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

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No functional changes.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michal Simek 2014-04-04 17:23:37 -07:00 committed by Greg Kroah-Hartman
parent d900d98ad6
commit 489810a1a6
1 changed files with 49 additions and 60 deletions
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109
drivers/tty/serial/xilinx_uartps.c
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@ -163,11 +163,11 @@ MODULE_PARM_DESC(rx_timeout, "Rx timeout, 1-255");
/**
* struct xuartps - device data
* @port Pointer to the UART port
* @refclk Reference clock
* @aperclk APB clock
* @baud Current baud rate
* @clk_rate_change_nb Notifier block for clock changes
* @port: Pointer to the UART port
* @refclk: Reference clock
* @aperclk: APB clock
* @baud: Current baud rate
* @clk_rate_change_nb: Notifier block for clock changes
*/
struct xuartps {
struct uart_port *port;
@ -183,8 +183,8 @@ struct xuartps {
* @irq: Irq number
* @dev_id: Id of the port
*
* Returns IRQHANDLED
**/
* Return: IRQHANDLED
*/
static irqreturn_t xuartps_isr(int irq, void *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)
* @rbdiv: BDIV value (return value)
* @rcd: CD value (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.
*
* Formula to obtain baud rate is
@ -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
* @port: Handle to the uart port structure
* @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.
*/
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
* @event: Notify event
* @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,
unsigned long event, void *data)
@ -514,8 +514,7 @@ static int xuartps_clk_notifier_cb(struct notifier_block *nb,
/**
* xuartps_start_tx - Start transmitting bytes
* @port: Handle to the uart port structure
*
**/
*/
static void xuartps_start_tx(struct uart_port *port)
{
unsigned int status, numbytes = port->fifosize;
@ -562,8 +561,7 @@ static void xuartps_start_tx(struct uart_port *port)
/**
* xuartps_stop_tx - Stop TX
* @port: Handle to the uart port structure
*
**/
*/
static void xuartps_stop_tx(struct uart_port *port)
{
unsigned int regval;
@ -577,8 +575,7 @@ static void xuartps_stop_tx(struct uart_port *port)
/**
* xuartps_stop_rx - Stop RX
* @port: Handle to the uart port structure
*
**/
*/
static void xuartps_stop_rx(struct uart_port *port)
{
unsigned int regval;
@ -593,8 +590,8 @@ static void xuartps_stop_rx(struct uart_port *port)
* xuartps_tx_empty - Check whether TX is empty
* @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)
{
unsigned int status;
@ -608,8 +605,7 @@ static unsigned int xuartps_tx_empty(struct uart_port *port)
* transmitting char breaks
* @port: Handle to the uart port structure
* @ctl: Value based on which start or stop decision is taken
*
**/
*/
static void xuartps_break_ctl(struct uart_port *port, int ctl)
{
unsigned int status;
@ -636,8 +632,7 @@ static void xuartps_break_ctl(struct uart_port *port, int ctl)
* @port: Handle to the uart port structure
* @termios: Handle to the input termios structure
* @old: Values of the previously saved termios structure
*
**/
*/
static void xuartps_set_termios(struct uart_port *port,
struct ktermios *termios, struct ktermios *old)
{
@ -761,8 +756,8 @@ static void xuartps_set_termios(struct uart_port *port,
* xuartps_startup - Called when an application opens a xuartps port
* @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)
{
unsigned int retval = 0, status = 0;
@ -824,8 +819,7 @@ static int xuartps_startup(struct uart_port *port)
/**
* xuartps_shutdown - Called when an application closes a xuartps port
* @port: Handle to the uart port structure
*
**/
*/
static void xuartps_shutdown(struct uart_port *port)
{
int status;
@ -844,8 +838,8 @@ static void xuartps_shutdown(struct uart_port *port)
* xuartps_type - Set UART type to xuartps port
* @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)
{
return port->type == PORT_XUARTPS ? XUARTPS_NAME : NULL;
@ -856,8 +850,8 @@ static const char *xuartps_type(struct uart_port *port)
* @port: Handle to the uart port structure
* @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,
struct serial_struct *ser)
{
@ -880,8 +874,8 @@ static int xuartps_verify_port(struct uart_port *port,
* uart_add_one_port()
* @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)
{
if (!request_mem_region(port->mapbase, XUARTPS_REGISTER_SPACE,
@ -903,8 +897,7 @@ static int xuartps_request_port(struct uart_port *port)
* port, called when the driver removes a xuartps
* port via uart_remove_one_port().
