| Message ID | 20190905075213.13260-1-lee.jones@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [1/2] dt-bindings: soc: qcom: Provide option to disable DMA | expand |
On Thu, Sep 5, 2019 at 8:52 AM Lee Jones <lee.jones@linaro.org> wrote: > > Used when DMA is not available or the best option. > > Signed-off-by: Lee Jones <lee.jones@linaro.org> > Reviewed-by: Vinod Koul <vkoul@kernel.org> > --- > Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt | 1 + > 1 file changed, 1 insertion(+) If it was me, I'd just turn off DMA. DMA for typical I2C usage seems kind of pointless. However: Acked-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt index dab7ca9f250c..a14889ee76b0 100644 --- a/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.txt @@ -40,6 +40,7 @@ Required properties: Optional property: - clock-frequency: Desired I2C bus clock frequency in Hz. When missing default to 100000Hz. +- qcom,geni-se-no-dma: Prevents the use of DMA in the Geni SE. Child nodes should conform to I2C bus binding as described in i2c.txt.