linux-imx
Public
Source
committed be120397e7718
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* this program. If not, see <http://www.gnu.org/licenses/>.19
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*20
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* Maintainer: Rob Herring <rob.herring@calxeda.com>21
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*/22
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#include <linux/cpuidle.h>24
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#include <linux/cpu_pm.h>25
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#include <linux/init.h>26
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#include <linux/mm.h>27
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#include <linux/platform_device.h>28
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#include <linux/psci.h>29
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#include <asm/cpuidle.h>29
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#include <asm/suspend.h>30
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#include <asm/psci.h>32
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#include <uapi/linux/psci.h>34
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#define CALXEDA_IDLE_PARAM \36
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((0 << PSCI_0_2_POWER_STATE_ID_SHIFT) | \37
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(0 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) | \38
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(PSCI_POWER_STATE_TYPE_POWER_DOWN << PSCI_0_2_POWER_STATE_TYPE_SHIFT))31
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static int calxeda_idle_finish(unsigned long val)33
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{34
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const struct psci_power_state ps = {35
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.type = PSCI_POWER_STATE_TYPE_POWER_DOWN,36
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};37
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return psci_ops.cpu_suspend(ps, __pa(cpu_resume));42
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return psci_ops.cpu_suspend(CALXEDA_IDLE_PARAM, __pa(cpu_resume));38
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}39
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static int calxeda_pwrdown_idle(struct cpuidle_device *dev,41
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struct cpuidle_driver *drv,42
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int index)43
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{44
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cpu_pm_enter();45
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cpu_suspend(0, calxeda_idle_finish);46
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cpu_pm_exit();47
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