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ACPI / AC: Remove AC's proc directory.

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AC's proc directory is not used and so remove it. Prepare for removing
/proc/acpi directory.

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lan Tianyu 2013-10-12 21:04:48 +08:00 committed by Rafael J. Wysocki
parent b5c37b798f
commit ab0fd674d6
1 changed files with 3 additions and 126 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

129
drivers/acpi/ac.c
View file

@ -30,10 +30,6 @@
#include <linux/types.h>
#include <linux/dmi.h>
#include <linux/delay.h>
#ifdef CONFIG_ACPI_PROCFS_POWER
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#endif
#include <linux/platform_device.h>
#include <linux/power_supply.h>
#include <acpi/acpi_bus.h>
@ -56,12 +52,6 @@ MODULE_AUTHOR("Paul Diefenbaugh");
MODULE_DESCRIPTION("ACPI AC Adapter Driver");
MODULE_LICENSE("GPL");
#ifdef CONFIG_ACPI_PROCFS_POWER
extern struct proc_dir_entry *acpi_lock_ac_dir(void);
extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
static int acpi_ac_open_fs(struct inode *inode, struct file *file);
#endif
static int ac_sleep_before_get_state_ms;
struct acpi_ac {
@ -73,16 +63,6 @@ struct acpi_ac {
#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
#ifdef CONFIG_ACPI_PROCFS_POWER
static const struct file_operations acpi_ac_fops = {
.owner = THIS_MODULE,
.open = acpi_ac_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
#endif
/* --------------------------------------------------------------------------
AC Adapter Management
-------------------------------------------------------------------------- */
@ -132,83 +112,6 @@ static enum power_supply_property ac_props[] = {
POWER_SUPPLY_PROP_ONLINE,
};
#ifdef CONFIG_ACPI_PROCFS_POWER
/* --------------------------------------------------------------------------
FS Interface (/proc)
-------------------------------------------------------------------------- */
static struct proc_dir_entry *acpi_ac_dir;
static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_ac *ac = seq->private;
if (!ac)
return 0;
if (acpi_ac_get_state(ac)) {
seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
return 0;
}
seq_puts(seq, "state: ");
switch (ac->state) {
case ACPI_AC_STATUS_OFFLINE:
seq_puts(seq, "off-line\n");
break;
case ACPI_AC_STATUS_ONLINE:
seq_puts(seq, "on-line\n");
break;
default:
seq_puts(seq, "unknown\n");
break;
}
return 0;
}
static int acpi_ac_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_ac_seq_show, PDE_DATA(inode));
}
static int acpi_ac_add_fs(struct acpi_ac *ac)
{
struct proc_dir_entry *entry = NULL;
printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
" please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
if (!acpi_device_dir(ac->adev)) {
acpi_device_dir(ac->adev) =
proc_mkdir(acpi_device_bid(ac->adev), acpi_ac_dir);
if (!acpi_device_dir(ac->adev))
return -ENODEV;
}
/* 'state' [R] */
entry = proc_create_data(ACPI_AC_FILE_STATE,
S_IRUGO, acpi_device_dir(ac->adev),
&acpi_ac_fops, ac);
if (!entry)
return -ENODEV;
return 0;
}
static int acpi_ac_remove_fs(struct acpi_ac *ac)
{
if (acpi_device_dir(ac->adev)) {
remove_proc_entry(ACPI_AC_FILE_STATE,
acpi_device_dir(ac->adev));
remove_proc_entry(acpi_device_bid(ac->adev), acpi_ac_dir);
acpi_device_dir(ac->adev) = NULL;
}
return 0;
}
#endif
/* --------------------------------------------------------------------------
Driver Model
-------------------------------------------------------------------------- */
@ -293,11 +196,6 @@ static int acpi_ac_probe(struct platform_device *pdev)
if (result)
goto end;
#ifdef CONFIG_ACPI_PROCFS_POWER
result = acpi_ac_add_fs(ac);
if (result)
goto end;
#endif
ac->charger.name = acpi_device_bid(adev);
ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
ac->charger.properties = ac_props;
@ -317,13 +215,9 @@ static int acpi_ac_probe(struct platform_device *pdev)
acpi_device_name(adev), acpi_device_bid(adev),
ac->state ? "on-line" : "off-line");
end:
if (result) {
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_ac_remove_fs(ac);
#endif
end:
if (result)
kfree(ac);
}
dmi_check_system(ac_dmi_table);
return result;
@ -366,10 +260,6 @@ static int acpi_ac_remove(struct platform_device *pdev)
if (ac->charger.dev)
power_supply_unregister(&ac->charger);
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_ac_remove_fs(ac);
#endif
kfree(ac);
return 0;
@ -399,19 +289,9 @@ static int __init acpi_ac_init(void)
if (acpi_disabled)
return -ENODEV;
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_ac_dir = acpi_lock_ac_dir();
if (!acpi_ac_dir)
return -ENODEV;
#endif
result = platform_driver_register(&acpi_ac_driver);
if (result < 0) {
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_unlock_ac_dir(acpi_ac_dir);
#endif
if (result < 0)
return -ENODEV;
}
return 0;
}
@ -419,9 +299,6 @@ static int __init acpi_ac_init(void)
static void __exit acpi_ac_exit(void)
{
platform_driver_unregister(&acpi_ac_driver);
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_unlock_ac_dir(acpi_ac_dir);
#endif
}
module_init(acpi_ac_init);
module_exit(acpi_ac_exit);