msm: ipa: use a single panic notifier

Make changes to use single panic notifier to get all the information
in one shot.

Change-Id: I8030f17b58a5d4da0a93e5109d5b9717e67d466a
Signed-off-by: Chaitanya Pratapa <[email protected]>

drivers/platform/msm/ipa/ipa_v3/ipa.c

@@ -630,27 +630,6 @@ static int ipa3_clean_mhip_dl_rule(void)
 	return 0;
 }
 
-static int ipa3_active_clients_panic_notifier(struct notifier_block *this,
-		unsigned long event, void *ptr)
-{
-	if (ipa3_ctx != NULL)
-	{
-		if (ipa3_ctx->is_device_crashed)
-			return NOTIFY_DONE;
-		ipa3_ctx->is_device_crashed = true;
-	}
-
-	ipa3_active_clients_log_print_table(active_clients_table_buf,
-			IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE);
-	IPAERR("%s\n", active_clients_table_buf);
-
-	return NOTIFY_DONE;
-}
-
-static struct notifier_block ipa3_active_clients_panic_blk = {
-	.notifier_call  = ipa3_active_clients_panic_notifier,
-};
-
 #ifdef CONFIG_IPA_DEBUG
 static int ipa3_active_clients_log_insert(const char *string)
 {
@@ -702,9 +681,6 @@ static int ipa3_active_clients_log_init(void)
 	ipa3_ctx->ipa3_active_clients_logging.log_tail =
 			IPA3_ACTIVE_CLIENTS_LOG_BUFFER_SIZE_LINES - 1;
 	hash_init(ipa3_ctx->ipa3_active_clients_logging.htable);
-	/* 2nd ipa3_active_clients_panic_notifier */
-	atomic_notifier_chain_register(&panic_notifier_list,
-			&ipa3_active_clients_panic_blk);
 	ipa3_ctx->ipa3_active_clients_logging.log_rdy = true;
 
 	return 0;
@@ -7066,6 +7042,7 @@ static int ipa3_panic_notifier(struct notifier_block *this,
 	{
 		if (ipa3_ctx->is_device_crashed)
 			return NOTIFY_DONE;
+		ipa3_ctx->is_device_crashed = true;
 	}
 
 	ipa3_freeze_clock_vote_and_notify_modem();
@@ -7086,6 +7063,10 @@ static int ipa3_panic_notifier(struct notifier_block *this,
 		ipa_wigig_save_regs();
 	}
 
+	ipa3_active_clients_log_print_table(active_clients_table_buf,
+			IPA3_ACTIVE_CLIENTS_TABLE_BUF_SIZE);
+	IPAERR("%s\n", active_clients_table_buf);
+
 	return NOTIFY_DONE;
 }