Release 4.12 drivers/cpuidle/cpuidle-calxeda.c
/*
* Copyright 2012 Calxeda, Inc.
*
* Based on arch/arm/plat-mxc/cpuidle.c: #v3.7
* Copyright 2012 Freescale Semiconductor, Inc.
* Copyright 2012 Linaro Ltd.
*
* 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/>.
*
* Maintainer: Rob Herring <rob.herring@calxeda.com>
*/
#include <linux/cpuidle.h>
#include <linux/cpu_pm.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/platform_device.h>
#include <linux/psci.h>
#include <asm/cpuidle.h>
#include <asm/suspend.h>
#include <uapi/linux/psci.h>
#define CALXEDA_IDLE_PARAM \
((0 << PSCI_0_2_POWER_STATE_ID_SHIFT) | \
(0 << PSCI_0_2_POWER_STATE_AFFL_SHIFT) | \
(PSCI_POWER_STATE_TYPE_POWER_DOWN << PSCI_0_2_POWER_STATE_TYPE_SHIFT))
static int calxeda_idle_finish(unsigned long val)
{
return psci_ops.cpu_suspend(CALXEDA_IDLE_PARAM, __pa(cpu_resume));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Herring | 22 | 95.65% | 2 | 66.67% |
| Mark Rutland | 1 | 4.35% | 1 | 33.33% |
| Total | 23 | 100.00% | 3 | 100.00% |
static int calxeda_pwrdown_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
{
cpu_pm_enter();
cpu_suspend(0, calxeda_idle_finish);
cpu_pm_exit();
return index;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Herring | 35 | 100.00% | 2 | 100.00% |
| Total | 35 | 100.00% | 2 | 100.00% |
static struct cpuidle_driver calxeda_idle_driver = {
.name = "calxeda_idle",
.states = {
ARM_CPUIDLE_WFI_STATE,
{
.name = "PG",
.desc = "Power Gate",
.exit_latency = 30,
.power_usage = 50,
.target_residency = 200,
.enter = calxeda_pwrdown_idle,
},
},
.state_count = 2,
};
static int calxeda_cpuidle_probe(struct platform_device *pdev)
{
return cpuidle_register(&calxeda_idle_driver, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Herring | 11 | 55.00% | 1 | 33.33% |
| Daniel Lezcano | 9 | 45.00% | 2 | 66.67% |
| Total | 20 | 100.00% | 3 | 100.00% |
static struct platform_driver calxeda_cpuidle_plat_driver = {
.driver = {
.name = "cpuidle-calxeda",
},
.probe = calxeda_cpuidle_probe,
};
builtin_platform_driver(calxeda_cpuidle_plat_driver);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Herring | 149 | 76.80% | 3 | 37.50% |
| Daniel Lezcano | 34 | 17.53% | 3 | 37.50% |
| Mark Rutland | 10 | 5.15% | 1 | 12.50% |
| Paul Gortmaker | 1 | 0.52% | 1 | 12.50% |
| Total | 194 | 100.00% | 8 | 100.00% |
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