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* [PATCH] dt-bindings: arm: firmware: Convert linaro, optee-tz to json schema
@ 2021-04-16 22:25 Nishanth Menon
  2021-04-20  8:32 ` [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz " Jens Wiklander
  2021-04-21 22:52 ` Rob Herring
  0 siblings, 2 replies; 6+ messages in thread
From: Nishanth Menon @ 2021-04-16 22:25 UTC (permalink / raw)
  To: Jens Wiklander, Rob Herring
  Cc: linux-kernel, devicetree, linux-arm-kernel, Nishanth Menon

Convert linaro,optee-tz to json schema format for better documentation
and error checks.

NOTE:
1. This change does introduce a stricter naming convention for
   optee nodes.
2. We do have false positive checkpatch warning with this patch:
   "DT binding docs and includes should be a separate patch"

Signed-off-by: Nishanth Menon <nm@ti.com>
---
 .../bindings/arm/firmware/linaro,optee-tz.txt | 31 ----------
 .../arm/firmware/linaro,optee-tz.yaml         | 62 +++++++++++++++++++
 2 files changed, 62 insertions(+), 31 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
 create mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml

diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
deleted file mode 100644
index d38834c67dff..000000000000
--- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-OP-TEE Device Tree Bindings
-
-OP-TEE is a piece of software using hardware features to provide a Trusted
-Execution Environment. The security can be provided with ARM TrustZone, but
-also by virtualization or a separate chip.
-
-We're using "linaro" as the first part of the compatible property for
-the reference implementation maintained by Linaro.
-
-* OP-TEE based on ARM TrustZone required properties:
-
-- compatible     : should contain "linaro,optee-tz"
-
-- method         : The method of calling the OP-TEE Trusted OS. Permitted
-                   values are:
-
-                   "smc" : SMC #0, with the register assignments specified
-		           in drivers/tee/optee/optee_smc.h
-
-                   "hvc" : HVC #0, with the register assignments specified
-		           in drivers/tee/optee/optee_smc.h
-
-
-
-Example:
-	firmware {
-		optee {
-			compatible = "linaro,optee-tz";
-			method = "smc";
-		};
-	};
diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
new file mode 100644
index 000000000000..6513b5ac8b2c
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/firmware/linaro,optee-tz.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: OP-TEE Device Tree Bindings
+
+maintainers:
+  - Jens Wiklander <jens.wiklander@linaro.org>
+
+description: |
+  OP-TEE is a piece of software using hardware features to provide a Trusted
+  Execution Environment. The security can be provided with ARM TrustZone, but
+  also by virtualization or a separate chip.
+
+  We're using "linaro" as the first part of the compatible property for
+  the reference implementation maintained by Linaro.
+
+properties:
+  $nodename:
+    const: 'optee'
+
+  compatible:
+    const: linaro,optee-tz
+
+  method:
+    description: The method of calling the OP-TEE Trusted OS.
+    oneOf:
+      - description: |
+          SMC #0, with the register assignments specified
+          in drivers/tee/optee/optee_smc.h
+        items:
+          - const: smc
+      - description: |
+          HVC #0, with the register assignments specified
+          in drivers/tee/optee/optee_smc.h
+        items:
+          - const: hvc
+
+required:
+  - compatible
+  - method
+
+additionalProperties: false
+
+examples:
+  - |
+    firmware  {
+        optee  {
+            compatible = "linaro,optee-tz";
+            method = "smc";
+        };
+    };
+
+  - |
+    firmware  {
+        optee  {
+            compatible = "linaro,optee-tz";
+            method = "hvc";
+        };
+    };
-- 
2.31.0


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^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz to json schema
  2021-04-16 22:25 [PATCH] dt-bindings: arm: firmware: Convert linaro, optee-tz to json schema Nishanth Menon
@ 2021-04-20  8:32 ` Jens Wiklander
  2021-04-20 13:49   ` Nishanth Menon
  2021-04-21 22:48   ` Rob Herring
  2021-04-21 22:52 ` Rob Herring
  1 sibling, 2 replies; 6+ messages in thread
From: Jens Wiklander @ 2021-04-20  8:32 UTC (permalink / raw)
  To: Nishanth Menon
  Cc: Rob Herring, Linux Kernel Mailing List, Devicetree List, Linux ARM

