[lkml]   [2018]   [Jan]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
Subject[PATCH v3 5/5] DT/arm,gic-v3: add collections-reset-on-suspend property
This boolean property for the GIC-V3-ITS enables resending the MAP
COLLECTIONS commands when resuming for when the state is reset on

Signed-off-by: Derek Basehore <>
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
+- 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
 \ /
  Last update: 2018-01-30 02:01    [W:0.068 / U:0.824 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site