pcmcia_setup_isa_irq(9)

💅 pcmcia_setup_isa_irq — Kernel API Manual, bestie edition ✨

Okay so picture this: you're deep in the kernel, you've got a PCMCIA thing, and you need to know if an ISA IRQ is even available to you. That's the whole vibe of this page. Welcome to the Kernel API Manual entry for pcmcia_setup_isa_irq, no cap. 🫶

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🌸 NAME 🌸

pcmcia_setup_isa_irq — literally just determines whether an ISA IRQ can be used. That's it. That's the function. 💖

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✨ SYNOPSIS ✨

int pcmcia_setup_isa_irq (struct pcmcia_device *p_dev , int type );

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🎀 ARGUMENTS 🎀

• p_dev — the associated PCMCIA device, aka the main character of this whole situation 👑
• type — the IRQ type (flags), iykyk 🌈

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🦋 DESCRIPTION 🦋

🚨 locking note: must be called with ops_mutex locked. Not optional, not a suggestion, fr fr — lock that mutex before you call this or it's giving undefined chaos 😭🔒

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💜 SEE ALSO 💜

Kernel file ./drivers/pcmcia/pcmcia_resource.c plus the whole friend group of related calls:

• release_io_space(9)
• alloc_io_space(9)
• pcmcia_map_mem_page(9)
• pcmcia_fixup_iowidth(9)
• pcmcia_fixup_vpp(9)
• pcmcia_release_configuration(9)
• pcmcia_release_io(9)
• pcmcia_release_window(9)
• pcmcia_enable_device(9)
• pcmcia_request_io(9)
• pcmcia_request_irq(9)
• pcmcia_setup_irq(9)
• pcmcia_request_window(9)
• pcmcia_disable_device(9)

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okay that's the whole page, you ate that 🍓💅 — source lives in ./drivers/pcmcia, dated October 2026, and the page is pcmcia_setup_isa_irq(9). go forth and lock your mutex bestie, mwah 🧚💜