* [PATCH 1/1] of: properties of reserved-memory nodes
@ 2020-09-10 16:20 Heinrich Schuchardt
2020-09-10 16:49 ` Grant Likely
2020-09-15 20:26 ` Rob Herring
0 siblings, 2 replies; 3+ messages in thread
From: Heinrich Schuchardt @ 2020-09-10 16:20 UTC (permalink / raw)
To: Rob Herring, Mark Rutland
Cc: devicetree, linux-kernel, Ard Biesheuvel, Grant Likely,
Heinrich Schuchardt
The reusable and the no-map property are mutually exclusive.
Clarify this in the documentation.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
.../devicetree/bindings/reserved-memory/reserved-memory.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
index bac4afa3b197..eb987203548f 100644
--- a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
+++ b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
@@ -64,6 +64,9 @@ reusable (optional) - empty property
system can use that region to store volatile or cached data that
can be otherwise regenerated or migrated elsewhere.
+A node must not carry both the no-map and the reusable property as these are
+logically contradictory.
+
Linux implementation note:
- If a "linux,cma-default" property is present, then Linux will use the
region for the default pool of the contiguous memory allocator.
--
2.28.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1] of: properties of reserved-memory nodes
2020-09-10 16:20 [PATCH 1/1] of: properties of reserved-memory nodes Heinrich Schuchardt
@ 2020-09-10 16:49 ` Grant Likely
2020-09-15 20:26 ` Rob Herring
1 sibling, 0 replies; 3+ messages in thread
From: Grant Likely @ 2020-09-10 16:49 UTC (permalink / raw)
To: Heinrich Schuchardt, Rob Herring, Mark Rutland
Cc: devicetree, linux-kernel, Ard Biesheuvel, nd
On 10/09/2020 17:20, Heinrich Schuchardt wrote:
> The reusable and the no-map property are mutually exclusive.
> Clarify this in the documentation.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Grant Likely <grant.likely@arm.com>
> ---
> .../devicetree/bindings/reserved-memory/reserved-memory.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
> index bac4afa3b197..eb987203548f 100644
> --- a/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
> +++ b/Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
> @@ -64,6 +64,9 @@ reusable (optional) - empty property
> system can use that region to store volatile or cached data that
> can be otherwise regenerated or migrated elsewhere.
>
> +A node must not carry both the no-map and the reusable property as these are
> +logically contradictory.
> +
> Linux implementation note:
> - If a "linux,cma-default" property is present, then Linux will use the
> region for the default pool of the contiguous memory allocator.
> --
> 2.28.0
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1] of: properties of reserved-memory nodes
2020-09-10 16:20 [PATCH 1/1] of: properties of reserved-memory nodes Heinrich Schuchardt
2020-09-10 16:49 ` Grant Likely
@ 2020-09-15 20:26 ` Rob Herring
1 sibling, 0 replies; 3+ messages in thread
From: Rob Herring @ 2020-09-15 20:26 UTC (permalink / raw)
To: Heinrich Schuchardt
Cc: Mark Rutland, Ard Biesheuvel, devicetree, linux-kernel,
Grant Likely, Rob Herring
On Thu, 10 Sep 2020 18:20:20 +0200, Heinrich Schuchardt wrote:
> The reusable and the no-map property are mutually exclusive.
> Clarify this in the documentation.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> ---
> .../devicetree/bindings/reserved-memory/reserved-memory.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
Applied, thanks!
^ permalink raw reply [flat|nested] 3+ messages in thread
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