From: Esben Haabendal <eha@xxxxxxxx> Gives substantial performance improvement for transfers larger than 16 bytes (DMA_THRESHOLD). Smaller transfers are unaffected. Signed-off-by: Esben Haabendal <eha@xxxxxxxx> --- arch/arm/boot/dts/ls1021a.dtsi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi index c55d479971cc..1e5640701c65 100644 --- a/arch/arm/boot/dts/ls1021a.dtsi +++ b/arch/arm/boot/dts/ls1021a.dtsi @@ -363,6 +363,8 @@ interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>; clock-names = "i2c"; clocks = <&clockgen 4 1>; + dma-names = "tx", "rx"; + dmas = <&edma0 1 39>, <&edma0 1 38>; status = "disabled"; }; @@ -374,6 +376,8 @@ interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>; clock-names = "i2c"; clocks = <&clockgen 4 1>; + dma-names = "tx", "rx"; + dmas = <&edma0 1 37>, <&edma0 1 36>; status = "disabled"; }; @@ -385,6 +389,8 @@ interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>; clock-names = "i2c"; clocks = <&clockgen 4 1>; + dma-names = "tx", "rx"; + dmas = <&edma0 1 35>, <&edma0 1 34>; status = "disabled"; }; -- 2.18.0
