Commit 489810a1 authored by Michal Simek's avatar Michal Simek Committed by Greg Kroah-Hartman

tty: xuartps: Fix kernel-doc errors in the driver

No functional changes.
Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d900d98a
...@@ -163,11 +163,11 @@ MODULE_PARM_DESC(rx_timeout, "Rx timeout, 1-255"); ...@@ -163,11 +163,11 @@ MODULE_PARM_DESC(rx_timeout, "Rx timeout, 1-255");
/** /**
* struct xuartps - device data * struct xuartps - device data
* @port Pointer to the UART port * @port: Pointer to the UART port
* @refclk Reference clock * @refclk: Reference clock
* @aperclk APB clock * @aperclk: APB clock
* @baud Current baud rate * @baud: Current baud rate
* @clk_rate_change_nb Notifier block for clock changes * @clk_rate_change_nb: Notifier block for clock changes
*/ */
struct xuartps { struct xuartps {
struct uart_port *port; struct uart_port *port;
...@@ -183,8 +183,8 @@ struct xuartps { ...@@ -183,8 +183,8 @@ struct xuartps {
* @irq: Irq number * @irq: Irq number
* @dev_id: Id of the port * @dev_id: Id of the port
* *
* Returns IRQHANDLED * Return: IRQHANDLED
**/ */
static irqreturn_t xuartps_isr(int irq, void *dev_id) static irqreturn_t xuartps_isr(int irq, void *dev_id)
{ {
struct uart_port *port = (struct uart_port *)dev_id; struct uart_port *port = (struct uart_port *)dev_id;
...@@ -325,7 +325,7 @@ static irqreturn_t xuartps_isr(int irq, void *dev_id) ...@@ -325,7 +325,7 @@ static irqreturn_t xuartps_isr(int irq, void *dev_id)
* @rbdiv: BDIV value (return value) * @rbdiv: BDIV value (return value)
* @rcd: CD value (return value) * @rcd: CD value (return value)
* @div8: Value for clk_sel bit in mod (return value) * @div8: Value for clk_sel bit in mod (return value)
* Returns baud rate, requested baud when possible, or actual baud when there * Return: baud rate, requested baud when possible, or actual baud when there
* was too much error, zero if no valid divisors are found. * was too much error, zero if no valid divisors are found.
* *
* Formula to obtain baud rate is * Formula to obtain baud rate is
...@@ -384,7 +384,7 @@ static unsigned int xuartps_calc_baud_divs(unsigned int clk, unsigned int baud, ...@@ -384,7 +384,7 @@ static unsigned int xuartps_calc_baud_divs(unsigned int clk, unsigned int baud,
* xuartps_set_baud_rate - Calculate and set the baud rate * xuartps_set_baud_rate - Calculate and set the baud rate
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* @baud: Baud rate to set * @baud: Baud rate to set
* Returns baud rate, requested baud when possible, or actual baud when there * Return: baud rate, requested baud when possible, or actual baud when there
* was too much error, zero if no valid divisors are found. * was too much error, zero if no valid divisors are found.
*/ */
static unsigned int xuartps_set_baud_rate(struct uart_port *port, static unsigned int xuartps_set_baud_rate(struct uart_port *port,
...@@ -419,7 +419,7 @@ static unsigned int xuartps_set_baud_rate(struct uart_port *port, ...@@ -419,7 +419,7 @@ static unsigned int xuartps_set_baud_rate(struct uart_port *port,
* @nb: Notifier block * @nb: Notifier block
* @event: Notify event * @event: Notify event
* @data: Notifier data * @data: Notifier data
* Returns NOTIFY_OK on success, NOTIFY_BAD on error. * Return: NOTIFY_OK on success, NOTIFY_BAD on error.
