[PATCH 1/3] dt-bindings: interrupt-controller: arm,gic-v3-its: Add quirk to support 32 bit addressable range
From: adrianhoyin.ng@altera.com
Date: 2025-05-16 04:14:13
Also in:
linux-devicetree, lkml
Subsystem:
arm generic interrupt controller drivers, irqchip drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Marc Zyngier, Thomas Gleixner, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Adrian Ng Ho Yin <adrianhoyin.ng@altera.com> Add quirk to configure gfp flags to only allocate buffers within 32 bit addressable range to support devices that cannot support the full 64 bit address range. Signed-off-by: Adrian Ng Ho Yin <adrianhoyin.ng@altera.com> Reviewed-by: Matthew Gerlach <redacted> --- .../devicetree/bindings/interrupt-controller/arm,gic-v3.yaml | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml
index f3247a47f9ee..bd20d857c96d 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.yaml@@ -225,6 +225,11 @@ patternProperties: minItems: 2 maxItems: 2 + dma-32bit-quirk: + type: boolean + description: + Set when supported addressable range is only 32 bits. + required: - compatible - msi-controller
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2.49.GIT