* @port: Handle to the uart port structure
*
**/
*/
static void xuartps_release_port(struct uart_port *port)
{
release_mem_region(port->mapbase, XUARTPS_REGISTER_SPACE);
@ -917,8 +910,7 @@ static void xuartps_release_port(struct uart_port *port)
* xuartps port
* @port: Handle to the uart port structure
* @flags: If any
*
**/
*/
static void xuartps_config_port(struct uart_port *port, int flags)
{
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)
*
* @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)
{
return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
@ -1040,8 +1031,8 @@ static struct uart_port xuartps_port[2];
* xuartps_get_port - Configure the port from the platform device resource
* 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)
{
struct uart_port *port;
@ -1078,8 +1069,7 @@ static struct uart_port *xuartps_get_port(void)
/**
* xuartps_console_wait_tx - Wait for the TX to be full
* @port: Handle to the uart port structure
*
**/
*/
static void xuartps_console_wait_tx(struct uart_port *port)
{
while ((xuartps_readl(XUARTPS_SR_OFFSET) & XUARTPS_SR_TXEMPTY)
@ -1091,8 +1081,7 @@ static void xuartps_console_wait_tx(struct uart_port *port)
* xuartps_console_putchar - write the character to the FIFO buffer
* @port: Handle to the uart port structure
* @ch: Character to be written
*
**/
*/
static void xuartps_console_putchar(struct uart_port *port, int ch)
{
xuartps_console_wait_tx(port);
@ -1101,10 +1090,10 @@ static void xuartps_console_putchar(struct uart_port *port, int ch)
/**
* xuartps_console_write - perform write operation
* @port: Handle to the uart port structure
* @co: Console handle
* @s: Pointer to character array
* @count: No of characters
**/
*/
static void xuartps_console_write(struct console *co, const char *s,
unsigned int count)
{
@ -1151,8 +1140,8 @@ static void xuartps_console_write(struct console *co, const char *s,
* @co: Console handle
* @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)
{
struct uart_port *port = &xuartps_port[co->index];
@ -1190,8 +1179,8 @@ static struct console xuartps_console = {
/**
* 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)
{
register_console(&xuartps_console);
@ -1221,7 +1210,7 @@ static struct uart_driver xuartps_uart_driver = {
* xuartps_suspend - suspend event
* @device: Pointer to the device structure
*
* Returns 0
* Return: 0
*/
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
* @device: Pointer to the device structure
*
* Returns 0
* Return: 0
*/
static int xuartps_resume(struct device *device)
{
@ -1336,8 +1325,8 @@ static SIMPLE_DEV_PM_OPS(xuartps_dev_pm_ops, xuartps_suspend, xuartps_resume);
* xuartps_probe - Platform driver probe
* @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)
{
int rc;
@ -1437,8 +1426,8 @@ err_out_clk_dis_aper:
* xuartps_remove - called when the platform driver is unregistered
* @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)
{
struct uart_port *port = platform_get_drvdata(pdev);
@ -1481,8 +1470,8 @@ static struct platform_driver xuartps_platform_driver = {
/**
* 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)
{
int retval = 0;
@ -1502,7 +1491,7 @@ static int __init xuartps_init(void)
/**
* xuartps_exit - Driver unregistration call
**/
*/
static void __exit xuartps_exit(void)
{
/* The order of unregistration is important. Unregister the