irq_setup_alt_chip(9)

✨ irq_setup_alt_chip(9) ✨

okay so bestie, welcome to the Kernel API Manual 💅 this little page is all about irq_setup_alt_chip, and honestly it's giving "small but mighty" energy.

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🎀 NAME 🎀

irq_setup_alt_chip — switch to the alternative chip, no cap 💫

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🦋 SYNOPSIS 🦋

int irq_setup_alt_chip (struct irq_data *d , unsigned int type );

literally the whole signature, copy it exactly pls 🫶

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🌸 ARGUMENTS 🌸

• d — the irq_data for this interrupt. it's the main character of this call, the irq info bundle you're handing over 🎀
• type — the flow type that's gonna get initialized. this is the vibe you're setting up, iykyk ✨

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💖 DESCRIPTION 💖

so here's the tea ☕ — you can only call this from chip->irq_set_type callbacks.

🚨 like, for real. that's the rule. it's not a suggestion, it's the whole entire constraint. don't be out here calling it from anywhere else 💀

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🔥 SEE ALSO 🔥

the kernel source file lives at ./kernel/irq/generic-chip.c — go be nosy, it's fiiine 👑

and here's the full squad of related functions, all of them, no skips:

irq_gc_noop(9), irq_gc_mask_disable_reg(9), irq_gc_mask_set_bit(9), irq_gc_mask_clr_bit(9), irq_gc_unmask_enable_reg(9), irq_gc_ack_set_bit(9), irq_gc_ack_clr_bit(9), irq_gc_mask_disable_and_ack_set(9), irq_gc_eoi(9), irq_gc_set_wake(9), irq_alloc_generic_chip(9), irq_domain_alloc_generic_chips(9), irq_domain_remove_generic_chips(9), __irq_alloc_domain_generic_chips(9), irq_get_domain_generic_chip(9), irq_setup_generic_chip(9), irq_remove_generic_chip(9)

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aaaand that's the page!! 🧚💜 this beauty comes to you from ./kernel/irq and it's dated October 2026 — put that in your calendar bestie, or don't, it's a manpage footer not a birthday 🎂 slay, bye!! 🎀✨