write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/net/fjes/fjes_debugfs.c
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..
@@ -1,22 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  FUJITSU Extended Socket Network Device driver
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  *  Copyright (c) 2015-2016 FUJITSU LIMITED
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, see <http://www.gnu.org/licenses/>.
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- *
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- * The full GNU General Public License is included in this distribution in
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- * the file called "COPYING".
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- *
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  */
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 /* debugfs support for fjes driver */
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@@ -62,37 +47,16 @@
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47
 
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 	return 0;
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 }
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-
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-static int fjes_dbg_status_open(struct inode *inode, struct file *file)
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-{
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-	return single_open(file, fjes_dbg_status_show, inode->i_private);
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-}
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-
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-static const struct file_operations fjes_dbg_status_fops = {
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-	.owner		= THIS_MODULE,
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-	.open		= fjes_dbg_status_open,
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-	.read		= seq_read,
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-	.llseek		= seq_lseek,
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-	.release	= single_release,
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-};
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+DEFINE_SHOW_ATTRIBUTE(fjes_dbg_status);
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 void fjes_dbg_adapter_init(struct fjes_adapter *adapter)
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 {
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 	const char *name = dev_name(&adapter->plat_dev->dev);
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-	struct dentry *pfile;
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 	adapter->dbg_adapter = debugfs_create_dir(name, fjes_debug_root);
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-	if (!adapter->dbg_adapter) {
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-		dev_err(&adapter->plat_dev->dev,
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-			"debugfs entry for %s failed\n", name);
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-		return;
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-	}
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-	pfile = debugfs_create_file("status", 0444, adapter->dbg_adapter,
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-				    adapter, &fjes_dbg_status_fops);
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-	if (!pfile)
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-		dev_err(&adapter->plat_dev->dev,
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-			"debugfs status for %s failed\n", name);
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+	debugfs_create_file("status", 0444, adapter->dbg_adapter, adapter,
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+			    &fjes_dbg_status_fops);
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 }
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 void fjes_dbg_adapter_exit(struct fjes_adapter *adapter)
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@@ -104,8 +68,6 @@
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 void fjes_dbg_init(void)
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 {
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 	fjes_debug_root = debugfs_create_dir(fjes_driver_name, NULL);
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-	if (!fjes_debug_root)
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-		pr_info("init of debugfs failed\n");
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 }
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 void fjes_dbg_exit(void)