ACPI: introduce drivers/acpi/debugfs.c

[net-next-2.6.git] / drivers / acpi / debug.c

diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c
index 146135e7a6a125731ec902e898bfe4b9364c0d6e..22476eab2b08abdcd96f0bb94596e4ff139c1de9 100644 (file)
--- a/drivers/acpi/debug.c
+++ b/drivers/acpi/debug.c
@@ -197,80 +197,6 @@ static int param_get_trace_state(char *buffer, struct kernel_param *kp)
 module_param_call(trace_state, param_set_trace_state, param_get_trace_state,
                  NULL, 0644);
 
-/* --------------------------------------------------------------------------
-                               DebugFS Interface
-   -------------------------------------------------------------------------- */
-
-static ssize_t cm_write(struct file *file, const char __user *user_buf,
-                       size_t count, loff_t *ppos)
-{
-       static char *buf;
-       static int uncopied_bytes;
-       struct acpi_table_header table;
-       acpi_status status;
-
-       if (!(*ppos)) {
-               /* parse the table header to get the table length */
-               if (count <= sizeof(struct acpi_table_header))
-                       return -EINVAL;
-               if (copy_from_user(&table, user_buf,
-                       sizeof(struct acpi_table_header)))
-                       return -EFAULT;
-               uncopied_bytes = table.length;
-               buf = kzalloc(uncopied_bytes, GFP_KERNEL);
-               if (!buf)
-                       return -ENOMEM;
-       }
-
-       if (uncopied_bytes < count) {
-               kfree(buf);
-               return -EINVAL;
-       }
-
-       if (copy_from_user(buf + (*ppos), user_buf, count)) {
-               kfree(buf);
-               return -EFAULT;
-       }
-
-       uncopied_bytes -= count;
-       *ppos += count;
-
-       if (!uncopied_bytes) {
-               status = acpi_install_method(buf);
-               kfree(buf);
-               if (ACPI_FAILURE(status))
-                       return -EINVAL;
-               add_taint(TAINT_OVERRIDDEN_ACPI_TABLE);
-       }
-
-       return count;
-}
-
-static const struct file_operations cm_fops = {
-       .write = cm_write,
-};
-
-static int acpi_debugfs_init(void)
-{
-       struct dentry *acpi_dir, *cm_dentry;
-
-       acpi_dir = debugfs_create_dir("acpi", NULL);
-       if (!acpi_dir)
-               goto err;
-
-       cm_dentry = debugfs_create_file("custom_method", S_IWUGO,
-                                       acpi_dir, NULL, &cm_fops);
-       if (!cm_dentry)
-               goto err;
-
-       return 0;
-
-err:
-       if (acpi_dir)
-               debugfs_remove(acpi_dir);
-       return -EINVAL;
-}
-
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */
@@ -400,7 +326,6 @@ int __init acpi_procfs_init(void)
 
 int __init acpi_debug_init(void)
 {
-       acpi_debugfs_init();
        acpi_procfs_init();
        return 0;
 }