lkml.org 
[lkml]   [2021]   [Feb]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 2/2] PCI: xilinx-nwl: Add optional "dma-coherent" property
Date
Add optional dma-coherent property to support coherent PCIe DMA traffic.

Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
---
Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt b/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
index 01bf7fdf4c19..2d677e90a7e2 100644
--- a/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
@@ -33,6 +33,8 @@ Required properties:
- #address-cells: specifies the number of cells needed to encode an
address. The value must be 0.

+Optional properties:
+- dma-coherent: present if DMA operations are coherent

Example:
++++++++
--
2.17.1
\
 
 \ /
  Last update: 2021-02-22 09:49    [W:0.029 / U:15.112 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site