linux-kernel - [PATCH printk v5 3/8] console: Document struct console

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Message-Id: <20230109100800.1085541-4-john.ogness@linutronix.de>
Date:   Mon,  9 Jan 2023 11:13:55 +0106
From:   John Ogness <john.ogness@...utronix.de>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH printk v5 3/8] console: Document struct console

From: Thomas Gleixner <tglx@...utronix.de>

Add kerneldoc comments to struct console.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: John Ogness <john.ogness@...utronix.de>
Reviewed-by: Petr Mladek <pmladek@...e.com>
---
 include/linux/console.h | 54 ++++++++++++++++++++++++++++-------------
 1 file changed, 37 insertions(+), 17 deletions(-)

diff --git a/include/linux/console.h b/include/linux/console.h
index ed804dd7c2e8..1e36958aa656 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -164,24 +164,44 @@ enum cons_flags {
 	CON_EXTENDED		= BIT(6),
 };
 
+/**
+ * struct console - The console descriptor structure
+ * @name:		The name of the console driver
+ * @write:		Write callback to output messages (Optional)
+ * @read:		Read callback for console input (Optional)
+ * @device:		The underlying TTY device driver (Optional)
+ * @unblank:		Callback to unblank the console (Optional)
+ * @setup:		Callback for initializing the console (Optional)
+ * @exit:		Callback for teardown of the console (Optional)
+ * @match:		Callback for matching a console (Optional)
+ * @flags:		Console flags. See enum cons_flags
+ * @index:		Console index, e.g. port number
+ * @cflag:		TTY control mode flags
+ * @ispeed:		TTY input speed
+ * @ospeed:		TTY output speed
+ * @seq:		Sequence number of the next ringbuffer record to print
+ * @dropped:		Number of unreported dropped ringbuffer records
+ * @data:		Driver private data
+ * @node:		hlist node for the console list
+ */
 struct console {
-	char	name[16];
-	void	(*write)(struct console *, const char *, unsigned);
-	int	(*read)(struct console *, char *, unsigned);
-	struct tty_driver *(*device)(struct console *, int *);
-	void	(*unblank)(void);
-	int	(*setup)(struct console *, char *);
-	int	(*exit)(struct console *);
-	int	(*match)(struct console *, char *name, int idx, char *options);
-	short	flags;
-	short	index;
-	int	cflag;
-	uint	ispeed;
-	uint	ospeed;
-	u64	seq;
-	unsigned long dropped;
-	void	*data;
-	struct hlist_node node;
+	char			name[16];
+	void			(*write)(struct console *co, const char *s, unsigned int count);
+	int			(*read)(struct console *co, char *s, unsigned int count);
+	struct tty_driver	*(*device)(struct console *co, int *index);
+	void			(*unblank)(void);
+	int			(*setup)(struct console *co, char *options);
+	int			(*exit)(struct console *co);
+	int			(*match)(struct console *co, char *name, int idx, char *options);
+	short			flags;
+	short			index;
+	int			cflag;
+	uint			ispeed;
+	uint			ospeed;
+	u64			seq;
+	unsigned long		dropped;
+	void			*data;
+	struct hlist_node	node;
 };
 
 #ifdef CONFIG_LOCKDEP
-- 
2.30.2