Commit 724ac070 authored by Jiri Slaby's avatar Jiri Slaby Committed by Greg Kroah-Hartman
Browse files

tty: ldiscs, fix kernel-doc 



As in the previous patch, fix kernel-doc in line disciplines.

Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200818085655.12071-5-jslaby@suse.cz


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fa441954

drivers/tty/n_gsm.c

+11 −12
Original line number Diff line number Diff line
@@ -76,10 +76,9 @@ module_param(debug, int, 0600); 


/**

 *	struct gsm_mux_net	-	network interface

 *	@struct gsm_dlci* dlci

 *

 *	Created when net interface is initialized.

 **/

 */

struct gsm_mux_net {

	struct kref ref;

	struct gsm_dlci *dlci;
@@ -399,7 +398,7 @@ static inline u8 gsm_fcs_add_block(u8 fcs, u8 *c, int len) 
/**

 *	gsm_read_ea		-	read a byte into an EA

 *	@val: variable holding value

 *	c: byte going into the EA

 *	@c: byte going into the EA

 *

 *	Processes one byte of an EA. Updates the passed variable

 *	and returns 1 if the EA is now completely read
@@ -513,8 +512,8 @@ static void gsm_print_packet(const char *hdr, int addr, int cr, 


/**

 *	gsm_stuff_packet	-	bytestuff a packet

 *	@ibuf: input

 *	@obuf: output

 *	@input: input buffer

 *	@output: output buffer

 *	@len: length of input

 *

 *	Expand a buffer by bytestuffing it. The worst case size change
@@ -1304,7 +1303,7 @@ static void gsm_control_transmit(struct gsm_mux *gsm, struct gsm_control *ctrl) 


/**

 *	gsm_control_retransmit	-	retransmit a control frame

 *	@data: pointer to our gsm object

 *	@t: timer contained in our gsm object

 *

 *	Called off the T2 timer expiry in order to retransmit control frames

 *	that have been lost in the system somewhere. The control_lock protects
@@ -1341,7 +1340,7 @@ static void gsm_control_retransmit(struct timer_list *t) 
 *	@gsm: the GSM channel

 *	@command: command  to send including CR bit

 *	@data: bytes of data (must be kmalloced)

 *	@len: length of the block to send

 *	@clen: length of the block to send

 *

 *	Queue and dispatch a control command. Only one command can be

 *	active at a time. In theory more can be outstanding but the matching
@@ -1453,7 +1452,7 @@ static void gsm_dlci_open(struct gsm_dlci *dlci) 


/**

 *	gsm_dlci_t1		-	T1 timer expiry

 *	@dlci: DLCI that opened

 *	@t: timer contained in the DLCI that opened

 *

 *	The T1 timer handles retransmits of control frames (essentially of

 *	SABM and DISC). We resend the command until the retry count runs out
@@ -1549,7 +1548,7 @@ static void gsm_dlci_begin_close(struct gsm_dlci *dlci) 
 *	gsm_dlci_data		-	data arrived

 *	@dlci: channel

 *	@data: block of bytes received

 *	@len: length of received block

 *	@clen: length of received block

 *

 *	A UI or UIH frame has arrived which contains data for a channel

 *	other than the control channel. If the relevant virtual tty is
@@ -1671,7 +1670,7 @@ static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr) 


/**

 *	gsm_dlci_free		-	free DLCI

 *	@dlci: DLCI to free

 *	@port: tty port for DLCI to free

 *

 *	Free up a DLCI.

