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-tegra/cpuidle.h b/arch/arm/mach-tegra/cpuidle.h
new file mode 100644
index 0000000..c017dab
--- /dev/null
+++ b/arch/arm/mach-tegra/cpuidle.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2012, NVIDIA Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __MACH_TEGRA_CPUIDLE_H
+#define __MACH_TEGRA_CPUIDLE_H
+
+#ifdef CONFIG_CPU_IDLE
+int tegra20_cpuidle_init(void);
+void tegra20_cpuidle_pcie_irqs_in_use(void);
+int tegra30_cpuidle_init(void);
+int tegra114_cpuidle_init(void);
+void tegra_cpuidle_init(void);
+#else
+static inline void tegra_cpuidle_init(void) {}
+#endif
+
+#endif