On 16/01/2023 15:54, Jon Hunter wrote: > DMA operations for XUSB device controller are coherent for Tegra194 and > so update the device-tree binding to add this property. > > Fixes: 394b012a422d ("dt-bindings: usb: tegra-xudc: Add Tegra194 XUSB controller support") > No blank lines between the tags. If this is a fix, you need to describe the observed issue or bug. Commit suggests this is just adding some missing piece, so not a fix for a bug. > Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx> > --- > .../devicetree/bindings/usb/nvidia,tegra-xudc.yaml | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml > index f6cb19efd98b..4ef88d38fa3a 100644 > --- a/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml > +++ b/Documentation/devicetree/bindings/usb/nvidia,tegra-xudc.yaml > @@ -112,6 +112,8 @@ properties: > hvdd-usb-supply: > description: USB controller power supply. Must supply 3.3 V. > > + dma-coherent: true > + > required: > - compatible > - reg > @@ -164,6 +166,16 @@ allOf: > clock-names: > maxItems: 4 > > + - if: > + properties: > + compatible: > + contains: > + enum: > + - nvidia,tegra194-xudc > + then: > + required: > + - dma-coherent > + > additionalProperties: false > > examples: Best regards, Krzysztof