irq_set_irq_type(9)

🌸 NAME 🌸

okay so this is irq_set_irq_type(9) from the Kernel API Manual, and she is literally here to set the irq trigger type for an irq 💅✨

🎀 SYNOPSIS 🎀

the signature is giving exactly this, no cap:

int irq_set_irq_type (unsigned int irq , unsigned int type );

💖 ARGUMENTS 💖

• irq — the irq number, bestie 🔢
• type — an IRQ_TYPE_{LEVEL,EDGE}_* value; see include/linux/irq.h for the whole lore 👀

🦋 SEE ALSO 🦋

these are all hanging out in the kernel file ./kernel/irq/chip.c — go give 'em a follow 🫶:

• irq_set_chip(9)
• irq_set_handler_data(9)
• irq_set_msi_desc_off(9)
• irq_set_msi_desc(9)
• irq_set_chip_data(9)
• irq_disable(9)
• handle_nested_irq(9)
• handle_simple_irq(9)
• handle_untracked_irq(9)
• handle_level_irq(9)
• handle_fasteoi_irq(9)
• handle_fasteoi_nmi(9)
• handle_edge_irq(9)
• handle_percpu_irq(9)
• handle_percpu_devid_irq(9)
• irq_cpu_online(9)
• irq_cpu_offline(9)
• handle_fasteoi_ack_irq(9)
• handle_fasteoi_mask_irq(9)
• irq_chip_set_parent_state(9)
• irq_chip_get_parent_state(9)
• irq_chip_shutdown_parent(9)
• irq_chip_startup_parent(9)
• irq_chip_enable_parent(9)
• irq_chip_disable_parent(9)
• irq_chip_ack_parent(9)
• irq_chip_mask_parent(9)
• irq_chip_mask_ack_parent(9)
• irq_chip_unmask_parent(9)
• irq_chip_eoi_parent(9)
• irq_chip_set_affinity_parent(9)
• irq_chip_set_type_parent(9)
• irq_chip_retrigger_hierarchy(9)
• irq_chip_set_vcpu_affinity_parent(9)
• irq_chip_set_wake_parent(9)
• irq_chip_request_resources_parent(9)
• irq_chip_release_resources_parent(9)
• irq_chip_compose_msi_msg(9)
• irq_chip_pm_get(9)
• irq_chip_pm_put(9)

this page is from ./kernel/irq, dated October 2026 — mwah 💋