Qualcomm driver fixes for v6.2

Updated error handling in the async packer router driver made an
 optional property required, fix this. Also improve error handling in the
 probe function of the CPR driver.
 -----BEGIN PGP SIGNATURE-----
 
 iQJJBAABCAAzFiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAmO92vUVHGFuZGVyc3Nv
 bkBrZXJuZWwub3JnAAoJEAsfOT8Nma3FzI4QAKiKW9YFDeknVhqL/JSQN+3xPUio
 vMkruKcE5AIcmlmoufTGJemjGEgPVIAY/lUYsdRW+WBK3fUduA7Mo52VfxTvQF1m
 tKyK+YueQvNNgV3AhodBaCj79LgWHyZeLDa6WZKxnUuRntDp9wPhhuYgZM2koYgZ
 c/19iPyekYRlmpjhMm4nHoEVE9GnwWNHVwjewdjXQkNl1MGCS6DUY32fFjded+Zq
 qShsD/aqebssFJnyO0JR7RkpGx+BFJiZryN6Fp1AnjJtWvswbf1IJQPblQ8KGflU
 d6K+HB3FbXIB7JbdbQDfWZXZI1Pu0+btcQFLXhmsxgbmcjUBu8zW+lizEu1WOaYj
 IOktH+QInGGPqxx7U6DMJ9EBZ0q4xU4eTxz/L25DtkUjwpA0QPBAQ10oOntvm/Fv
 7kEHoXN+X61faymSFlr/iN6xHB8MylYR3O8tF98uigPy/NWatU3bSQqZG2b8i/j2
 j86ojPzdp8oK+0g/q8XVcOgm3H6NWfGxJVfoautdBoJHWYLiHJ30OEV8S413Bi1P
 MIHwWQuWOnwgTJrFbYJfdBJtVes2XQOOajeqZ3S/xI2cPyUG2z9KwAEViOhLkzIX
 GSifYX8ZAeJ9G++GM1Kwqum3NyFgzHYqPiKHYvHEOAVr09rTE+U4SwqD7ts2AAEZ
 CBKIhJSExVAMQehI
 =66gk
 -----END PGP SIGNATURE-----

Merge tag 'qcom-driver-fixes-for-6.2' into drivers-for-6.3

Qualcomm driver fixes for v6.2

Updated error handling in the async packer router driver made an
optional property required, fix this. Also improve error handling in the
probe function of the CPR driver.

Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml

@@ -39,8 +39,8 @@ properties:
   qcom,protection-domain:
     $ref: /schemas/types.yaml#/definitions/string-array
     description: |
-      Protection domain service name and path for APR service
-      possible values are::
+      Protection domain service name and path for APR service (if supported).
+      Possible values are::
       "avs/audio", "msm/adsp/audio_pd".
       "kernel/elf_loader", "msm/modem/wlan_pd".
       "tms/servreg", "msm/adsp/audio_pd".
@@ -49,6 +49,5 @@ properties:
 
 required:
   - reg
-  - qcom,protection-domain
 
 additionalProperties: true

drivers/soc/qcom/apr.c

@@ -461,9 +461,10 @@ static int apr_add_device(struct device *dev, struct device_node *np,
 		goto out;
 	}
 
+	/* Protection domain is optional, it does not exist on older platforms */
 	ret = of_property_read_string_index(np, "qcom,protection-domain",
 					    1, &adev->service_path);
-	if (ret < 0) {
+	if (ret < 0 && ret != -EINVAL) {
 		dev_err(dev, "Failed to read second value of qcom,protection-domain\n");
 		goto out;
 	}

drivers/soc/qcom/cpr.c

@@ -1708,12 +1708,16 @@ static int cpr_probe(struct platform_device *pdev)
 
 	ret = of_genpd_add_provider_simple(dev->of_node, &drv->pd);
 	if (ret)
-		return ret;
+		goto err_remove_genpd;
 
 	platform_set_drvdata(pdev, drv);
 	cpr_debugfs_init(drv);
 
 	return 0;
+
+err_remove_genpd:
+	pm_genpd_remove(&drv->pd);
+	return ret;
 }
 
 static int cpr_remove(struct platform_device *pdev)