*/ */
static int xuartps_clk_notifier_cb(struct notifier_block *nb, static int xuartps_clk_notifier_cb(struct notifier_block *nb,
unsigned long event, void *data) unsigned long event, void *data)
...@@ -514,8 +514,7 @@ static int xuartps_clk_notifier_cb(struct notifier_block *nb, ...@@ -514,8 +514,7 @@ static int xuartps_clk_notifier_cb(struct notifier_block *nb,
/** /**
* xuartps_start_tx - Start transmitting bytes * xuartps_start_tx - Start transmitting bytes
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* */
**/
static void xuartps_start_tx(struct uart_port *port) static void xuartps_start_tx(struct uart_port *port)
{ {
unsigned int status, numbytes = port->fifosize; unsigned int status, numbytes = port->fifosize;
...@@ -562,8 +561,7 @@ static void xuartps_start_tx(struct uart_port *port) ...@@ -562,8 +561,7 @@ static void xuartps_start_tx(struct uart_port *port)
/** /**
* xuartps_stop_tx - Stop TX * xuartps_stop_tx - Stop TX
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* */
**/
static void xuartps_stop_tx(struct uart_port *port) static void xuartps_stop_tx(struct uart_port *port)
{ {
unsigned int regval; unsigned int regval;
...@@ -577,8 +575,7 @@ static void xuartps_stop_tx(struct uart_port *port) ...@@ -577,8 +575,7 @@ static void xuartps_stop_tx(struct uart_port *port)
/** /**
* xuartps_stop_rx - Stop RX * xuartps_stop_rx - Stop RX
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* */
**/
static void xuartps_stop_rx(struct uart_port *port) static void xuartps_stop_rx(struct uart_port *port)
{ {
unsigned int regval; unsigned int regval;
...@@ -593,8 +590,8 @@ static void xuartps_stop_rx(struct uart_port *port) ...@@ -593,8 +590,8 @@ static void xuartps_stop_rx(struct uart_port *port)
* xuartps_tx_empty - Check whether TX is empty * xuartps_tx_empty - Check whether TX is empty
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* *
* Returns TIOCSER_TEMT on success, 0 otherwise * Return: TIOCSER_TEMT on success, 0 otherwise
**/ */
static unsigned int xuartps_tx_empty(struct uart_port *port) static unsigned int xuartps_tx_empty(struct uart_port *port)
{ {
unsigned int status; unsigned int status;
...@@ -608,8 +605,7 @@ static unsigned int xuartps_tx_empty(struct uart_port *port) ...@@ -608,8 +605,7 @@ static unsigned int xuartps_tx_empty(struct uart_port *port)
* transmitting char breaks * transmitting char breaks
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* @ctl: Value based on which start or stop decision is taken * @ctl: Value based on which start or stop decision is taken
* */
**/
static void xuartps_break_ctl(struct uart_port *port, int ctl) static void xuartps_break_ctl(struct uart_port *port, int ctl)
{ {
unsigned int status; unsigned int status;
...@@ -636,8 +632,7 @@ static void xuartps_break_ctl(struct uart_port *port, int ctl) ...@@ -636,8 +632,7 @@ static void xuartps_break_ctl(struct uart_port *port, int ctl)
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* @termios: Handle to the input termios structure * @termios: Handle to the input termios structure
* @old: Values of the previously saved termios structure * @old: Values of the previously saved termios structure
* */
**/
static void xuartps_set_termios(struct uart_port *port, static void xuartps_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old) struct ktermios *termios, struct ktermios *old)
{ {
...@@ -761,8 +756,8 @@ static void xuartps_set_termios(struct uart_port *port, ...@@ -761,8 +756,8 @@ static void xuartps_set_termios(struct uart_port *port,
* xuartps_startup - Called when an application opens a xuartps port * xuartps_startup - Called when an application opens a xuartps port
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* *
* Returns 0 on success, negative error otherwise * Return: 0 on success, negative error otherwise
**/ */
static int xuartps_startup(struct uart_port *port) static int xuartps_startup(struct uart_port *port)
{ {
unsigned int retval = 0, status = 0; unsigned int retval = 0, status = 0;
...@@ -824,8 +819,7 @@ static int xuartps_startup(struct uart_port *port) ...@@ -824,8 +819,7 @@ static int xuartps_startup(struct uart_port *port)
/** /**
* xuartps_shutdown - Called when an application closes a xuartps port * xuartps_shutdown - Called when an application closes a xuartps port
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* */
**/
static void xuartps_shutdown(struct uart_port *port) static void xuartps_shutdown(struct uart_port *port)
{ {
int status; int status;
...@@ -844,8 +838,8 @@ static void xuartps_shutdown(struct uart_port *port) ...@@ -844,8 +838,8 @@ static void xuartps_shutdown(struct uart_port *port)
* xuartps_type - Set UART type to xuartps port * xuartps_type - Set UART type to xuartps port
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* *
* Returns string on success, NULL otherwise * Return: string on success, NULL otherwise
**/ */
static const char *xuartps_type(struct uart_port *port) static const char *xuartps_type(struct uart_port *port)
{ {
return port->type == PORT_XUARTPS ? XUARTPS_NAME : NULL; return port->type == PORT_XUARTPS ? XUARTPS_NAME : NULL;
...@@ -856,8 +850,8 @@ static const char *xuartps_type(struct uart_port *port) ...@@ -856,8 +850,8 @@ static const char *xuartps_type(struct uart_port *port)
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* @ser: Handle to the structure whose members are compared * @ser: Handle to the structure whose members are compared
* *
* Returns 0 if success otherwise -EINVAL * Return: 0 if success otherwise -EINVAL
**/ */
static int xuartps_verify_port(struct uart_port *port, static int xuartps_verify_port(struct uart_port *port,
struct serial_struct *ser) struct serial_struct *ser)
{ {
...@@ -880,8 +874,8 @@ static int xuartps_verify_port(struct uart_port *port, ...@@ -880,8 +874,8 @@ static int xuartps_verify_port(struct uart_port *port,
* uart_add_one_port() * uart_add_one_port()
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* *
* Returns 0, -ENOMEM if request fails * Return: 0, -ENOMEM if request fails
**/ */
static int xuartps_request_port(struct uart_port *port) static int xuartps_request_port(struct uart_port *port)
{ {
if (!request_mem_region(port->mapbase, XUARTPS_REGISTER_SPACE, if (!request_mem_region(port->mapbase, XUARTPS_REGISTER_SPACE,
...@@ -903,8 +897,7 @@ static int xuartps_request_port(struct uart_port *port) ...@@ -903,8 +897,7 @@ static int xuartps_request_port(struct uart_port *port)
* port, called when the driver removes a xuartps * port, called when the driver removes a xuartps
* port via uart_remove_one_port(). * port via uart_remove_one_port().
