linux-kernel - [RFC PATCH v1 19/21] ACPI: bus: Add PLIC IRQ model

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Date:   Thu,  3 Aug 2023 23:29:14 +0530
From:   Sunil V L <sunilvl@...tanamicro.com>
To:     linux-doc@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-acpi@...r.kernel.org, linux-pci@...r.kernel.org
Cc:     Jonathan Corbet <corbet@....net>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Anup Patel <anup@...infault.org>,
        Marc Zyngier <maz@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Robert Moore <robert.moore@...el.com>,
        Haibo Xu <haibo1.xu@...el.com>,
        Andrew Jones <ajones@...tanamicro.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Atish Kumar Patra <atishp@...osinc.com>,
        Sunil V L <sunilvl@...tanamicro.com>
Subject: [RFC PATCH v1 19/21] ACPI: bus: Add PLIC IRQ model

Add the IRQ model for RISC-V PLIC so that acpi_set_irq_model
can use this for RISC-V.

Signed-off-by: Haibo Xu <haibo1.xu@...el.com>
Signed-off-by: Sunil V L <sunilvl@...tanamicro.com>
---
 drivers/acpi/bus.c   | 3 +++
 include/linux/acpi.h | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index dd9d80630bf6..68b8d38ec48a 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1135,6 +1135,9 @@ static int __init acpi_bus_init_irq(void)
 	case ACPI_IRQ_MODEL_APLIC:
 		message = "APLIC";
 		break;
+	case ACPI_IRQ_MODEL_PLIC:
+		message = "PLIC";
+		break;
 	default:
 		pr_info("Unknown interrupt routing model\n");
 		return -ENODEV;
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 698d120a1bd2..31f080df179d 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -96,6 +96,7 @@ enum acpi_irq_model_id {
 	ACPI_IRQ_MODEL_GIC,
 	ACPI_IRQ_MODEL_LPIC,
 	ACPI_IRQ_MODEL_APLIC,
+	ACPI_IRQ_MODEL_PLIC,
 	ACPI_IRQ_MODEL_COUNT
 };
 
-- 
2.39.2