1 files changed, 0 insertions, 128 deletions
diff --git a/arch/arm/mach-ux500/cpuidle.c b/arch/arm/mach-ux500/cpuidle.c
deleted file mode 100644
index a45dd09daed..00000000000
--- a/arch/arm/mach-ux500/cpuidle.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright (c) 2012 Linaro : Daniel Lezcano <daniel.lezcano@linaro.org> (IBM)
- *
- * Based on the work of Rickard Andersson <rickard.andersson@stericsson.com>
- * and Jonas Aaberg <jonas.aberg@stericsson.com>.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/cpuidle.h>
-#include <linux/spinlock.h>
-#include <linux/atomic.h>
-#include <linux/smp.h>
-#include <linux/mfd/dbx500-prcmu.h>
-#include <linux/platform_data/arm-ux500-pm.h>
-
-#include <asm/cpuidle.h>
-#include <asm/proc-fns.h>
-
-#include "db8500-regs.h"
-#include "id.h"
-
-static atomic_t master = ATOMIC_INIT(0);
-static DEFINE_SPINLOCK(master_lock);
-
-static inline int ux500_enter_idle(struct cpuidle_device *dev,
-				   struct cpuidle_driver *drv, int index)
-{
-	int this_cpu = smp_processor_id();
-	bool recouple = false;
-
-	if (atomic_inc_return(&master) == num_online_cpus()) {
-
-		/* With this lock, we prevent the other cpu to exit and enter
-		 * this function again and become the master */
-		if (!spin_trylock(&master_lock))
-			goto wfi;
-
-		/* decouple the gic from the A9 cores */
-		if (prcmu_gic_decouple()) {
-			spin_unlock(&master_lock);
-			goto out;
-		}
-
-		/* If an error occur, we will have to recouple the gic
-		 * manually */
-		recouple = true;
-
-		/* At this state, as the gic is decoupled, if the other
-		 * cpu is in WFI, we have the guarantee it won't be wake
-		 * up, so we can safely go to retention */
-		if (!prcmu_is_cpu_in_wfi(this_cpu ? 0 : 1))
-			goto out;
-
-		/* The prcmu will be in charge of watching the interrupts
-		 * and wake up the cpus */
-		if (prcmu_copy_gic_settings())
-			goto out;
-
-		/* Check in the meantime an interrupt did
-		 * not occur on the gic ... */
-		if (prcmu_gic_pending_irq())
-			goto out;
-
-		/* ... and the prcmu */
-		if (prcmu_pending_irq())
-			goto out;
-
-		/* Go to the retention state, the prcmu will wait for the
-		 * cpu to go WFI and this is what happens after exiting this
-		 * 'master' critical section */
-		if (prcmu_set_power_state(PRCMU_AP_IDLE, true, true))
-			goto out;
-
-		/* When we switch to retention, the prcmu is in charge
-		 * of recoupling the gic automatically */
-		recouple = false;
-
-		spin_unlock(&master_lock);
-	}
-wfi:
-	cpu_do_idle();
-out:
-	atomic_dec(&master);
-
-	if (recouple) {
-		prcmu_gic_recouple();
-		spin_unlock(&master_lock);
-	}
-
-	return index;
-}
-
-static struct cpuidle_driver ux500_idle_driver = {
-	.name = "ux500_idle",
-	.owner = THIS_MODULE,
-	.states = {
-		ARM_CPUIDLE_WFI_STATE,
-		{
-			.enter		  = ux500_enter_idle,
-			.exit_latency	  = 70,
-			.target_residency = 260,
-			.flags		  = CPUIDLE_FLAG_TIME_VALID |
-			                    CPUIDLE_FLAG_TIMER_STOP,
-			.name		  = "ApIdle",
-			.desc		  = "ARM Retention",
-		},
-	},
-	.safe_state_index = 0,
-	.state_count = 2,
-};
-
-int __init ux500_idle_init(void)
-{
-	if (!(cpu_is_u8500_family() || cpu_is_ux540_family()))
-		return -ENODEV;
-
-	/* Configure wake up reasons */
-	prcmu_enable_wakeups(PRCMU_WAKEUP(ARM) | PRCMU_WAKEUP(RTC) |
-			     PRCMU_WAKEUP(ABB));
-
-	return cpuidle_register(&ux500_idle_driver, NULL);
-}
-
-device_initcall(ux500_idle_init);