iwlegacy: remove reset rf infrastructure

We do not reset radio anymore, hence don't need that code too.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 30 insertions, 60 deletions

diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
index 3be76bd5499a..240d3a80c7bc 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.c
+++ b/drivers/net/wireless/iwlegacy/iwl-core.c
@@ -1707,41 +1707,14 @@ iwl_legacy_update_stats(struct iwl_priv *priv, bool is_tx, __le16 fc, u16 len)
 EXPORT_SYMBOL(iwl_legacy_update_stats);
 #endif
 
-static void _iwl_legacy_force_rf_reset(struct iwl_priv *priv)
-{
-        if (test_bit(STATUS_EXIT_PENDING, &priv->status))
-                return;
-
-        if (!iwl_legacy_is_any_associated(priv)) {
-                IWL_DEBUG_SCAN(priv, "force reset rejected: not associated\n");
-                return;
-        }
-        /*
-         * There is no easy and better way to force reset the radio,
-         * the only known method is switching channel which will force to
-         * reset and tune the radio.
-         * Use internal short scan (single channel) operation to should
-         * achieve this objective.
-         * Driver should reset the radio when number of consecutive missed
-         * beacon, or any other uCode error condition detected.
-         */
-        IWL_DEBUG_INFO(priv, "perform radio reset.\n");
-        iwl_legacy_internal_short_hw_scan(priv);
-}
-
-
-int iwl_legacy_force_reset(struct iwl_priv *priv, int mode, bool external)
+int iwl_legacy_force_reset(struct iwl_priv *priv, bool external)
 {
         struct iwl_force_reset *force_reset;
 
         if (test_bit(STATUS_EXIT_PENDING, &priv->status))
                 return -EINVAL;
 
-        if (mode >= IWL_MAX_FORCE_RESET) {
-                IWL_DEBUG_INFO(priv, "invalid reset request.\n");
-                return -EINVAL;
-        }
-        force_reset = &priv->force_reset[mode];
+        force_reset = &priv->force_reset;
         force_reset->reset_request_count++;
         if (!external) {
                 if (force_reset->last_force_reset_jiffies &&
@@ -1754,37 +1727,34 @@ int iwl_legacy_force_reset(struct iwl_priv *priv, int mode, bool external)
         }
         force_reset->reset_success_count++;
         force_reset->last_force_reset_jiffies = jiffies;
-        IWL_DEBUG_INFO(priv, "perform force reset (%d)\n", mode);
-        switch (mode) {
-        case IWL_RF_RESET:
-                _iwl_legacy_force_rf_reset(priv);
-                break;
-        case IWL_FW_RESET:
-                /*
-                 * if the request is from external(ex: debugfs),
-                 * then always perform the request in regardless the module
-                 * parameter setting
-                 * if the request is from internal (uCode error or driver
-                 * detect failure), then fw_restart module parameter
-                 * need to be check before performing firmware reload
-                 */
-                if (!external && !priv->cfg->mod_params->restart_fw) {
-                        IWL_DEBUG_INFO(priv, "Cancel firmware reload based on "
-                                       "module parameter setting\n");
-                        break;
-                }
-                IWL_ERR(priv, "On demand firmware reload\n");
-                /* Set the FW error flag -- cleared on iwl_down */
-                set_bit(STATUS_FW_ERROR, &priv->status);
-                wake_up_interruptible(&priv->wait_command_queue);
-                /*
-                 * Keep the restart process from trying to send host
-                 * commands by clearing the INIT status bit
-                 */
-                clear_bit(STATUS_READY, &priv->status);
-                queue_work(priv->workqueue, &priv->restart);
-                break;
+
+        /*
+         * if the request is from external(ex: debugfs),
+         * then always perform the request in regardless the module
+         * parameter setting
+         * if the request is from internal (uCode error or driver
+         * detect failure), then fw_restart module parameter
+         * need to be check before performing firmware reload
+         */
+
+        if (!external && !priv->cfg->mod_params->restart_fw) {
+                IWL_DEBUG_INFO(priv, "Cancel firmware reload based on "
+                               "module parameter setting\n");
+                return 0;
         }
+
+        IWL_ERR(priv, "On demand firmware reload\n");
+
+        /* Set the FW error flag -- cleared on iwl_down */
+        set_bit(STATUS_FW_ERROR, &priv->status);
+        wake_up_interruptible(&priv->wait_command_queue);
+        /*
+         * Keep the restart process from trying to send host
+         * commands by clearing the INIT status bit
+         */
+        clear_bit(STATUS_READY, &priv->status);
+        queue_work(priv->workqueue, &priv->restart);
+
         return 0;
 }
 
@@ -1879,7 +1849,7 @@ static int iwl_legacy_check_stuck_queue(struct iwl_priv *priv, int cnt)
         if (time_after(jiffies, timeout)) {
                 IWL_ERR(priv, "Queue %d stuck for %u ms.\n",
                                 q->id, priv->cfg->base_params->wd_timeout);
-                ret = iwl_legacy_force_reset(priv, IWL_FW_RESET, false);
+                ret = iwl_legacy_force_reset(priv, false);
                 return (ret == -EAGAIN) ? 0 : 1;
         }