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staging: dgap: Make merged and local functions and variables static 

This patch makes all merged and original functions static to dgap.c.
Doing so has revealed more dead code via gcc warnings.

Signed-off-by: Mark Hounschell <markh@compro.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mark Hounschell 2014-02-19 13:12:13 -05:00 коммит произвёл Greg Kroah-Hartman
Родитель 31f2a1b67c
Коммит fe0ef8e666
2 изменённых файлов: 90 добавлений и 119 удалений
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159
drivers/staging/dgap/dgap_driver.c
Просмотреть файл

@ -122,13 +122,13 @@ static void dgap_tty_set_termios(struct tty_struct *tty, struct ktermios *old_te
static int dgap_tty_put_char(struct tty_struct *tty, unsigned char c);
static void dgap_tty_send_xchar(struct tty_struct *tty, char ch);
int dgap_tty_register(struct board_t *brd);
int dgap_tty_preinit(void);
int dgap_tty_init(struct board_t *);
void dgap_tty_post_uninit(void);
void dgap_tty_uninit(struct board_t *);
void dgap_carrier(struct channel_t *ch);
void dgap_input(struct channel_t *ch);
static int dgap_tty_register(struct board_t *brd);
static int dgap_tty_preinit(void);
static int dgap_tty_init(struct board_t *);
static void dgap_tty_post_uninit(void);
static void dgap_tty_uninit(struct board_t *);
static void dgap_carrier(struct channel_t *ch);
static void dgap_input(struct channel_t *ch);
/*
* Our function prototypes from dgap_fep5
@ -136,6 +136,15 @@ void dgap_input(struct channel_t *ch);
static void dgap_cmdw_ext(struct channel_t *ch, u16 cmd, u16 word, uint ncmds);
static int dgap_event(struct board_t *bd);
static void dgap_poll_tasklet(unsigned long data);
static void dgap_cmdb(struct channel_t *ch, uchar cmd, uchar byte1, uchar byte2, uint ncmds);
static void dgap_cmdw(struct channel_t *ch, uchar cmd, u16 word, uint ncmds);
static void dgap_wmove(struct channel_t *ch, char *buf, uint cnt);
static int dgap_param(struct tty_struct *tty);
static void dgap_parity_scan(struct channel_t *ch, unsigned char *cbuf, unsigned char *fbuf, int *len);
static uint dgap_get_custom_baud(struct channel_t *ch);
static void dgap_firmware_reset_port(struct channel_t *ch);
/*
* Function prototypes from dgap_parse.c.
*/
@ -155,28 +164,38 @@ struct un_t;
struct pci_driver;
struct class_device;
void dgap_create_ports_sysfiles(struct board_t *bd);
void dgap_remove_ports_sysfiles(struct board_t *bd);
static void dgap_create_ports_sysfiles(struct board_t *bd);
static void dgap_remove_ports_sysfiles(struct board_t *bd);
void dgap_create_driver_sysfiles(struct pci_driver *);
void dgap_remove_driver_sysfiles(struct pci_driver *);
static void dgap_create_driver_sysfiles(struct pci_driver *);
static void dgap_remove_driver_sysfiles(struct pci_driver *);
int dgap_tty_class_init(void);
int dgap_tty_class_destroy(void);
static int dgap_tty_class_init(void);
static int dgap_tty_class_destroy(void);
void dgap_create_tty_sysfs(struct un_t *un, struct device *c);
void dgap_remove_tty_sysfs(struct device *c);
static void dgap_create_tty_sysfs(struct un_t *un, struct device *c);
static void dgap_remove_tty_sysfs(struct device *c);
/*
* Function prototypes from dgap_parse.h
*/
int dgap_parsefile(char **in, int Remove);
struct cnode *dgap_find_config(int type, int bus, int slot);
uint dgap_config_get_number_of_ports(struct board_t *bd);
char *dgap_create_config_string(struct board_t *bd, char *string);
char *dgap_get_config_letters(struct board_t *bd, char *string);
uint dgap_config_get_useintr(struct board_t *bd);
uint dgap_config_get_altpin(struct board_t *bd);
static int dgap_parsefile(char **in, int Remove);
static struct cnode *dgap_find_config(int type, int bus, int slot);
static uint dgap_config_get_number_of_ports(struct board_t *bd);
