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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 17/01/2022 01:35, Zong Li wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > Add dma-channels property, then we can determine how many channels there > by device tree. > > Signed-off-by: Zong Li > --- > arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 1 + > arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi > index c9f6d205d2ba..3c48f2d7a4a4 100644 > --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi > +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi > @@ -188,6 +188,7 @@ dma@3000000 { > reg = <0x0 0x3000000 0x0 0x8000>; > interrupt-parent = <&plic>; > interrupts = <23 24 25 26 27 28 29 30>; > + dma-channels = <4>; > #dma-cells = <1>; > }; For mpfs: Acked-by: Conor Dooley > > diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi > index 0655b5c4201d..2bdfe7f06e4b 100644 > --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi > +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi > @@ -171,6 +171,7 @@ dma: dma@3000000 { > reg = <0x0 0x3000000 0x0 0x8000>; > interrupt-parent = <&plic0>; > interrupts = <23 24 25 26 27 28 29 30>; > + dma-channels = <4>; > #dma-cells = <1>; > }; > uart1: serial@10011000 { > -- > 2.31.1 > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv