[tip: irq/drivers] irqchip/loongarch-avec: Prepare for interrupt redirection support

["tip-bot2 for Tianyang Zhang" <tip-bot2@linutronix.de>]

The following commit has been merged into the irq/drivers branch of tip:

Commit-ID:     4b522d3cf4777531023c6d18679ab5a5d3552c04
Gitweb:        https://git.kernel.org/tip/4b522d3cf4777531023c6d18679ab5a5d3552c04
Author:        Tianyang Zhang <zhangtianyang@loongson.cn>
AuthorDate:    Wed, 13 May 2026 09:28:33 +08:00
Committer:     Thomas Gleixner <tglx@kernel.org>
CommitterDate: Wed, 03 Jun 2026 22:28:11 +02:00

irqchip/loongarch-avec: Prepare for interrupt redirection support

Interrupt redirection support requires a new interrupt chip, which needs
to share data structures, constants and functions with the AVECINTC code.

So move them to the header file and make the required functions public.

Signed-off-by: Tianyang Zhang <zhangtianyang@loongson.cn>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://patch.msgid.link/20260513012839.2856463-3-zhangtianyang@loongson.cn
---
 drivers/irqchip/irq-loongarch-avec.c | 12 +-----------
 drivers/irqchip/irq-loongson.h       | 13 +++++++++++++
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/irqchip/irq-loongarch-avec.c b/drivers/irqchip/irq-loongarch-avec.c
index 758262f..2817339 100644
--- a/drivers/irqchip/irq-loongarch-avec.c
+++ b/drivers/irqchip/irq-loongarch-avec.c
@@ -24,7 +24,6 @@
 #define VECTORS_PER_REG		64
 #define IRR_VECTOR_MASK		0xffUL
 #define IRR_INVALID_MASK	0x80000000UL
-#define AVEC_MSG_OFFSET		0x100000
 
 #ifdef CONFIG_SMP
 struct pending_list {
@@ -47,15 +46,6 @@ struct avecintc_chip {
 
 static struct avecintc_chip loongarch_avec;
 
-struct avecintc_data {
-	struct list_head	entry;
-	unsigned int		cpu;
-	unsigned int		vec;
-	unsigned int		prev_cpu;
-	unsigned int		prev_vec;
-	unsigned int		moving;
-};
-
 static inline void avecintc_enable(void)
 {
 #ifdef CONFIG_MACH_LOONGSON64
@@ -87,7 +77,7 @@ static inline void pending_list_init(int cpu)
 	INIT_LIST_HEAD(&plist->head);
 }
 
-static void avecintc_sync(struct avecintc_data *adata)
+void avecintc_sync(struct avecintc_data *adata)
 {
 	struct pending_list *plist;
 
diff --git a/drivers/irqchip/irq-loongson.h b/drivers/irqchip/irq-loongson.h
index 11fa138..f0b6767 100644
--- a/drivers/irqchip/irq-loongson.h
+++ b/drivers/irqchip/irq-loongson.h
@@ -6,6 +6,17 @@
 #ifndef _DRIVERS_IRQCHIP_IRQ_LOONGSON_H
 #define _DRIVERS_IRQCHIP_IRQ_LOONGSON_H
 
+#define AVEC_MSG_OFFSET		0x100000
+
+struct avecintc_data {
+	struct list_head        entry;
+	unsigned int            cpu;
+	unsigned int            vec;
+	unsigned int            prev_cpu;
+	unsigned int            prev_vec;
+	unsigned int            moving;
+};
+
 int find_pch_pic(u32 gsi);
 
 int liointc_acpi_init(struct irq_domain *parent,
@@ -24,4 +35,6 @@ int pch_msi_acpi_init(struct irq_domain *parent,
 					struct acpi_madt_msi_pic *acpi_pchmsi);
 int pch_msi_acpi_init_avec(struct irq_domain *parent);
 
+void avecintc_sync(struct avecintc_data *adata);
+
 #endif /* _DRIVERS_IRQCHIP_IRQ_LOONGSON_H */