Thread (42 messages) 42 messages, 7 authors, 2025-08-11
STALE322d REVIEWED: 7 (7M)

[PATCH net-next v2 04/18] dt-bindings: net: cdns,macb: allow dma-coherent

From: Théo Lebrun <theo.lebrun@bootlin.com>
Date: 2025-06-27 09:09:37
Also in: linux-devicetree, linux-mips, linux-riscv, lkml
Subsystem: networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

On EyeQ5, the GEM DMA controller is coherent with the CPU;
allow specifying the information.

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
---
 Documentation/devicetree/bindings/net/cdns,macb.yaml | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml
index 0112dc6aeed68a186f0ee0038f495b0234570427..58f4933ec2ca58432d7eaa017317249b074c9fc7 100644
--- a/Documentation/devicetree/bindings/net/cdns,macb.yaml
+++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml
@@ -113,6 +113,8 @@ properties:
   iommus:
     maxItems: 1
 
+  dma-coherent: true
+
   power-domains:
     maxItems: 1
 
-- 
2.50.0
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