platform_irq_count(9)

hey bestie! welcome to platform_irq_count(9) from the Kernel API Manual 💖 this is the little function that does a headcount of IRQs for a platform device — and yes, it’s lowkey iconic ✨

🌸 NAME 🌸

platform_irq_count — count the number of IRQs a platform device uses 🎀

✨ SYNOPSIS ✨

here’s the signature, bestie — keep it exactly as-is or the compiler will side-eye you 💅

int platform_irq_count (struct platform_device *dev );

🎀 ARGUMENTS 🎀

• dev — the platform device 🫶

💫 RETURN 💫

the number of IRQs a platform device uses, or EPROBE_DEFER 😭 that’s the whole return vibe, no cap

🦋 SEE ALSO 🦋

the Kernel file is ./drivers/base/platform.c, and the whole platform crew is linked here:

• platform_get_resource(9)
• devm_platform_get_and_ioremap_resource(9)
• devm_platform_ioremap_resource(9)
• devm_platform_ioremap_resource_byname(9)
• platform_get_irq_affinity(9)
• platform_get_irq_optional(9)
• platform_get_irq(9)
• devm_platform_get_irqs_affinity(9)
• platform_get_resource_byname(9)
• platform_get_irq_byname(9)
• platform_get_irq_byname_optional(9)
• platform_add_devices(9)
• platform_device_put(9)
• platform_device_alloc(9)
• platform_device_add_resources(9)
• platform_device_add_data(9)
• platform_device_set_of_node(9)
• platform_device_set_fwnode(9)
• platform_device_set_of_node_from_dev(9)
• platform_device_add(9)
• platform_device_del(9)
• platform_device_register(9)
• platform_device_unregister(9)
• platform_device_register_full(9)
• __platform_driver_register(9)
• platform_driver_unregister(9)
• __platform_driver_probe(9)
• __platform_create_bundle(9)
• __platform_register_drivers(9)
• platform_unregister_drivers(9)
• platform_match(9)
• platform_find_device_by_driver(9)

that’s the page, bestie 🌈 source/version: ./drivers/base; date: October 2026; and yes, we were all here for platform_irq_count(9) 👑 mwah 💅