static char *dgap_create_config_string(struct board_t *bd, char *string);
static char *dgap_get_config_letters(struct board_t *bd, char *string);
static uint dgap_config_get_useintr(struct board_t *bd);
static uint dgap_config_get_altpin(struct board_t *bd);
static int dgap_ms_sleep(ulong ms);
static char *dgap_ioctl_name(int cmd);
static void dgap_do_bios_load(struct board_t *brd, uchar __user *ubios, int len);
static void dgap_do_fep_load(struct board_t *brd, uchar __user *ufep, int len);
static void dgap_do_conc_load(struct board_t *brd, uchar *uaddr, int len);
static void dgap_do_config_load(uchar __user *uaddr, int len);
static int dgap_after_config_loaded(void);
static int dgap_finalize_board_init(struct board_t *brd);
/* Driver load/unload functions */
int dgap_init_module(void);
@ -198,16 +217,16 @@ static struct file_operations DgapBoardFops =
/*
* Globals
*/
uint dgap_NumBoards;
struct board_t *dgap_Board[MAXBOARDS];
static uint dgap_NumBoards;
static struct board_t *dgap_Board[MAXBOARDS];
DEFINE_SPINLOCK(dgap_global_lock);
ulong dgap_poll_counter;
char *dgap_config_buf;
int dgap_driver_state = DRIVER_INITIALIZED;
static ulong dgap_poll_counter;
static char *dgap_config_buf;
static int dgap_driver_state = DRIVER_INITIALIZED;
DEFINE_SPINLOCK(dgap_dl_lock);
wait_queue_head_t dgap_dl_wait;
int dgap_dl_action;
int dgap_poll_tick = 20; /* Poll interval - 20 ms */
static wait_queue_head_t dgap_dl_wait;
static int dgap_dl_action;
static int dgap_poll_tick = 20; /* Poll interval - 20 ms */
/*
* Static vars.
@ -219,13 +238,13 @@ static struct class * dgap_class;
static struct board_t *dgap_BoardsByMajor[256];
static uchar *dgap_TmpWriteBuf = NULL;
static DECLARE_MUTEX(dgap_TmpWriteSem);
DECLARE_MUTEX(dgap_TmpWriteSem);
static uint dgap_count = 500;
/*
* Poller stuff
*/
static DEFINE_SPINLOCK(dgap_poll_lock); /* Poll scheduling lock */
DEFINE_SPINLOCK(dgap_poll_lock); /* Poll scheduling lock */
static ulong dgap_poll_time; /* Time of next poll */
static uint dgap_poll_stop; /* Used to tell poller to stop */
static struct timer_list dgap_poll_timer;
@ -290,7 +309,7 @@ static struct pci_driver dgap_driver = {
};
char *dgap_state_text[] = {
static char *dgap_state_text[] = {
"Board Failed",
"Configuration for board not found.\n\t\t\tRun mpi to configure board.",
"Board Found",
@ -314,7 +333,7 @@ char *dgap_state_text[] = {
"Board READY",
};
char *dgap_driver_state_text[] = {
static char *dgap_driver_state_text[] = {
"Driver Initialized",
"Driver needs configuration load.",
"Driver requested configuration from download daemon.",
@ -854,7 +873,7 @@ static int dgap_found_board(struct pci_dev *pdev, int id)
}
int dgap_finalize_board_init(struct board_t *brd) {
static int dgap_finalize_board_init(struct board_t *brd) {
int rc;
@ -1186,7 +1205,7 @@ static void dgap_mbuf(struct board_t *brd, const char *fmt, ...) {
*
* Returns 0 if timed out, !0 (showing signal) if interrupted by a signal.
*/
int dgap_ms_sleep(ulong ms)
static int dgap_ms_sleep(ulong ms)
{
current->state = TASK_INTERRUPTIBLE;
schedule_timeout((ms * HZ) / 1000);
@ -1198,7 +1217,7 @@ int dgap_ms_sleep(ulong ms)
/*
* dgap_ioctl_name() : Returns a text version of each ioctl value.
*/
char *dgap_ioctl_name(int cmd)
static char *dgap_ioctl_name(int cmd)
{
switch(cmd) {
@ -1258,7 +1277,7 @@ char *dgap_ioctl_name(int cmd)
*
* Initialize any global tty related data before we download any boards.
*/
int dgap_tty_preinit(void)
static int dgap_tty_preinit(void)
{
unsigned long flags;
@ -1288,7 +1307,7 @@ int dgap_tty_preinit(void)
*
* Init the tty subsystem for this board.
*/
int dgap_tty_register(struct board_t *brd)
static int dgap_tty_register(struct board_t *brd)
{
int rc = 0;
@ -1384,7 +1403,7 @@ int dgap_tty_register(struct board_t *brd)
* Init the tty subsystem. Called once per board after board has been
* downloaded and init'ed.
