From: Reinette Chatre Date: Mon, 14 Dec 2009 22:12:10 +0000 (-0800) Subject: iwl3945: disable power save X-Git-Tag: firefly_0821_release~11625^2~431 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=66c9e44e5740fe9024e3ed02fd66ad6e0e57408f;p=firefly-linux-kernel-4.4.55.git iwl3945: disable power save commit bc45a67079c916a9bd0a95b0b879cc0f259bac6e upstream. we see from http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2125 that power saving does not work well on 3945. Since then power saving has also been connected with association problems where an AP deathenticates a 3945 after it is unable to transmit data to it - this happens when 3945 enters power savings mode. Disable power save support until issues are resolved. Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index f059b49dc691..9d60f6cfa1d5 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -2895,6 +2895,7 @@ static struct iwl_cfg iwl3945_bg_cfg = { .mod_params = &iwl3945_mod_params, .use_isr_legacy = true, .ht_greenfield_support = false, + .broken_powersave = true, }; static struct iwl_cfg iwl3945_abg_cfg = { @@ -2909,6 +2910,7 @@ static struct iwl_cfg iwl3945_abg_cfg = { .mod_params = &iwl3945_mod_params, .use_isr_legacy = true, .ht_greenfield_support = false, + .broken_powersave = true, }; struct pci_device_id iwl3945_hw_card_ids[] = { diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index d00a80334095..9bf94f0e88a8 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -3854,9 +3854,11 @@ static int iwl3945_setup_mac(struct iwl_priv *priv) /* Tell mac80211 our characteristics */ hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM | - IEEE80211_HW_SPECTRUM_MGMT | - IEEE80211_HW_SUPPORTS_PS | - IEEE80211_HW_SUPPORTS_DYNAMIC_PS; + IEEE80211_HW_SPECTRUM_MGMT; + + if (!priv->cfg->broken_powersave) + hw->flags |= IEEE80211_HW_SUPPORTS_PS | + IEEE80211_HW_SUPPORTS_DYNAMIC_PS; hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |