From e332e2a29448065bbdf298d4dc21ed4cc3bebb3f Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Sun, 18 Jun 2017 11:12:42 -0500 Subject: [PATCH] rtlwifi: Correct power save capability while init mac80211 Since the driver itself will enter power saving mode dynamically according to the traffic, we set hw capability SUPPORTS_PS and SUPPORTS_DYNAMIC_PS in case of fwctrl_lps. The process IEEE80211_CONF_CHANGE_PS in op_config is used by SW-LPS only, so we add constraints to avoid errors. Signed-off-by: Ping-Ke Shih Signed-off-by: vincent_fann Signed-off-by: shaofu Signed-off-by: Larry Finger Signed-off-by: Yan-Hsuan Chuang Signed-off-by: Kalle Valo --- drivers/net/wireless/realtek/rtlwifi/base.c | 4 ++++ drivers/net/wireless/realtek/rtlwifi/core.c | 3 ++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index bdc379178e87..6415ec03008f 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -405,6 +405,10 @@ static void _rtl_init_mac80211(struct ieee80211_hw *hw) ieee80211_hw_set(hw, SUPPORTS_PS); ieee80211_hw_set(hw, PS_NULLFUNC_STACK); } + if (rtlpriv->psc.fwctrl_lps) { + ieee80211_hw_set(hw, SUPPORTS_PS); + ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS); + } hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_STATION) | diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c index a4f8e326a2bc..5053d8c73e29 100644 --- a/drivers/net/wireless/realtek/rtlwifi/core.c +++ b/drivers/net/wireless/realtek/rtlwifi/core.c @@ -629,7 +629,8 @@ static int rtl_op_config(struct ieee80211_hw *hw, u32 changed) } /*For LPS */ - if (changed & IEEE80211_CONF_CHANGE_PS) { + if ((changed & IEEE80211_CONF_CHANGE_PS) && + rtlpriv->psc.swctrl_lps && !rtlpriv->psc.fwctrl_lps) { cancel_delayed_work(&rtlpriv->works.ps_work); cancel_delayed_work(&rtlpriv->works.ps_rfon_wq); if (conf->flags & IEEE80211_CONF_PS) { -- 2.11.0