dma_port_power_cycle(9)

💅 dma_port_power_cycle(9) 💅

okay bestie, welcome to the Kernel API Manual entry for dma_port_power_cycle(9) — manual name folded in right here like a little name tag 🫶.

💖 NAME 💖

dma_port_power_cycle - Power cycles the switch.

🦋 SYNOPSIS 🦋

int dma_port_power_cycle (struct tb_dma_port *dma );

🌸 ARGUMENTS 🌸

• dma — DMA control port.

✨ DESCRIPTION ✨

Triggers power cycle to the switch. That's literally the whole vibe: it kicks off a power cycle to the switch, no cap 💅.

🔥 RETURN 🔥

0 on success, negative errno otherwise.

👑 SEE ALSO 👑

• Kernel file ./drivers/thunderbolt/dma_port.c
• struct tb_dma_port(9)
• dma_port_alloc(9)
• dma_port_free(9)
• dma_port_flash_read(9)
• dma_port_flash_write(9)
• dma_port_flash_update_auth(9)
• dma_port_flash_update_auth_status(9)

and that's the whole page, bestie 🎀 — sourced from ./drivers/thunderbolt and dated October 2026 💖