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| author | Alex Hung <alex.hung@canonical.com> | 2018-02-23 08:43:44 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-02-27 19:15:39 +0300 |
| commit | 92d1b381f677cbd2d4370dc3b8d0679b7f0ace32 (patch) | |
| tree | 57e4a0e1660ab639136d4ed3778808dfee08b891 /drivers/infiniband/hw/mlx4/main.c | |
| parent | 4a3928c6f8a53fa1aed28ccba227742486e8ddcb (diff) | |
| download | linux-92d1b381f677cbd2d4370dc3b8d0679b7f0ace32.tar.xz | |
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 <alex.hung@canonical.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/main.c')
0 files changed, 0 insertions, 0 deletions