wl12xx: configure channel/band while FW is off

Initialize the channel and band from mac80211 conf even when the FW is
not yet loaded. This mitigates a bug in AP-mode where the channel was
never changed from its initial setting after FW boot and was therefore
never configured to FW.

Reported-by: Alexander Boukaty <alexanderb@ti.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 9663326c0dfa..5545c3b94d2e 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -1706,7 +1706,12 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed)
         mutex_lock(&wl->mutex);
 
         if (unlikely(wl->state == WL1271_STATE_OFF)) {
-                ret = -EAGAIN;
+                /* we support configuring the channel and band while off */
+                if ((changed & IEEE80211_CONF_CHANGE_CHANNEL)) {
+                        wl->band = conf->channel->band;
+                        wl->channel = channel;
+                }
+
                 goto out;
         }