[PATCH v2 5/5] DT/arm,gic-v3: add collections-reset-on-suspend property
From: Derek Basehore <hidden>
Date: 2018-01-26 07:38:50
Also in:
linux-pm, 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
This boolean property for the GIC-V3-ITS enables resending the MAP COLLECTIONS commands when resuming for when the state is reset on suspend. Signed-off-by: Derek Basehore <redacted> --- Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
index a470147d4f14..adb958e046d2 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt@@ -81,6 +81,10 @@ Optional: - reset-on-suspend: Boolean property. Indicates that the ITS state is reset on suspend. The state is then saved on suspend and restored on resume. +- collections-reset-on-suspend : Boolean property. If the collections for the + ITS are stored internally instead of externally, the state will be lost if the + GIC loses power. Setting this enables the kernel to reset the collections + state on resume for this ITS node. The main GIC node must contain the appropriate #address-cells, #size-cells and ranges properties for the reg property of all ITS
--
2.16.0.rc1.238.g530d649a79-goog