iwlwifi: fix iwl4965 temperature callback calibration issue

[linux-2.6-omap-h63xx.git] / drivers / net / wireless / iwlwifi / iwl-rx.c

diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 0c734fd529acb71a4052eef29cf117cb4d483ad9..3e8500ecf5988fc5d96d12ef76ca9835f0dcf806 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -557,11 +557,18 @@ static void iwl_rx_calc_noise(struct iwl_priv *priv)
 void iwl_rx_statistics(struct iwl_priv *priv,
                              struct iwl_rx_mem_buffer *rxb)
 {
+       int change;
        struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data;
 
        IWL_DEBUG_RX("Statistics notification received (%d vs %d).\n",
                     (int)sizeof(priv->statistics), pkt->len);
 
+       change = ((priv->statistics.general.temperature !=
+                  pkt->u.stats.general.temperature) ||
+                 ((priv->statistics.flag &
+                   STATISTICS_REPLY_FLG_FAT_MODE_MSK) !=
+                  (pkt->u.stats.flag & STATISTICS_REPLY_FLG_FAT_MODE_MSK)));
+
        memcpy(&priv->statistics, &pkt->u.stats, sizeof(priv->statistics));
 
        set_bit(STATUS_STATISTICS, &priv->status);
@@ -581,8 +588,8 @@ void iwl_rx_statistics(struct iwl_priv *priv,
 
        iwl_leds_background(priv);
 
-       if (priv->cfg->ops->lib->temperature)
-               priv->cfg->ops->lib->temperature(priv, &pkt->u.stats);
+       if (priv->cfg->ops->lib->temperature && change)
+               priv->cfg->ops->lib->temperature(priv);
 }
 EXPORT_SYMBOL(iwl_rx_statistics);