linux-kernel - Re: [PATCH v5 15/23] ACPI: scan: Update honor list for RPMI System MSI

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Message-ID: <d81310a9-13e8-47b4-8ad7-0f831b5aa9e8@linux.dev>
Date: Fri, 13 Jun 2025 16:08:32 -0700
From: Atish Patra <atish.patra@...ux.dev>
To: Anup Patel <apatel@...tanamicro.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd
 <sboyd@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Jassi Brar <jassisinghbrar@...il.com>,
 Thomas Gleixner <tglx@...utronix.de>, "Rafael J . Wysocki"
 <rafael@...nel.org>, Mika Westerberg <mika.westerberg@...ux.intel.com>,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski
 <brgl@...ev.pl>, Uwe Kleine-König <ukleinek@...nel.org>
Cc: Palmer Dabbelt <palmer@...belt.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Len Brown <lenb@...nel.org>,
 Sunil V L <sunilvl@...tanamicro.com>, Rahul Pathak
 <rpathak@...tanamicro.com>, Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
 Andrew Jones <ajones@...tanamicro.com>,
 Samuel Holland <samuel.holland@...ive.com>, Anup Patel
 <anup@...infault.org>, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 15/23] ACPI: scan: Update honor list for RPMI System
 MSI

On 6/10/25 11:22 PM, Anup Patel wrote:
> From: Sunil V L <sunilvl@...tanamicro.com>
>
> The RPMI System MSI interrupt controller (just like PLIC and APLIC)
> needs to probed prior to devices like GED which use interrupts provided
> by it. Also, it has dependency on the SBI MPXY mailbox device.
>
> Add HIDs of RPMI System MSI and SBI MPXY mailbox devices to the honor
> list so that those dependencies are handled.
>
> Signed-off-by: Sunil V L <sunilvl@...tanamicro.com>
> Signed-off-by: Anup Patel <apatel@...tanamicro.com>
> ---
>   drivers/acpi/scan.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
> index fb1fe9f3b1a3..54181b03b345 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -858,6 +858,8 @@ static const char * const acpi_honor_dep_ids[] = {
>   	"INTC10CF", /* IVSC (MTL) driver must be loaded to allow i2c access to camera sensors */
>   	"RSCV0001", /* RISC-V PLIC */
>   	"RSCV0002", /* RISC-V APLIC */
> +	"RSCV0005", /* RISC-V SBI MPXY MBOX */
> +	"RSCV0006", /* RISC-V RPMI SYSMSI */
>   	"PNP0C0F",  /* PCI Link Device */
>   	NULL
>   };
Reviewed-by: Atish Patra <atishp@...osinc.com>