On Sat, Apr 17, 2021 at 12:25 AM Nishanth Menon <nm@ti.com> wrote:
>
> Convert linaro,optee-tz to json schema format for better documentation
> and error checks.
>
> NOTE:
> 1. This change does introduce a stricter naming convention for
>    optee nodes.
> 2. We do have false positive checkpatch warning with this patch:
>    "DT binding docs and includes should be a separate patch"
>
> Signed-off-by: Nishanth Menon <nm@ti.com>
> ---
>  .../bindings/arm/firmware/linaro,optee-tz.txt | 31 ----------
>  .../arm/firmware/linaro,optee-tz.yaml         | 62 +++++++++++++++++++
>  2 files changed, 62 insertions(+), 31 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
> deleted file mode 100644
> index d38834c67dff..000000000000
> --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -OP-TEE Device Tree Bindings
> -
> -OP-TEE is a piece of software using hardware features to provide a Trusted
> -Execution Environment. The security can be provided with ARM TrustZone, but
> -also by virtualization or a separate chip.
> -
> -We're using "linaro" as the first part of the compatible property for
> -the reference implementation maintained by Linaro.
> -
> -* OP-TEE based on ARM TrustZone required properties:
> -
> -- compatible     : should contain "linaro,optee-tz"
> -
> -- method         : The method of calling the OP-TEE Trusted OS. Permitted
> -                   values are:
> -
> -                   "smc" : SMC #0, with the register assignments specified
> -                          in drivers/tee/optee/optee_smc.h
> -
> -                   "hvc" : HVC #0, with the register assignments specified
> -                          in drivers/tee/optee/optee_smc.h
> -
> -
> -
> -Example:
> -       firmware {
> -               optee {
> -                       compatible = "linaro,optee-tz";
> -                       method = "smc";
> -               };
> -       };
> diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> new file mode 100644
> index 000000000000..6513b5ac8b2c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/firmware/linaro,optee-tz.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#

Are these links supposed to work?

Thanks,
Jens


> +
> +title: OP-TEE Device Tree Bindings
> +
> +maintainers:
> +  - Jens Wiklander <jens.wiklander@linaro.org>
> +
> +description: |
> +  OP-TEE is a piece of software using hardware features to provide a Trusted
> +  Execution Environment. The security can be provided with ARM TrustZone, but
> +  also by virtualization or a separate chip.
> +
> +  We're using "linaro" as the first part of the compatible property for
> +  the reference implementation maintained by Linaro.
> +
> +properties:
> +  $nodename:
> +    const: 'optee'
> +
> +  compatible:
> +    const: linaro,optee-tz
> +
> +  method:
> +    description: The method of calling the OP-TEE Trusted OS.
> +    oneOf:
> +      - description: |
> +          SMC #0, with the register assignments specified
> +          in drivers/tee/optee/optee_smc.h
> +        items:
> +          - const: smc
> +      - description: |
> +          HVC #0, with the register assignments specified
> +          in drivers/tee/optee/optee_smc.h
> +        items:
> +          - const: hvc
> +
> +required:
> +  - compatible
> +  - method
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    firmware  {
> +        optee  {
> +            compatible = "linaro,optee-tz";
> +            method = "smc";
> +        };
> +    };
> +
> +  - |
> +    firmware  {
> +        optee  {
> +            compatible = "linaro,optee-tz";
> +            method = "hvc";
> +        };
> +    };
> --
> 2.31.0
>

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linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz to json schema
  2021-04-20  8:32 ` [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz " Jens Wiklander
@ 2021-04-20 13:49   ` Nishanth Menon
  2021-04-21 22:48   ` Rob Herring
  1 sibling, 0 replies; 6+ messages in thread
From: Nishanth Menon @ 2021-04-20 13:49 UTC (permalink / raw)
  To: Jens Wiklander
  Cc: Rob Herring, Linux Kernel Mailing List, Devicetree List, Linux ARM

On 10:32-20210420, Jens Wiklander wrote:
[...]
> > diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> > new file mode 100644
> > index 000000000000..6513b5ac8b2c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> > @@ -0,0 +1,62 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/arm/firmware/linaro,optee-tz.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> 
> Are these links supposed to work?

I have'nt seen any of them work.. and I think it was intentional. I am
guessing that someday, eventually it might, typically the path beyond
devicetree.org is either in [1] or [2].

