mirror of https://gitee.com/openkylin/linux.git
ACPI / AC: Remove AC's proc directory.
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
Rafael J. Wysocki
parent
b5c37b798f
commit
ab0fd674d6
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@ -30,10 +30,6 @@
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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 <acpi/acpi_bus.h>
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@ -56,12 +52,6 @@ MODULE_AUTHOR("Paul Diefenbaugh");
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MODULE_DESCRIPTION("ACPI AC Adapter Driver");
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MODULE_LICENSE("GPL");
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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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static int acpi_ac_open_fs(struct inode *inode, struct file *file);
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#endif
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static int ac_sleep_before_get_state_ms;
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struct acpi_ac {
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@ -73,16 +63,6 @@ struct acpi_ac {
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#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
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#ifdef CONFIG_ACPI_PROCFS_POWER
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static const struct file_operations acpi_ac_fops = {
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.owner = THIS_MODULE,
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.open = acpi_ac_open_fs,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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#endif
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/* --------------------------------------------------------------------------
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AC Adapter Management
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-------------------------------------------------------------------------- */
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@ -132,83 +112,6 @@ 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_open_fs(struct inode *inode, struct file *file)
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{
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return single_open(file, acpi_ac_seq_show, PDE_DATA(inode));
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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->adev)) {
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acpi_device_dir(ac->adev) =
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proc_mkdir(acpi_device_bid(ac->adev), acpi_ac_dir);
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if (!acpi_device_dir(ac->adev))
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return -ENODEV;
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}
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/* 'state' [R] */
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entry = proc_create_data(ACPI_AC_FILE_STATE,
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S_IRUGO, acpi_device_dir(ac->adev),
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&acpi_ac_fops, 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->adev)) {
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remove_proc_entry(ACPI_AC_FILE_STATE,
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acpi_device_dir(ac->adev));
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remove_proc_entry(acpi_device_bid(ac->adev), acpi_ac_dir);
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acpi_device_dir(ac->adev) = 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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@ -293,11 +196,6 @@ static int acpi_ac_probe(struct platform_device *pdev)
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if (result)
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goto end;
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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.name = acpi_device_bid(adev);
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ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
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ac->charger.properties = ac_props;
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@ -317,13 +215,9 @@ static int acpi_ac_probe(struct platform_device *pdev)
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acpi_device_name(adev), acpi_device_bid(adev),
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ac->state ? "on-line" : "off-line");
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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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end:
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if (result)
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kfree(ac);
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}
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dmi_check_system(ac_dmi_table);
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return result;
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@ -366,10 +260,6 @@ static int acpi_ac_remove(struct platform_device *pdev)
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if (ac->charger.dev)
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power_supply_unregister(&ac->charger);
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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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@ -399,19 +289,9 @@ static int __init acpi_ac_init(void)
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if (acpi_disabled)
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return -ENODEV;
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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 = platform_driver_register(&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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if (result < 0)
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return -ENODEV;
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}
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return 0;
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}
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@ -419,9 +299,6 @@ 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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platform_driver_unregister(&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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