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-rw-r--r--Documentation/devicetree/bindings/dma/stm32/st,stm32-dma3.yaml3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/dma/stm32/st,stm32-dma3.yaml b/Documentation/devicetree/bindings/dma/stm32/st,stm32-dma3.yaml
index 5484848735f8..36f9fe860eb9 100644
--- a/Documentation/devicetree/bindings/dma/stm32/st,stm32-dma3.yaml
+++ b/Documentation/devicetree/bindings/dma/stm32/st,stm32-dma3.yaml
@@ -99,6 +99,9 @@ properties:
-bit 16: Prevent packing/unpacking mode
0x0: pack/unpack enabled when source data width/burst != destination data width/burst
0x1: memory data width/burst forced to peripheral data width/burst to prevent pack/unpack
+ -bit 17: Prevent additional transfers due to linked-list refactoring
+ 0x0: don't prevent additional transfers for optimal performance
+ 0x1: prevent additional transfer to accommodate user constraints such as single transfer
required:
- compatible