Linux-libre 4.2-gnu

1 files changed, 0 insertions, 333 deletions

diff --git a/kernel/power/tuxonice_sysfs.c b/kernel/power/tuxonice_sysfs.c
deleted file mode 100644
index 79c9315b6..000000000
--- a/kernel/power/tuxonice_sysfs.c
+++ /dev/null
@@ -1,333 +0,0 @@
-/*
- * kernel/power/tuxonice_sysfs.c
- *
- * Copyright (C) 2002-2015 Nigel Cunningham (nigel at nigelcunningham com au)
- *
- * This file is released under the GPLv2.
- *
- * This file contains support for sysfs entries for tuning TuxOnIce.
- *
- * We have a generic handler that deals with the most common cases, and
- * hooks for special handlers to use.
- */
-
-#include <linux/suspend.h>
-
-#include "tuxonice_sysfs.h"
-#include "tuxonice.h"
-#include "tuxonice_storage.h"
-#include "tuxonice_alloc.h"
-
-static int toi_sysfs_initialised;
-
-static void toi_initialise_sysfs(void);
-
-static struct toi_sysfs_data sysfs_params[];
-
-#define to_sysfs_data(_attr) container_of(_attr, struct toi_sysfs_data, attr)
-
-static void toi_main_wrapper(void)
-{
-	toi_try_hibernate();
-}
-
-static ssize_t toi_attr_show(struct kobject *kobj, struct attribute *attr,
-			      char *page)
-{
-	struct toi_sysfs_data *sysfs_data = to_sysfs_data(attr);
-	int len = 0;
-	int full_prep = sysfs_data->flags & SYSFS_NEEDS_SM_FOR_READ;
-
-	if (full_prep && toi_start_anything(0))
-		return -EBUSY;
-
-	if (sysfs_data->flags & SYSFS_NEEDS_SM_FOR_READ)
-		toi_prepare_usm();
-
-	switch (sysfs_data->type) {
-	case TOI_SYSFS_DATA_CUSTOM:
-		len = (sysfs_data->data.special.read_sysfs) ?
-			(sysfs_data->data.special.read_sysfs)(page, PAGE_SIZE)
-			: 0;
-		break;
-	case TOI_SYSFS_DATA_BIT:
-		len = sprintf(page, "%d\n",
-			-test_bit(sysfs_data->data.bit.bit,
-				sysfs_data->data.bit.bit_vector));
-		break;
-	case TOI_SYSFS_DATA_INTEGER:
-		len = sprintf(page, "%d\n",
-			*(sysfs_data->data.integer.variable));
-		break;
-	case TOI_SYSFS_DATA_LONG:
-		len = sprintf(page, "%ld\n",
-			*(sysfs_data->data.a_long.variable));
-		break;
-	case TOI_SYSFS_DATA_UL:
-		len = sprintf(page, "%lu\n",
-			*(sysfs_data->data.ul.variable));
-		break;
-	case TOI_SYSFS_DATA_STRING:
-		len = sprintf(page, "%s\n",
-			sysfs_data->data.string.variable);
-		break;
-	}
-
-	if (sysfs_data->flags & SYSFS_NEEDS_SM_FOR_READ)
-		toi_cleanup_usm();
-
-	if (full_prep)
-		toi_finish_anything(0);
-
-	return len;
-}
-
-#define BOUND(_variable, _type) do { \
-	if (*_variable < sysfs_data->data._type.minimum) \
-		*_variable = sysfs_data->data._type.minimum; \
-	else if (*_variable > sysfs_data->data._type.maximum) \
-		*_variable = sysfs_data->data._type.maximum; \
-} while (0)
-
-static ssize_t toi_attr_store(struct kobject *kobj, struct attribute *attr,
-		const char *my_buf, size_t count)
-{
-	int assigned_temp_buffer = 0, result = count;
-	struct toi_sysfs_data *sysfs_data = to_sysfs_data(attr);
-
-	if (toi_start_anything((sysfs_data->flags & SYSFS_HIBERNATE_OR_RESUME)))
-		return -EBUSY;
-
-	((char *) my_buf)[count] = 0;
-
-	if (sysfs_data->flags & SYSFS_NEEDS_SM_FOR_WRITE)
-		toi_prepare_usm();
-
-	switch (sysfs_data->type) {
-	case TOI_SYSFS_DATA_CUSTOM:
-		if (sysfs_data->data.special.write_sysfs)
-			result = (sysfs_data->data.special.write_sysfs)(my_buf,
-					count);
-		break;
-	case TOI_SYSFS_DATA_BIT:
-		{
-		unsigned long value;
-		result = kstrtoul(my_buf, 0, &value);
-		if (result)
-			break;
-		if (value)
-			set_bit(sysfs_data->data.bit.bit,
-				(sysfs_data->data.bit.bit_vector));
-		else
-			clear_bit(sysfs_data->data.bit.bit,
-				(sysfs_data->data.bit.bit_vector));
-		}
-		break;
-	case TOI_SYSFS_DATA_INTEGER:
-		{
-			long temp;
-			result = kstrtol(my_buf, 0, &temp);
-			if (result)
-				break;
-			*(sysfs_data->data.integer.variable) = (int) temp;
-			BOUND(sysfs_data->data.integer.variable, integer);
-			break;
-		}
-	case TOI_SYSFS_DATA_LONG:
-		{
-			long *variable =
-				sysfs_data->data.a_long.variable;
-			result = kstrtol(my_buf, 0, variable);
-			if (result)
-				break;
-			BOUND(variable, a_long);
-			break;
-		}
-	case TOI_SYSFS_DATA_UL:
-		{
-			unsigned long *variable =
