Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/clk/imx/clk-pfd.c b/drivers/clk/imx/clk-pfd.c
index 04a3e78..50b7c30 100644
--- a/drivers/clk/imx/clk-pfd.c
+++ b/drivers/clk/imx/clk-pfd.c
@@ -1,13 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright 2012 Freescale Semiconductor, Inc.
  * Copyright 2012 Linaro Ltd.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
  */
 
 #include <linux/clk-provider.h>
@@ -127,12 +121,13 @@
 	.is_enabled     = clk_pfd_is_enabled,
 };
 
-struct clk *imx_clk_pfd(const char *name, const char *parent_name,
+struct clk_hw *imx_clk_hw_pfd(const char *name, const char *parent_name,
 			void __iomem *reg, u8 idx)
 {
 	struct clk_pfd *pfd;
-	struct clk *clk;
+	struct clk_hw *hw;
 	struct clk_init_data init;
+	int ret;
 
 	pfd = kzalloc(sizeof(*pfd), GFP_KERNEL);
 	if (!pfd)
@@ -148,10 +143,13 @@
 	init.num_parents = 1;
 
 	pfd->hw.init = &init;
+	hw = &pfd->hw;
 
-	clk = clk_register(NULL, &pfd->hw);
-	if (IS_ERR(clk))
+	ret = clk_hw_register(NULL, hw);
+	if (ret) {
 		kfree(pfd);
+		return ERR_PTR(ret);
+	}
 
-	return clk;
+	return hw;
 }