cregit-Linux how code gets into the kernel

Release 4.9 arch/arm/mach-s3c24xx/pm-s3c2416.c

/* linux/arch/arm/mach-s3c2416/pm.c
 *
 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
 *              http://www.samsung.com
 *
 * S3C2416 - PM support (Based on Ben Dooks' S3C2412 PM support)
 *
 * 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/device.h>
#include <linux/syscore_ops.h>
#include <linux/io.h>

#include <asm/cacheflush.h>

#include <mach/regs-s3c2443-clock.h>

#include <plat/cpu.h>
#include <plat/pm.h>

#include "s3c2412-power.h"

#ifdef CONFIG_PM_SLEEP
extern void s3c2412_sleep_enter(void);


static int s3c2416_cpu_suspend(unsigned long arg) { /* enable wakeup sources regardless of battery state */ __raw_writel(S3C2443_PWRCFG_SLEEP, S3C2443_PWRCFG); /* set the mode as sleep, 2BED represents "Go to BED" */ __raw_writel(0x2BED, S3C2443_PWRMODE); s3c2412_sleep_enter(); pr_info("Failed to suspend the system\n"); return 1; /* Aborting suspend */ }

Contributors

PersonTokensPropCommitsCommitProp
abhilash kesavanabhilash kesavan3181.58%250.00%
russell kingrussell king718.42%250.00%
Total38100.00%4100.00%


static void s3c2416_pm_prepare(void) { /* * write the magic value u-boot uses to check for resume into * the INFORM0 register, and ensure INFORM1 is set to the * correct address to resume from. */ __raw_writel(0x2BED, S3C2412_INFORM0); __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1); }

Contributors

PersonTokensPropCommitsCommitProp
abhilash kesavanabhilash kesavan26100.00%1100.00%
Total26100.00%1100.00%


static int s3c2416_pm_add(struct device *dev, struct subsys_interface *sif) { pm_cpu_prep = s3c2416_pm_prepare; pm_cpu_sleep = s3c2416_cpu_suspend; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
abhilash kesavanabhilash kesavan2074.07%133.33%
heiko stuebnerheiko stuebner518.52%133.33%
kay sieverskay sievers27.41%133.33%
Total27100.00%3100.00%

static struct subsys_interface s3c2416_pm_interface = { .name = "s3c2416_pm", .subsys = &s3c2416_subsys, .add_dev = s3c2416_pm_add, };
static __init int s3c2416_pm_init(void) { return subsys_interface_register(&s3c2416_pm_interface); }

Contributors

PersonTokensPropCommitsCommitProp
abhilash kesavanabhilash kesavan850.00%133.33%
rafael j. wysockirafael j. wysocki637.50%133.33%
kay sieverskay sievers212.50%133.33%
Total16100.00%3100.00%

arch_initcall(s3c2416_pm_init); #endif
static void s3c2416_pm_resume(void) { /* unset the return-from-sleep amd inform flags */ __raw_writel(0x0, S3C2443_PWRMODE); __raw_writel(0x0, S3C2412_INFORM0); __raw_writel(0x0, S3C2412_INFORM1); }

Contributors

PersonTokensPropCommitsCommitProp
abhilash kesavanabhilash kesavan2893.33%150.00%
rafael j. wysockirafael j. wysocki26.67%150.00%
Total30100.00%2100.00%

struct syscore_ops s3c2416_pm_syscore_ops = { .resume = s3c2416_pm_resume, };

Overall Contributors

PersonTokensPropCommitsCommitProp
abhilash kesavanabhilash kesavan14668.54%222.22%
rafael j. wysockirafael j. wysocki2712.68%111.11%
kay sieverskay sievers198.92%111.11%
russell kingrussell king73.29%222.22%
arnd bergmannarnd bergmann52.35%111.11%
heiko stuebnerheiko stuebner52.35%111.11%
kukjin kimkukjin kim41.88%111.11%
Total213100.00%9100.00%