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| author | Huacai Chen <chenhuacai@loongson.cn> | 2022-07-20 13:51:29 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-07-20 14:09:21 +0300 |
| commit | 0858ed035a85c3ae79553200d2d818797cf849f5 (patch) | |
| tree | 5f3d1a3411d43dedad1543aab611a73b5817dad4 /arch/loongarch | |
| parent | 023087324000ae704cf3cfd0abf1fc30c6e0e8d5 (diff) | |
| download | linux-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.h | 4 | ||||
| -rw-r--r-- | arch/loongarch/kernel/irq.c | 1 |
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]; |