Contributors: 4
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Mark Brown |
136 |
77.27% |
2 |
22.22% |
| Daniel Lezcano |
21 |
11.93% |
3 |
33.33% |
| Arnd Bergmann |
14 |
7.95% |
3 |
33.33% |
| Krzysztof Kozlowski |
5 |
2.84% |
1 |
11.11% |
| Total |
176 |
|
9 |
|
// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2011 Wolfson Microelectronics, plc
// Copyright (c) 2011 Samsung Electronics Co., Ltd.
// http://www.samsung.com
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/cpuidle.h>
#include <linux/io.h>
#include <linux/export.h>
#include <linux/time.h>
#include <asm/cpuidle.h>
#include "cpu.h"
#include "map.h"
#include "regs-sys-s3c64xx.h"
#include "regs-syscon-power-s3c64xx.h"
static int s3c64xx_enter_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
{
unsigned long tmp;
/* Setup PWRCFG to enter idle mode */
tmp = __raw_readl(S3C64XX_PWR_CFG);
tmp &= ~S3C64XX_PWRCFG_CFG_WFI_MASK;
tmp |= S3C64XX_PWRCFG_CFG_WFI_IDLE;
__raw_writel(tmp, S3C64XX_PWR_CFG);
cpu_do_idle();
return index;
}
static struct cpuidle_driver s3c64xx_cpuidle_driver = {
.name = "s3c64xx_cpuidle",
.owner = THIS_MODULE,
.states = {
{
.enter = s3c64xx_enter_idle,
.exit_latency = 1,
.target_residency = 1,
.name = "IDLE",
.desc = "System active, ARM gated",
},
},
.state_count = 1,
};
static int __init s3c64xx_init_cpuidle(void)
{
if (soc_is_s3c64xx())
return cpuidle_register(&s3c64xx_cpuidle_driver, NULL);
return 0;
}
device_initcall(s3c64xx_init_cpuidle);