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path: root/drivers/acpi/cm_sbs.c
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Diffstat (limited to 'drivers/acpi/cm_sbs.c')
-rw-r--r--drivers/acpi/cm_sbs.c87
1 files changed, 0 insertions, 87 deletions
diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c
deleted file mode 100644
index 0ca9f82de8ba..000000000000
--- a/drivers/acpi/cm_sbs.c
+++ /dev/null
@@ -1,87 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/acpi.h>
-#include <linux/types.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-
-#define PREFIX "ACPI: "
-
-ACPI_MODULE_NAME("cm_sbs");
-#define ACPI_AC_CLASS "ac_adapter"
-#define ACPI_BATTERY_CLASS "battery"
-#define _COMPONENT ACPI_SBS_COMPONENT
-static struct proc_dir_entry *acpi_ac_dir;
-static struct proc_dir_entry *acpi_battery_dir;
-
-static DEFINE_MUTEX(cm_sbs_mutex);
-
-static int lock_ac_dir_cnt;
-static int lock_battery_dir_cnt;
-
-struct proc_dir_entry *acpi_lock_ac_dir(void)
-{
- mutex_lock(&cm_sbs_mutex);
- if (!acpi_ac_dir)
- acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir);
- if (acpi_ac_dir) {
- lock_ac_dir_cnt++;
- } else {
- printk(KERN_ERR PREFIX
- "Cannot create %s\n", ACPI_AC_CLASS);
- }
- mutex_unlock(&cm_sbs_mutex);
- return acpi_ac_dir;
-}
-EXPORT_SYMBOL(acpi_lock_ac_dir);
-
-void acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir_param)
-{
- mutex_lock(&cm_sbs_mutex);
- if (acpi_ac_dir_param)
- lock_ac_dir_cnt--;
- if (lock_ac_dir_cnt == 0 && acpi_ac_dir_param && acpi_ac_dir) {
- remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir);
- acpi_ac_dir = NULL;
- }
- mutex_unlock(&cm_sbs_mutex);
-}
-EXPORT_SYMBOL(acpi_unlock_ac_dir);
-
-struct proc_dir_entry *acpi_lock_battery_dir(void)
-{
- mutex_lock(&cm_sbs_mutex);
- if (!acpi_battery_dir) {
- acpi_battery_dir =
- proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir);
- }
- if (acpi_battery_dir) {
- lock_battery_dir_cnt++;
- } else {
- printk(KERN_ERR PREFIX
- "Cannot create %s\n", ACPI_BATTERY_CLASS);
- }
- mutex_unlock(&cm_sbs_mutex);
- return acpi_battery_dir;
-}
-EXPORT_SYMBOL(acpi_lock_battery_dir);
-
-void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir_param)
-{
- mutex_lock(&cm_sbs_mutex);
- if (acpi_battery_dir_param)
- lock_battery_dir_cnt--;
- if (lock_battery_dir_cnt == 0 && acpi_battery_dir_param
- && acpi_battery_dir) {
- remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir);
- acpi_battery_dir = NULL;
- }
- mutex_unlock(&cm_sbs_mutex);
- return;
-}
-EXPORT_SYMBOL(acpi_unlock_battery_dir);