cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/platforms/pseries/power.c

/*
 *  Interface for power-management for ppc64 compliant platform
 *
 *  Manish Ahuja <mahuja@us.ibm.com>
 *
 *  Feb 2007
 *
 *  Copyright (C) 2007 IBM Corporation.
 *
 *  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; version 2 of the License.
 *
 *  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.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/kobject.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <asm/machdep.h>

#include "pseries.h"


unsigned long rtas_poweron_auto; 
/* default and normal state is 0 */


static ssize_t auto_poweron_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { return sprintf(buf, "%lu\n", rtas_poweron_auto); }

Contributors

PersonTokensPropCommitsCommitProp
Manish Ahuja2376.67%150.00%
Greg Kroah-Hartman723.33%150.00%
Total30100.00%2100.00%


static ssize_t auto_poweron_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t n) { int ret; unsigned long ups_restart; ret = sscanf(buf, "%lu", &ups_restart); if ((ret == 1) && ((ups_restart == 1) || (ups_restart == 0))){ rtas_poweron_auto = ups_restart; return n; } return -EINVAL; }

Contributors

PersonTokensPropCommitsCommitProp
Manish Ahuja7191.03%150.00%
Greg Kroah-Hartman78.97%150.00%
Total78100.00%2100.00%

static struct kobj_attribute auto_poweron_attr = __ATTR(auto_poweron, 0644, auto_poweron_show, auto_poweron_store); #ifndef CONFIG_PM struct kobject *power_kobj; static struct attribute *g[] = { &auto_poweron_attr.attr, NULL, }; static struct attribute_group attr_group = { .attrs = g, };
static int __init pm_init(void) { power_kobj = kobject_create_and_add("power", NULL); if (!power_kobj) return -ENOMEM; return sysfs_create_group(power_kobj, &attr_group); }

Contributors

PersonTokensPropCommitsCommitProp
Manish Ahuja2261.11%133.33%
Greg Kroah-Hartman1438.89%266.67%
Total36100.00%3100.00%

machine_core_initcall(pseries, pm_init); #else
static int __init apo_pm_init(void) { return (sysfs_create_file(power_kobj, &auto_poweron_attr.attr)); }

Contributors

PersonTokensPropCommitsCommitProp
Manish Ahuja1881.82%125.00%
Greg Kroah-Hartman29.09%250.00%
Stephen Rothwell29.09%125.00%
Total22100.00%4100.00%

machine_device_initcall(pseries, apo_pm_init); #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Manish Ahuja20578.85%114.29%
Greg Kroah-Hartman4115.77%342.86%
Michael Ellerman93.46%114.29%
Daniel Axtens31.15%114.29%
Stephen Rothwell20.77%114.29%
Total260100.00%7100.00%
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