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| author | Alex Hung <[email protected]> | 2018-02-23 05:43:44 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2018-02-27 16:15:39 +0000 |
| commit | 92d1b381f677cbd2d4370dc3b8d0679b7f0ace32 (patch) | |
| tree | 57e4a0e1660ab639136d4ed3778808dfee08b891 /fs/proc/array.c | |
| parent | Linux 4.16-rc3 (diff) | |
| download | kernel-92d1b381f677cbd2d4370dc3b8d0679b7f0ace32.tar.gz kernel-92d1b381f677cbd2d4370dc3b8d0679b7f0ace32.zip | |
ACPI / PCI: pci_link: Allow the absence of _PRS and change log level
In recent Intel hardware the IRQs become non-configurable after BIOS
initializes them in PEI phase and _PRS objects are no longer included in
ASL.
This is the same as "static (non-configurable) devices do not
specify a _PRS object" in ACPI spec. As a result, error messages
saying "ACPI Exception: AE_NOT_FOUND, Evaluating _PRS" does not need to
be in kernel messenges all the time but only when debug is enabled, and
acpi_pci_link_get_possible should not return -ENODEV when _PRS is
absent.
Signed-off-by: Alex Hung <[email protected]>
Acked-by: Bjorn Helgaas <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Diffstat (limited to 'fs/proc/array.c')
0 files changed, 0 insertions, 0 deletions