diff options
| author |   Huacai Chen <chenhuacai@loongson.cn> | 2022-07-20 18:51:27 +0800 |
|---|---|---|
| committer |   Marc Zyngier <maz@kernel.org> | 2022-07-20 12:09:20 +0100 |
| commit | bcdd75c596c89d7925a3438fde2578ca23a62b06 (patch) | |
| tree | 6a083d272f95ce9572f28aea76b0824d77d293aa /arch/loongarch | |
| parent | irqchip: Add Loongson PCH LPC controller support (diff) | |
| download | linux-dev-bcdd75c596c89d7925a3438fde2578ca23a62b06.tar.xz linux-dev-bcdd75c596c89d7925a3438fde2578ca23a62b06.zip | |
irqchip/loongson-pch-pic: Add ACPI init support
PCH-PIC/PCH-MSI stands for "Interrupt Controller" that described in
Section 5 of "Loongson 7A1000 Bridge User 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/1658314292-35346-9-git-send-email-lvjianmin@loongson.cn
Diffstat (limited to 'arch/loongarch')
| -rw-r--r-- | arch/loongarch/include/asm/irq.h | 5 | ||||
| -rw-r--r-- | arch/loongarch/kernel/irq.c | 1 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/loongarch/include/asm/irq.h b/arch/loongarch/include/asm/irq.h index 76a7b364f58b..9549806858bd 100644 --- a/arch/loongarch/include/asm/irq.h +++ b/arch/loongarch/include/asm/irq.h @@ -116,8 +116,9 @@ int pch_lpc_acpi_init(struct irq_domain *parent, struct acpi_madt_lpc_pic *acpi_pchlpc); struct irq_domain *pch_msi_acpi_init(struct irq_domain *parent, struct acpi_madt_msi_pic *acpi_pchmsi); -struct irq_domain *pch_pic_acpi_init(struct irq_domain *parent, +int pch_pic_acpi_init(struct irq_domain *parent, struct acpi_madt_bio_pic *acpi_pchpic); +int find_pch_pic(u32 gsi); extern struct acpi_madt_lio_pic *acpi_liointc; extern struct acpi_madt_eio_pic *acpi_eiointc[MAX_IO_PICS]; @@ -131,7 +132,7 @@ extern struct irq_domain *cpu_domain; extern struct irq_domain *liointc_domain; extern struct fwnode_handle *pch_lpc_handle; extern struct irq_domain *pch_msi_domain[MAX_IO_PICS]; -extern struct irq_domain *pch_pic_domain[MAX_IO_PICS]; +extern struct fwnode_handle *pch_pic_handle[MAX_IO_PICS]; extern irqreturn_t loongson3_ipi_interrupt(int irq, void *dev); diff --git a/arch/loongarch/kernel/irq.c b/arch/loongarch/kernel/irq.c index 181504ba7e90..575b8de08289 100644 --- a/arch/loongarch/kernel/irq.c +++ b/arch/loongarch/kernel/irq.c @@ -28,7 +28,6 @@ EXPORT_PER_CPU_SYMBOL(irq_stat); struct irq_domain *cpu_domain; struct irq_domain *liointc_domain; struct irq_domain *pch_msi_domain[MAX_IO_PICS]; -struct irq_domain *pch_pic_domain[MAX_IO_PICS]; struct acpi_vector_group pch_group[MAX_IO_PICS]; struct acpi_vector_group msi_group[MAX_IO_PICS]; |