File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/arch/arm/mach-imx/cpuidle.h b/arch/arm/mach-imx/cpuidle.h
new file mode 100644
index 0000000..f914012
--- /dev/null
+++ b/arch/arm/mach-imx/cpuidle.h
@@ -0,0 +1,35 @@
+/*
+ * 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
+ */
+
+#ifdef CONFIG_CPU_IDLE
+extern int imx5_cpuidle_init(void);
+extern int imx6q_cpuidle_init(void);
+extern int imx6sl_cpuidle_init(void);
+extern int imx6sx_cpuidle_init(void);
+#else
+static inline int imx5_cpuidle_init(void)
+{
+	return 0;
+}
+static inline int imx6q_cpuidle_init(void)
+{
+	return 0;
+}
+static inline int imx6sl_cpuidle_init(void)
+{
+	return 0;
+}
+static inline int imx6sx_cpuidle_init(void)
+{
+	return 0;
+}
+#endif