wl1251: disable power saving in monitor mode

Force power saving off while monitor interface is present.

Signed-off-by: David Gnedt <david.gnedt@davizone.at>
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ti/wl1251/main.c b/drivers/net/wireless/ti/wl1251/main.c
index cda3881..c77c456 100644 (file)
--- a/drivers/net/wireless/ti/wl1251/main.c
+++ b/drivers/net/wireless/ti/wl1251/main.c
@@ -569,6 +569,11 @@ static int wl1251_build_qos_null_data(struct wl1251 *wl)
                                       sizeof(template));
 }
 
+static bool wl1251_can_do_pm(struct ieee80211_conf *conf, struct wl1251 *wl)
+{
+       return (conf->flags & IEEE80211_CONF_PS) && !wl->monitor_present;
+}
+
 static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
 {
        struct wl1251 *wl = hw->priv;
@@ -616,7 +621,7 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
                        goto out_sleep;
        }
 
-       if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) {
+       if (wl1251_can_do_pm(conf, wl) && !wl->psm_requested) {
                wl1251_debug(DEBUG_PSM, "psm enabled");
 
                wl->psm_requested = true;
@@ -632,8 +637,7 @@ static int wl1251_op_config(struct ieee80211_hw *hw, u32 changed)
                ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE);
                if (ret < 0)
                        goto out_sleep;
-       } else if (!(conf->flags & IEEE80211_CONF_PS) &&
-                  wl->psm_requested) {
+       } else if (!wl1251_can_do_pm(conf, wl) && wl->psm_requested) {
                wl1251_debug(DEBUG_PSM, "psm disabled");
 
                wl->psm_requested = false;