Run:
Thus, is a shorthand reference to the kernel’s struct acpi_device representing the first PRP0001-compatible device. acpi prp0001 0
Last updated: 2025 – This article is evergreen, but kernel versions >6.0 have stable PRP0001 behavior. Always refer to your kernel’s dmesg for exact behavior. Run: Thus, is a shorthand reference to the
To stop duplicating code, Linux kernel developers created the PRP0001 hardware ID. but kernel versions >
The ACPI node is missing the compatible property, so the kernel doesn't know which driver to load. The device is ignored.