修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/kernel/time/timekeeping_debug.c
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@@ -1,17 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0+
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 /*
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  * debugfs file to track time spent in suspend
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  *
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  * Copyright (c) 2011, Google, Inc.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that 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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 #include <linux/debugfs.h>
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@@ -28,7 +19,7 @@
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 static unsigned int sleep_time_bin[NUM_BINS] = {0};
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-static int tk_debug_show_sleep_time(struct seq_file *s, void *data)
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+static int tk_debug_sleep_time_show(struct seq_file *s, void *data)
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 {
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 	unsigned int bin;
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 	seq_puts(s, "      time (secs)        count\n");
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@@ -42,30 +33,12 @@
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 	}
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 	return 0;
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 }
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-
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-static int tk_debug_sleep_time_open(struct inode *inode, struct file *file)
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-{
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-	return single_open(file, tk_debug_show_sleep_time, NULL);
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-}
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-
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-static const struct file_operations tk_debug_sleep_time_fops = {
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-	.open		= tk_debug_sleep_time_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(tk_debug_sleep_time);
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 static int __init tk_debug_sleep_time_init(void)
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 {
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-	struct dentry *d;
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-
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-	d = debugfs_create_file("sleep_time", 0444, NULL, NULL,
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-		&tk_debug_sleep_time_fops);
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-	if (!d) {
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-		pr_err("Failed to create sleep_time debug file\n");
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-		return -ENOMEM;
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-	}
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-
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+	debugfs_create_file("sleep_time", 0444, NULL, NULL,
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+			    &tk_debug_sleep_time_fops);
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 	return 0;
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 }
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 late_initcall(tk_debug_sleep_time_init);