diff --git a/arch/arm64/configs/vendor/lahaina_QGKI.config b/arch/arm64/configs/vendor/lahaina_QGKI.config
index 41b8f149a000..2d7b36a4ec6c 100644
--- a/arch/arm64/configs/vendor/lahaina_QGKI.config
+++ b/arch/arm64/configs/vendor/lahaina_QGKI.config
@@ -168,6 +168,7 @@ CONFIG_SLIMBUS_MSM_NGD=m
 CONFIG_QCOM_KGSL=y
 CONFIG_QCOM_KGSL_CONTEXT_DEBUG=y
 CONFIG_QCOM_QFPROM=y
+CONFIG_ICNSS2_RESTART_LEVEL_NOTIF=y
 CONFIG_ARM_QCOM_CPUFREQ_HW=y
 CONFIG_NETFILTER_XT_TARGET_TEE=y
 CONFIG_NETFILTER_XT_TARGET_NOTRACK=y
diff --git a/drivers/soc/qcom/icnss2/Kconfig b/drivers/soc/qcom/icnss2/Kconfig
index 829db44f2cd8..ea716df701d2 100644
--- a/drivers/soc/qcom/icnss2/Kconfig
+++ b/drivers/soc/qcom/icnss2/Kconfig
@@ -28,6 +28,15 @@ config ICNSS2_QMI
 	  and configurations. It also send WLAN on/off control message to FW
 	  over QMI channel.
 
+config ICNSS2_RESTART_LEVEL_NOTIF
+	bool "Enable Restart level change notification"
+	depends on ICNSS2
+	help
+	  Say 'Y' here to enable ICNSS2_RESTART_LEVEL_NOTIF support.
+	  This will be needed to register notifier and get notification for
+	  restart_level change of WLAN Sub system. On receiving notification
+	  ICNSS2 enable/disable M3 SSR. This is only enabled for QGKI config.
+
 config CNSS_QCA6750
 	bool "Enable ICNSS QCA6750 chipset specific changes"
 	depends on ICNSS2
diff --git a/drivers/soc/qcom/icnss2/main.c b/drivers/soc/qcom/icnss2/main.c
index b022ec250052..0363f2e1963b 100644
--- a/drivers/soc/qcom/icnss2/main.c
+++ b/drivers/soc/qcom/icnss2/main.c
@@ -44,6 +44,7 @@
 #include <soc/qcom/ramdump.h>
 #include <linux/soc/qcom/smem.h>
 #include <linux/soc/qcom/smem_state.h>
+#include <trace/events/trace_msm_ssr_event.h>
 #include "main.h"
 #include "qmi.h"
 #include "debug.h"
@@ -3907,6 +3908,22 @@ static inline bool icnss_use_nv_mac(struct icnss_priv *priv)
 				     "use-nv-mac");
 }
 
+#ifdef CONFIG_ICNSS2_RESTART_LEVEL_NOTIF
+static void pil_restart_level_notifier(void *ignore,
+			      int restart_level,
+			      const char *fw)
+{
+	icnss_pr_err("PIL Notifier, restart_level: %d, FW:%s",
+		     restart_level, fw);
+	if (!strcmp(fw, "wpss")) {
+		if (restart_level == RESET_SUBSYS_COUPLED)
+			icnss_send_smp2p(penv, ICNSS_ENABLE_M3_SSR);
+		else
+			icnss_send_smp2p(penv, ICNSS_DISABLE_M3_SSR);
+	}
+}
+#endif
+
 static int icnss_probe(struct platform_device *pdev)
 {
 	int ret = 0;
@@ -4023,6 +4040,9 @@ static int icnss_probe(struct platform_device *pdev)
 		icnss_pr_dbg("NV MAC feature is %s\n",
 			     priv->use_nv_mac ? "Mandatory":"Not Mandatory");
 		INIT_WORK(&wpss_loader, icnss_wpss_load);
+#ifdef CONFIG_ICNSS2_RESTART_LEVEL_NOTIF
+		register_trace_pil_restart_level(pil_restart_level_notifier, NULL);
+#endif
 	}
 
 	INIT_LIST_HEAD(&priv->icnss_tcdev_list);
@@ -4054,6 +4074,9 @@ static int icnss_remove(struct platform_device *pdev)
 		icnss_dms_deinit(priv);
 		icnss_genl_exit();
 		icnss_runtime_pm_deinit(priv);
+#ifdef CONFIG_ICNSS2_RESTART_LEVEL_NOTIF
+		unregister_trace_pil_restart_level(pil_restart_level_notifier, NULL);
+#endif
 	}
 
 	device_init_wakeup(&priv->pdev->dev, false);
diff --git a/drivers/soc/qcom/icnss2/main.h b/drivers/soc/qcom/icnss2/main.h
index 0615d9a53896..47d9a5e43f6c 100644
--- a/drivers/soc/qcom/icnss2/main.h
+++ b/drivers/soc/qcom/icnss2/main.h
@@ -183,6 +183,10 @@ enum icnss_smp2p_msg_id {
 	ICNSS_POWER_SAVE_ENTER = 1,
 	ICNSS_POWER_SAVE_EXIT,
 	ICNSS_TRIGGER_SSR,
+#ifdef CONFIG_ICNSS2_RESTART_LEVEL_NOTIF
+	ICNSS_ENABLE_M3_SSR,
+	ICNSS_DISABLE_M3_SSR,
+#endif
 	ICNSS_PCI_EP_POWER_SAVE_ENTER = 6,
 	ICNSS_PCI_EP_POWER_SAVE_EXIT,
 };