iwlwifi: pcie: add initial RTPM support for PCI
Add an initial implementation of runtime power management (RTPM) for
PCI devices. With this patch, RTPM is only used when wifi is off
(i.e. the wifi interface is down). This implementation is behind a
new Kconfig flag, IWLWIFI_PCIE_RTPM.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/Kconfig b/drivers/net/wireless/intel/iwlwifi/Kconfig
index 8660677..11932d5 100644
--- a/drivers/net/wireless/intel/iwlwifi/Kconfig
+++ b/drivers/net/wireless/intel/iwlwifi/Kconfig
@@ -99,6 +99,18 @@
If unsure, say N.
+config IWLWIFI_PCIE_RTPM
+ bool "Enable runtime power management mode for PCIe devices"
+ depends on IWLMVM && PM
+ default false
+ help
+ Say Y here to enable runtime power management for PCIe
+ devices. If enabled, the device will go into low power mode
+ when idle for a short period of time, allowing for improved
+ power saving during runtime.
+
+ If unsure, say N.
+
menu "Debugging Options"
config IWLWIFI_DEBUG