Psmode can be forcefully enabled when vdev isn't
started. It isn't guaranteed that mac80211 will
re-issue psmode setting after vdev is started
unless actual bss_conf.ps value has changed.

Even if this doesn't fix any problems now it may
prevent future breakage.

Signed-off-by: Michal Kazior <michal.kaz...@tieto.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c 
b/drivers/net/wireless/ath/ath10k/mac.c
index a060b7708f4a..e25e6a8f44a5 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -6222,6 +6222,13 @@ ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
 
        arvif->is_started = true;
 
+       ret = ath10k_mac_vif_setup_ps(arvif);
+       if (ret) {
+               ath10k_warn(ar, "failed to update vdev %i ps: %d\n",
+                           arvif->vdev_id, ret);
+               goto err_stop;
+       }
+
        if (vif->type == NL80211_IFTYPE_MONITOR) {
                ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, 0, vif->addr);
                if (ret) {
@@ -6239,6 +6246,7 @@ ath10k_mac_op_assign_vif_chanctx(struct ieee80211_hw *hw,
 err_stop:
        ath10k_vdev_stop(arvif);
        arvif->is_started = false;
+       ath10k_mac_vif_setup_ps(arvif);
 
 err:
        mutex_unlock(&ar->conf_mutex);
-- 
2.1.4

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