Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/cpufreq/tegra20-cpufreq.c b/drivers/cpufreq/tegra20-cpufreq.c
index 05f57dc..f84ecd2 100644
--- a/drivers/cpufreq/tegra20-cpufreq.c
+++ b/drivers/cpufreq/tegra20-cpufreq.c
@@ -1,19 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (C) 2010 Google, Inc.
  *
  * Author:
  *	Colin Cross <ccross@google.com>
  *	Based on arch/arm/plat-omap/cpu-omap.c, (C) 2005 Nokia Corporation
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
  */
 
 #include <linux/clk.h>
@@ -127,17 +118,11 @@
 static int tegra_cpu_init(struct cpufreq_policy *policy)
 {
 	struct tegra20_cpufreq *cpufreq = cpufreq_get_driver_data();
-	int ret;
 
 	clk_prepare_enable(cpufreq->cpu_clk);
 
 	/* FIXME: what's the actual transition time? */
-	ret = cpufreq_generic_init(policy, freq_table, 300 * 1000);
-	if (ret) {
-		clk_disable_unprepare(cpufreq->cpu_clk);
-		return ret;
-	}
-
+	cpufreq_generic_init(policy, freq_table, 300 * 1000);
 	policy->clk = cpufreq->cpu_clk;
 	policy->suspend_freq = freq_table[0].frequency;
 	return 0;