linux-kernel - [PATCH] irqchip: Select downstream irqchip drivers for LoongArch CPU

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Date:   Mon,  8 Aug 2022 16:53:19 +0800
From:   Huacai Chen <chenhuacai@...ngson.cn>
To:     Thomas Gleixner <tglx@...utronix.de>, Marc Zyngier <maz@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>,
        Huacai Chen <chenhuacai@...il.com>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] irqchip: Select downstream irqchip drivers for LoongArch CPU

LoongArch irqchips have a fixed hierarchy which currently can't be
described by ACPI tables, so upstream irqchip drivers call downstream
irqchip drivers' initialization directly. As a result, the top level
(CPU-level) irqchip driver should explicitly select downstream drivers
to avoid build errors.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Huacai Chen <chenhuacai@...ngson.cn>
---
 drivers/irqchip/Kconfig | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig
index 66b9fa408bf2..2549daa859d6 100644
--- a/drivers/irqchip/Kconfig
+++ b/drivers/irqchip/Kconfig
@@ -561,6 +561,11 @@ config IRQ_LOONGARCH_CPU
 	select GENERIC_IRQ_CHIP
 	select IRQ_DOMAIN
 	select GENERIC_IRQ_EFFECTIVE_AFF_MASK
+	select LOONGSON_LIOINTC
+	select LOONGSON_EIOINTC
+	select LOONGSON_PCH_PIC
+	select LOONGSON_PCH_MSI
+	select LOONGSON_PCH_LPC
 	help
 	  Support for the LoongArch CPU Interrupt Controller. For details of
 	  irq chip hierarchy on LoongArch platforms please read the document
-- 
2.31.1