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PCI: xilinx-nwl: Add optional "dma-coherent" property

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Add optional dma-coherent property to support coherent PCIe DMA traffic.

Link: https://lore.kernel.org/r/20210222084732.21521-2-bharat.kumar.gogada@xilinx.com
Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
This commit is contained in:
Bharat Kumar Gogada 2021-02-22 14:17:32 +05:30 committed by Lorenzo Pieralisi
parent 213e122052
commit 1c4422f226
1 changed files with 2 additions and 0 deletions
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2
Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
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@ -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:
++++++++