Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index 3d9e915..7d67f41 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* AT86RF230/RF231 driver
*
* Copyright (C) 2009-2012 Siemens AG
*
- * 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.
- *
* Written by:
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
@@ -1632,37 +1624,18 @@
seq_printf(file, "INVALID:\t\t%8llu\n", lp->trac.invalid);
return 0;
}
+DEFINE_SHOW_ATTRIBUTE(at86rf230_stats);
-static int at86rf230_stats_open(struct inode *inode, struct file *file)
-{
- return single_open(file, at86rf230_stats_show, inode->i_private);
-}
-
-static const struct file_operations at86rf230_stats_fops = {
- .open = at86rf230_stats_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
-static int at86rf230_debugfs_init(struct at86rf230_local *lp)
+static void at86rf230_debugfs_init(struct at86rf230_local *lp)
{
char debugfs_dir_name[DNAME_INLINE_LEN + 1] = "at86rf230-";
- struct dentry *stats;
strncat(debugfs_dir_name, dev_name(&lp->spi->dev), DNAME_INLINE_LEN);
at86rf230_debugfs_root = debugfs_create_dir(debugfs_dir_name, NULL);
- if (!at86rf230_debugfs_root)
- return -ENOMEM;
- stats = debugfs_create_file("trac_stats", 0444,
- at86rf230_debugfs_root, lp,
- &at86rf230_stats_fops);
- if (!stats)
- return -ENOMEM;
-
- return 0;
+ debugfs_create_file("trac_stats", 0444, at86rf230_debugfs_root, lp,
+ &at86rf230_stats_fops);
}
static void at86rf230_debugfs_remove(void)
@@ -1670,7 +1643,7 @@
debugfs_remove_recursive(at86rf230_debugfs_root);
}
#else
-static int at86rf230_debugfs_init(struct at86rf230_local *lp) { return 0; }
+static void at86rf230_debugfs_init(struct at86rf230_local *lp) { }
static void at86rf230_debugfs_remove(void) { }
#endif
@@ -1770,9 +1743,7 @@
/* going into sleep by default */
at86rf230_sleep(lp);
- rc = at86rf230_debugfs_init(lp);
- if (rc)
- goto free_dev;
+ at86rf230_debugfs_init(lp);
rc = ieee802154_register_hw(lp->hw);
if (rc)