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* */
**/
static void xuartps_release_port(struct uart_port *port) static void xuartps_release_port(struct uart_port *port)
{ {
release_mem_region(port->mapbase, XUARTPS_REGISTER_SPACE); release_mem_region(port->mapbase, XUARTPS_REGISTER_SPACE);
...@@ -917,8 +910,7 @@ static void xuartps_release_port(struct uart_port *port) ...@@ -917,8 +910,7 @@ static void xuartps_release_port(struct uart_port *port)
* xuartps port * xuartps port
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* @flags: If any * @flags: If any
* */
**/
static void xuartps_config_port(struct uart_port *port, int flags) static void xuartps_config_port(struct uart_port *port, int flags)
{ {
if (flags & UART_CONFIG_TYPE && xuartps_request_port(port) == 0) if (flags & UART_CONFIG_TYPE && xuartps_request_port(port) == 0)
...@@ -930,9 +922,8 @@ static void xuartps_config_port(struct uart_port *port, int flags) ...@@ -930,9 +922,8 @@ static void xuartps_config_port(struct uart_port *port, int flags)
* *
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* *
* Returns the modem control state * Return: the modem control state
* */
**/
static unsigned int xuartps_get_mctrl(struct uart_port *port) static unsigned int xuartps_get_mctrl(struct uart_port *port)
{ {
return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR; return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
...@@ -1040,8 +1031,8 @@ static struct uart_port xuartps_port[2]; ...@@ -1040,8 +1031,8 @@ static struct uart_port xuartps_port[2];
* xuartps_get_port - Configure the port from the platform device resource * xuartps_get_port - Configure the port from the platform device resource
* info * info
* *
* Returns a pointer to a uart_port or NULL for failure * Return: a pointer to a uart_port or NULL for failure
**/ */
static struct uart_port *xuartps_get_port(void) static struct uart_port *xuartps_get_port(void)
{ {
struct uart_port *port; struct uart_port *port;
...@@ -1078,8 +1069,7 @@ static struct uart_port *xuartps_get_port(void) ...@@ -1078,8 +1069,7 @@ static struct uart_port *xuartps_get_port(void)
/** /**
* xuartps_console_wait_tx - Wait for the TX to be full * xuartps_console_wait_tx - Wait for the TX to be full
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* */
**/
static void xuartps_console_wait_tx(struct uart_port *port) static void xuartps_console_wait_tx(struct uart_port *port)
{ {
while ((xuartps_readl(XUARTPS_SR_OFFSET) & XUARTPS_SR_TXEMPTY) while ((xuartps_readl(XUARTPS_SR_OFFSET) & XUARTPS_SR_TXEMPTY)
...@@ -1091,8 +1081,7 @@ static void xuartps_console_wait_tx(struct uart_port *port) ...@@ -1091,8 +1081,7 @@ static void xuartps_console_wait_tx(struct uart_port *port)
* xuartps_console_putchar - write the character to the FIFO buffer * xuartps_console_putchar - write the character to the FIFO buffer
* @port: Handle to the uart port structure * @port: Handle to the uart port structure
* @ch: Character to be written * @ch: Character to be written
* */
**/
static void xuartps_console_putchar(struct uart_port *port, int ch) static void xuartps_console_putchar(struct uart_port *port, int ch)
{ {
xuartps_console_wait_tx(port); xuartps_console_wait_tx(port);
...@@ -1101,10 +1090,10 @@ static void xuartps_console_putchar(struct uart_port *port, int ch) ...@@ -1101,10 +1090,10 @@ static void xuartps_console_putchar(struct uart_port *port, int ch)
/** /**
* xuartps_console_write - perform write operation * xuartps_console_write - perform write operation
* @port: Handle to the uart port structure * @co: Console handle
* @s: Pointer to character array * @s: Pointer to character array
* @count: No of characters * @count: No of characters
**/ */
static void xuartps_console_write(struct console *co, const char *s, static void xuartps_console_write(struct console *co, const char *s,
unsigned int count) unsigned int count)
{ {
...@@ -1151,8 +1140,8 @@ static void xuartps_console_write(struct console *co, const char *s, ...@@ -1151,8 +1140,8 @@ static void xuartps_console_write(struct console *co, const char *s,
* @co: Console handle * @co: Console handle
