Linux-libre 4.2-gnu

1 files changed, 0 insertions, 286 deletions

diff --git a/kernel/power/tuxonice_power_off.c b/kernel/power/tuxonice_power_off.c
deleted file mode 100644
index f8e969625..000000000
--- a/kernel/power/tuxonice_power_off.c
+++ /dev/null
@@ -1,286 +0,0 @@
-/*
- * kernel/power/tuxonice_power_off.c
- *
- * Copyright (C) 2006-2015 Nigel Cunningham (nigel at nigelcunningham com au)
- *
- * This file is released under the GPLv2.
- *
- * Support for powering down.
- */
-
-#include <linux/device.h>
-#include <linux/suspend.h>
-#include <linux/mm.h>
-#include <linux/pm.h>
-#include <linux/reboot.h>
-#include <linux/cpu.h>
-#include <linux/console.h>
-#include <linux/fs.h>
-#include "tuxonice.h"
-#include "tuxonice_ui.h"
-#include "tuxonice_power_off.h"
-#include "tuxonice_sysfs.h"
-#include "tuxonice_modules.h"
-#include "tuxonice_io.h"
-
-unsigned long toi_poweroff_method; /* 0 - Kernel power off */
-
-static int wake_delay;
-static char lid_state_file[256], wake_alarm_dir[256];
-static struct file *lid_file, *alarm_file, *epoch_file;
-static int post_wake_state = -1;
-
-static int did_suspend_to_both;
-
-/*
- * __toi_power_down
- * Functionality   : Powers down or reboots the computer once the image
- *                   has been written to disk.
- * Key Assumptions : Able to reboot/power down via code called or that
- *                   the warning emitted if the calls fail will be visible
- *                   to the user (ie printk resumes devices).
- */
-
-static void __toi_power_down(int method)
-{
-	int error;
-
-	toi_cond_pause(1, test_action_state(TOI_REBOOT) ? "Ready to reboot." :
-			"Powering down.");
-
-	if (test_result_state(TOI_ABORTED))
-		goto out;
-
-	if (test_action_state(TOI_REBOOT))
-		kernel_restart(NULL);
-
-	switch (method) {
-	case 0:
-		break;
-	case 3:
-		/*
-		 * Re-read the overwritten part of pageset2 to make post-resume
-		 * faster.
-		 */
-		if (read_pageset2(1))
-			panic("Attempt to reload pagedir 2 failed. "
-					"Try rebooting.");
-
-		pm_prepare_console();
-
-		error = pm_notifier_call_chain(PM_SUSPEND_PREPARE);
-		if (!error) {
-			pm_restore_gfp_mask();
-			error = suspend_devices_and_enter(PM_SUSPEND_MEM);
-			pm_restrict_gfp_mask();
-			if (!error)
-				did_suspend_to_both = 1;
-		}
-		pm_notifier_call_chain(PM_POST_SUSPEND);
-		pm_restore_console();
-
-		/* Success - we're now post-resume-from-ram */
-		if (did_suspend_to_both)
-			return;
-
-		/* Failed to suspend to ram - do normal power off */
-		break;
-	case 4:
-		/*
-		 * If succeeds, doesn't return. If fails, do a simple
-		 * powerdown.
-		 */
-		hibernation_platform_enter();
-		break;
-	case 5:
-		/* Historic entry only now */
-		break;
-	}
-
-	if (method && method != 5)
-		toi_cond_pause(1,
-			"Falling back to alternate power off method.");
-
-	if (test_result_state(TOI_ABORTED))
-		goto out;
-
-        if (pm_power_off)
-            kernel_power_off();
-	kernel_halt();
-	toi_cond_pause(1, "Powerdown failed.");
-	while (1)
-		cpu_relax();
-
-out:
-	if (read_pageset2(1))
-		panic("Attempt to reload pagedir 2 failed. Try rebooting.");
-	return;
-}
-
-#define CLOSE_FILE(file) \
-	if (file) { \
-		filp_close(file, NULL); file = NULL; \
-	}
-
-static void powerdown_cleanup(int toi_or_resume)
-{
-	if (!toi_or_resume)
-		return;
-
-	CLOSE_FILE(lid_file);
-	CLOSE_FILE(alarm_file);
-	CLOSE_FILE(epoch_file);
-}
-
-static void open_file(char *format, char *arg, struct file **var, int mode,
-		char *desc)
-{
