PCI: add PCI Express ASPM support

[deliverable/linux.git] / drivers / pci / pcie / Kconfig

diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig
index 287a9311716c66b98fd06e7a44a3dff43738f27f..25b04fb2517d486137b18cdc619de14075e57ad2 100644 (file)
--- a/drivers/pci/pcie/Kconfig
+++ b/drivers/pci/pcie/Kconfig
@@ -26,3 +26,23 @@ config HOTPLUG_PCI_PCIE
          When in doubt, say N.
 
 source "drivers/pci/pcie/aer/Kconfig"
+
+#
+# PCI Express ASPM
+#
+config PCIEASPM
+       bool "PCI Express ASPM support(Experimental)"
+       depends on PCI && EXPERIMENTAL && PCIEPORTBUS
+       default y
+       help
+         This enables PCI Express ASPM (Active State Power Management) and
+         Clock Power Management. ASPM supports state L0/L0s/L1.
+
+         When in doubt, say N.
+config PCIEASPM_DEBUG
+       bool "Debug PCI Express ASPM"
+       depends on PCIEASPM
+       default n
+       help
+         This enables PCI Express ASPM debug support. It will add per-device
+         interface to control ASPM.