aboutsummaryrefslogtreecommitdiff
path: root/drivers/acpi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/Kconfig6
-rw-r--r--drivers/acpi/processor_core.c25
-rw-r--r--drivers/acpi/processor_idle.c8
-rw-r--r--drivers/acpi/processor_thermal.c3
-rw-r--r--drivers/acpi/processor_throttling.c3
5 files changed, 36 insertions, 9 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 431f8b43955..f26db487752 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -60,7 +60,11 @@ config ACPI_PROCFS
/proc/acpi/fadt (/sys/firmware/acpi/tables/FACP)
/proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer)
/proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level)
-
+ /proc/acpi/processor/*/power (/sys/devices/system/cpu/*/cpuidle/*)
+ /proc/acpi/processor/*/performance (/sys/devices/system/cpu/*/
+ cpufreq/*)
+ /proc/acpi/processor/*/throttling (/sys/class/thermal/
+ cooling_device*/*)
This option has no effect on /proc/acpi/ files
and functions which do not yet exist in /sys.
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 23f0fb84f1c..1b166c1be16 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -81,7 +81,9 @@ MODULE_LICENSE("GPL");
static int acpi_processor_add(struct acpi_device *device);
static int acpi_processor_start(struct acpi_device *device);
static int acpi_processor_remove(struct acpi_device *device, int type);
+#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
+#endif
static void acpi_processor_notify(struct acpi_device *device, u32 event);
static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
static int acpi_processor_handle_eject(struct acpi_processor *pr);
@@ -110,7 +112,7 @@ static struct acpi_driver acpi_processor_driver = {
#define INSTALL_NOTIFY_HANDLER 1
#define UNINSTALL_NOTIFY_HANDLER 2
-
+#ifdef CONFIG_ACPI_PROCFS
static const struct file_operations acpi_processor_info_fops = {
.owner = THIS_MODULE,
.open = acpi_processor_info_open_fs,
@@ -118,6 +120,7 @@ static const struct file_operations acpi_processor_info_fops = {
.llseek = seq_lseek,
.release = single_release,
};
+#endif
DEFINE_PER_CPU(struct acpi_processor *, processors);
struct acpi_processor_errata errata __read_mostly;
@@ -316,6 +319,7 @@ static int acpi_processor_set_pdc(struct acpi_processor *pr)
FS Interface (/proc)
-------------------------------------------------------------------------- */
+#ifdef CONFIG_ACPI_PROCFS
static struct proc_dir_entry *acpi_processor_dir = NULL;
static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset)
@@ -388,7 +392,6 @@ static int acpi_processor_add_fs(struct acpi_device *device)
return -EIO;
return 0;
}
-
static int acpi_processor_remove_fs(struct acpi_device *device)
{
@@ -405,6 +408,16 @@ static int acpi_processor_remove_fs(struct acpi_device *device)
return 0;
}
+#else
+static inline int acpi_processor_add_fs(struct acpi_device *device)
+{
+ return 0;
+}
+static inline int acpi_processor_remove_fs(struct acpi_device *device)
+{
+ return 0;
+}
+#endif
/* Use the acpiid in MADT to map cpus in case of SMP */
@@ -1147,11 +1160,11 @@ static int __init acpi_processor_init(void)
(struct acpi_table_header **)&madt)))
madt = NULL;
#endif
-
+#ifdef CONFIG_ACPI_PROCFS
acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
if (!acpi_processor_dir)
return -ENOMEM;
-
+#endif
/*
* Check whether the system is DMI table. If yes, OSPM
* should not use mwait for CPU-states.
@@ -1179,7 +1192,9 @@ out_cpuidle:
cpuidle_unregister_driver(&acpi_idle_driver);
out_proc:
+#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
+#endif
return result;
}
@@ -1196,7 +1211,9 @@ static void __exit acpi_processor_exit(void)
cpuidle_unregister_driver(&acpi_idle_driver);
+#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
+#endif
return;
}
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 10a2d913635..67b2fa1b5b6 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -679,6 +679,7 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr)
return 0;
}
+#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_processor *pr = seq->private;
@@ -758,7 +759,7 @@ static const struct file_operations acpi_processor_power_fops = {
.llseek = seq_lseek,
.release = single_release,
};
-
+#endif
/**
* acpi_idle_bm_check - checks if bus master activity was detected
@@ -1216,7 +1217,7 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
pr->power.states[i].type);
printk(")\n");
}
-
+#ifdef CONFIG_ACPI_PROCFS
/* 'power' [R] */
entry = proc_create_data(ACPI_PROCESSOR_FILE_POWER,
S_IRUGO, acpi_device_dir(device),
@@ -1224,6 +1225,7 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
acpi_driver_data(device));
if (!entry)
return -EIO;
+#endif
return 0;
}
@@ -1236,9 +1238,11 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
cpuidle_unregister_device(&pr->power.dev);
pr->flags.power_setup_done = 0;
+#ifdef CONFIG_ACPI_PROCFS
if (acpi_device_dir(device))
remove_proc_entry(ACPI_PROCESSOR_FILE_POWER,
acpi_device_dir(device));
+#endif
return 0;
}
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index 39838c66603..07e26140e97 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -438,7 +438,7 @@ struct thermal_cooling_device_ops processor_cooling_ops = {
};
/* /proc interface */
-
+#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_processor *pr = (struct acpi_processor *)seq->private;
@@ -517,3 +517,4 @@ const struct file_operations acpi_processor_limit_fops = {
.llseek = seq_lseek,
.release = single_release,
};
+#endif
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 227543789ba..16560014f7b 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -1214,7 +1214,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
}
/* proc interface */
-
+#ifdef CONFIG_ACPI_PROCFS
static int acpi_processor_throttling_seq_show(struct seq_file *seq,
void *offset)
{
@@ -1322,3 +1322,4 @@ const struct file_operations acpi_processor_throttling_fops = {
.llseek = seq_lseek,
.release = single_release,
};
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 20:43:58 +0000