This boolean property for the GIC-V3-ITS enables resending the MAP
COLLECTIONS commands when restoring the GIC on resume.
Change-Id: I03ab8689dace109851a4d2be3abf5fbafb090d27
Signed-off-by: Derek Basehore <dbaseh...@chromium.org>
---
.../devicetree/bindings/interrupt-controller/arm,gic-v3.txt | 7 +++++++
1 file changed, 7 insertions(+)
diff --git
a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
index 820556a8ffd2..1f0d691df9b3 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
@@ -82,6 +82,12 @@ These nodes must have the following properties:
Optional:
- socionext,synquacer-pre-its: (u32, u32) tuple describing the untranslated
address and size of the pre-ITS window.
+- resend-mapc-on-resume : Bool property. If the collections for the ITS
+ are stored in the ITS instead of external memory, 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 state
+ will only be reset if the save-suspend-state boolean is set for the
+ gic.
The main GIC node must contain the appropriate #address-cells,
#size-cells and ranges properties for the reg property of all ITS
@@ -129,6 +135,7 @@ Examples:
its: interrupt-controller@fee20000 {
compatible = "arm,gic-v3-its";
msi-controller;
+ resend-mapc-on-resume;
reg = <0x0 0xfee20000 0x0 0x20000>;
};
--
2.16.0.rc1.238.g530d649a79-goog