-	char buf[256];
-
-	if (strlen(arg)) {
-		sprintf(buf, format, arg);
-		*var = filp_open(buf, mode, 0);
-		if (IS_ERR(*var) || !*var) {
-			printk(KERN_INFO "Failed to open %s file '%s' (%p).\n",
-				desc, buf, *var);
-			*var = NULL;
-		}
-	}
-}
-
-static int powerdown_init(int toi_or_resume)
-{
-	if (!toi_or_resume)
-		return 0;
-
-	did_suspend_to_both = 0;
-
-	open_file("/proc/acpi/button/%s/state", lid_state_file, &lid_file,
-			O_RDONLY, "lid");
-
-	if (strlen(wake_alarm_dir)) {
-		open_file("/sys/class/rtc/%s/wakealarm", wake_alarm_dir,
-				&alarm_file, O_WRONLY, "alarm");
-
-		open_file("/sys/class/rtc/%s/since_epoch", wake_alarm_dir,
-				&epoch_file, O_RDONLY, "epoch");
-	}
-
-	return 0;
-}
-
-static int lid_closed(void)
-{
-	char array[25];
-	ssize_t size;
-	loff_t pos = 0;
-
-	if (!lid_file)
-		return 0;
-
-	size = vfs_read(lid_file, (char __user *) array, 25, &pos);
-	if ((int) size < 1) {
-		printk(KERN_INFO "Failed to read lid state file (%d).\n",
-			(int) size);
-		return 0;
-	}
-
-	if (!strcmp(array, "state:      closed\n"))
-		return 1;
-
-	return 0;
-}
-
-static void write_alarm_file(int value)
-{
-	ssize_t size;
-	char buf[40];
-	loff_t pos = 0;
-
-	if (!alarm_file)
-		return;
-
-	sprintf(buf, "%d\n", value);
-
-	size = vfs_write(alarm_file, (char __user *)buf, strlen(buf), &pos);
-
-	if (size < 0)
-		printk(KERN_INFO "Error %d writing alarm value %s.\n",
-				(int) size, buf);
-}
-
-/**
- * toi_check_resleep: See whether to powerdown again after waking.
- *
- * After waking, check whether we should powerdown again in a (usually
- * different) way. We only do this if the lid switch is still closed.
- */
-void toi_check_resleep(void)
-{
-	/* We only return if we suspended to ram and woke. */
-	if (lid_closed() && post_wake_state >= 0)
-		__toi_power_down(post_wake_state);
-}
-
-void toi_power_down(void)
-{
-	if (alarm_file && wake_delay) {
-		char array[25];
-		loff_t pos = 0;
-		size_t size = vfs_read(epoch_file, (char __user *) array, 25,
-				&pos);
-
-		if (((int) size) < 1)
-			printk(KERN_INFO "Failed to read epoch file (%d).\n",
-					(int) size);
-		else {
-			unsigned long since_epoch;
-			if (!kstrtoul(array, 0, &since_epoch)) {
-				/* Clear any wakeup time. */
-				write_alarm_file(0);
-
-				/* Set new wakeup time. */
-				write_alarm_file(since_epoch + wake_delay);
-			}
-		}
-	}
-
-	__toi_power_down(toi_poweroff_method);
-
-	toi_check_resleep();
-}
-
-static struct toi_sysfs_data sysfs_params[] = {
-#if defined(CONFIG_ACPI)
-	SYSFS_STRING("lid_file", SYSFS_RW, lid_state_file, 256, 0, NULL),
-	SYSFS_INT("wake_delay", SYSFS_RW, &wake_delay, 0, INT_MAX, 0, NULL),
-	SYSFS_STRING("wake_alarm_dir", SYSFS_RW, wake_alarm_dir, 256, 0, NULL),
-	SYSFS_INT("post_wake_state", SYSFS_RW, &post_wake_state, -1, 5, 0,
-			NULL),
-	SYSFS_UL("powerdown_method", SYSFS_RW, &toi_poweroff_method, 0, 5, 0),
-	SYSFS_INT("did_suspend_to_both", SYSFS_READONLY, &did_suspend_to_both,
-		0, 0, 0, NULL)
-#endif
-};
-
-static struct toi_module_ops powerdown_ops = {
-	.type				= MISC_HIDDEN_MODULE,
-	.name				= "poweroff",
-	.initialise			= powerdown_init,
-	.cleanup			= powerdown_cleanup,
-	.directory			= "[ROOT]",
-	.module				= THIS_MODULE,
-	.sysfs_data			= sysfs_params,
-	.num_sysfs_entries		= sizeof(sysfs_params) /
-		sizeof(struct toi_sysfs_data),
-};
-
-int toi_poweroff_init(void)
-{
-	return toi_register_module(&powerdown_ops);
-}
-
-void toi_poweroff_exit(void)
-{
-	toi_unregister_module(&powerdown_ops);
-}