1 files changed, 0 insertions, 123 deletions
diff --git a/arch/arm/mach-tegra/cpuidle-tegra30.c b/arch/arm/mach-tegra/cpuidle-tegra30.c
deleted file mode 100644
index 80ae64bcdf50..000000000000
--- a/arch/arm/mach-tegra/cpuidle-tegra30.c
+++ /dev/null
@@ -1,123 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * CPU idle driver for Tegra CPUs
- *
- * Copyright (c) 2010-2012, NVIDIA Corporation.
- * Copyright (c) 2011 Google, Inc.
- * Author: Colin Cross <ccross@android.com>
- *         Gary King <gking@nvidia.com>
- *
- * Rework for 3.3 by Peter De Schrijver <pdeschrijver@nvidia.com>
- */
-
-#include <linux/clk/tegra.h>
-#include <linux/tick.h>
-#include <linux/cpuidle.h>
-#include <linux/cpu_pm.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include <soc/tegra/pm.h>
-
-#include <asm/cpuidle.h>
-#include <asm/smp_plat.h>
-#include <asm/suspend.h>
-
-#include "cpuidle.h"
-#include "sleep.h"
-
-#ifdef CONFIG_PM_SLEEP
-static int tegra30_idle_lp2(struct cpuidle_device *dev,
-			    struct cpuidle_driver *drv,
-			    int index);
-#endif
-
-static struct cpuidle_driver tegra_idle_driver = {
-	.name = "tegra_idle",
-	.owner = THIS_MODULE,
-#ifdef CONFIG_PM_SLEEP
-	.state_count = 2,
-#else
-	.state_count = 1,
-#endif
-	.states = {
-		[0] = ARM_CPUIDLE_WFI_STATE_PWR(600),
-#ifdef CONFIG_PM_SLEEP
-		[1] = {
-			.enter			= tegra30_idle_lp2,
-			.exit_latency		= 2000,
-			.target_residency	= 2200,
-			.power_usage		= 0,
-			.flags			= CPUIDLE_FLAG_TIMER_STOP,
-			.name			= "powered-down",
-			.desc			= "CPU power gated",
-		},
-#endif
-	},
-};
-
-#ifdef CONFIG_PM_SLEEP
-static bool tegra30_cpu_cluster_power_down(struct cpuidle_device *dev,
-					   struct cpuidle_driver *drv,
-					   int index)
-{
-	/* All CPUs entering LP2 is not working.
-	 * Don't let CPU0 enter LP2 when any secondary CPU is online.
-	 */
-	if (num_online_cpus() > 1 || !tegra_cpu_rail_off_ready()) {
-		cpu_do_idle();
-		return false;
-	}
-
-	return !tegra_pm_enter_lp2();
-}
-
-#ifdef CONFIG_SMP
-static bool tegra30_cpu_core_power_down(struct cpuidle_device *dev,
-					struct cpuidle_driver *drv,
-					int index)
-{
-	smp_wmb();
-
-	cpu_suspend(0, tegra30_pm_secondary_cpu_suspend);
-
-	return true;
-}
-#else
-static inline bool tegra30_cpu_core_power_down(struct cpuidle_device *dev,
-					       struct cpuidle_driver *drv,
-					       int index)
-{
-	return true;
-}
-#endif
-
-static int tegra30_idle_lp2(struct cpuidle_device *dev,
-			    struct cpuidle_driver *drv,
-			    int index)
-{
-	bool entered_lp2 = false;
-
-	local_fiq_disable();
-
-	tegra_pm_set_cpu_in_lp2();
-	cpu_pm_enter();
-
-	if (dev->cpu == 0)
-		entered_lp2 = tegra30_cpu_cluster_power_down(dev, drv, index);
-	else
-		entered_lp2 = tegra30_cpu_core_power_down(dev, drv, index);
-
-	cpu_pm_exit();
-	tegra_pm_clear_cpu_in_lp2();
-
-	local_fiq_enable();
-
-	return (entered_lp2) ? index : 0;
-}
-#endif
-
-int __init tegra30_cpuidle_init(void)
-{
-	return cpuidle_register(&tegra_idle_driver, NULL);
-}