__cci_contro...rt_by_device(9)

🌸 NAME 🌸

okay bestie, welcome to __cci_contro...rt_by_device(9) from the Kernel API Manual 💖

__cci_control_port_by_device — function to control a CCI port by device reference. no cap, that's the whole name-drop ✨

✨ SYNOPSIS ✨

the signature is giving exactly this, character for character:

int notrace __cci_control_port_by_device (struct device_node *dn , bool
       enable );

🎀 ARGUMENTS 🎀

• dn — device node pointer of the device whose CCI port should be controlled 🫶
• enable — if true enables the port, if false disables it. literally the on/off switch energy 💅

🦋 RETURN 🦋

0 on success, -ENODEV on port look-up failure 😭 that's the whole return vibe.

💜 SEE ALSO 💜

• Kernel file ./drivers/bus/arm-cci.c __cci_ace_get_port(9), cci_port_control(9), cci_disable_port_by_cpu(9), cci_enable_port_for_self(9), __cci_control_port_by_index(9) 👑

mwah 💋 source/version: ./drivers/bus • date: October 2026 • page: __cci_contro...rt_by_device(9) — bye bestie! 🫶