linux-kernel - Re: [PATCH v4 12/13] riscv: dts: renesas: Add Andes PMU extension

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Date:   Fri, 24 Nov 2023 15:07:53 +0000
From:   "Lad, Prabhakar" <prabhakar.csengg@...il.com>
To:     Yu Chien Peter Lin <peterlin@...estech.com>
Cc:     acme@...nel.org, adrian.hunter@...el.com, ajones@...tanamicro.com,
        alexander.shishkin@...ux.intel.com, andre.przywara@....com,
        anup@...infault.org, aou@...s.berkeley.edu, atishp@...shpatra.org,
        conor+dt@...nel.org, conor.dooley@...rochip.com, conor@...nel.org,
        devicetree@...r.kernel.org, dminus@...estech.com,
        evan@...osinc.com, geert+renesas@...der.be, guoren@...nel.org,
        heiko@...ech.de, irogers@...gle.com, jernej.skrabec@...il.com,
        jolsa@...nel.org, jszhang@...nel.org,
        krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org,
        linux-renesas-soc@...r.kernel.org, linux-riscv@...ts.infradead.org,
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        paul.walmsley@...ive.com, peterz@...radead.org,
        prabhakar.mahadev-lad.rj@...renesas.com, rdunlap@...radead.org,
        robh+dt@...nel.org, samuel@...lland.org, sunilvl@...tanamicro.com,
        tglx@...utronix.de, tim609@...estech.com, uwu@...nowy.me,
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        inochiama@...look.com
Subject: Re: [PATCH v4 12/13] riscv: dts: renesas: Add Andes PMU extension

On Wed, Nov 22, 2023 at 12:19 PM Yu Chien Peter Lin
<peterlin@...estech.com> wrote:
>
> xandespmu stands for Andes Performance Monitor Unit extension.
> Based on the added Andes PMU ISA string, the SBI PMU driver
> will make use of the non-standard irq source.
>
> Signed-off-by: Yu Chien Peter Lin <peterlin@...estech.com>
> ---
> Changes v1 -> v2:
>   - New patch
> Changes v2 -> v3:
>   - No change
> Changes v3 -> v4:
>   - No change
> ---
>  arch/riscv/boot/dts/renesas/r9a07g043f.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Cheers,
Prabhakar

> diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
> index 78072e80793d..5f2f2181638a 100644
> --- a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
> +++ b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
> @@ -26,7 +26,7 @@ cpu0: cpu@0 {
>                         riscv,isa = "rv64imafdc";
>                         riscv,isa-base = "rv64i";
>                         riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
> -                                              "zifencei", "zihpm";
> +                                              "zifencei", "zihpm", "xandespmu";
>                         mmu-type = "riscv,sv39";
>                         i-cache-size = <0x8000>;
>                         i-cache-line-size = <0x40>;
> --
> 2.34.1
>
>