pdc_tx_list_final(9)

🎀 pdc_tx_list_final(9) 🎀

okay bestie, welcome to the Kernel API Manual page for pdc_tx_list_final(9) — this one is lowkey giving “last frame, final index, let’s go” energy. 💅✨

🌸 NAME 🌸

pdc_tx_list_final — initiate DMA transfer of last frame written to tx ring.

🦋 SYNOPSIS 🦋

int pdc_tx_list_final (struct pdc_state *pdcs );

💖 ARGUMENTS 💖

• pdcs — PDC state for SPU to process the request.

✨ DESCRIPTION ✨

okay so here’s the vibe: this sets the index of the last descriptor written in both the rx and tx ring. both rx and tx, bestie. periodt. 💅

🔥 RETURN 🔥

PDC_SUCCESS

👑 SEE ALSO 👑

the whole fam is here, no cap:

• Kernel file ./drivers/mailbox/bcm-pdc-mailbox.c
• pdc_setup_debugfs(9)
• pdc_build_rxd(9)
• pdc_build_txd(9)
• pdc_receive_one(9)
• pdc_receive(9)
• pdc_tx_list_sg_add(9)
• pdc_rx_list_init(9)
• pdc_rx_list_sg_add(9)
• pdc_irq_handler(9)
• pdc_work_cb(9)
• pdc_ring_init(9)
• pdc_desc_count(9)
• pdc_rings_full(9)
• pdc_last_tx_done(9)
• pdc_send_data(9)
• pdc_hw_init(9)
• pdc_hw_disable(9)
• pdc_rx_buf_pool_create(9)
• pdc_interrupts_init(9)
• pdc_mb_init(9)
• pdc_dt_read(9)
• pdc_probe(9)

xoxo 💖 this iconic little page comes from source/version ./drivers/mailbox, dated October 2026, and it is literally pdc_tx_list_final(9). slay. 🫶