Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/wimax/debug.h b/include/linux/wimax/debug.h
index aaf24ba..4dd2c1c 100644
--- a/include/linux/wimax/debug.h
+++ b/include/linux/wimax/debug.h
@@ -1,29 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Linux WiMAX
* Collection of tools to manage debug operations.
*
- *
* Copyright (C) 2005-2007 Intel Corporation
* 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.
- *
- *
* Don't #include this file directly, read on!
*
- *
* EXECUTING DEBUGGING ACTIONS OR NOT
*
* The main thing this framework provides is decission power to take a
@@ -43,7 +27,6 @@
* always false at compile time will get the code depending on it
* compiled out by optimization.
*
- *
* DEBUG LEVELS
*
* It is up to the caller to define how much a debugging level is.
@@ -52,14 +35,12 @@
* will always be taken). The increasing debug levels are used for
* increased verbosity.
*
- *
* USAGE
*
* Group the code in modules and submodules inside each module [which
* in most cases maps to Linux modules and .c files that compose
* those].
*
- *
* For each module, there is:
*
* - a MODULENAME (single word, legal C identifier)
@@ -117,9 +98,7 @@
* To manipulate from user space the levels, create a debugfs dentry
* and then register each submodule with:
*
- * result = d_level_register_debugfs("PREFIX_", submodule_X, parent);
- * if (result < 0)
- * goto error;
+ * d_level_register_debugfs("PREFIX_", submodule_X, parent);
*
* Where PREFIX_ is a name of your chosing. This will create debugfs
* file with a single numeric value that can be use to tweak it. To
@@ -128,7 +107,6 @@
* NOTE: remember that even if this will show attached to some
* particular instance of a device, the settings are *global*.
*
- *
* On each submodule (for example, .c files), the debug infrastructure
* should be included like this:
*
@@ -137,7 +115,6 @@
*
* after #including all your include files.
*
- *
* Now you can use the d_*() macros below [d_test(), d_fnstart(),
* d_fnend(), d_printf(), d_dump()].
*
@@ -429,25 +406,13 @@
* @submodule: name of submodule (not a string, just the name)
* @dentry: debugfs parent dentry
*
- * Returns: 0 if ok, < 0 errno on error.
- *
* For removing, just use debugfs_remove_recursive() on the parent.
*/
#define d_level_register_debugfs(prefix, name, parent) \
({ \
- int rc; \
- struct dentry *fd; \
- struct dentry *verify_parent_type = parent; \
- fd = debugfs_create_u8( \
- prefix #name, 0600, verify_parent_type, \
+ debugfs_create_u8( \
+ prefix #name, 0600, parent, \
&(D_LEVEL[__D_SUBMODULE_ ## name].level)); \
- rc = PTR_ERR(fd); \
- if (IS_ERR(fd) && rc != -ENODEV) \
- printk(KERN_ERR "%s: Can't create debugfs entry %s: " \
- "%d\n", __func__, prefix #name, rc); \
- else \
- rc = 0; \
- rc; \
})