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authorLen Brown <len.brown@intel.com>2009-09-19 02:10:40 -0400
committerLen Brown <len.brown@intel.com>2009-09-19 02:10:40 -0400
commitcbeee13570adfb0af494a07074958e4888c2351c (patch)
tree998d9ff501c4abe19ebe5c262aa5b7052fa80b72 /drivers/acpi/processor_core.c
parent7ef0143e2f898f9bf675c81bdf0e045c8dd53c57 (diff)
parentb188e4ce3b7965ecc8d45191042cc9d25f6b90ee (diff)
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Merge branch 'processor-procfs-2.6.32' into release
Diffstat (limited to 'drivers/acpi/processor_core.c')
-rw-r--r--drivers/acpi/processor_core.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index b972107a1ef2..c2d4d6e09364 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -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 @@ 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;
}
@@ -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;
}