linux-kernel - [PATCH 4/8] irqchip/loongson-pch-lpc: guard ACPI init code with CONFIG

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Message-ID: <20260131094547.455916-5-zhengxingda@iscas.ac.cn>
Date: Sat, 31 Jan 2026 17:45:43 +0800
From: Icenowy Zheng <zhengxingda@...as.ac.cn>
To: Thomas Gleixner <tglx@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Huacai Chen <chenhuacai@...nel.org>,
	Jiaxun Yang <jiaxun.yang@...goat.com>
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-mips@...r.kernel.org,
	Icenowy Zheng <zhengxingda@...as.ac.cn>
Subject: [PATCH 4/8] irqchip/loongson-pch-lpc: guard ACPI init code with CONFIG_ACPI

As OF-based initialization is going to be added to the driver, guard the
ACPI-based initialization code with CONFIG_ACPI.

Co-developed-by: Jiaxun Yang <jiaxun.yang@...goat.com>
Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
Signed-off-by: Icenowy Zheng <zhengxingda@...as.ac.cn>
---
 drivers/irqchip/irq-loongson-pch-lpc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/irqchip/irq-loongson-pch-lpc.c b/drivers/irqchip/irq-loongson-pch-lpc.c
index 4507000b991a6..96489e031d34e 100644
--- a/drivers/irqchip/irq-loongson-pch-lpc.c
+++ b/drivers/irqchip/irq-loongson-pch-lpc.c
@@ -225,6 +225,7 @@ static int __init pch_lpc_init(phys_addr_t addr, unsigned long size,
 	return -ENOMEM;
 }
 
+#ifdef CONFIG_ACPI
 int __init pch_lpc_acpi_init(struct irq_domain *parent,
 					struct acpi_madt_lpc_pic *acpi_pchlpc)
 {
@@ -255,3 +256,4 @@ int __init pch_lpc_acpi_init(struct irq_domain *parent,
 
 	return 0;
 }
+#endif /* CONFIG_ACPI */
-- 
2.52.0