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authorThomas Renninger <trenn@suse.de>2011-05-26 12:26:23 +0200
committerLen Brown <len.brown@intel.com>2011-05-29 01:50:04 -0400
commitaecad432fd68dafa5b3b497c4816fbfce6fd4066 (patch)
tree168b6b7358df13e2d1bd967c217599c77dd21fd8 /drivers
parent61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf (diff)
ACPI: Cleanup custom_method debug stuff
- Move param aml_debug_output to other params into sysfs.c - Split acpi_debugfs_init to prepare custom_method to be an own .config option and driver. Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: rui.zhang@intel.com Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/debugfs.c32
-rw-r--r--drivers/acpi/internal.h3
-rw-r--r--drivers/acpi/sysfs.c8
3 files changed, 23 insertions, 20 deletions
diff --git a/drivers/acpi/debugfs.c b/drivers/acpi/debugfs.c
index 384f7abcff77..e7abc6e3bba0 100644
--- a/drivers/acpi/debugfs.c
+++ b/drivers/acpi/debugfs.c
@@ -12,13 +12,8 @@
#define _COMPONENT ACPI_SYSTEM_COMPONENT
ACPI_MODULE_NAME("debugfs");
-
-/* /sys/modules/acpi/parameters/aml_debug_output */
-
-module_param_named(aml_debug_output, acpi_gbl_enable_aml_debug_object,
- bool, 0644);
-MODULE_PARM_DESC(aml_debug_output,
- "To enable/disable the ACPI Debug Object output.");
+struct dentry *acpi_debugfs_dir;
+static struct dentry *cm_dentry;
/* /sys/kernel/debug/acpi/custom_method */
@@ -80,23 +75,22 @@ static const struct file_operations cm_fops = {
.llseek = default_llseek,
};
-int __init acpi_debugfs_init(void)
+static int __init acpi_custom_method_init(void)
{
- struct dentry *acpi_dir, *cm_dentry;
-
- acpi_dir = debugfs_create_dir("acpi", NULL);
- if (!acpi_dir)
- goto err;
+ if (!acpi_debugfs_dir)
+ return -ENOENT;
cm_dentry = debugfs_create_file("custom_method", S_IWUSR,
- acpi_dir, NULL, &cm_fops);
+ acpi_debugfs_dir, NULL, &cm_fops);
if (!cm_dentry)
- goto err;
+ return -ENODEV;
return 0;
+}
+
+void __init acpi_debugfs_init(void)
+{
+ acpi_debugfs_dir = debugfs_create_dir("acpi", NULL);
-err:
- if (acpi_dir)
- debugfs_remove(acpi_dir);
- return -EINVAL;
+ acpi_custom_method_init();
}
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 4bfb759deb10..ca75b9ce0489 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -28,9 +28,10 @@ int acpi_scan_init(void);
int acpi_sysfs_init(void);
#ifdef CONFIG_DEBUG_FS
+extern struct dentry *acpi_debugfs_dir;
int acpi_debugfs_init(void);
#else
-static inline int acpi_debugfs_init(void) { return 0; }
+static inline void acpi_debugfs_init(void) { return; }
#endif
/* --------------------------------------------------------------------------
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 61891e75583d..77255f250dbb 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -220,6 +220,14 @@ module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
NULL, 0644);
#endif /* CONFIG_ACPI_DEBUG */
+
+/* /sys/modules/acpi/parameters/aml_debug_output */
+
+module_param_named(aml_debug_output, acpi_gbl_enable_aml_debug_object,
+ bool, 0644);
+MODULE_PARM_DESC(aml_debug_output,
+ "To enable/disable the ACPI Debug Object output.");
+
/* /sys/module/acpi/parameters/acpica_version */
static int param_get_acpica_version(char *buffer, struct kernel_param *kp)
{