[PATCH 1/2] dt-bindings: soc: qcom: apr: Make qcom,protection-domain optional again

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The protection domain functionality exists only in SoCs starting from
MSM8998 [1], while the APR bindings are also used on older platforms.

Commit 41288c305836 ("ASoC: dt-bindings: qcom,apr: Split services to
shared schema") made the "qcom,protection-domain" required but it
should remain optional to avoid dtbs_check warnings on older platforms,
e.g.:

arch/arm64/boot/dts/qcom/apq8096-db820c.dtb:
  apr: service@3: 'qcom,protection-domain' is a required property
  From schema: Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml

[1]: https://lore.kernel.org/all/20200312120842.21991-1-sibis@xxxxxxxxxxxxxx/

Fixes: 41288c305836 ("ASoC: dt-bindings: qcom,apr: Split services to shared schema")
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
---
 .../devicetree/bindings/soc/qcom/qcom,apr-services.yaml      | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
index 290555426c39..bdf482db32aa 100644
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr-services.yaml
+++ b/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
-- 
2.39.0




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