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-rw-r--r--arch/arm/mach-exynos4/cpuidle.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/arch/arm/mach-exynos4/cpuidle.c b/arch/arm/mach-exynos4/cpuidle.c
deleted file mode 100644
index bf7e96f2793a..000000000000
--- a/arch/arm/mach-exynos4/cpuidle.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* linux/arch/arm/mach-exynos4/cpuidle.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.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/kernel.h>
-#include <linux/init.h>
-#include <linux/cpuidle.h>
-#include <linux/io.h>
-
-#include <asm/proc-fns.h>
-
-static int exynos4_enter_idle(struct cpuidle_device *dev,
- struct cpuidle_state *state);
-
-static struct cpuidle_state exynos4_cpuidle_set[] = {
- [0] = {
- .enter = exynos4_enter_idle,
- .exit_latency = 1,
- .target_residency = 100000,
- .flags = CPUIDLE_FLAG_TIME_VALID,
- .name = "IDLE",
- .desc = "ARM clock gating(WFI)",
- },
-};
-
-static DEFINE_PER_CPU(struct cpuidle_device, exynos4_cpuidle_device);
-
-static struct cpuidle_driver exynos4_idle_driver = {
- .name = "exynos4_idle",
- .owner = THIS_MODULE,
-};
-
-static int exynos4_enter_idle(struct cpuidle_device *dev,
- struct cpuidle_state *state)
-{
- struct timeval before, after;
- int idle_time;
-
- local_irq_disable();
- do_gettimeofday(&before);
-
- cpu_do_idle();
-
- do_gettimeofday(&after);
- local_irq_enable();
- idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC +
- (after.tv_usec - before.tv_usec);
-
- return idle_time;
-}
-
-static int __init exynos4_init_cpuidle(void)
-{
- int i, max_cpuidle_state, cpu_id;
- struct cpuidle_device *device;
-
- cpuidle_register_driver(&exynos4_idle_driver);
-
- for_each_cpu(cpu_id, cpu_online_mask) {
- device = &per_cpu(exynos4_cpuidle_device, cpu_id);
- device->cpu = cpu_id;
-
- device->state_count = (sizeof(exynos4_cpuidle_set) /
- sizeof(struct cpuidle_state));
-
- max_cpuidle_state = device->state_count;
-
- for (i = 0; i < max_cpuidle_state; i++) {
- memcpy(&device->states[i], &exynos4_cpuidle_set[i],
- sizeof(struct cpuidle_state));
- }
-
- if (cpuidle_register_device(device)) {
- printk(KERN_ERR "CPUidle register device failed\n,");
- return -EIO;
- }
- }
- return 0;
-}
-device_initcall(exynos4_init_cpuidle);
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