Re: [PATCH 1/5] arm64: dts: imx8-ss-hsio: Wire up DMA IRQ for PCIe

Frank Li
2025-01-07T15:42:12Z

On Tue, Jan 07, 2025 at 03:01:06PM +0100, Alexander Stein wrote:
> IRQ mapping is already present. Add the missing DMA interrupt.

PCI host side have not use bridge's DMA yet although hardware support it.

Frank

>
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
> ---
> arch/arm64/boot/dts/freescale/imx8-ss-hsio.dtsi | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-hsio.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-hsio.dtsi
> index 70a8aa1a67911..4bdfc15487cbc 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-ss-hsio.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-ss-hsio.dtsi
> @@ -57,8 +57,9 @@ pcieb: pcie@5f010000 {
> ranges = <0x81000000 0 0x00000000 0x8ff80000 0 0x00010000>,
> <0x82000000 0 0x80000000 0x80000000 0 0x0ff00000>;
> #interrupt-cells = <1>;
> - interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
> - interrupt-names = "msi";
> + interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "msi", "dma";
> #address-cells = <3>;
> #size-cells = <2>;
> clocks = <&pcieb_lpcg IMX_LPCG_CLK_6>,
> --
> 2.34.1
>