pcc_shutdown(9)

✨ NAME ✨

okay so bestie, meet pcc_shutdown(9) from the Kernel API Manual 💅 this is the function that gets called from Mailbox Controller code — and over here it's used to free the interrupt, periodt. That's the whole vibe: Mailbox Controller says “hey,” and this little icon handles the interrupt-freeing situation. 🫶

🦋 SYNOPSIS 🦋

void pcc_shutdown (struct mbox_chan *chan );

🎀 ARGUMENTS 🎀

• chan — pointer to the Mailbox channel to shutdown. That's the struct mbox_chan * cutie right there, no cap. ✨

🌈 SEE ALSO 🌈

bestie, the rabbit hole continues — peep the kernel file ./drivers/mailbox/pcc.c and these absolute icons:

• struct pcc_chan_reg(9)
• struct pcc_chan_info(9)
• pcc_map_interrupt(9)
• pcc_mbox_irq(9)
• pcc_mbox_request_channel(9)
• pcc_mbox_free_channel(9)
• pcc_send_data(9)
• pcc_startup(9)
• parse_pcc_subspace(9)
• pcc_parse_subspace_irq(9)
• pcc_parse_subspace_db_reg(9)
• pcc_parse_subspace_shmem(9)
• acpi_pcc_probe(9)
• pcc_mbox_probe(9)

mwah 💋 this page's footer cuties: source/version ./drivers/mailbox, date October 2026, and the page name pcc_shutdown(9). bye bestie, slay your kernel journey 🧚‍♀️💖