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Commit acad5f8f authored by Paul Fulghum's avatar Paul Fulghum Committed by Linus Torvalds
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[PATCH] synclink_cs update 

- Remove MODULE_USE_COUNT macros
- Add owner member
- Add tiocmget/tiocmset tty callbacks
parent 4e4ab5fe
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Showing with 41 additions and 89 deletions
drivers/char/pcmcia/synclink_cs.c
View file @ acad5f8f
/*
* linux/drivers/char/pcmcia/synclink_cs.c
*
* $Id: synclink_cs.c,v 4.4 2002/10/10 14:53:37 paulkf Exp $
* $Id: synclink_cs.c,v 4.6 2003/04/21 17:46:55 paulkf Exp $
*
* Device driver for Microgate SyncLink PC Card
* multiprotocol serial adapter.
......@@ -442,9 +442,9 @@ static void bh_status(MGSLPC_INFO *info);
/*
* ioctl handlers
*/
static int set_modem_info(MGSLPC_INFO *info, unsigned int cmd,
unsigned int *value);
static int get_modem_info(MGSLPC_INFO *info, unsigned int *value);
static int tiocmget(struct tty_struct *tty, struct file *file);
static int tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
static int get_stats(MGSLPC_INFO *info, struct mgsl_icount *user_icount);
static int get_params(MGSLPC_INFO *info, MGSL_PARAMS *user_params);
static int set_params(MGSLPC_INFO *info, MGSL_PARAMS *new_params);
......@@ -496,7 +496,7 @@ MODULE_PARM(maxframe,"1-" __MODULE_STRING(MAX_DEVICE_COUNT) "i");
MODULE_LICENSE("GPL");
static char *driver_name = "SyncLink PC Card driver";
static char *driver_version = "$Revision: 4.4 $";
static char *driver_version = "$Revision: 4.6 $";
static struct tty_driver serial_driver, callout_driver;
static int serial_refcount;
......@@ -2326,94 +2326,56 @@ static int modem_input_wait(MGSLPC_INFO *info,int arg)
return rc;
}
/* Return state of the serial control/status signals
*
* Arguments: info pointer to device instance data
* value pointer to int to hold returned info
*
* Return Value: 0 if success, otherwise error code
/* return the state of the serial control and status signals
*/
static int get_modem_info(MGSLPC_INFO * info, unsigned int *value)
static int tiocmget(struct tty_struct *tty, struct file *file)
{
MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data;
unsigned int result;
unsigned long flags;
int err;
spin_lock_irqsave(&info->lock,flags);
get_signals(info);
spin_unlock_irqrestore(&info->lock,flags);
result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS:0) |
((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR:0) |
((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR:0) |
((info->serial_signals & SerialSignal_RI) ? TIOCM_RNG:0) |
((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR:0) |
((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS:0);
result = ((info->serial_signals & SerialSignal_RTS) ? TIOCM_RTS:0) +
((info->serial_signals & SerialSignal_DTR) ? TIOCM_DTR:0) +
((info->serial_signals & SerialSignal_DCD) ? TIOCM_CAR:0) +
((info->serial_signals & SerialSignal_RI) ? TIOCM_RNG:0) +
((info->serial_signals & SerialSignal_DSR) ? TIOCM_DSR:0) +
((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS:0);
if (debug_level >= DEBUG_LEVEL_INFO)
printk("mgslpc_get_modem_info %s value=%08X\n", info->device_name, result);
PUT_USER(err,result,value);
return err ? -EFAULT : 0;
printk("%s(%d):%s tiocmget() value=%08X\n",
__FILE__,__LINE__, info->device_name, result );
return result;
}
/* Set the state of the modem control signals (DTR/RTS)
*
* Arguments:
*
* info pointer to device instance data
* cmd signal command: TIOCMBIS = set bit TIOCMBIC = clear bit
* TIOCMSET = set/clear signal values
* value bit mask for command
*
* Return Value: 0 if success, otherwise error code
/* set modem control signals (DTR/RTS)
*/
static int set_modem_info(MGSLPC_INFO * info, unsigned int cmd,
unsigned int *value)
static int tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
int error;
unsigned int arg;
MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data;
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("mgslpc_set_modem_info %s\n", info->device_name);
