rtc_handle_legacy_irq(9)

💖 rtc_handle_legacy_irq(9) 💖

okay so bestie, welcome to the Kernel API Manual entry for rtc_handle_legacy_irq(9) — it's the AIE, UIE and PIE event hook, and it's lowkey iconic. Let's get into the lore ✨

✨ NAME ✨

rtc_handle_legacy_irq — AIE, UIE and PIE event hook 🎀

🌸 SYNOPSIS 🌸

void rtc_handle_legacy_irq (struct rtc_device *rtc , int num , int mode
);

🦋 ARGUMENTS 🦋

Here are the three besties this function takes in:

• rtc — pointer to the rtc device
• num — number of occurrence of the event
• mode — type of the event, RTC_AF, RTC_UF or RTC_PF

🌈 DESCRIPTION 🌈

So here's the vibe: this function is called when an AIE, UIE or PIE mode interrupt has occurred (or been emulated). That's it, that's the function — she's the event hook doing her lil thing 💅

👑 SEE ALSO 👑

Kernel file ./drivers/rtc/interface.c is in the mix, plus these faves:

• rtc_read_next_alarm(9)
• rtc_aie_update_irq(9)
• rtc_uie_update_irq(9)
• rtc_pie_update_irq(9)
• rtc_update_irq(9)
• rtc_irq_set_state(9)
• rtc_irq_set_freq(9)
• rtc_timer_enqueue(9)
• rtc_timer_remove(9)
• rtc_timer_do_work(9)
• rtc_read_offset(9)
• rtc_set_offset(9)

Source/version/date tea 🍓: this page comes from ./drivers/rtc, dated October 2026, and it's rtc_handle_legacy_irq(9) in the Kernel API Manual. Stay slay, bestie 💜✨