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Re: [PATCH 2/2] hw/riscv: virt: fix pmu subnode paths
From: |
Alistair Francis |
Subject: |
Re: [PATCH 2/2] hw/riscv: virt: fix pmu subnode paths |
Date: |
Mon, 8 May 2023 09:16:24 +1000 |
On Fri, Apr 28, 2023 at 7:35 PM Yu Chien Peter Lin
<peterlin@andestech.com> wrote:
>
> The pmu encodes the event to counter mappings and is only used
> by the SBI firmware. Currently, pmu is a subnode of soc but has
> no reg properties included, causing the following failure when
> checked with dt-validate.
>
> /tmp/virt.dtb: soc: pmu: {'riscv,event-to-mhpmcounters': [[1, 1, 524281], [2,
> 2, 524284], [65561, 65561, 524280], [65563, 65563, 524280], [65569, 65569,
> 524280]], 'compatible': ['riscv,pmu']} should not be valid under {'type':
> 'object'}
> From schema:
> /home/peterlin/.local/lib/python3.10/site-packages/dtschema/schemas/simple-bus.yaml
>
> This patch moves the pmu to top level to make the dt-validate happy.
>
> Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> hw/riscv/virt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
> index 4e3efbee16..be8f0cb26e 100644
> --- a/hw/riscv/virt.c
> +++ b/hw/riscv/virt.c
> @@ -731,7 +731,7 @@ static void create_fdt_pmu(RISCVVirtState *s)
> MachineState *ms = MACHINE(s);
> RISCVCPU hart = s->soc[0].harts[0];
>
> - pmu_name = g_strdup_printf("/soc/pmu");
> + pmu_name = g_strdup_printf("/pmu");
> qemu_fdt_add_subnode(ms->fdt, pmu_name);
> qemu_fdt_setprop_string(ms->fdt, pmu_name, "compatible", "riscv,pmu");
> riscv_pmu_generate_fdt_node(ms->fdt, hart.cfg.pmu_num, pmu_name);
> --
> 2.34.1
>
>
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