linux-kernel - [RFC PATCH v4 19/20] irqchip: riscv-intc: Set ACPI irqmodel

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Message-Id: <20240415170113.662318-20-sunilvl@ventanamicro.com>
Date: Mon, 15 Apr 2024 22:31:12 +0530
From: Sunil V L <sunilvl@...tanamicro.com>
To: linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-acpi@...r.kernel.org,
	linux-pci@...r.kernel.org,
	acpica-devel@...ts.linux.dev
Cc: Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Len Brown <lenb@...nel.org>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Anup Patel <anup@...infault.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Samuel Holland <samuel.holland@...ive.com>,
	Robert Moore <robert.moore@...el.com>,
	Haibo1 Xu <haibo1.xu@...el.com>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Andrew Jones <ajones@...tanamicro.com>,
	Atish Kumar Patra <atishp@...osinc.com>,
	Andrei Warkentin <andrei.warkentin@...el.com>,
	Marc Zyngier <maz@...nel.org>,
	Björn Töpel <bjorn@...nel.org>,
	Sunil V L <sunilvl@...tanamicro.com>
Subject: [RFC PATCH v4 19/20] irqchip: riscv-intc: Set ACPI irqmodel

INTC being the root interrupt controller, set the ACPI irqmodel with
callback function to get the GSI domain id.

Signed-off-by: Sunil V L <sunilvl@...tanamicro.com>
---
 drivers/irqchip/irq-riscv-intc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/irqchip/irq-riscv-intc.c b/drivers/irqchip/irq-riscv-intc.c
index b20272151aed..af7a2f78f0ee 100644
--- a/drivers/irqchip/irq-riscv-intc.c
+++ b/drivers/irqchip/irq-riscv-intc.c
@@ -326,6 +326,10 @@ int acpi_get_imsic_mmio_info(u32 index, struct resource *res)
 	return 0;
 }
 
+static struct fwnode_handle *ext_entc_get_gsi_domain_id(u32 gsi)
+{
+	return riscv_acpi_get_gsi_domain_id(gsi);
+}
 
 static int __init riscv_intc_acpi_init(union acpi_subtable_headers *header,
 				       const unsigned long end)
@@ -366,6 +370,7 @@ static int __init riscv_intc_acpi_init(union acpi_subtable_headers *header,
 		return rc;
 	}
 
+	acpi_set_irq_model(ACPI_IRQ_MODEL_RINTC, ext_entc_get_gsi_domain_id);
 	return 0;
 }
 
-- 
2.40.1