summaryrefslogtreecommitdiff
path: root/arch/loongarch
diff options
context:
space:
mode:
authorHuacai Chen <chenhuacai@loongson.cn>2022-07-20 13:51:29 +0300
committerMarc Zyngier <maz@kernel.org>2022-07-20 14:09:21 +0300
commit0858ed035a85c3ae79553200d2d818797cf849f5 (patch)
tree5f3d1a3411d43dedad1543aab611a73b5817dad4 /arch/loongarch
parent023087324000ae704cf3cfd0abf1fc30c6e0e8d5 (diff)
downloadlinux-0858ed035a85c3ae79553200d2d818797cf849f5.tar.xz
irqchip/loongson-liointc: Add ACPI init support
LIOINTC stands for "Legacy I/O Interrupts" that described in Section 11.1 of "Loongson 3A5000 Processor Reference Manual". For more information please refer Documentation/loongarch/irq-chip-model.rst. Co-developed-by: Jianmin Lv <lvjianmin@loongson.cn> Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/1658314292-35346-11-git-send-email-lvjianmin@loongson.cn
Diffstat (limited to 'arch/loongarch')
-rw-r--r--arch/loongarch/include/asm/irq.h4
-rw-r--r--arch/loongarch/kernel/irq.c1
2 files changed, 2 insertions, 3 deletions
diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/irq.h
index e9039f2322a4..c847300c4cd1 100644
--- a/arch/loongarch/include/asm/irq.h
+++ b/arch/loongarch/include/asm/irq.h
@@ -105,7 +105,7 @@ struct acpi_madt_lpc_pic;
struct irq_domain *loongarch_cpu_irq_init(void);
-struct irq_domain *liointc_acpi_init(struct irq_domain *parent,
+int liointc_acpi_init(struct irq_domain *parent,
struct acpi_madt_lio_pic *acpi_liointc);
struct irq_domain *eiointc_acpi_init(struct irq_domain *parent,
struct acpi_madt_eio_pic *acpi_eiointc);
@@ -138,7 +138,7 @@ extern struct acpi_madt_msi_pic *acpi_pchmsi[MAX_IO_PICS];
extern struct acpi_madt_bio_pic *acpi_pchpic[MAX_IO_PICS];
extern struct irq_domain *cpu_domain;
-extern struct irq_domain *liointc_domain;
+extern struct fwnode_handle *liointc_handle;
extern struct fwnode_handle *pch_lpc_handle;
extern struct fwnode_handle *pch_pic_handle[MAX_IO_PICS];
diff --git a/arch/loongarch/kernel/irq.c b/arch/loongarch/kernel/irq.c
index 066f892943fe..da131f51225a 100644
--- a/arch/loongarch/kernel/irq.c
+++ b/arch/loongarch/kernel/irq.c
@@ -26,7 +26,6 @@ DEFINE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
EXPORT_PER_CPU_SYMBOL(irq_stat);
struct irq_domain *cpu_domain;
-struct irq_domain *liointc_domain;
struct acpi_vector_group pch_group[MAX_IO_PICS];
struct acpi_vector_group msi_group[MAX_IO_PICS];