 *
@@ -2149,7 +2148,7 @@ static int gsm_activate_mux(struct gsm_mux *gsm) 


/**

 *	gsm_free_mux		-	free up a mux

 *	@mux: mux to free

 *	@gsm: mux to free

 *

 *	Dispose of allocated resources for a dead mux

 */
@@ -2162,7 +2161,7 @@ static void gsm_free_mux(struct gsm_mux *gsm) 


/**

 *	gsm_free_muxr		-	free up a mux

 *	@mux: mux to free

 *	@ref: kreference to the mux to free

 *

 *	Dispose of allocated resources for a dead mux

 */

drivers/tty/n_hdlc.c

+36 −36
Original line number Diff line number Diff line
@@ -123,13 +123,13 @@ struct n_hdlc_buf_list { 


/**

 * struct n_hdlc - per device instance data structure

 * @magic - magic value for structure

 * @tbusy - reentrancy flag for tx wakeup code

 * @woke_up - tx wakeup needs to be run again as it was called while @tbusy

 * @tx_buf_list - list of pending transmit frame buffers

 * @rx_buf_list - list of received frame buffers

 * @tx_free_buf_list - list unused transmit frame buffers

 * @rx_free_buf_list - list unused received frame buffers

 * @magic: magic value for structure

 * @tbusy: reentrancy flag for tx wakeup code

 * @woke_up: tx wakeup needs to be run again as it was called while @tbusy

 * @tx_buf_list: list of pending transmit frame buffers

 * @rx_buf_list: list of received frame buffers

 * @tx_free_buf_list: list unused transmit frame buffers

 * @rx_free_buf_list: list unused received frame buffers

 */

struct n_hdlc {

	int			magic;
@@ -187,7 +187,7 @@ static void n_hdlc_free_buf_list(struct n_hdlc_buf_list *list) 


/**

 * n_hdlc_tty_close - line discipline close

 * @tty - pointer to tty info structure

 * @tty: pointer to tty info structure

 *

 * Called when the line discipline is changed to something

 * else, the tty is closed, or the tty detects a hangup.
@@ -218,7 +218,7 @@ static void n_hdlc_tty_close(struct tty_struct *tty) 


/**

 * n_hdlc_tty_open - called when line discipline changed to n_hdlc

 * @tty - pointer to tty info structure

 * @tty: pointer to tty info structure

 *

 * Returns 0 if success, otherwise error code

 */
@@ -255,8 +255,8 @@ static int n_hdlc_tty_open(struct tty_struct *tty) 


/**

 * n_hdlc_send_frames - send frames on pending send buffer list

 * @n_hdlc - pointer to ldisc instance data

 * @tty - pointer to tty instance data

 * @n_hdlc: pointer to ldisc instance data

 * @tty: pointer to tty instance data

 *

 * Send frames on pending send buffer list until the driver does not accept a

 * frame (busy) this function is called after adding a frame to the send buffer
@@ -335,7 +335,7 @@ check_again: 


/**

 * n_hdlc_tty_wakeup - Callback for transmit wakeup

 * @tty	- pointer to associated tty instance data

 * @tty: pointer to associated tty instance data

 *

 * Called when low level device driver can accept more send data.

 */
@@ -348,10 +348,10 @@ static void n_hdlc_tty_wakeup(struct tty_struct *tty) 


/**

 * n_hdlc_tty_receive - Called by tty driver when receive data is available

 * @tty	- pointer to tty instance data

 * @data - pointer to received data

 * @flags - pointer to flags for data

 * @count - count of received data in bytes

 * @tty: pointer to tty instance data

 * @data: pointer to received data

 * @flags: pointer to flags for data

 * @count: count of received data in bytes

 *

 * Called by tty low level driver when receive data is available. Data is

 * interpreted as one HDLC frame.
@@ -408,10 +408,10 @@ static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *data, 


/**

 * n_hdlc_tty_read - Called to retrieve one frame of data (if available)

 * @tty - pointer to tty instance data

 * @file - pointer to open file object

 * @buf - pointer to returned data buffer

 * @nr - size of returned data buffer

 * @tty: pointer to tty instance data

 * @file: pointer to open file object

 * @buf: pointer to returned data buffer

 * @nr: size of returned data buffer

 *

 * Returns the number of bytes returned or error code.

