iwlwifi: choose thermal throttle method based on device config

Using device configuration structure to decide the type of thermal
throttle method for the device.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -277,6 +277,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000h_2abg_cfg = {
@@ -304,6 +305,7 @@ struct iwl_cfg iwl6000h_2abg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000h_2bg_cfg = {
@@ -331,6 +333,7 @@ struct iwl_cfg iwl6000h_2bg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 /*
@@ -362,6 +365,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000i_2abg_cfg = {
@@ -389,6 +393,7 @@ struct iwl_cfg iwl6000i_2abg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000i_2bg_cfg = {
@@ -416,6 +421,7 @@ struct iwl_cfg iwl6000i_2bg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6050_2agn_cfg = {
@@ -444,6 +450,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6050_2abg_cfg = {
@@ -471,6 +478,7 @@ struct iwl_cfg iwl6050_2abg_cfg = {
 	.led_compensation = 51,
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6000_3agn_cfg = {
@@ -499,6 +507,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 struct iwl_cfg iwl6050_3agn_cfg = {
@@ -527,6 +536,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
 	.use_rts_for_ht = true, /* use rts/cts protection */
 	.chain_noise_num_beacons = IWL_CAL_NUM_BEACONS,
 	.supports_idle = true,
+	.adv_thermal_throttle = true,
 };
 
 MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));

drivers/net/wireless/iwlwifi/iwl-core.h

@@ -225,6 +225,7 @@ struct iwl_mod_params {
  *	The detail algorithm is described in iwl-led.c
  * @use_rts_for_ht: use rts/cts protection for HT traffic
  * @chain_noise_num_beacons: number of beacons used to compute chain noise
+ * @adv_thermal_throttle: support advance thermal throttle
  *
  * We enable the driver to be backward compatible wrt API version. The
  * driver specifies which APIs it supports (with @ucode_api_max being the
@@ -278,6 +279,7 @@ struct iwl_cfg {
 	bool use_rts_for_ht;
 	int chain_noise_num_beacons;
 	const bool supports_idle;
+	bool adv_thermal_throttle;
 };
 
 /***************************

drivers/net/wireless/iwlwifi/iwl-power.c

@@ -893,9 +893,7 @@ void iwl_tt_initialize(struct iwl_priv *priv)
 	INIT_WORK(&priv->ct_enter, iwl_bg_ct_enter);
 	INIT_WORK(&priv->ct_exit, iwl_bg_ct_exit);
 
-	switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) {
-	case CSR_HW_REV_TYPE_6x00:
-	case CSR_HW_REV_TYPE_6x50:
+	if (priv->cfg->adv_thermal_throttle) {
 		IWL_DEBUG_POWER(priv, "Advanced Thermal Throttling\n");
 		tt->restriction = kzalloc(sizeof(struct iwl_tt_restriction) *
 					 IWL_TI_STATE_MAX, GFP_KERNEL);
@@ -928,11 +926,9 @@ void iwl_tt_initialize(struct iwl_priv *priv)
 				&restriction_range[0], size);
 			priv->thermal_throttle.advanced_tt = true;
 		}
-		break;
-	default:
+	} else {
 		IWL_DEBUG_POWER(priv, "Legacy Thermal Throttling\n");
 		priv->thermal_throttle.advanced_tt = false;
-		break;
 	}
 }
 EXPORT_SYMBOL(iwl_tt_initialize);