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Setting up ath6kl

Kernel configuration

Starting from Linux kernel 3.2 ath6kl is available from kernel menuconfig:

-> Device Drivers
 -> Network device support (NETDEVICES [=y])
  -> Wireless LAN (WLAN [=y])
   -> Atheros Wireless Cards (ATH_COMMON [=y])
    -> Atheros mobile chipsets support (ATH6KL [=m])

Or alternatively search for CONFIG_ATH6KL.

Suspend

ath6kl supports various suspend which can be controlled with two module parameters, suspend_mode and wow_mode.

suspend_mode makes it possible to force a certain mode when host suspends:

Definion of different suspend modes:

automatic

the suspend mode is chosen based on host hardware capabilities

cutpower

the chip is powered off for maximum power savings and hence resume is slower

deepsleep

the firmware is running on the chip but is kept

wow

if ath6kl is connected to an AP device will maintain the connection with Wake-on-WLAN feature while host is suspended

If wow mode is enabled it's possible to choose different wow submode with wow_mode parameter:

Definion of different wow modes:

default

Chooses the default mode from below which is subject to change.

cutpower

If ath6kl is not connected to an AP the power is cut from the wifi chip. If connected to an AP WoW mode is used.

deepsleep

If ath6kl is not connected to an AP the firmware is put to low power deep sleep state. If connected to an AP WoW mode is used.