[PATCH v2] riscv: dts: starfive: correct number of external interrupts

Palmer Dabbelt palmer at dabbelt.com
Thu Aug 11 14:06:56 PDT 2022


On Thu, 07 Jul 2022 11:55:28 PDT (-0700), kettenis at openbsd.org wrote:
> The PLIC integrated on the Vic_U7_Core integrated on the StarFive
> JH7100 SoC actually supports 133 external interrupts.  127 of these
> are exposed to the outside world; the remainder are used by other
> devices that are part of the core-complex such as the L2 cache
> controller.  But all 133 interrupts are external interrupts as far
> as the PLIC is concerned.  Fix the property so that the driver can
> manage these additional interrupts, which is important since the
> interrupts for the L2 cache controller are enabled by default.
>
> Fixes: ec85362fb121 ("RISC-V: Add initial StarFive JH7100 device tree")
> Signed-off-by: Mark Kettenis <kettenis at openbsd.org>
> ---
>
> ChangeLog:
>
> v2: - Fix commit message
>
>
>  arch/riscv/boot/dts/starfive/jh7100.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
> index 69f22f9aad9d..f48e232a72a7 100644
> --- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
> @@ -118,7 +118,7 @@ plic: interrupt-controller at c000000 {
>  			interrupt-controller;
>  			#address-cells = <0>;
>  			#interrupt-cells = <1>;
> -			riscv,ndev = <127>;
> +			riscv,ndev = <133>;
>  		};
>
>  		clkgen: clock-controller at 11800000 {

Thanks, this is on for-next.



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