Re: [PATCH v8 10/10] arm64: dts: qcom: sm8250: provide additional MSI interrupts

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, May 12, 2022 at 01:45:45PM +0300, Dmitry Baryshkov wrote:
> On SM8250 each group of MSI interrupts is mapped to the separate host
> interrupt. Describe each of interrupts in the device tree for PCIe0
> host.
> 
> Tested on Qualcomm RB5 platform with first group of MSI interrupts being
> used by the PME and attached ath11k WiFi chip using second group of MSI
> interrupts.
> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sm8250.dtsi | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> index 410272a1e19b..ef683a2f7412 100644
> --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> @@ -1807,8 +1807,15 @@ pcie0: pci@1c00000 {
>  			ranges = <0x01000000 0x0 0x60200000 0 0x60200000 0x0 0x100000>,
>  				 <0x02000000 0x0 0x60300000 0 0x60300000 0x0 0x3d00000>;
>  
> -			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
> -			interrupt-names = "msi";
> +			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
> +				     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "msi", "msi1", "msi2", "msi3", "msi4", "msi5", "msi6", "msi7";

You must use "msi0" instead of "msi" or you only get 32 MSI regardless
of what follows currently (and this wouldn't pass DT validation either).

>  			#interrupt-cells = <1>;
>  			interrupt-map-mask = <0 0 0 0x7>;
>  			interrupt-map = <0 0 0 1 &intc 0 149 IRQ_TYPE_LEVEL_HIGH>, /* int_a */

Johan



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux