File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/net/wimax/debugfs.c b/net/wimax/debugfs.c
new file mode 100644
index 0000000..6c9bedb
--- /dev/null
+++ b/net/wimax/debugfs.c
@@ -0,0 +1,80 @@
+/*
+ * Linux WiMAX
+ * Debugfs support
+ *
+ *
+ * Copyright (C) 2005-2006 Intel Corporation <linux-wimax@intel.com>
+ * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+#include <linux/debugfs.h>
+#include <linux/wimax.h>
+#include "wimax-internal.h"
+
+#define D_SUBMODULE debugfs
+#include "debug-levels.h"
+
+
+#define __debugfs_register(prefix, name, parent) \
+do { \
+ result = d_level_register_debugfs(prefix, name, parent); \
+ if (result < 0) \
+ goto error; \
+} while (0)
+
+
+int wimax_debugfs_add(struct wimax_dev *wimax_dev)
+{
+ int result;
+ struct net_device *net_dev = wimax_dev->net_dev;
+ struct device *dev = net_dev->dev.parent;
+ struct dentry *dentry;
+ char buf[128];
+
+ snprintf(buf, sizeof(buf), "wimax:%s", net_dev->name);
+ dentry = debugfs_create_dir(buf, NULL);
+ result = PTR_ERR(dentry);
+ if (IS_ERR(dentry)) {
+ if (result == -ENODEV)
+ result = 0; /* No debugfs support */
+ else
+ dev_err(dev, "Can't create debugfs dentry: %d\n",
+ result);
+ goto out;
+ }
+ wimax_dev->debugfs_dentry = dentry;
+ __debugfs_register("wimax_dl_", debugfs, dentry);
+ __debugfs_register("wimax_dl_", id_table, dentry);
+ __debugfs_register("wimax_dl_", op_msg, dentry);
+ __debugfs_register("wimax_dl_", op_reset, dentry);
+ __debugfs_register("wimax_dl_", op_rfkill, dentry);
+ __debugfs_register("wimax_dl_", op_state_get, dentry);
+ __debugfs_register("wimax_dl_", stack, dentry);
+ result = 0;
+out:
+ return result;
+
+error:
+ debugfs_remove_recursive(wimax_dev->debugfs_dentry);
+ return result;
+}
+
+void wimax_debugfs_rm(struct wimax_dev *wimax_dev)
+{
+ debugfs_remove_recursive(wimax_dev->debugfs_dentry);
+}
+
+