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| author | Rafael J. Wysocki <rjw@sisk.pl> | 2011-01-07 00:55:09 +0100 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2011-01-14 08:55:41 -0800 |
| commit | 415e12b2379239973feab91850b0dce985c6058a (patch) | |
| tree | aa79c7a87fd30ac13ae3fd146aad5a44e854c4bc /include/linux/pci-acpi.h | |
| parent | 6e8af08dfa40b747002207d3ce8e8b43a050d99f (diff) | |
| download | linux-415e12b2379239973feab91850b0dce985c6058a.tar.gz linux-415e12b2379239973feab91850b0dce985c6058a.tar.bz2 linux-415e12b2379239973feab91850b0dce985c6058a.zip | |
PCI/ACPI: Request _OSC control once for each root bridge (v3)
Move the evaluation of acpi_pci_osc_control_set() (to request control of
PCI Express native features) into acpi_pci_root_add() to avoid calling
it many times for the same root complex with the same arguments.
Additionally, check if all of the requisite _OSC support bits are set
before calling acpi_pci_osc_control_set() for a given root complex.
References: https://bugzilla.kernel.org/show_bug.cgi?id=20232
Reported-by: Ozan Caglayan <ozan@pardus.org.tr>
Tested-by: Ozan Caglayan <ozan@pardus.org.tr>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include/linux/pci-acpi.h')
| -rw-r--r-- | include/linux/pci-acpi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index c8b6473c5f42..479d9bb88e11 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -40,4 +40,10 @@ static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) { return NULL; } #endif +#ifdef CONFIG_ACPI_APEI +extern bool aer_acpi_firmware_first(void); +#else +static inline bool aer_acpi_firmware_first(void) { return false; } +#endif + #endif /* _PCI_ACPI_H_ */ |