Bug 15373
Summary: | Bogus modalias entries in sysfs for sub devices | ||
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Product: | ACPI | Reporter: | Andi Kleen (andi-bz) |
Component: | Config-Hotplug | Assignee: | acpi_config-hotplug |
Status: | CLOSED DOCUMENTED | ||
Severity: | normal | CC: | lenb, mjg59-kernel, rui.zhang |
Priority: | P1 | ||
Hardware: | All | ||
OS: | Linux | ||
URL: | bjorn.helgaas | ||
Kernel Version: | 2.6.32 | Subsystem: | |
Regression: | No | Bisected commit-id: |
Description
Andi Kleen
2010-02-22 12:16:37 UTC
These names (PNPxxxx) are defined in the ACPI scan code, by invoking the _HID method of the ACPI device. And this PNP id is used to bind to ACPI drivers. But unfortunately, not all the ACPI devices have such a method. And some drivers, especially the platform drivers, use certain device/method name as an indicator to bind the ACPI devices, which is not stated in the ACPI spec, and beyond the ACPI core code's scope. For the devices left, "acpi:device" just mean that there is no ACPI driver associated with any of these devices. I don't think there is anything useful can be filled here for these devices. :) Andi, please re-open it if you still have any questions. |