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This code is outdated and has been deprecated for a long time, so user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>

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);