*/
int dgap_tty_init(struct board_t *brd)
static int dgap_tty_init(struct board_t *brd)
{
int i;
int tlw;
@ -1562,7 +1581,7 @@ int dgap_tty_init(struct board_t *brd)
*
* UnInitialize any global tty related data.
*/
void dgap_tty_post_uninit(void)
static void dgap_tty_post_uninit(void)
{
kfree(dgap_TmpWriteBuf);
dgap_TmpWriteBuf = NULL;
@ -1575,7 +1594,7 @@ void dgap_tty_post_uninit(void)
* Uninitialize the TTY portion of this driver. Free all memory and
* resources.
*/
void dgap_tty_uninit(struct board_t *brd)
static void dgap_tty_uninit(struct board_t *brd)
{
int i = 0;
@ -1733,7 +1752,7 @@ static void dgap_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *b
*
*=======================================================================*/
void dgap_input(struct channel_t *ch)
static void dgap_input(struct channel_t *ch)
{
struct board_t *bd;
struct bs_t *bs;
@ -1950,7 +1969,7 @@ void dgap_input(struct channel_t *ch)
* Determines when CARRIER changes state and takes appropriate
* action.
************************************************************************/
void dgap_carrier(struct channel_t *ch)
static void dgap_carrier(struct channel_t *ch)
{
struct board_t *bd;
@ -4640,7 +4659,7 @@ static int dgap_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
/*
* Loads the dgap.conf config file from the user.
*/
void dgap_do_config_load(uchar __user *uaddr, int len)
static void dgap_do_config_load(uchar __user *uaddr, int len)
{
int orig_len = len;
char *to_addr;
@ -4685,7 +4704,7 @@ void dgap_do_config_load(uchar __user *uaddr, int len)
}
int dgap_after_config_loaded(void)
static int dgap_after_config_loaded(void)
{
int i = 0;
int rc = 0;
@ -4750,7 +4769,7 @@ static int dgap_usertoboard(struct board_t *brd, char *to_addr, char __user *fro
* Copies the BIOS code from the user to the board,
* and starts the BIOS running.
*/
void dgap_do_bios_load(struct board_t *brd, uchar __user *ubios, int len)
static void dgap_do_bios_load(struct board_t *brd, uchar __user *ubios, int len)
{
uchar *addr;
uint offset;
@ -4825,7 +4844,7 @@ static void dgap_do_wait_for_bios(struct board_t *brd)
* Copies the FEP code from the user to the board,
* and starts the FEP running.
*/
void dgap_do_fep_load(struct board_t *brd, uchar __user *ufep, int len)
static void dgap_do_fep_load(struct board_t *brd, uchar __user *ufep, int len)
{
uchar *addr;
uint offset;
@ -4987,7 +5006,7 @@ failed:
/*
* Sends a concentrator image into the FEP5 board.
*/
void dgap_do_conc_load(struct board_t *brd, uchar *uaddr, int len)
static void dgap_do_conc_load(struct board_t *brd, uchar *uaddr, int len)
{
char *vaddr;
u16 offset = 0;
@ -5122,7 +5141,7 @@ static void dgap_get_vpd(struct board_t *brd)
/*
* Our board poller function.
*/
void dgap_poll_tasklet(unsigned long data)
static void dgap_poll_tasklet(unsigned long data)
{
struct board_t *bd = (struct board_t *) data;
ulong lock_flags;
@ -5388,7 +5407,7 @@ out:
* in the cmd buffer before returning.
*
*=======================================================================*/
void dgap_cmdb(struct channel_t *ch, uchar cmd, uchar byte1, uchar byte2, uint ncmds)
static void dgap_cmdb(struct channel_t *ch, uchar cmd, uchar byte1, uchar byte2, uint ncmds)
{
char *vaddr = NULL;
struct cm_t *cm_addr = NULL;
@ -5478,7 +5497,7 @@ void dgap_cmdb(struct channel_t *ch, uchar cmd, uchar byte1, uchar byte2, uint n
* in the cmd buffer before returning.
*
*=======================================================================*/
void dgap_cmdw(struct channel_t *ch, uchar cmd, u16 word, uint ncmds)
static void dgap_cmdw(struct channel_t *ch, uchar cmd, u16 word, uint ncmds)
{
char *vaddr = NULL;
struct cm_t *cm_addr = NULL;
@ -5666,7 +5685,7 @@ static void dgap_cmdw_ext(struct channel_t *ch, u16 cmd, u16 word, uint ncmds)
* cnt - Number of characters to move.
