mwl8k: get rid of mwl8k_bss_info_changed() workqueue use

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 77e280a..d5a46a9 100644 (file)
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -2663,58 +2663,62 @@ out:
        return rc;
 }
 
-struct mwl8k_bss_info_changed_worker {
-       struct mwl8k_work_struct header;
-       struct ieee80211_vif *vif;
-       struct ieee80211_bss_conf *info;
-       u32 changed;
-};
-
-static int mwl8k_bss_info_changed_wt(struct work_struct *wt)
+static void mwl8k_bss_info_changed(struct ieee80211_hw *hw,
+                                  struct ieee80211_vif *vif,
+                                  struct ieee80211_bss_conf *info,
+                                  u32 changed)
 {
-       struct mwl8k_bss_info_changed_worker *worker =
-               (struct mwl8k_bss_info_changed_worker *)wt;
-       struct ieee80211_hw *hw = worker->header.hw;
-       struct ieee80211_vif *vif = worker->vif;
-       struct ieee80211_bss_conf *info = worker->info;
-       u32 changed;
-       int rc;
-
        struct mwl8k_priv *priv = hw->priv;
        struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
+       int rc;
+
+       if (changed & BSS_CHANGED_BSSID)
+               memcpy(mwl8k_vif->bssid, info->bssid, ETH_ALEN);
+
+       if ((changed & BSS_CHANGED_ASSOC) == 0)
+               return;
 
-       changed = worker->changed;
        priv->capture_beacon = false;
 
+       rc = mwl8k_fw_lock(hw);
+       if (!rc)
+               return;
+
        if (info->assoc) {
                memcpy(&mwl8k_vif->bss_info, info,
                        sizeof(struct ieee80211_bss_conf));
 
                /* Install rates */
-               if (mwl8k_update_rateset(hw, vif))
-                       goto mwl8k_bss_info_changed_exit;
+               rc = mwl8k_update_rateset(hw, vif);
+               if (rc)
+                       goto out;
 
                /* Turn on rate adaptation */
-               if (mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE,
-                       MWL8K_UCAST_RATE, NULL))
-                       goto mwl8k_bss_info_changed_exit;
+               rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE,
+                       MWL8K_UCAST_RATE, NULL);
+               if (rc)
+                       goto out;
 
                /* Set radio preamble */
-               if (mwl8k_set_radio_preamble(hw, info->use_short_preamble))
-                       goto mwl8k_bss_info_changed_exit;
+               rc = mwl8k_set_radio_preamble(hw, info->use_short_preamble);
+               if (rc)
+                       goto out;
 
                /* Set slot time */
-               if (mwl8k_cmd_set_slot(hw, info->use_short_slot))
-                       goto mwl8k_bss_info_changed_exit;
+               rc = mwl8k_cmd_set_slot(hw, info->use_short_slot);
+               if (rc)
+                       goto out;
 
                /* Update peer rate info */
-               if (mwl8k_cmd_update_sta_db(hw, vif,
-                               MWL8K_STA_DB_MODIFY_ENTRY))
-                       goto mwl8k_bss_info_changed_exit;
+               rc = mwl8k_cmd_update_sta_db(hw, vif,
+                               MWL8K_STA_DB_MODIFY_ENTRY);
+               if (rc)
+                       goto out;
 
                /* Set AID */
-               if (mwl8k_cmd_set_aid(hw, vif))
-                       goto mwl8k_bss_info_changed_exit;
+               rc = mwl8k_cmd_set_aid(hw, vif);
+               if (rc)
+                       goto out;
 
                /*
                 * Finalize the join.  Tell rx handler to process
@@ -2723,43 +2727,14 @@ static int mwl8k_bss_info_changed_wt(struct work_struct *wt)
                memcpy(priv->capture_bssid, mwl8k_vif->bssid, ETH_ALEN);
                priv->capture_beacon = true;
        } else {
-               mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY);
+               rc = mwl8k_cmd_update_sta_db(hw, vif, MWL8K_STA_DB_DEL_ENTRY);
                memset(&mwl8k_vif->bss_info, 0,
                        sizeof(struct ieee80211_bss_conf));
                memset(mwl8k_vif->bssid, 0, ETH_ALEN);
        }
 
-mwl8k_bss_info_changed_exit:
-       rc = 0;
-       return rc;
-}
-
-static void mwl8k_bss_info_changed(struct ieee80211_hw *hw,
-                                  struct ieee80211_vif *vif,
-                                  struct ieee80211_bss_conf *info,
-                                  u32 changed)
-{
-       struct mwl8k_bss_info_changed_worker *worker;
-       struct mwl8k_vif *mv_vif = MWL8K_VIF(vif);
-       int rc;
-
-       if (changed & BSS_CHANGED_BSSID)
-               memcpy(mv_vif->bssid, info->bssid, ETH_ALEN);
-
-       if ((changed & BSS_CHANGED_ASSOC) == 0)
-               return;
-
-       worker = kzalloc(sizeof(*worker), GFP_KERNEL);
-       if (worker == NULL)
-               return;
-
-       worker->vif = vif;
-       worker->info = info;
-       worker->changed = changed;
-       rc = mwl8k_queue_work(hw, &worker->header, mwl8k_bss_info_changed_wt);
-       kfree(worker);
-       if (rc == -ETIMEDOUT)
-               printk(KERN_ERR "%s() timed out\n", __func__);
+out:
+       mwl8k_fw_unlock(hw);
 }
 
 static u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw,