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wl12xx: enter forced-psm on fw change 

Enter forced psm when changing fw, in order to make the
sta a bit more disconnection-persistent.
(DPM doesn't know about the incoming recovery, so it
won't enter psm by itself)

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Eliad Peller 2012-02-06 12:47:56 +02:00 committed by Luciano Coelho
parent 4549d09c57
commit 3dee43930f
1 changed files with 15 additions and 0 deletions
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15
drivers/net/wireless/wl12xx/main.c
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@ -2150,6 +2150,19 @@ static bool wl12xx_need_fw_change(struct wl1271 *wl,
return false;
}
/*
* Enter "forced psm". Make sure the sta is in psm against the ap,
* to make the fw switch a bit more disconnection-persistent.
*/
static void wl12xx_force_active_psm(struct wl1271 *wl)
{
struct wl12xx_vif *wlvif;
wl12xx_for_each_wlvif_sta(wl, wlvif) {
wl1271_ps_set_mode(wl, wlvif, STATION_POWER_SAVE_MODE);
}
}
static int wl1271_op_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
@ -2204,6 +2217,7 @@ static int wl1271_op_add_interface(struct ieee80211_hw *hw,
}
if (wl12xx_need_fw_change(wl, vif_count, true)) {
wl12xx_force_active_psm(wl);
mutex_unlock(&wl->mutex);
wl1271_recovery_work(&wl->recovery_work);
return 0;
@ -2395,6 +2409,7 @@ static void wl1271_op_remove_interface(struct ieee80211_hw *hw,
}
WARN_ON(iter != wlvif);
if (wl12xx_need_fw_change(wl, vif_count, false)) {
wl12xx_force_active_psm(wl);
wl12xx_queue_recovery_work(wl);
cancel_recovery = false;
}