Acpi Prp0001 0

Normally, every piece of hardware has a specific, unique ID (like "PNP0A0A" for an ASUS component). However, is a generic ID that tells the operating system: "I don't have a unique ACPI ID, so please look at my software-defined properties to figure out who I am" . Where you will usually see it

It signals to the operating system that it must look inside the ACPI acpi prp0001 0

[ 3.102345] ACPI: PRP0001 device [GPIO0] probing... [ 3.115678] Unable to handle kernel NULL pointer dereference at IRQ mapping Normally, every piece of hardware has a specific,

The OS uses the "compatible" string to match a Linux driver, bypassing the need for a specific, proprietary PCI-style vendor/device ID. Troubleshooting "Unknown Device" (Windows) If you see ACPI\VEN_PRP&DEV_0001 bypassing the need for a specific

So what does acpi prp0001 0 do?