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Merge branch 'processor-procfs-2.6.32' into release

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This commit is contained in:
Len Brown 2009-09-19 02:10:40 -04:00
commit cbeee13570
5 changed files with 38 additions and 9 deletions
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6
drivers/acpi/Kconfig
View file

@ -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.

25
drivers/acpi/processor_core.c
View file

@ -82,7 +82,9 @@ MODULE_LICENSE("GPL");
static int acpi_processor_add(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 */
@ -1134,11 +1147,11 @@ 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.
@ -1166,7 +1179,9 @@ static int __init acpi_processor_init(void)
cpuidle_unregister_driver(&acpi_idle_driver);
out_proc:
#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
#endif
return result;
}
@ -1186,7 +1201,9 @@ 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;
}

10
drivers/acpi/processor_idle.c
View file

@ -682,6 +682,7 @@ 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;
@ -761,7 +762,7 @@ 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
@ -1162,7 +1163,9 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
{
acpi_status status = 0;
static int first_run;
#ifdef CONFIG_ACPI_PROCFS
struct proc_dir_entry *entry = NULL;
#endif
unsigned int i;
if (boot_option_idle_override)
@ -1219,7 +1222,7 @@ 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),
@ -1227,6 +1230,7 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr,
acpi_driver_data(device));
if (!entry)
return -EIO;
#endif
return 0;
}
@ -1239,9 +1243,11 @@ 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;
}

3
drivers/acpi/processor_thermal.c
View file

@ -440,7 +440,7 @@ 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;
@ -519,3 +519,4 @@ const struct file_operations acpi_processor_limit_fops = {
.llseek = seq_lseek,
.release = single_release,
};
#endif

3
drivers/acpi/processor_throttling.c
View file

@ -1218,7 +1218,7 @@ 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)
{
@ -1326,3 +1326,4 @@ const struct file_operations acpi_processor_throttling_fops = {
.llseek = seq_lseek,
.release = single_release,
};
#endif