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path: root/drivers/acpi/sleep/proc.c
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Diffstat (limited to 'drivers/acpi/sleep/proc.c')
-rw-r--r--drivers/acpi/sleep/proc.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/acpi/sleep/proc.c b/drivers/acpi/sleep/proc.c
index 61f1822cc35..ed58e1168ae 100644
--- a/drivers/acpi/sleep/proc.c
+++ b/drivers/acpi/sleep/proc.c
@@ -14,8 +14,16 @@
#include "sleep.h"
#define _COMPONENT ACPI_SYSTEM_COMPONENT
+
+/*
+ * this file provides support for:
+ * /proc/acpi/sleep
+ * /proc/acpi/alarm
+ * /proc/acpi/wakeup
+ */
+
ACPI_MODULE_NAME("sleep")
-#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP
+#ifdef CONFIG_ACPI_PROCFS
static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
{
int i;
@@ -68,7 +76,7 @@ acpi_system_write_sleep(struct file *file,
Done:
return error ? error : count;
}
-#endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */
+#endif /* CONFIG_ACPI_PROCFS */
#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE)
/* use /sys/class/rtc/rtcX/wakealarm instead; it's not ACPI-specific */
@@ -463,7 +471,7 @@ static const struct file_operations acpi_system_wakeup_device_fops = {
.release = single_release,
};
-#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP
+#ifdef CONFIG_ACPI_PROCFS
static const struct file_operations acpi_system_sleep_fops = {
.open = acpi_system_sleep_open_fs,
.read = seq_read,
@@ -471,7 +479,7 @@ static const struct file_operations acpi_system_sleep_fops = {
.llseek = seq_lseek,
.release = single_release,
};
-#endif /* CONFIG_ACPI_SLEEP_PROC_SLEEP */
+#endif /* CONFIG_ACPI_PROCFS */
#ifdef HAVE_ACPI_LEGACY_ALARM
static const struct file_operations acpi_system_alarm_fops = {
@@ -498,14 +506,14 @@ static int __init acpi_sleep_proc_init(void)
if (acpi_disabled)
return 0;
-#ifdef CONFIG_ACPI_SLEEP_PROC_SLEEP
+#ifdef CONFIG_ACPI_PROCFS
/* 'sleep' [R/W] */
entry =
create_proc_entry("sleep", S_IFREG | S_IRUGO | S_IWUSR,
acpi_root_dir);
if (entry)
entry->proc_fops = &acpi_system_sleep_fops;
-#endif
+#endif /* CONFIG_ACPI_PROCFS */
#ifdef HAVE_ACPI_LEGACY_ALARM
/* 'alarm' [R/W] */