[1] https://github.com/devicetree-org/dt-schema
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings
[...]
-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D)/Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz to json schema
  2021-04-20  8:32 ` [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz " Jens Wiklander
  2021-04-20 13:49   ` Nishanth Menon
@ 2021-04-21 22:48   ` Rob Herring
  1 sibling, 0 replies; 6+ messages in thread
From: Rob Herring @ 2021-04-21 22:48 UTC (permalink / raw)
  To: Jens Wiklander
  Cc: Nishanth Menon, Linux Kernel Mailing List, Devicetree List, Linux ARM

On Tue, Apr 20, 2021 at 10:32:37AM +0200, Jens Wiklander wrote:
> On Sat, Apr 17, 2021 at 12:25 AM Nishanth Menon <nm@ti.com> wrote:
> >
> > Convert linaro,optee-tz to json schema format for better documentation
> > and error checks.
> >
> > NOTE:
> > 1. This change does introduce a stricter naming convention for
> >    optee nodes.
> > 2. We do have false positive checkpatch warning with this patch:
> >    "DT binding docs and includes should be a separate patch"
> >
> > Signed-off-by: Nishanth Menon <nm@ti.com>
> > ---
> >  .../bindings/arm/firmware/linaro,optee-tz.txt | 31 ----------
> >  .../arm/firmware/linaro,optee-tz.yaml         | 62 +++++++++++++++++++
> >  2 files changed, 62 insertions(+), 31 deletions(-)
> >  delete mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
> >  create mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
> > deleted file mode 100644
> > index d38834c67dff..000000000000
> > --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
> > +++ /dev/null
> > @@ -1,31 +0,0 @@
> > -OP-TEE Device Tree Bindings
> > -
> > -OP-TEE is a piece of software using hardware features to provide a Trusted
> > -Execution Environment. The security can be provided with ARM TrustZone, but
> > -also by virtualization or a separate chip.
> > -
> > -We're using "linaro" as the first part of the compatible property for
> > -the reference implementation maintained by Linaro.
> > -
> > -* OP-TEE based on ARM TrustZone required properties:
> > -
> > -- compatible     : should contain "linaro,optee-tz"
> > -
> > -- method         : The method of calling the OP-TEE Trusted OS. Permitted
> > -                   values are:
> > -
> > -                   "smc" : SMC #0, with the register assignments specified
> > -                          in drivers/tee/optee/optee_smc.h
> > -
> > -                   "hvc" : HVC #0, with the register assignments specified
> > -                          in drivers/tee/optee/optee_smc.h
> > -
> > -
> > -
> > -Example:
> > -       firmware {
> > -               optee {
> > -                       compatible = "linaro,optee-tz";
> > -                       method = "smc";
> > -               };
> > -       };
> > diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> > new file mode 100644
> > index 000000000000..6513b5ac8b2c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> > @@ -0,0 +1,62 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/arm/firmware/linaro,optee-tz.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> 
> Are these links supposed to work?

Could possibly some day, but no. Just convention for json-schema.

Rob

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz to json schema
  2021-04-16 22:25 [PATCH] dt-bindings: arm: firmware: Convert linaro, optee-tz to json schema Nishanth Menon
  2021-04-20  8:32 ` [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz " Jens Wiklander
@ 2021-04-21 22:52 ` Rob Herring
  2021-04-22 14:20   ` Nishanth Menon
  1 sibling, 1 reply; 6+ messages in thread
From: Rob Herring @ 2021-04-21 22:52 UTC (permalink / raw)
  To: Nishanth Menon; +Cc: Jens Wiklander, linux-kernel, devicetree, linux-arm-kernel

On Fri, Apr 16, 2021 at 05:25:18PM -0500, Nishanth Menon wrote:
> Convert linaro,optee-tz to json schema format for better documentation
> and error checks.
> 
> NOTE:
> 1. This change does introduce a stricter naming convention for
>    optee nodes.
> 2. We do have false positive checkpatch warning with this patch:
>    "DT binding docs and includes should be a separate patch"

Not really something that needs to be in the commit msg. I'm aware of 
the issue, just haven't gotten around to fixing it.

