ACPI: procfs: Remove last dirs after being marked deprecated for a decade
This code is outdated and has been deprecated for a long time, so user space is not expected to rely on it any more on any systems that are up to date by any reasonable measure. Remove it. Signed-off-by: Thomas Renninger <trenn@suse.de> [ rjw: Subject / changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Thomas Renninger
committed by
Rafael J. Wysocki
Rafael J. Wysocki
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8830280a69
@@ -13,10 +13,6 @@
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#include <linux/types.h>
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#include <linux/dmi.h>
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#include <linux/delay.h>
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#ifdef CONFIG_ACPI_PROCFS_POWER
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#endif
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#include <linux/platform_device.h>
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#include <linux/power_supply.h>
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#include <linux/acpi.h>
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@@ -66,12 +62,6 @@ static int acpi_ac_resume(struct device *dev);
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#endif
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static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
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#ifdef CONFIG_ACPI_PROCFS_POWER
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extern struct proc_dir_entry *acpi_lock_ac_dir(void);
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extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
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#endif
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static int ac_sleep_before_get_state_ms;
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static int ac_check_pmic = 1;
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@@ -150,77 +140,6 @@ static enum power_supply_property ac_props[] = {
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POWER_SUPPLY_PROP_ONLINE,
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};
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#ifdef CONFIG_ACPI_PROCFS_POWER
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/* --------------------------------------------------------------------------
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FS Interface (/proc)
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-------------------------------------------------------------------------- */
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static struct proc_dir_entry *acpi_ac_dir;
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static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
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{
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struct acpi_ac *ac = seq->private;
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if (!ac)
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return 0;
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if (acpi_ac_get_state(ac)) {
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seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
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return 0;
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}
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seq_puts(seq, "state: ");
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switch (ac->state) {
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case ACPI_AC_STATUS_OFFLINE:
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seq_puts(seq, "off-line\n");
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break;
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case ACPI_AC_STATUS_ONLINE:
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seq_puts(seq, "on-line\n");
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break;
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default:
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seq_puts(seq, "unknown\n");
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break;
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}
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return 0;
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}
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static int acpi_ac_add_fs(struct acpi_ac *ac)
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{
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struct proc_dir_entry *entry = NULL;
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printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
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" please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
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if (!acpi_device_dir(ac->device)) {
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acpi_device_dir(ac->device) =
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proc_mkdir(acpi_device_bid(ac->device), acpi_ac_dir);
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if (!acpi_device_dir(ac->device))
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return -ENODEV;
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}
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/* 'state' [R] */
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entry = proc_create_single_data(ACPI_AC_FILE_STATE, S_IRUGO,
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acpi_device_dir(ac->device), acpi_ac_seq_show, ac);
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if (!entry)
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return -ENODEV;
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return 0;
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}
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static int acpi_ac_remove_fs(struct acpi_ac *ac)
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{
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if (acpi_device_dir(ac->device)) {
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remove_proc_entry(ACPI_AC_FILE_STATE,
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acpi_device_dir(ac->device));
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remove_proc_entry(acpi_device_bid(ac->device), acpi_ac_dir);
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acpi_device_dir(ac->device) = NULL;
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}
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return 0;
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}
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#endif
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/* --------------------------------------------------------------------------
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Driver Model
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-------------------------------------------------------------------------- */
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@@ -348,11 +267,6 @@ static int acpi_ac_add(struct acpi_device *device)
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psy_cfg.drv_data = ac;
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ac->charger_desc.name = acpi_device_bid(device);
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#ifdef CONFIG_ACPI_PROCFS_POWER
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result = acpi_ac_add_fs(ac);
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if (result)
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goto end;
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#endif
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ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS;
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ac->charger_desc.properties = ac_props;
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ac->charger_desc.num_properties = ARRAY_SIZE(ac_props);
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@@ -372,9 +286,6 @@ static int acpi_ac_add(struct acpi_device *device)
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register_acpi_notifier(&ac->battery_nb);
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end:
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if (result) {
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#ifdef CONFIG_ACPI_PROCFS_POWER
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acpi_ac_remove_fs(ac);
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#endif
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kfree(ac);
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}
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@@ -418,10 +329,6 @@ static int acpi_ac_remove(struct acpi_device *device)
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power_supply_unregister(ac->charger);
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unregister_acpi_notifier(&ac->battery_nb);
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#ifdef CONFIG_ACPI_PROCFS_POWER
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acpi_ac_remove_fs(ac);
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#endif
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kfree(ac);
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return 0;
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@@ -447,18 +354,8 @@ static int __init acpi_ac_init(void)
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}
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}
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#ifdef CONFIG_ACPI_PROCFS_POWER
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acpi_ac_dir = acpi_lock_ac_dir();
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if (!acpi_ac_dir)
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return -ENODEV;
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#endif
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result = acpi_bus_register_driver(&acpi_ac_driver);
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if (result < 0) {
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#ifdef CONFIG_ACPI_PROCFS_POWER
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acpi_unlock_ac_dir(acpi_ac_dir);
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#endif
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return -ENODEV;
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}
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@@ -468,9 +365,6 @@ static int __init acpi_ac_init(void)
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static void __exit acpi_ac_exit(void)
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{
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acpi_bus_unregister_driver(&acpi_ac_driver);
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#ifdef CONFIG_ACPI_PROCFS_POWER
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acpi_unlock_ac_dir(acpi_ac_dir);
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#endif
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}
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module_init(acpi_ac_init);
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module_exit(acpi_ac_exit);
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