qcacld-3.0: hdd: Remove unused SSR code

Remove unused SSR code which were used for legacy chipsets.

Change-Id: I3ae3f330a573383890d6e13dd626813f32fc0d51
CRs-fixed: 951587

core/hdd/inc/wlan_hdd_main.h

@@ -623,12 +623,6 @@ typedef struct hdd_cfg80211_state_s {
 	eP2PActionFrameState actionFrmState;
 } hdd_cfg80211_state_t;
 
-typedef enum {
-	HDD_SSR_NOT_REQUIRED,
-	HDD_SSR_REQUIRED,
-	HDD_SSR_DISABLED,
-} e_hdd_ssr_required;
-
 struct hdd_station_ctx {
 	/** Handle to the Wireless Extension State */
 	hdd_wext_state_t WextState;
@@ -1397,8 +1391,6 @@ void wlan_hdd_reset_prob_rspies(hdd_adapter_t *pHostapdAdapter);
 void hdd_prevent_suspend(uint32_t reason);
 void hdd_allow_suspend(uint32_t reason);
 void hdd_prevent_suspend_timeout(uint32_t timeout, uint32_t reason);
-bool hdd_is_ssr_required(void);
-void hdd_set_ssr_required(e_hdd_ssr_required value);
 
 void wlan_hdd_cfg80211_update_wiphy_caps(struct wiphy *wiphy);
 CDF_STATUS hdd_set_ibss_power_save_params(hdd_adapter_t *pAdapter);

core/hdd/src/wlan_hdd_main.c

@@ -146,8 +146,6 @@ static int wlan_hdd_inited;
 DEFINE_SPINLOCK(hdd_context_lock);
 
 static cdf_wake_lock_t wlan_wake_lock;
-/* set when SSR is needed after unload */
-static e_hdd_ssr_required is_ssr_required = HDD_SSR_NOT_REQUIRED;
 
 #define WOW_MAX_FILTER_LISTS 1
 #define WOW_MAX_FILTERS_PER_LIST 4
@@ -3051,20 +3049,6 @@ CDF_STATUS hdd_start_all_adapters(hdd_context_t *hdd_ctx)
 	return CDF_STATUS_SUCCESS;
 }
 
-bool hdd_is_ssr_required(void)
-{
-	return is_ssr_required == HDD_SSR_REQUIRED;
-}
-
-/* Once SSR is disabled then it cannot be set. */
-void hdd_set_ssr_required(e_hdd_ssr_required value)
-{
-	if (HDD_SSR_DISABLED == is_ssr_required)
-		return;
-
-	is_ssr_required = value;
-}
-
 CDF_STATUS hdd_get_front_adapter(hdd_context_t *hdd_ctx,
 				 hdd_adapter_list_node_t **padapterNode)
 {
@@ -3569,19 +3553,6 @@ free_hdd_ctx:
 
 	wiphy_unregister(wiphy);
 	wiphy_free(wiphy);
-	if (hdd_is_ssr_required()) {
-#ifdef MSM_PLATFORM
-#ifdef CONFIG_CNSS
-		/*
-		 * WDI timeout had happened during unload, so SSR is needed
-		 * here
-		 */
-		subsystem_restart("wcnss");
-#endif
-#endif
-		msleep(5000);
-	}
-	hdd_set_ssr_required(false);
 }
 
 void __hdd_wlan_exit(void)
@@ -5534,20 +5505,6 @@ err_free_hdd_context:
 	/* kfree(wdev) ; */
 	CDF_BUG(1);
 
-	if (hdd_is_ssr_required()) {
-#ifdef MSM_PLATFORM
-#ifdef CONFIG_CNSS
-		/*
-		 * WDI timeout had happened during load, so SSR is needed
-		 * here
-		 */
-		subsystem_restart("wcnss");
-#endif
-#endif
-		msleep(5000);
-	}
-	hdd_set_ssr_required(false);
-
 	return -EIO;
 
 success: