cscfg_csdev_...ctive_config(9)

📦 version 7.3.1, in nixpkgs unstable

✨ NAME ✨

This is the cscfg_csdev_...ctive_config(9) page from the Kernel API Manual, bestie 💖. The function is cscfg_csdev_enable_active_config — it enables the matching active configuration for a device. Periodt.

🛠️ SYNOPSIS 🛠️

int cscfg_csdev_enable_active_config (struct coresight_device *csdev ,
       unsigned long cfg_hash , int preset );

💖 ARGUMENTS 💖

  • csdev — the CoreSight device to program. Like, the actual device getting the config treatment 🫶
  • cfg_hash — the selector for the configuration. It's giving "which config are we talking about?" energy 🔑
  • preset — preset parameter values to use, with 0 meaning current / default values. So 0 is the chill "use what's already there" option ✨

🌸 DESCRIPTION 🌸

Okay so this function enables the configuration selected by cfg_hash if that configuration is supported on the device and has been activated. Both boxes checked, bestie 💅

If it's active and supported, the CoreSight device csdev will be programmed with the configuration, using preset parameters. Slay 🔥

Timing check, no cap: this should be called before driver hardware enable for the requested device, prior to programming and enabling the physical hardware. So yeah — before the hardware gets switched on and programmed, this needs its moment 🌈

🦋 SEE ALSO 🦋

Kernel file: ./drivers/hwtracing/coresight/coresight-syscfg.c

That's the whole page, bestie 💅 Signing off from ./drivers/hwtracing/coresight, dated October 2026, with page cscfg_csdev_...ctive_config(9) — mwah 🎀

📦 where this page comes from