This article will leave no stone unturned. We will explore what acpi prp0001 0 means, why it appears on your system, how it relates to the PRP0001 Hardware ID, and how to debug issues associated with it. Before deciphering prp0001 , we must understand ACPI (Advanced Configuration and Power Interface) .

Notice the trick: The ACPI ID is PRP0001 , but the driver uses a pointer to the OF match table. The kernel then tries each compatible string in the _DSD against that table. Problem: Device not created (error -16 or -19) Step 1: Confirm the device is actually enumerated

Example: drivers/iio/pressure/bmp280.c includes:

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