-				sysfs_data->data.ul.variable;
-			result = kstrtoul(my_buf, 0, variable);
-			if (result)
-				break;
-			BOUND(variable, ul);
-			break;
-		}
-		break;
-	case TOI_SYSFS_DATA_STRING:
-		{
-			int copy_len = count;
-			char *variable =
-				sysfs_data->data.string.variable;
-
-			if (sysfs_data->data.string.max_length &&
-			    (copy_len > sysfs_data->data.string.max_length))
-				copy_len = sysfs_data->data.string.max_length;
-
-			if (!variable) {
-				variable = (char *) toi_get_zeroed_page(31,
-						TOI_ATOMIC_GFP);
-				sysfs_data->data.string.variable = variable;
-				assigned_temp_buffer = 1;
-			}
-			strncpy(variable, my_buf, copy_len);
-			if (copy_len && my_buf[copy_len - 1] == '\n')
-				variable[count - 1] = 0;
-			variable[count] = 0;
-		}
-		break;
-	}
-
-	if (!result)
-		result = count;
-
-	/* Side effect routine? */
-	if (result == count && sysfs_data->write_side_effect)
-		sysfs_data->write_side_effect();
-
-	/* Free temporary buffers */
-	if (assigned_temp_buffer) {
-		toi_free_page(31,
-			(unsigned long) sysfs_data->data.string.variable);
-		sysfs_data->data.string.variable = NULL;
-	}
-
-	if (sysfs_data->flags & SYSFS_NEEDS_SM_FOR_WRITE)
-		toi_cleanup_usm();
-
-	toi_finish_anything(sysfs_data->flags & SYSFS_HIBERNATE_OR_RESUME);
-
-	return result;
-}
-
-static struct sysfs_ops toi_sysfs_ops = {
-	.show	= &toi_attr_show,
-	.store	= &toi_attr_store,
-};
-
-static struct kobj_type toi_ktype = {
-	.sysfs_ops	= &toi_sysfs_ops,
-};
-
-struct kobject *tuxonice_kobj;
-
-/* Non-module sysfs entries.
- *
- * This array contains entries that are automatically registered at
- * boot. Modules and the console code register their own entries separately.
- */
-
-static struct toi_sysfs_data sysfs_params[] = {
-	SYSFS_CUSTOM("do_hibernate", SYSFS_WRITEONLY, NULL, NULL,
-		SYSFS_HIBERNATING, toi_main_wrapper),
-	SYSFS_CUSTOM("do_resume", SYSFS_WRITEONLY, NULL, NULL,
-		SYSFS_RESUMING, toi_try_resume)
-};
-
-void remove_toi_sysdir(struct kobject *kobj)
-{
-	if (!kobj)
-		return;
-
-	kobject_put(kobj);
-}
-
-struct kobject *make_toi_sysdir(char *name)
-{
-	struct kobject *kobj = kobject_create_and_add(name, tuxonice_kobj);
-
-	if (!kobj) {
-		printk(KERN_INFO "TuxOnIce: Can't allocate kobject for sysfs "
-				"dir!\n");
-		return NULL;
-	}
-
-	kobj->ktype = &toi_ktype;
-
-	return kobj;
-}
-
-/* toi_register_sysfs_file
- *
- * Helper for registering a new /sysfs/tuxonice entry.
- */
-
-int toi_register_sysfs_file(
-		struct kobject *kobj,
-		struct toi_sysfs_data *toi_sysfs_data)
-{
-	int result;
-
-	if (!toi_sysfs_initialised)
-		toi_initialise_sysfs();
-
-	result = sysfs_create_file(kobj, &toi_sysfs_data->attr);
-	if (result)
-		printk(KERN_INFO "TuxOnIce: sysfs_create_file for %s "
-			"returned %d.\n",
-			toi_sysfs_data->attr.name, result);
-	kobj->ktype = &toi_ktype;
-
-	return result;
-}
-
-/* toi_unregister_sysfs_file
- *
- * Helper for removing unwanted /sys/power/tuxonice entries.
- *
- */
-void toi_unregister_sysfs_file(struct kobject *kobj,
-		struct toi_sysfs_data *toi_sysfs_data)
-{
-	sysfs_remove_file(kobj, &toi_sysfs_data->attr);
-}
-
-void toi_cleanup_sysfs(void)
-{
-	int i,
-	    numfiles = sizeof(sysfs_params) / sizeof(struct toi_sysfs_data);
-
-	if (!toi_sysfs_initialised)
-		return;
-
-	for (i = 0; i < numfiles; i++)
-		toi_unregister_sysfs_file(tuxonice_kobj, &sysfs_params[i]);
-
-	kobject_put(tuxonice_kobj);
-	toi_sysfs_initialised = 0;
-}
-
-/* toi_initialise_sysfs
- *
- * Initialise the /sysfs/tuxonice directory.
- */
-
-static void toi_initialise_sysfs(void)
-{
-	int i;
-	int numfiles = sizeof(sysfs_params) / sizeof(struct toi_sysfs_data);
-
-	if (toi_sysfs_initialised)
-		return;
-
-	/* Make our TuxOnIce directory a child of /sys/power */
-	tuxonice_kobj = kobject_create_and_add("tuxonice", power_kobj);
-	if (!tuxonice_kobj)
-		return;
-
-	toi_sysfs_initialised = 1;
-
-	for (i = 0; i < numfiles; i++)
-		toi_register_sysfs_file(tuxonice_kobj, &sysfs_params[i]);
-}
-
-int toi_sysfs_init(void)
-{
-	toi_initialise_sysfs();
-	return 0;
-}
-
-void toi_sysfs_exit(void)
-{
-	toi_cleanup_sysfs();
-}