From 78f5fb7fc6c2c668a12fd6892c18baa20e4ffd27 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 25 Sep 2009 14:24:27 -0700 Subject: [PATCH] iwlwifi: support idle for 6000 series hw Using powersave while idle saves a lot of power, but we've had problems with this on some cards (5150 has been reported to be problematic). However, on the new 6000 series we're seeing no problems, so for now let that hardware benefit from idle mode, we can look at the problems with other hardware one by one and then enable those once we figure out the problems. Signed-off-by: Johannes Berg Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-6000.c | 10 ++++++++++ drivers/net/wireless/iwlwifi/iwl-core.c | 3 ++- drivers/net/wireless/iwlwifi/iwl-core.h | 1 + drivers/net/wireless/iwlwifi/iwl-power.c | 3 +++ 4 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index ad5d77c9649..6f4ee27e07c 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -254,6 +254,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = { .led_compensation = 51, .use_rts_for_ht = true, /* use rts/cts protection */ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6000h_2abg_cfg = { @@ -276,6 +277,7 @@ struct iwl_cfg iwl6000h_2abg_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6000h_2bg_cfg = { @@ -298,6 +300,7 @@ struct iwl_cfg iwl6000h_2bg_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; /* @@ -324,6 +327,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = { .led_compensation = 51, .use_rts_for_ht = true, /* use rts/cts protection */ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6000i_2abg_cfg = { @@ -346,6 +350,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6000i_2bg_cfg = { @@ -368,6 +373,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6050_2agn_cfg = { @@ -391,6 +397,7 @@ struct iwl_cfg iwl6050_2agn_cfg = { .led_compensation = 51, .use_rts_for_ht = true, /* use rts/cts protection */ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6050_2abg_cfg = { @@ -413,6 +420,7 @@ struct iwl_cfg iwl6050_2abg_cfg = { .ht_greenfield_support = true, .led_compensation = 51, .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6000_3agn_cfg = { @@ -436,6 +444,7 @@ struct iwl_cfg iwl6000_3agn_cfg = { .led_compensation = 51, .use_rts_for_ht = true, /* use rts/cts protection */ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; struct iwl_cfg iwl6050_3agn_cfg = { @@ -459,6 +468,7 @@ struct iwl_cfg iwl6050_3agn_cfg = { .led_compensation = 51, .use_rts_for_ht = true, /* use rts/cts protection */ .chain_noise_num_beacons = IWL_CAL_NUM_BEACONS, + .supports_idle = true, }; MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX)); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index e97b104ba1d..1cf2e04fe3f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -2650,7 +2650,8 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) iwl_set_rate(priv); } - if (changed & IEEE80211_CONF_CHANGE_PS) { + if (changed & (IEEE80211_CONF_CHANGE_PS | + IEEE80211_CONF_CHANGE_IDLE)) { ret = iwl_power_update_mode(priv, false); if (ret) IWL_DEBUG_MAC80211(priv, "Error setting sleep level\n"); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index b66bf7b4b0a..744f0cac685 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -265,6 +265,7 @@ struct iwl_cfg { const bool broken_powersave; bool use_rts_for_ht; int chain_noise_num_beacons; + const bool supports_idle; }; /*************************** diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c index 60be976afff..e50d77bd7aa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-power.c +++ b/drivers/net/wireless/iwlwifi/iwl-power.c @@ -294,6 +294,9 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force) if (priv->cfg->broken_powersave) iwl_power_sleep_cam_cmd(priv, &cmd); + else if (priv->cfg->supports_idle && + priv->hw->conf.flags & IEEE80211_CONF_IDLE) + iwl_static_sleep_cmd(priv, &cmd, IWL_POWER_INDEX_5, 20); else if (tt->state >= IWL_TI_1) iwl_static_sleep_cmd(priv, &cmd, tt->tt_power_mode, dtimper); else if (!enabled) -- 2.41.0