[PATCH] synclinkmp.c 2.5.68

Paul Fulghum (paulkf@microgate.com)
21 Apr 2003 13:43:25 -0500


* Remove MODULE_USE_COUNT macros
* Add owner member
* Add tiocmget/tiocmset tty callbacks

Please Apply

Paul Fulghum
paulkf@microgate.com

--- linux-2.5.68/drivers/char/synclinkmp.c 2003-04-07 12:30:46.000000000 -0500
+++ linux-2.5.68-mg/drivers/char/synclinkmp.c 2003-04-21 12:54:06.666577344 -0500
@@ -1,5 +1,5 @@
/*
- * $Id: synclinkmp.c,v 4.6 2002/10/10 14:50:47 paulkf Exp $
+ * $Id: synclinkmp.c,v 4.8 2003/04/21 17:46:55 paulkf Exp $
*
* Device driver for Microgate SyncLink Multiport
* high speed multiprotocol serial adapter.
@@ -503,7 +503,7 @@
MODULE_PARM(dosyncppp,"1-" __MODULE_STRING(MAX_DEVICES) "i");

static char *driver_name = "SyncLink MultiPort driver";
-static char *driver_version = "$Revision: 4.6 $";
+static char *driver_version = "$Revision: 4.8 $";

static int synclinkmp_init_one(struct pci_dev *dev,const struct pci_device_id *ent);
static void synclinkmp_remove_one(struct pci_dev *dev);
@@ -592,8 +592,9 @@
static int map_status(int signals);
static int modem_input_wait(SLMP_INFO *info,int arg);
static int wait_mgsl_event(SLMP_INFO *info, int *mask_ptr);
-static int get_modem_info(SLMP_INFO *info, unsigned int *value);
-static int set_modem_info(SLMP_INFO *info, unsigned int cmd,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 void set_break(struct tty_struct *tty, int break_state);

static void add_device(SLMP_INFO *info);
@@ -770,8 +771,6 @@
printk("%s(%d):%s open(), 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)
@@ -826,7 +825,6 @@

cleanup:
if (retval) {
- MOD_DEC_USE_COUNT;
if(info->count)
info->count--;
}
@@ -925,7 +923,6 @@
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__,
tty->driver.name, info->count);
- MOD_DEC_USE_COUNT;
}

/* Called by tty_hangup() when a hangup is signaled.
@@ -1387,12 +1384,6 @@
}

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:
@@ -1717,7 +1708,7 @@
{
SLMP_INFO *info = d->priv;
int err;
- long flags;
+ unsigned long flags;

if (debug_level >= DEBUG_LEVEL_INFO)
printk("sppp_cb_open(%s)\n",info->netname);
@@ -1729,7 +1720,6 @@
return -EBUSY;
}
info->netcount=1;
- MOD_INC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);

/* claim resources and init adapter */
@@ -1752,7 +1742,6 @@
open_fail:
spin_lock_irqsave(&info->netlock, flags);
info->netcount=0;
- MOD_DEC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);
return err;
}
@@ -1760,7 +1749,7 @@
static void sppp_cb_tx_timeout(struct net_device *dev)
{
SLMP_INFO *info = dev->priv;
- long flags;
+ unsigned long flags;

if (debug_level >= DEBUG_LEVEL_INFO)
printk("sppp_tx_timeout(%s)\n",info->netname);
@@ -1818,7 +1807,6 @@

spin_lock_irqsave(&info->netlock, flags);
info->netcount=0;
- MOD_DEC_USE_COUNT;
spin_unlock_irqrestore(&info->netlock, flags);
return 0;
}
@@ -3146,11 +3134,11 @@

/* return the state of the serial control and status signals
*/
-static int get_modem_info(SLMP_INFO * info, unsigned int *value)
+static int tiocmget(struct tty_struct *tty, struct file *file)
{
+ SLMP_INFO *info = (SLMP_INFO *)tty->driver_data;
unsigned int result;
unsigned long flags;
- int err;

spin_lock_irqsave(&info->lock,flags);
get_signals(info);
@@ -3164,61 +3152,31 @@
((info->serial_signals & SerialSignal_CTS) ? TIOCM_CTS:0);

if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):%s synclinkmp_get_modem_info() value=%08X\n",
+ printk("%s(%d):%s tiocmget() value=%08X\n",
__FILE__,__LINE__, info->device_name, result );
-
- PUT_USER(err,result,value);
- return err;
+ return result;
}

/* set modem control signals (DTR/RTS)
- *
- * cmd signal command: TIOCMBIS = set bit TIOCMBIC = clear bit
- * TIOCMSET = set/clear signal values
- * value bit mask for command
*/
-static int set_modem_info(SLMP_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;
+ SLMP_INFO *info = (SLMP_INFO *)tty->driver_data;
unsigned long flags;

if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):%s synclinkmp_set_modem_info()\n",
- __FILE__,__LINE__,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;
+ printk("%s(%d):%s tiocmset(%x,%x)\n",
+ __FILE__,__LINE__,info->device_name, set, clear);

- if (arg & TIOCM_DTR)
- info->serial_signals |= SerialSignal_DTR;
- else
- info->serial_signals &= ~SerialSignal_DTR;
- break;
- default:
- return -EINVAL;
- }
+ 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);
@@ -3875,6 +3833,7 @@

memset(&serial_driver, 0, sizeof(struct tty_driver));
serial_driver.magic = TTY_DRIVER_MAGIC;
+ serial_driver.owner = THIS_MODULE;
serial_driver.driver_name = "synclinkmp";
serial_driver.name = "ttySLM";
serial_driver.major = ttymajor;
@@ -3910,6 +3869,8 @@
serial_driver.stop = tx_hold;
serial_driver.start = tx_release;
serial_driver.hangup = hangup;
+ serial_driver.tiocmget = tiocmget;
+ serial_driver.tiocmset = tiocmset;

/*
* The callout device is just like normal device except for

-
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