> Signed-off-by: Nishanth Menon <nm@ti.com>
> ---
>  .../bindings/arm/firmware/linaro,optee-tz.txt | 31 ----------
>  .../arm/firmware/linaro,optee-tz.yaml         | 62 +++++++++++++++++++
>  2 files changed, 62 insertions(+), 31 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
> deleted file mode 100644
> index d38834c67dff..000000000000
> --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -OP-TEE Device Tree Bindings
> -
> -OP-TEE is a piece of software using hardware features to provide a Trusted
> -Execution Environment. The security can be provided with ARM TrustZone, but
> -also by virtualization or a separate chip.
> -
> -We're using "linaro" as the first part of the compatible property for
> -the reference implementation maintained by Linaro.
> -
> -* OP-TEE based on ARM TrustZone required properties:
> -
> -- compatible     : should contain "linaro,optee-tz"
> -
> -- method         : The method of calling the OP-TEE Trusted OS. Permitted
> -                   values are:
> -
> -                   "smc" : SMC #0, with the register assignments specified
> -		           in drivers/tee/optee/optee_smc.h
> -
> -                   "hvc" : HVC #0, with the register assignments specified
> -		           in drivers/tee/optee/optee_smc.h
> -
> -
> -
> -Example:
> -	firmware {
> -		optee {
> -			compatible = "linaro,optee-tz";
> -			method = "smc";
> -		};
> -	};
> diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> new file mode 100644
> index 000000000000..6513b5ac8b2c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml
> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/firmware/linaro,optee-tz.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: OP-TEE Device Tree Bindings
> +
> +maintainers:
> +  - Jens Wiklander <jens.wiklander@linaro.org>
> +
> +description: |
> +  OP-TEE is a piece of software using hardware features to provide a Trusted
> +  Execution Environment. The security can be provided with ARM TrustZone, but
> +  also by virtualization or a separate chip.
> +
> +  We're using "linaro" as the first part of the compatible property for
> +  the reference implementation maintained by Linaro.
> +
> +properties:
> +  $nodename:
> +    const: 'optee'

Don't need quotes.

> +
> +  compatible:
> +    const: linaro,optee-tz
> +
> +  method:
> +    description: The method of calling the OP-TEE Trusted OS.
> +    oneOf:
> +      - description: |
> +          SMC #0, with the register assignments specified
> +          in drivers/tee/optee/optee_smc.h
> +        items:
> +          - const: smc
> +      - description: |
> +          HVC #0, with the register assignments specified
> +          in drivers/tee/optee/optee_smc.h
> +        items:
> +          - const: hvc

Please just do 'enum: [ smc, hvc ]' and rework to a single description.

> +
> +required:
> +  - compatible
> +  - method
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    firmware  {
> +        optee  {
> +            compatible = "linaro,optee-tz";
> +            method = "smc";
> +        };
> +    };
> +
> +  - |
> +    firmware  {
> +        optee  {
> +            compatible = "linaro,optee-tz";
> +            method = "hvc";
> +        };
> +    };
> -- 
> 2.31.0
> 

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^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz to json schema
  2021-04-21 22:52 ` Rob Herring
@ 2021-04-22 14:20   ` Nishanth Menon
  0 siblings, 0 replies; 6+ messages in thread
From: Nishanth Menon @ 2021-04-22 14:20 UTC (permalink / raw)
  To: Rob Herring; +Cc: Jens Wiklander, linux-kernel, devicetree, linux-arm-kernel

On 17:52-20210421, Rob Herring wrote:
> On Fri, Apr 16, 2021 at 05:25:18PM -0500, Nishanth Menon wrote:
> > Convert linaro,optee-tz to json schema format for better documentation
> > and error checks.
> > 
> > NOTE:
> > 1. This change does introduce a stricter naming convention for
> >    optee nodes.
> > 2. We do have false positive checkpatch warning with this patch:
> >    "DT binding docs and includes should be a separate patch"
> 
> Not really something that needs to be in the commit msg. I'm aware of 
> the issue, just haven't gotten around to fixing it.

sure, thanks..
In this patch and my previous patches as well, I will move them all
to diffstat comment.

> > +properties:
> > +  $nodename:
> > +    const: 'optee'
> 
> Don't need quotes.

aarrgh.. yes, ofcourse.
> 
> > +
> > +  compatible:
> > +    const: linaro,optee-tz
> > +
> > +  method:
> > +    description: The method of calling the OP-TEE Trusted OS.
> > +    oneOf:
> > +      - description: |
> > +          SMC #0, with the register assignments specified
> > +          in drivers/tee/optee/optee_smc.h
> > +        items:
> > +          - const: smc
> > +      - description: |
> > +          HVC #0, with the register assignments specified
> > +          in drivers/tee/optee/optee_smc.h
> > +        items:
> > +          - const: hvc
> 
> Please just do 'enum: [ smc, hvc ]' and rework to a single description.

Sure, will do. thanks for the comments.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D)/Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D

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^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2021-04-22 14:22 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-04-16 22:25 [PATCH] dt-bindings: arm: firmware: Convert linaro, optee-tz to json schema Nishanth Menon
2021-04-20  8:32 ` [PATCH] dt-bindings: arm: firmware: Convert linaro,optee-tz " Jens Wiklander
2021-04-20 13:49   ` Nishanth Menon
2021-04-21 22:48   ` Rob Herring
2021-04-21 22:52 ` Rob Herring
2021-04-22 14:20   ` Nishanth Menon

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