iwlagn: remove set but unused vars

gcc is warning that a few variables in rate
scaling are set but never otherwise used.
This pointed out a few simplifications.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 432f839..c38ba7c 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -2199,11 +2199,11 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
  * setup rate table in uCode
  * return rate_n_flags as used in the table
  */
-static u32 rs_update_rate_tbl(struct iwl_priv *priv,
-                             struct iwl_rxon_context *ctx,
-                               struct iwl_lq_sta *lq_sta,
-                               struct iwl_scale_tbl_info *tbl,
-                               int index, u8 is_green)
+static void rs_update_rate_tbl(struct iwl_priv *priv,
+                              struct iwl_rxon_context *ctx,
+                              struct iwl_lq_sta *lq_sta,
+                              struct iwl_scale_tbl_info *tbl,
+                              int index, u8 is_green)
 {
        u32 rate;
 
@@ -2211,8 +2211,6 @@ static u32 rs_update_rate_tbl(struct iwl_priv *priv,
        rate = rate_n_flags_from_tbl(priv, tbl, index, is_green);
        rs_fill_link_cmd(priv, lq_sta, rate);
        iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
-
-       return rate;
 }
 
 /*
@@ -2241,7 +2239,6 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
        u8 update_lq = 0;
        struct iwl_scale_tbl_info *tbl, *tbl1;
        u16 rate_scale_index_msk = 0;
-       u32 rate;
        u8 is_green = 0;
        u8 active_tbl = 0;
        u8 done_search = 0;
@@ -2328,8 +2325,8 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
                        tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
                        /* get "active" rate info */
                        index = iwl_hwrate_to_plcp_idx(tbl->current_rate);
-                       rate = rs_update_rate_tbl(priv, ctx, lq_sta,
-                                                 tbl, index, is_green);
+                       rs_update_rate_tbl(priv, ctx, lq_sta, tbl,
+                                          index, is_green);
                }
                return;
        }
@@ -2570,8 +2567,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
 lq_update:
        /* Replace uCode's rate table for the destination station. */
        if (update_lq)
-               rate = rs_update_rate_tbl(priv, ctx, lq_sta,
-                                         tbl, index, is_green);
+               rs_update_rate_tbl(priv, ctx, lq_sta, tbl, index, is_green);
 
        if (iwl_tx_ant_restriction(priv) == IWL_ANT_OK_MULTI) {
                /* Should we stay with this modulation mode,
@@ -3270,14 +3266,10 @@ static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
 static ssize_t rs_sta_dbgfs_rate_scale_data_read(struct file *file,
                        char __user *user_buf, size_t count, loff_t *ppos)
 {
-       char buff[120];
-       int desc = 0;
-
        struct iwl_lq_sta *lq_sta = file->private_data;
-       struct iwl_priv *priv;
        struct iwl_scale_tbl_info *tbl = &lq_sta->lq_info[lq_sta->active_tbl];
-
-       priv = lq_sta->drv;
+       char buff[120];
+       int desc = 0;
 
        if (is_Ht(tbl->lq_type))
                desc += sprintf(buff+desc,

diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
index c839796..47a56bc 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c
@@ -216,15 +216,14 @@ static int iwl_eeprom_verify_signature(struct iwl_priv *priv)
 
 static void iwl_set_otp_access(struct iwl_priv *priv, enum iwl_access_mode mode)
 {
-       u32 otpgp;
+       iwl_read32(priv, CSR_OTP_GP_REG);
 
-       otpgp = iwl_read32(priv, CSR_OTP_GP_REG);
        if (mode == IWL_OTP_ACCESS_ABSOLUTE)
                iwl_clear_bit(priv, CSR_OTP_GP_REG,
-                               CSR_OTP_GP_REG_OTP_ACCESS_MODE);
+                             CSR_OTP_GP_REG_OTP_ACCESS_MODE);
        else
                iwl_set_bit(priv, CSR_OTP_GP_REG,
-                               CSR_OTP_GP_REG_OTP_ACCESS_MODE);
+                           CSR_OTP_GP_REG_OTP_ACCESS_MODE);
 }
 
 static int iwlcore_get_nvm_type(struct iwl_priv *priv, u32 hw_rev)