tsi721_irqhandler(9)

📦 version 7.3.1, in nixpkgs unstable

💅 tsi721_irqhandler — the Kernel API Manual moment 🎀

okay bestie so this is tsi721_irqhandler(9), from the Kernel API Manual, and honestly? she's the one answering the door when the hardware starts knocking. let's get into it 💖

✨ NAME ✨

tsi721_irqhandler — the Tsi721 interrupt handler, aka the main character of interrupt town 👑

🌸 SYNOPSIS 🌸

irqreturn_t tsi721_irqhandler (int irq , void *ptr );

that's her signature. learn it, love it, literally memorize it 🫶

🦋 ARGUMENTS 🦋

  • irq — the Linux interrupt number. that's it, that's the vibe check for "which interrupt is this" 💫
  • ptr — pointer to interrupt-specific data, and ngl it's the tsi721_device structure. your little bundle of context 🌈

💜 DESCRIPTION 💜

so here's the tea 🍓: this one handles Tsi721 interrupts that get signaled using MSI and INTA. it checks the reported interrupt events and then calls an event-specific handler(s). no cap, that's the whole job — look at what happened, then hand it off to the right handler 🔥

👑 RETURN 👑

it gives you back IRQ_HANDLED or IRQ_NONE. that's the whole menu, periodt 💅

🎀 SEE ALSO 🎀

okay so this is a lot of besties, and every single one of them gets named, because we do not skip the crew 🫶 the kernel file is ./drivers/rapidio/devices/tsi721.c, and the squad is:

like, the whole friend group showed up to the group chat 😭💖

ngl the source directory for this page is ./drivers/rapidio/devices, and she's dated October 2026 — mark your calendars bestie 🗓️✨

and that's the page!! oh and before i forget — the footer said tsi721_irqhandler(9) with the source/version rooted at ./drivers/rapidio/devices and the date October 2026, so there's your cute little sign-off 🎀💜 slay, go handle some interrupts, iykyk 🌟

📦 where this page comes from