 */
@@ -479,10 +479,10 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file, 


/**

 * n_hdlc_tty_write - write a single frame of data to device

 * @tty	- pointer to associated tty device instance data

 * @file - pointer to file object data

 * @data - pointer to transmit data (one frame)

 * @count - size of transmit frame in bytes

 * @tty: pointer to associated tty device instance data

 * @file: pointer to file object data

 * @data: pointer to transmit data (one frame)

 * @count: size of transmit frame in bytes

 *

 * Returns the number of bytes written (or error code).

 */
@@ -546,10 +546,10 @@ static ssize_t n_hdlc_tty_write(struct tty_struct *tty, struct file *file, 


/**

 * n_hdlc_tty_ioctl - process IOCTL system call for the tty device.

 * @tty - pointer to tty instance data

 * @file - pointer to open file object for device

 * @cmd - IOCTL command code

 * @arg - argument for IOCTL call (cmd dependent)

 * @tty: pointer to tty instance data

 * @file: pointer to open file object for device

 * @cmd: IOCTL command code

 * @arg: argument for IOCTL call (cmd dependent)

 *

 * Returns command dependent result.

 */
@@ -614,9 +614,9 @@ static int n_hdlc_tty_ioctl(struct tty_struct *tty, struct file *file, 


/**

 * n_hdlc_tty_poll - TTY callback for poll system call

 * @tty - pointer to tty instance data

 * @filp - pointer to open file object for device

 * @poll_table - wait queue for operations

 * @tty: pointer to tty instance data

 * @filp: pointer to open file object for device

 * @wait: wait queue for operations

 *

 * Determine which operations (read/write) will not block and return info

 * to caller.
@@ -703,8 +703,8 @@ static struct n_hdlc *n_hdlc_alloc(void) 


/**

 * n_hdlc_buf_return - put the HDLC buffer after the head of the specified list

 * @buf_list - pointer to the buffer list

 * @buf - pointer to the buffer

 * @buf_list: pointer to the buffer list

 * @buf: pointer to the buffer

 */

static void n_hdlc_buf_return(struct n_hdlc_buf_list *buf_list,

						struct n_hdlc_buf *buf)
@@ -721,8 +721,8 @@ static void n_hdlc_buf_return(struct n_hdlc_buf_list *buf_list, 


/**

 * n_hdlc_buf_put - add specified HDLC buffer to tail of specified list

 * @buf_list - pointer to buffer list

 * @buf	- pointer to buffer

 * @buf_list: pointer to buffer list

 * @buf: pointer to buffer

 */

static void n_hdlc_buf_put(struct n_hdlc_buf_list *buf_list,

			   struct n_hdlc_buf *buf)
@@ -739,7 +739,7 @@ static void n_hdlc_buf_put(struct n_hdlc_buf_list *buf_list, 


/**

 * n_hdlc_buf_get - remove and return an HDLC buffer from list

 * @buf_list - pointer to HDLC buffer list

 * @buf_list: pointer to HDLC buffer list

 *

 * Remove and return an HDLC buffer from the head of the specified HDLC buffer

 * list.

drivers/tty/n_tty.c

+2 −2
Original line number Diff line number Diff line
@@ -322,7 +322,7 @@ static inline void put_tty_queue(unsigned char c, struct n_tty_data *ldata) 


/**

 *	reset_buffer_flags	-	reset buffer state

 *	@tty: terminal to reset

 *	@ldata: line disc data to reset

 *

 *	Reset the read buffer counters and clear the flags.

 *	Called from n_tty_open() and n_tty_flush_buffer().
@@ -906,7 +906,7 @@ static void echo_erase_tab(unsigned int num_chars, int after_tab, 
/**

 *	echo_char_raw	-	echo a character raw

 *	@c: unicode byte to echo

 *	@tty: terminal device

 *	@ldata: line disc data

 *

 *	Echo user input back onto the screen. This must be called only when

 *	L_ECHO(tty) is true. Called from the driver receive_buf path.

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