linux-kernel - Re: [PATCH V3 04/20] ACPI: tables: Print RINTC information when MADT is parsed

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Date:   Fri, 3 Mar 2023 15:58:35 +0100
From:   Andrew Jones <ajones@...tanamicro.com>
To:     Sunil V L <sunilvl@...tanamicro.com>
Cc:     linux-riscv@...ts.infradead.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Jonathan Corbet <corbet@....net>,
        Anup Patel <apatel@...tanamicro.com>,
        Atish Patra <atishp@...osinc.com>,
        'Conor Dooley ' <conor.dooley@...rochip.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH V3 04/20] ACPI: tables: Print RINTC information when MADT
 is parsed

On Fri, Mar 03, 2023 at 07:06:31PM +0530, Sunil V L wrote:
> When MADT is parsed, print RINTC information as below:
> 
> ACPI: RISC-V INTC (acpi_uid[0x0000] hart_id[0x0] enabled)
> ACPI: RISC-V INTC (acpi_uid[0x0001] hart_id[0x1] enabled)
> ...
> ACPI: RISC-V INTC (acpi_uid[0x000f] hart_id[0xf] enabled)
> 
> This debug information will be very helpful during bring up.
> 
> Signed-off-by: Sunil V L <sunilvl@...tanamicro.com>
> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> ---
>  drivers/acpi/tables.c | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
> index 7b4680da57d7..8ab0a82b4da4 100644
> --- a/drivers/acpi/tables.c
> +++ b/drivers/acpi/tables.c
> @@ -220,6 +220,16 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header)
>  		}
>  		break;
>  
> +	case ACPI_MADT_TYPE_RINTC:
> +		{
> +			struct acpi_madt_rintc *p = (struct acpi_madt_rintc *)header;
> +
> +			pr_debug("RISC-V INTC (acpi_uid[0x%04x] hart_id[0x%llx] %s)\n",
> +				 p->uid, p->hart_id,
> +				 (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled");
> +		}
> +		break;
> +
>  	default:
>  		pr_warn("Found unsupported MADT entry (type = 0x%x)\n",
>  			header->type);
> -- 
> 2.34.1
>

Reviewed-by: Andrew Jones <ajones@...tanamicro.com>