From 0172b02926493863e2e3a35f1d7bf13e935e655c Mon Sep 17 00:00:00 2001 From: Wey-Yi Guy Date: Sat, 11 Jun 2011 10:00:05 -0700 Subject: [PATCH] iwlagn: add power_save module parameter Add power_save module parameter to enable power management if needed Default power management is disabled. Signed-off-by: Wey-Yi Guy --- drivers/net/wireless/iwlwifi/iwl-agn.c | 14 +++++++++----- drivers/net/wireless/iwlwifi/iwl-core.h | 1 + 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 1ac6c6475353..b719628b4fc7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2545,11 +2545,10 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, WIPHY_FLAG_DISABLE_BEACON_HINTS | WIPHY_FLAG_IBSS_RSN; - /* - * For now, disable PS by default because it affects - * RX performance significantly. - */ - hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + if (iwlagn_mod_params.power_save) + hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; + else + hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX; /* we create the 802.11 header and a zero-length SSID element */ @@ -3827,6 +3826,11 @@ module_param_named(led_mode, iwlagn_mod_params.led_mode, int, S_IRUGO); MODULE_PARM_DESC(led_mode, "0=system default, " "1=On(RF On)/Off(RF Off), 2=blinking (default: 0)"); +module_param_named(power_save, iwlagn_mod_params.power_save, + bool, S_IRUGO); +MODULE_PARM_DESC(power_save, + "enable WiFi power management (default: disable)"); + /* * For now, keep using power level 1 instead of automatically * adjusting ... diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index a09361dd62dd..6238ac628020 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -163,6 +163,7 @@ struct iwl_mod_params { bool bt_coex_active; /* def: true = enable bt coex */ int led_mode; /* def: 0 = system default */ bool no_sleep_autoadjust; /* def: true = disable autoadjust */ + bool power_save; /* def: false = disable power save */ }; /* -- 2.34.1