diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-06 11:44:36 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-06 11:44:36 -0700 |
| commit | 1cfd2bda8c486ae0e7a8005354758ebb68172bca (patch) | |
| tree | 76ce15f377d8d6eb3ae4aa8b8b0b415457e38d36 /drivers/pci/pcie/Kconfig | |
| parent | b57bdda58cda0aaf6def042d101dd85977a286ed (diff) | |
| parent | 763e9db9994e27a7d2cb3701c8a097a867d0e0b4 (diff) | |
Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (30 commits)
PCI: update for owner removal from struct device_attribute
PCI: Fix warnings when CONFIG_DMI unset
PCI: Do not run NVidia quirks related to MSI with MSI disabled
x86/PCI: use for_each_pci_dev()
PCI: use for_each_pci_dev()
PCI: MSI: Restore read_msi_msg_desc(); add get_cached_msi_msg_desc()
PCI: export SMBIOS provided firmware instance and label to sysfs
PCI: Allow read/write access to sysfs I/O port resources
x86/PCI: use host bridge _CRS info on ASRock ALiveSATA2-GLAN
PCI: remove unused HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_{SIZE|BOUNDARY}
PCI: disable mmio during bar sizing
PCI: MSI: Remove unsafe and unnecessary hardware access
PCI: Default PCIe ASPM control to on and require !EMBEDDED to disable
PCI: kernel oops on access to pci proc file while hot-removal
PCI: pci-sysfs: remove casts from void*
ACPI: Disable ASPM if the platform won't provide _OSC control for PCIe
PCI hotplug: make sure child bridges are enabled at hotplug time
PCI hotplug: shpchp: Removed check for hotplug of display devices
PCI hotplug: pciehp: Fixed return value sign for pciehp_unconfigure_device
PCI: Don't enable aspm before drivers have had a chance to veto it
...
Diffstat (limited to 'drivers/pci/pcie/Kconfig')
| -rw-r--r-- | drivers/pci/pcie/Kconfig | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index b8b494b3e0d..dda70981b7a 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -31,14 +31,22 @@ source "drivers/pci/pcie/aer/Kconfig" # PCI Express ASPM # config PCIEASPM - bool "PCI Express ASPM support(Experimental)" - depends on PCI && EXPERIMENTAL && PCIEPORTBUS - default n + bool "PCI Express ASPM control" if EMBEDDED + depends on PCI && PCIEPORTBUS + default y help - This enables PCI Express ASPM (Active State Power Management) and - Clock Power Management. ASPM supports state L0/L0s/L1. + This enables OS control over PCI Express ASPM (Active State + Power Management) and Clock Power Management. ASPM supports + state L0/L0s/L1. - When in doubt, say N. + ASPM is initially set up the the firmware. With this option enabled, + Linux can modify this state in order to disable ASPM on known-bad + hardware or configurations and enable it when known-safe. + + ASPM can be disabled or enabled at runtime via + /sys/module/pcie_aspm/parameters/policy + + When in doubt, say Y. config PCIEASPM_DEBUG bool "Debug PCI Express ASPM" depends on PCIEASPM |