*
*=======================================================================*/
void dgap_wmove(struct channel_t *ch, char *buf, uint cnt)
static void dgap_wmove(struct channel_t *ch, char *buf, uint cnt)
{
int n;
char *taddr;
@ -5721,7 +5740,7 @@ void dgap_wmove(struct channel_t *ch, char *buf, uint cnt)
* and returns it back to the user.
* Returns 0 on error.
*/
uint dgap_get_custom_baud(struct channel_t *ch)
static uint dgap_get_custom_baud(struct channel_t *ch)
{
uchar *vaddr;
ulong offset = 0;
@ -5758,7 +5777,7 @@ uint dgap_get_custom_baud(struct channel_t *ch)
/*
* Calls the firmware to reset this channel.
*/
void dgap_firmware_reset_port(struct channel_t *ch)
static void dgap_firmware_reset_port(struct channel_t *ch)
{
dgap_cmdb(ch, CHRESET, 0, 0, 0);
@ -5789,7 +5808,7 @@ void dgap_firmware_reset_port(struct channel_t *ch)
* struct tty_struct * - TTY for port.
*
*=======================================================================*/
int dgap_param(struct tty_struct *tty)
static int dgap_param(struct tty_struct *tty)
{
struct ktermios *ts;
struct board_t *bd;
@ -6136,7 +6155,7 @@ int dgap_param(struct tty_struct *tty)
* Convert the FEP5 way of reporting parity errors and breaks into
* the Linux line discipline way.
*/
void dgap_parity_scan(struct channel_t *ch, unsigned char *cbuf, unsigned char *fbuf, int *len)
static void dgap_parity_scan(struct channel_t *ch, unsigned char *cbuf, unsigned char *fbuf, int *len)
{
int l = *len;
int count = 0;
@ -6562,7 +6581,7 @@ static ssize_t dgap_driver_pollrate_store(struct device_driver *ddp, const char
static DRIVER_ATTR(pollrate, (S_IRUSR | S_IWUSR), dgap_driver_pollrate_show, dgap_driver_pollrate_store);
void dgap_create_driver_sysfiles(struct pci_driver *dgap_driver)
static void dgap_create_driver_sysfiles(struct pci_driver *dgap_driver)
{
int rc = 0;
struct device_driver *driverfs = &dgap_driver->driver;
@ -6581,7 +6600,7 @@ void dgap_create_driver_sysfiles(struct pci_driver *dgap_driver)
}
void dgap_remove_driver_sysfiles(struct pci_driver *dgap_driver)
static void dgap_remove_driver_sysfiles(struct pci_driver *dgap_driver)
{
struct device_driver *driverfs = &dgap_driver->driver;
driver_remove_file(driverfs, &driver_attr_version);
@ -6791,7 +6810,7 @@ static DEVICE_ATTR(ports_txcount, S_IRUSR, dgap_ports_txcount_show, NULL);
/* this function creates the sys files that will export each signal status
* to sysfs each value will be put in a separate filename
*/
void dgap_create_ports_sysfiles(struct board_t *bd)
static void dgap_create_ports_sysfiles(struct board_t *bd)
{
int rc = 0;
@ -6813,7 +6832,7 @@ void dgap_create_ports_sysfiles(struct board_t *bd)
/* removes all the sys files created for that port */
void dgap_remove_ports_sysfiles(struct board_t *bd)
static void dgap_remove_ports_sysfiles(struct board_t *bd)
{
device_remove_file(&(bd->pdev->dev), &dev_attr_ports_state);
device_remove_file(&(bd->pdev->dev), &dev_attr_ports_baud);
@ -7212,7 +7231,7 @@ static struct attribute_group dgap_tty_attribute_group = {
void dgap_create_tty_sysfs(struct un_t *un, struct device *c)
static void dgap_create_tty_sysfs(struct un_t *un, struct device *c)
{
int ret;
@ -7228,7 +7247,7 @@ void dgap_create_tty_sysfs(struct un_t *un, struct device *c)
}
void dgap_remove_tty_sysfs(struct device *c)
static void dgap_remove_tty_sysfs(struct device *c)
{
sysfs_remove_group(&c->kobj, &dgap_tty_attribute_group);
}
@ -7236,7 +7255,7 @@ void dgap_remove_tty_sysfs(struct device *c)
/*
* Parse a configuration file read into memory as a string.
*/
int dgap_parsefile(char **in, int Remove)
static int dgap_parsefile(char **in, int Remove)
{
struct cnode *p, *brd, *line, *conc;
int rc;
@ -8212,7 +8231,7 @@ static char *dgap_savestring(char *s)
/*
* Given a board pointer, returns whether we should use interrupts or not.
