   - mediatek: Fix DT bindings by adding another nested power-domain
     layer"

* tag 'pmdomain-v6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
  pmdomain: imx: gpcv2: Adjust delay after power up handshake
  pmdomain: core: Fix error path in pm_genpd_init() when ida alloc fails
  pmdomain: core: Add missing put_device()
  dt-bindings: power: mediatek: Add another nested power-domain layer

Documentation/devicetree/bindings/power/mediatek,power-controller.yaml

@@ -55,6 +55,10 @@ patternProperties:
             patternProperties:
               "^power-domain@[0-9a-f]+$":
                 $ref: "#/$defs/power-domain-node"
+                patternProperties:
+                  "^power-domain@[0-9a-f]+$":
+                    $ref: "#/$defs/power-domain-node"
+                    unevaluatedProperties: false
                 unevaluatedProperties: false
             unevaluatedProperties: false
         unevaluatedProperties: false

drivers/pmdomain/core.c

@@ -2172,8 +2172,24 @@ static int genpd_alloc_data(struct generic_pm_domain *genpd)
 	}
 
 	genpd->gd = gd;
-	return 0;
+	device_initialize(&genpd->dev);
 
+	if (!genpd_is_dev_name_fw(genpd)) {
+		dev_set_name(&genpd->dev, "%s", genpd->name);
+	} else {
+		ret = ida_alloc(&genpd_ida, GFP_KERNEL);
+		if (ret < 0)
+			goto put;
+
+		genpd->device_id = ret;
+		dev_set_name(&genpd->dev, "%s_%u", genpd->name, genpd->device_id);
+	}
+
+	return 0;
+put:
+	put_device(&genpd->dev);
+	if (genpd->free_states == genpd_free_default_power_state)
+		kfree(genpd->states);
 free:
 	if (genpd_is_cpu_domain(genpd))
 		free_cpumask_var(genpd->cpus);
@@ -2183,6 +2199,9 @@ static int genpd_alloc_data(struct generic_pm_domain *genpd)
 
 static void genpd_free_data(struct generic_pm_domain *genpd)
 {
+	put_device(&genpd->dev);
+	if (genpd->device_id != -ENXIO)
+		ida_free(&genpd_ida, genpd->device_id);
 	if (genpd_is_cpu_domain(genpd))
 		free_cpumask_var(genpd->cpus);
 	if (genpd->free_states)
@@ -2271,20 +2290,6 @@ int pm_genpd_init(struct generic_pm_domain *genpd,
 	if (ret)
 		return ret;
 
-	device_initialize(&genpd->dev);
-
-	if (!genpd_is_dev_name_fw(genpd)) {
-		dev_set_name(&genpd->dev, "%s", genpd->name);
-	} else {
-		ret = ida_alloc(&genpd_ida, GFP_KERNEL);
-		if (ret < 0) {
-			put_device(&genpd->dev);
-			return ret;
-		}
-		genpd->device_id = ret;
-		dev_set_name(&genpd->dev, "%s_%u", genpd->name, genpd->device_id);
-	}
-
 	mutex_lock(&gpd_list_lock);
 	list_add(&genpd->gpd_list_node, &gpd_list);
 	mutex_unlock(&gpd_list_lock);
@@ -2325,8 +2330,6 @@ static int genpd_remove(struct generic_pm_domain *genpd)
 	genpd_unlock(genpd);
 	genpd_debug_remove(genpd);
 	cancel_work_sync(&genpd->power_off_work);
-	if (genpd->device_id != -ENXIO)
-		ida_free(&genpd_ida, genpd->device_id);
 	genpd_free_data(genpd);
 
 	pr_debug("%s: removed %s\n", __func__, dev_name(&genpd->dev));

drivers/pmdomain/imx/gpcv2.c

@@ -403,7 +403,7 @@ static int imx_pgc_power_up(struct generic_pm_domain *genpd)
 		 * already reaches target before udelay()
 		 */
 		regmap_read_bypassed(domain->regmap, domain->regs->hsk, &reg_val);
-		udelay(5);
+		udelay(10);
 	}
 
 	/* Disable reset clocks for all devices in the domain */