GET_USER(error,arg,value);
if (error)
return error;
switch (cmd) {
case TIOCMBIS:
if (arg & TIOCM_RTS)
info->serial_signals |= SerialSignal_RTS;
if (arg & TIOCM_DTR)
info->serial_signals |= SerialSignal_DTR;
break;
case TIOCMBIC:
if (arg & TIOCM_RTS)
info->serial_signals &= ~SerialSignal_RTS;
if (arg & TIOCM_DTR)
info->serial_signals &= ~SerialSignal_DTR;
break;
case TIOCMSET:
if (arg & TIOCM_RTS)
info->serial_signals |= SerialSignal_RTS;
else
info->serial_signals &= ~SerialSignal_RTS;
if (arg & TIOCM_DTR)
info->serial_signals |= SerialSignal_DTR;
else
info->serial_signals &= ~SerialSignal_DTR;
break;
default:
return -EINVAL;
}
printk("%s(%d):%s tiocmset(%x,%x)\n",
__FILE__,__LINE__,info->device_name, set, clear);
if (set & TIOCM_RTS)
info->serial_signals |= SerialSignal_RTS;
if (set & TIOCM_DTR)
info->serial_signals |= SerialSignal_DTR;
if (clear & TIOCM_RTS)
info->serial_signals &= ~SerialSignal_RTS;
if (clear & TIOCM_DTR)
info->serial_signals &= ~SerialSignal_DTR;
spin_lock_irqsave(&info->lock,flags);
set_signals(info);
spin_unlock_irqrestore(&info->lock,flags);
return 0;
}
......@@ -2482,12 +2444,6 @@ int ioctl_common(MGSLPC_INFO *info, unsigned int cmd, unsigned long arg)
unsigned long flags;
switch (cmd) {
case TIOCMGET:
return get_modem_info(info, (unsigned int *) arg);
case TIOCMBIS:
case TIOCMBIC:
case TIOCMSET:
return set_modem_info(info, cmd, (unsigned int *) arg);
case MGSL_IOCGPARAMS:
return get_params(info,(MGSL_PARAMS *)arg);
case MGSL_IOCSPARAMS:
......@@ -2687,7 +2643,6 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp)
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__,__LINE__,
tty->driver.name, info->count);
MOD_DEC_USE_COUNT;
}
/* Wait until the transmitter is empty.
......@@ -2939,8 +2894,6 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp)
printk("%s(%d):mgslpc_open(%s), old ref count = %d\n",
__FILE__,__LINE__,tty->driver.name, info->count);
MOD_INC_USE_COUNT;
/* If port is closing, signal caller to try again */
if (tty_hung_up_p(filp) || info->flags & ASYNC_CLOSING){
if (info->flags & ASYNC_CLOSING)
......@@ -2995,7 +2948,6 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp)
cleanup:
if (retval) {
MOD_DEC_USE_COUNT;
if(info->count)
info->count--;
}
......@@ -3247,6 +3199,7 @@ static int __init synclink_cs_init(void)
memset(&serial_driver, 0, sizeof(struct tty_driver));
serial_driver.magic = TTY_DRIVER_MAGIC;
serial_driver.owner = THIS_MODULE;
serial_driver.driver_name = "synclink_cs";
serial_driver.name = "ttySLP";
serial_driver.major = ttymajor;
......@@ -3282,6 +3235,8 @@ static int __init synclink_cs_init(void)
serial_driver.stop = tx_pause;
serial_driver.start = tx_release;
serial_driver.hangup = mgslpc_hangup;
serial_driver.tiocmget = tiocmget;
serial_driver.tiocmset = tiocmset;
/*
* The callout device is just like normal device except for
......@@ -4386,7 +4341,7 @@ int mgslpc_sppp_open(struct net_device *d)
{
MGSLPC_INFO *info = d->priv;
int err;
long flags;
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("mgslpc_sppp_open(%s)\n",info->netname);
......@@ -4398,7 +4353,6 @@ int mgslpc_sppp_open(struct net_device *d)
return -EBUSY;
}
info->netcount=1;
MOD_INC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);
/* claim resources and init adapter */
......@@ -4421,7 +4375,6 @@ int mgslpc_sppp_open(struct net_device *d)
open_fail:
spin_lock_irqsave(&info->netlock, flags);
info->netcount=0;
MOD_DEC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);
return err;
}
......@@ -4429,7 +4382,7 @@ int mgslpc_sppp_open(struct net_device *d)
void mgslpc_sppp_tx_timeout(struct net_device *dev)
{
MGSLPC_INFO *info = dev->priv;
long flags;
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("mgslpc_sppp_tx_timeout(%s)\n",info->netname);
......@@ -4491,7 +4444,6 @@ int mgslpc_sppp_close(struct net_device *d)
spin_lock_irqsave(&info->netlock, flags);
info->netcount=0;
MOD_DEC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);
return 0;
}
......
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