*/
uint dgap_config_get_useintr(struct board_t *bd)
static uint dgap_config_get_useintr(struct board_t *bd)
{
struct cnode *p = NULL;
@ -8239,7 +8258,7 @@ uint dgap_config_get_useintr(struct board_t *bd)
/*
* Given a board pointer, returns whether we turn on altpin or not.
*/
uint dgap_config_get_altpin(struct board_t *bd)
static uint dgap_config_get_altpin(struct board_t *bd)
{
struct cnode *p = NULL;
@ -8268,7 +8287,7 @@ uint dgap_config_get_altpin(struct board_t *bd)
* Given a specific type of board, if found, detached link and
* returns the first occurrence in the list.
*/
struct cnode *dgap_find_config(int type, int bus, int slot)
static struct cnode *dgap_find_config(int type, int bus, int slot)
{
struct cnode *p, *prev = NULL, *prev2 = NULL, *found = NULL;
@ -8334,7 +8353,7 @@ struct cnode *dgap_find_config(int type, int bus, int slot)
* all ports user specified should be on the board.
* (This does NOT mean they are all actually present right now tho)
*/
uint dgap_config_get_number_of_ports(struct board_t *bd)
static uint dgap_config_get_number_of_ports(struct board_t *bd)
{
int count = 0;
struct cnode *p = NULL;
@ -8363,7 +8382,7 @@ uint dgap_config_get_number_of_ports(struct board_t *bd)
return (count);
}
char *dgap_create_config_string(struct board_t *bd, char *string)
static char *dgap_create_config_string(struct board_t *bd, char *string)
{
char *ptr = string;
struct cnode *p = NULL;
@ -8422,7 +8441,7 @@ char *dgap_create_config_string(struct board_t *bd, char *string)
char *dgap_get_config_letters(struct board_t *bd, char *string)
static char *dgap_get_config_letters(struct board_t *bd, char *string)
{
int found = FALSE;
char *ptr = string;

50
drivers/staging/dgap/dgap_driver.h
Просмотреть файл

@ -663,8 +663,6 @@ enum {
REQUESTED_CONCENTRATOR
};
extern char *dgap_state_text[];
extern char *dgap_driver_state_text[];
/*
@ -1503,50 +1501,4 @@ struct cnode {
} u;
};
/*************************************************************************
*
* Prototypes for non-static functions used in more than one module
*
*************************************************************************/
extern int dgap_ms_sleep(ulong ms);
extern char *dgap_ioctl_name(int cmd);
extern void dgap_do_bios_load(struct board_t *brd, uchar __user *ubios, int len);
extern void dgap_do_fep_load(struct board_t *brd, uchar __user *ufep, int len);
extern void dgap_do_conc_load(struct board_t *brd, uchar *uaddr, int len);
extern void dgap_do_config_load(uchar __user *uaddr, int len);
extern int dgap_after_config_loaded(void);
extern int dgap_finalize_board_init(struct board_t *brd);
/*
* Our Global Variables.
*/
extern int dgap_driver_state; /* The state of the driver */
extern int dgap_debug; /* Debug variable */
extern int dgap_rawreadok; /* Set if user wants rawreads */
extern int dgap_poll_tick; /* Poll interval - 20 ms */
extern spinlock_t dgap_global_lock; /* Driver global spinlock */
extern uint dgap_NumBoards; /* Total number of boards */
extern struct board_t *dgap_Board[MAXBOARDS]; /* Array of board structs */
extern ulong dgap_poll_counter; /* Times the poller has run */
extern char *dgap_config_buf; /* The config file buffer */
extern spinlock_t dgap_dl_lock; /* Downloader spinlock */
extern wait_queue_head_t dgap_dl_wait; /* Wait queue for downloader */
extern int dgap_dl_action; /* Action flag for downloader */
extern int dgap_registerttyswithsysfs; /* Should we register the */
/* ttys with sysfs or not */
/*
* Global functions declared in dgap_fep5.c, but must be hidden from
* user space programs.
*/
extern void dgap_poll_tasklet(unsigned long data);
extern void dgap_cmdb(struct channel_t *ch, uchar cmd, uchar byte1, uchar byte2, uint ncmds);
extern void dgap_cmdw(struct channel_t *ch, uchar cmd, u16 word, uint ncmds);
extern void dgap_wmove(struct channel_t *ch, char *buf, uint cnt);
extern int dgap_param(struct tty_struct *tty);
extern void dgap_parity_scan(struct channel_t *ch, unsigned char *cbuf, unsigned char *fbuf, int *len);
extern uint dgap_get_custom_baud(struct channel_t *ch);
extern void dgap_firmware_reset_port(struct channel_t *ch);
#endif
#endif