Acpi Prp0001 0 May 2026

For an I2C device, ensure the I2C controller driver is bound:

Introduction: The Enigmatic Boot Message If you’ve ever watched the Linux kernel boot with dmesg or journalctl -k , you may have encountered a line that looks something like this: acpi prp0001 0

The Linux kernel parses these tables and creates platform devices, PCI devices, or ACPI-defined devices accordingly. Each device in ACPI has a unique – a string like PNP0501 (legacy serial port) or INT33BD (Intel I2C controller). For an I2C device, ensure the I2C controller

Compile ( iasl ssdt.asl ) and load via cat ssdt.aml > /sys/kernel/config/acpi/table/ssdt1 . For an I2C device