iwlwifi: move iwl_full_rxon_required and mark it static

iwl_full_rxon_required is used only in
iwl-agn-rxon.c. Move it there and mark it
static.

Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 64 insertions, 65 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
index 7f0448c66b8..79d857d81b4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
@@ -24,6 +24,7 @@
  *
  *****************************************************************************/
 
+#include <linux/etherdevice.h>
 #include "iwl-dev.h"
 #include "iwl-agn.h"
 #include "iwl-core.h"
@@ -586,6 +587,69 @@ static int iwl_check_rxon_cmd(struct iwl_priv *priv,
 }
 
 /**
+ * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
+ * @priv: staging_rxon is compared to active_rxon
+ *
+ * If the RXON structure is changing enough to require a new tune,
+ * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
+ * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
+ */
+static int iwl_full_rxon_required(struct iwl_priv *priv,
+                                  struct iwl_rxon_context *ctx)
+{
+        const struct iwl_rxon_cmd *staging = &ctx->staging;
+        const struct iwl_rxon_cmd *active = &ctx->active;
+
+#define CHK(cond)                                                       \
+        if ((cond)) {                                                   \
+                IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n");   \
+                return 1;                                               \
+        }
+
+#define CHK_NEQ(c1, c2)                                         \
+        if ((c1) != (c2)) {                                     \
+                IWL_DEBUG_INFO(priv, "need full RXON - "        \
+                               #c1 " != " #c2 " - %d != %d\n",  \
+                               (c1), (c2));                     \
+                return 1;                                       \
+        }
+
+        /* These items are only settable from the full RXON command */
+        CHK(!iwl_is_associated_ctx(ctx));
+        CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
+        CHK(compare_ether_addr(staging->node_addr, active->node_addr));
+        CHK(compare_ether_addr(staging->wlap_bssid_addr,
+                                active->wlap_bssid_addr));
+        CHK_NEQ(staging->dev_type, active->dev_type);
+        CHK_NEQ(staging->channel, active->channel);
+        CHK_NEQ(staging->air_propagation, active->air_propagation);
+        CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
+                active->ofdm_ht_single_stream_basic_rates);
+        CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
+                active->ofdm_ht_dual_stream_basic_rates);
+        CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
+                active->ofdm_ht_triple_stream_basic_rates);
+        CHK_NEQ(staging->assoc_id, active->assoc_id);
+
+        /* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
+         * be updated with the RXON_ASSOC command -- however only some
+         * flag transitions are allowed using RXON_ASSOC */
+
+        /* Check if we are not switching bands */
+        CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
+                active->flags & RXON_FLG_BAND_24G_MSK);
+
+        /* Check if we are switching association toggle */
+        CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
+                active->filter_flags & RXON_FILTER_ASSOC_MSK);
+
+#undef CHK
+#undef CHK_NEQ
+
+        return 0;
+}
+
+/**
  * iwlagn_commit_rxon - commit staging_rxon to hardware
  *
  * The RXON command in staging_rxon is committed to the hardware and
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 56338693d38..ec250b21352 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -28,7 +28,6 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/etherdevice.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <net/mac80211.h>
@@ -88,69 +87,6 @@ bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
                         ctx->ht.extension_chan_offset);
 }
 
-/**
- * iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
- * @priv: staging_rxon is compared to active_rxon
- *
- * If the RXON structure is changing enough to require a new tune,
- * or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
- * a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
- */
-int iwl_full_rxon_required(struct iwl_priv *priv,
-                           struct iwl_rxon_context *ctx)
-{
-        const struct iwl_rxon_cmd *staging = &ctx->staging;
-        const struct iwl_rxon_cmd *active = &ctx->active;
-
-#define CHK(cond)                                                       \
-        if ((cond)) {                                                   \
-                IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n");   \
-                return 1;                                               \
-        }
-
-#define CHK_NEQ(c1, c2)                                         \
-        if ((c1) != (c2)) {                                     \
-                IWL_DEBUG_INFO(priv, "need full RXON - "        \
-                               #c1 " != " #c2 " - %d != %d\n",  \
-                               (c1), (c2));                     \
-                return 1;                                       \
-        }
-
-        /* These items are only settable from the full RXON command */
-        CHK(!iwl_is_associated_ctx(ctx));
-        CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
-        CHK(compare_ether_addr(staging->node_addr, active->node_addr));
-        CHK(compare_ether_addr(staging->wlap_bssid_addr,
-                                active->wlap_bssid_addr));
-        CHK_NEQ(staging->dev_type, active->dev_type);
-        CHK_NEQ(staging->channel, active->channel);
-        CHK_NEQ(staging->air_propagation, active->air_propagation);
-        CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
-                active->ofdm_ht_single_stream_basic_rates);
-        CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
-                active->ofdm_ht_dual_stream_basic_rates);
-        CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
-                active->ofdm_ht_triple_stream_basic_rates);
-        CHK_NEQ(staging->assoc_id, active->assoc_id);
-
-        /* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
-         * be updated with the RXON_ASSOC command -- however only some
-         * flag transitions are allowed using RXON_ASSOC */
-
-        /* Check if we are not switching bands */
-        CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
-                active->flags & RXON_FLG_BAND_24G_MSK);
-
-        /* Check if we are switching association toggle */
-        CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
-                active->filter_flags & RXON_FILTER_ASSOC_MSK);
-
-#undef CHK
-#undef CHK_NEQ
-
-        return 0;
-}
-
 static void _iwl_set_rxon_ht(struct iwl_priv *priv,
                              struct iwl_ht_config *ht_conf,
                              struct iwl_rxon_context *ctx)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index f49a69c9759..2488fc1c5cb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -93,7 +93,6 @@ struct iwl_lib_ops {
  *   L i b                 *
  ***************************/
 
-int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
 void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
                          struct iwl_rxon_context *ctx);
 void iwl_set_flags_for_band(struct iwl_priv *priv,