iwlwifi: mvm: combine UMAC and LMAC scan_stop functions
authorLuciano Coelho <luciano.coelho@intel.com>
Thu, 7 May 2015 12:23:19 +0000 (15:23 +0300)
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Thu, 28 May 2015 10:35:23 +0000 (13:35 +0300)
The UMAC and LMAC scan_stop functions are now nearly identical, so
they can be combined into a single function instead.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
drivers/net/wireless/iwlwifi/mvm/scan.c

index 4199c60..49bcf7d 100644 (file)
@@ -557,7 +557,7 @@ static bool iwl_mvm_scan_pass_all(struct iwl_mvm *mvm,
        return true;
 }
 
-static int iwl_mvm_send_lmac_scan_abort(struct iwl_mvm *mvm)
+static int iwl_mvm_lmac_scan_abort(struct iwl_mvm *mvm)
 {
        int ret;
        struct iwl_host_cmd cmd = {
@@ -584,36 +584,6 @@ static int iwl_mvm_send_lmac_scan_abort(struct iwl_mvm *mvm)
        return ret;
 }
 
-static int iwl_mvm_lmac_scan_stop(struct iwl_mvm *mvm, int type)
-{
-       int ret;
-       struct iwl_notification_wait wait_scan_done;
-       static const u8 scan_done_notif[] = { SCAN_OFFLOAD_COMPLETE, };
-       bool sched = type & IWL_MVM_SCAN_SCHED;
-
-       lockdep_assert_held(&mvm->mutex);
-
-       iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_done,
-                                  scan_done_notif,
-                                  ARRAY_SIZE(scan_done_notif),
-                                  NULL, NULL);
-
-       ret = iwl_mvm_send_lmac_scan_abort(mvm);
-       if (ret) {
-               IWL_DEBUG_SCAN(mvm, "Send stop %sscan failed %d\n",
-                              sched ? "offloaded " : "", ret);
-               iwl_remove_notification(&mvm->notif_wait, &wait_scan_done);
-               goto out;
-       }
-
-       IWL_DEBUG_SCAN(mvm, "Successfully sent stop %sscan\n",
-                      sched ? "scheduled " : "");
-
-       ret = iwl_wait_notification(&mvm->notif_wait, &wait_scan_done, 1 * HZ);
-out:
-       return ret;
-}
-
 static void iwl_mvm_scan_fill_tx_cmd(struct iwl_mvm *mvm,
                                     struct iwl_scan_req_tx_cmd *tx_cmd,
                                     bool no_cck)
@@ -1465,12 +1435,15 @@ static int iwl_mvm_umac_scan_abort(struct iwl_mvm *mvm, int type)
        return ret;
 }
 
-static int iwl_mvm_umac_scan_stop(struct iwl_mvm *mvm, int type)
+static int iwl_mvm_scan_stop_wait(struct iwl_mvm *mvm, int type)
 {
        struct iwl_notification_wait wait_scan_done;
-       static const u8 scan_done_notif[] = { SCAN_COMPLETE_UMAC, };
+       static const u8 scan_done_notif[] = { SCAN_COMPLETE_UMAC,
+                                             SCAN_OFFLOAD_COMPLETE, };
        int ret;
 
+       lockdep_assert_held(&mvm->mutex);
+
        iwl_init_notification_wait(&mvm->notif_wait, &wait_scan_done,
                                   scan_done_notif,
                                   ARRAY_SIZE(scan_done_notif),
@@ -1478,7 +1451,11 @@ static int iwl_mvm_umac_scan_stop(struct iwl_mvm *mvm, int type)
 
        IWL_DEBUG_SCAN(mvm, "Preparing to stop scan, type %x\n", type);
 
-       ret = iwl_mvm_umac_scan_abort(mvm, type);
+       if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
+               ret = iwl_mvm_umac_scan_abort(mvm, type);
+       else
+               ret = iwl_mvm_lmac_scan_abort(mvm);
+
        if (ret) {
                IWL_DEBUG_SCAN(mvm, "couldn't stop scan type %d\n", type);
                iwl_remove_notification(&mvm->notif_wait, &wait_scan_done);
@@ -1559,11 +1536,7 @@ int iwl_mvm_reg_scan_stop(struct iwl_mvm *mvm)
                goto out;
        }
 
-       if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
-               ret = iwl_mvm_umac_scan_stop(mvm, IWL_MVM_SCAN_REGULAR);
-       else
-               ret = iwl_mvm_lmac_scan_stop(mvm, IWL_MVM_SCAN_REGULAR);
-
+       ret = iwl_mvm_scan_stop_wait(mvm, IWL_MVM_SCAN_REGULAR);
        if (!ret)
                mvm->scan_status |= IWL_MVM_SCAN_STOPPING_REGULAR;
 out:
@@ -1593,11 +1566,7 @@ int iwl_mvm_sched_scan_stop(struct iwl_mvm *mvm, bool notify)
                goto out;
        }
 
-       if (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_UMAC_SCAN)
-               ret = iwl_mvm_umac_scan_stop(mvm, IWL_MVM_SCAN_SCHED);
-       else
-               ret = iwl_mvm_lmac_scan_stop(mvm, IWL_MVM_SCAN_SCHED);
-
+       ret = iwl_mvm_scan_stop_wait(mvm, IWL_MVM_SCAN_SCHED);
        if (!ret)
                mvm->scan_status |= IWL_MVM_SCAN_STOPPING_SCHED;
 out: