iwlwifi: parametrize configuration of the PLL for exclusion on 6000

added a config parameter to enable setting PLL_CFG.  older hardware has
this parameter set true.  the 6000 family does not support this setting,
so this parameter set false.

Signed-off-by: Jay Sternberg <jay.e.sternberg@linux.intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 539fc0e..f8158ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -109,7 +109,8 @@
 	iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
 		    CSR_HW_IF_CONFIG_REG_BIT_HAP_WAKE_L1A);
 
-	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
+	if (priv->cfg->need_pll_cfg)
+		iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
 
 	/* set "initialization complete" bit to move adapter
 	 * D0U* --> D0A* state */
@@ -177,7 +178,8 @@
 
 	/* FIXME: put here L1A -L0S w/a */
 
-	iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
+	if (priv->cfg->need_pll_cfg)
+		iwl_set_bit(priv, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL);
 
 	/* set "initialization complete" bit to move adapter
 	 * D0U* --> D0A* state */
@@ -1548,6 +1550,7 @@
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
+	.need_pll_cfg = true,
 };
 
 struct iwl_cfg iwl5100_bg_cfg = {
@@ -1563,6 +1566,7 @@
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
+	.need_pll_cfg = true,
 };
 
 struct iwl_cfg iwl5100_abg_cfg = {
@@ -1578,6 +1582,7 @@
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
+	.need_pll_cfg = true,
 };
 
 struct iwl_cfg iwl5100_agn_cfg = {
@@ -1593,6 +1598,7 @@
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_B,
 	.valid_rx_ant = ANT_AB,
+	.need_pll_cfg = true,
 };
 
 struct iwl_cfg iwl5350_agn_cfg = {
@@ -1608,6 +1614,7 @@
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_ABC,
 	.valid_rx_ant = ANT_ABC,
+	.need_pll_cfg = true,
 };
 
 struct iwl_cfg iwl5150_agn_cfg = {
@@ -1623,6 +1630,7 @@
 	.mod_params = &iwl50_mod_params,
 	.valid_tx_ant = ANT_A,
 	.valid_rx_ant = ANT_AB,
+	.need_pll_cfg = true,
 };
 
 MODULE_FIRMWARE(IWL5000_MODULE_FIRMWARE(IWL5000_UCODE_API_MAX));