* @options: Initial settings of uart * @options: Initial settings of uart
* *
* Returns 0, -ENODEV if no device * Return: 0, -ENODEV if no device
**/ */
static int __init xuartps_console_setup(struct console *co, char *options) static int __init xuartps_console_setup(struct console *co, char *options)
{ {
struct uart_port *port = &xuartps_port[co->index]; struct uart_port *port = &xuartps_port[co->index];
...@@ -1190,8 +1179,8 @@ static struct console xuartps_console = { ...@@ -1190,8 +1179,8 @@ static struct console xuartps_console = {
/** /**
* xuartps_console_init - Initialization call * xuartps_console_init - Initialization call
* *
* Returns 0 on success, negative error otherwise * Return: 0 on success, negative error otherwise
**/ */
static int __init xuartps_console_init(void) static int __init xuartps_console_init(void)
{ {
register_console(&xuartps_console); register_console(&xuartps_console);
...@@ -1221,7 +1210,7 @@ static struct uart_driver xuartps_uart_driver = { ...@@ -1221,7 +1210,7 @@ static struct uart_driver xuartps_uart_driver = {
* xuartps_suspend - suspend event * xuartps_suspend - suspend event
* @device: Pointer to the device structure * @device: Pointer to the device structure
* *
* Returns 0 * Return: 0
*/ */
static int xuartps_suspend(struct device *device) static int xuartps_suspend(struct device *device)
{ {
...@@ -1269,7 +1258,7 @@ static int xuartps_suspend(struct device *device) ...@@ -1269,7 +1258,7 @@ static int xuartps_suspend(struct device *device)
* xuartps_resume - Resume after a previous suspend * xuartps_resume - Resume after a previous suspend
* @device: Pointer to the device structure * @device: Pointer to the device structure
* *
* Returns 0 * Return: 0
*/ */
static int xuartps_resume(struct device *device) static int xuartps_resume(struct device *device)
{ {
...@@ -1336,8 +1325,8 @@ static SIMPLE_DEV_PM_OPS(xuartps_dev_pm_ops, xuartps_suspend, xuartps_resume); ...@@ -1336,8 +1325,8 @@ static SIMPLE_DEV_PM_OPS(xuartps_dev_pm_ops, xuartps_suspend, xuartps_resume);
* xuartps_probe - Platform driver probe * xuartps_probe - Platform driver probe
* @pdev: Pointer to the platform device structure * @pdev: Pointer to the platform device structure
* *
* Returns 0 on success, negative error otherwise * Return: 0 on success, negative error otherwise
**/ */
static int xuartps_probe(struct platform_device *pdev) static int xuartps_probe(struct platform_device *pdev)
{ {
int rc; int rc;
...@@ -1437,8 +1426,8 @@ static int xuartps_probe(struct platform_device *pdev) ...@@ -1437,8 +1426,8 @@ static int xuartps_probe(struct platform_device *pdev)
* xuartps_remove - called when the platform driver is unregistered * xuartps_remove - called when the platform driver is unregistered
* @pdev: Pointer to the platform device structure * @pdev: Pointer to the platform device structure
* *
* Returns 0 on success, negative error otherwise * Return: 0 on success, negative error otherwise
**/ */
static int xuartps_remove(struct platform_device *pdev) static int xuartps_remove(struct platform_device *pdev)
{ {
struct uart_port *port = platform_get_drvdata(pdev); struct uart_port *port = platform_get_drvdata(pdev);
...@@ -1481,8 +1470,8 @@ static struct platform_driver xuartps_platform_driver = { ...@@ -1481,8 +1470,8 @@ static struct platform_driver xuartps_platform_driver = {
/** /**
* xuartps_init - Initial driver registration call * xuartps_init - Initial driver registration call
* *
* Returns whether the registration was successful or not * Return: whether the registration was successful or not
**/ */
static int __init xuartps_init(void) static int __init xuartps_init(void)
{ {
int retval = 0; int retval = 0;
...@@ -1502,7 +1491,7 @@ static int __init xuartps_init(void) ...@@ -1502,7 +1491,7 @@ static int __init xuartps_init(void)
/** /**
* xuartps_exit - Driver unregistration call * xuartps_exit - Driver unregistration call
**/ */
static void __exit xuartps_exit(void) static void __exit xuartps_exit(void)
{ {
/* The order of unregistration is important. Unregister the /* The order of unregistration is important. Unregister the
......
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