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authorRafael J. Wysocki <rjw@sisk.pl>2011-01-07 00:55:09 +0100
committerJesse Barnes <jbarnes@virtuousgeek.org>2011-01-14 08:55:41 -0800
commit415e12b2379239973feab91850b0dce985c6058a (patch)
treeaa79c7a87fd30ac13ae3fd146aad5a44e854c4bc /drivers/pci/pcie/aer
parent6e8af08dfa40b747002207d3ce8e8b43a050d99f (diff)
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 'drivers/pci/pcie/aer')
-rw-r--r--drivers/pci/pcie/aer/aerdrv.c1
-rw-r--r--drivers/pci/pcie/aer/aerdrv.h3
2 files changed, 1 insertions, 3 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 2b2b6508efde..58ad7917553c 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/pci-acpi.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index 9656e3060412..80c11d131499 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -132,7 +132,6 @@ static inline int aer_osc_setup(struct pcie_device *pciedev)
#ifdef CONFIG_ACPI_APEI
extern int pcie_aer_get_firmware_first(struct pci_dev *pci_dev);
-extern bool aer_acpi_firmware_first(void);
#else
static inline int pcie_aer_get_firmware_first(struct pci_dev *pci_dev)
{
@@ -140,8 +139,6 @@ static inline int pcie_aer_get_firmware_first(struct pci_dev *pci_dev)
return pci_dev->__aer_firmware_first;
return 0;
}
-
-static inline bool aer_acpi_firmware_first(void) { return false; }
#endif
static inline void pcie_aer_force_firmware_first(struct pci_dev *pci_dev,