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yaml --- r: 340054 b: refs/heads/master c: 0b25e25 h: refs/heads/master v: v3
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Joseph Lo
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Stephen Warren
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Nov 15, 2012
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--- | ||
refs/heads/master: 641b4ef8f1fea88803cc1ff3f34d93ba6bcd8106 | ||
refs/heads/master: 0b25e25bef0e03c0465c3eb1119b32cb906db689 |
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/* | ||
* 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> | ||
* | ||
* This program is free software; you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation; either version 2 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* This program is distributed in the hope that 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. | ||
*/ | ||
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#include <linux/kernel.h> | ||
#include <linux/module.h> | ||
#include <linux/cpuidle.h> | ||
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#include <asm/cpuidle.h> | ||
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static struct cpuidle_driver tegra_idle_driver = { | ||
.name = "tegra_idle", | ||
.owner = THIS_MODULE, | ||
.en_core_tk_irqen = 1, | ||
.state_count = 1, | ||
.states = { | ||
[0] = ARM_CPUIDLE_WFI_STATE_PWR(600), | ||
}, | ||
}; | ||
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static DEFINE_PER_CPU(struct cpuidle_device, tegra_idle_device); | ||
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int __init tegra20_cpuidle_init(void) | ||
{ | ||
int ret; | ||
unsigned int cpu; | ||
struct cpuidle_device *dev; | ||
struct cpuidle_driver *drv = &tegra_idle_driver; | ||
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ret = cpuidle_register_driver(&tegra_idle_driver); | ||
if (ret) { | ||
pr_err("CPUidle driver registration failed\n"); | ||
return ret; | ||
} | ||
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for_each_possible_cpu(cpu) { | ||
dev = &per_cpu(tegra_idle_device, cpu); | ||
dev->cpu = cpu; | ||
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dev->state_count = drv->state_count; | ||
ret = cpuidle_register_device(dev); | ||
if (ret) { | ||
pr_err("CPU%u: CPUidle device registration failed\n", | ||
cpu); | ||
return ret; | ||
} | ||
} | ||
return 0; | ||
} |
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/* | ||
* 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> | ||
* | ||
* This program is free software; you can redistribute it and/or modify | ||
* it under the terms of the GNU General Public License as published by | ||
* the Free Software Foundation; either version 2 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* This program is distributed in the hope that 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. | ||
*/ | ||
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#include <linux/kernel.h> | ||
#include <linux/module.h> | ||
#include <linux/cpuidle.h> | ||
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#include <asm/cpuidle.h> | ||
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static struct cpuidle_driver tegra_idle_driver = { | ||
.name = "tegra_idle", | ||
.owner = THIS_MODULE, | ||
.en_core_tk_irqen = 1, | ||
.state_count = 1, | ||
.states = { | ||
[0] = ARM_CPUIDLE_WFI_STATE_PWR(600), | ||
}, | ||
}; | ||
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static DEFINE_PER_CPU(struct cpuidle_device, tegra_idle_device); | ||
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int __init tegra30_cpuidle_init(void) | ||
{ | ||
int ret; | ||
unsigned int cpu; | ||
struct cpuidle_device *dev; | ||
struct cpuidle_driver *drv = &tegra_idle_driver; | ||
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ret = cpuidle_register_driver(&tegra_idle_driver); | ||
if (ret) { | ||
pr_err("CPUidle driver registration failed\n"); | ||
return ret; | ||
} | ||
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for_each_possible_cpu(cpu) { | ||
dev = &per_cpu(tegra_idle_device, cpu); | ||
dev->cpu = cpu; | ||
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dev->state_count = drv->state_count; | ||
ret = cpuidle_register_device(dev); | ||
if (ret) { | ||
pr_err("CPU%u: CPUidle device registration failed\n", | ||
cpu); | ||
return ret; | ||
} | ||
} | ||
return 0; | ||
} |
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/* | ||
* 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/>. | ||
*/ | ||
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#ifndef __MACH_TEGRA_CPUIDLE_H | ||
#define __MACH_TEGRA_CPUIDLE_H | ||
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#ifdef CONFIG_ARCH_TEGRA_2x_SOC | ||
int tegra20_cpuidle_init(void); | ||
#else | ||
static inline int tegra20_cpuidle_init(void) { return -ENODEV; } | ||
#endif | ||
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#ifdef CONFIG_ARCH_TEGRA_3x_SOC | ||
int tegra30_cpuidle_init(void); | ||
#else | ||
static inline int tegra30_cpuidle_init(void) { return -ENODEV; } | ||
#endif | ||
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#endif |