ASYNC_PARITY_NONE /* unsigned char parity; */
};
-typedef struct
-{
+typedef struct {
int count;
unsigned char status;
char data[1];
#define write_reg16(info, reg, val) outw((val), (info)->io_base + (reg))
#define set_reg_bits(info, reg, mask) \
- write_reg(info, (reg), \
+ write_reg(info, (reg), \
(unsigned char) (read_reg(info, (reg)) | (mask)))
#define clear_reg_bits(info, reg, mask) \
- write_reg(info, (reg), \
+ write_reg(info, (reg), \
(unsigned char) (read_reg(info, (reg)) & ~(mask)))
/*
* interrupt enable/disable routines
}
#define port_irq_disable(info, mask) \
- { info->pim_value |= (mask); write_reg(info, PIM, info->pim_value); }
+ { info->pim_value |= (mask); write_reg(info, PIM, info->pim_value); }
#define port_irq_enable(info, mask) \
- { info->pim_value &= ~(mask); write_reg(info, PIM, info->pim_value); }
+ { info->pim_value &= ~(mask); write_reg(info, PIM, info->pim_value); }
static void rx_start(MGSLPC_INFO *info);
static void rx_stop(MGSLPC_INFO *info);
static int claim_resources(MGSLPC_INFO *info);
static void release_resources(MGSLPC_INFO *info);
-static void mgslpc_add_device(MGSLPC_INFO *info);
+static int mgslpc_add_device(MGSLPC_INFO *info);
static void mgslpc_remove_device(MGSLPC_INFO *info);
static bool rx_get_frame(MGSLPC_INFO *info, struct tty_struct *tty);
static int mgslpc_probe(struct pcmcia_device *link)
{
- MGSLPC_INFO *info;
- int ret;
-
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("mgslpc_attach\n");
-
- info = kzalloc(sizeof(MGSLPC_INFO), GFP_KERNEL);
- if (!info) {
- printk("Error can't allocate device instance data\n");
- return -ENOMEM;
- }
-
- info->magic = MGSLPC_MAGIC;
- tty_port_init(&info->port);
- info->port.ops = &mgslpc_port_ops;
- INIT_WORK(&info->task, bh_handler);
- info->max_frame_size = 4096;
- info->port.close_delay = 5*HZ/10;
- info->port.closing_wait = 30*HZ;
- init_waitqueue_head(&info->status_event_wait_q);
- init_waitqueue_head(&info->event_wait_q);
- spin_lock_init(&info->lock);
- spin_lock_init(&info->netlock);
- memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS));
- info->idle_mode = HDLC_TXIDLE_FLAGS;
- info->imra_value = 0xffff;
- info->imrb_value = 0xffff;
- info->pim_value = 0xff;
-
- info->p_dev = link;
- link->priv = info;
-
- /* Initialize the struct pcmcia_device structure */
-
- ret = mgslpc_config(link);
- if (ret) {
- tty_port_destroy(&info->port);
- return ret;
- }
-
- mgslpc_add_device(info);
-
- return 0;
+ MGSLPC_INFO *info;
+ int ret;
+
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("mgslpc_attach\n");
+
+ info = kzalloc(sizeof(MGSLPC_INFO), GFP_KERNEL);
+ if (!info) {
+ printk("Error can't allocate device instance data\n");
+ return -ENOMEM;
+ }
+
+ info->magic = MGSLPC_MAGIC;
+ tty_port_init(&info->port);
+ info->port.ops = &mgslpc_port_ops;
+ INIT_WORK(&info->task, bh_handler);
+ info->max_frame_size = 4096;
+ info->port.close_delay = 5*HZ/10;
+ info->port.closing_wait = 30*HZ;
+ init_waitqueue_head(&info->status_event_wait_q);
+ init_waitqueue_head(&info->event_wait_q);
+ spin_lock_init(&info->lock);
+ spin_lock_init(&info->netlock);
+ memcpy(&info->params,&default_params,sizeof(MGSL_PARAMS));
+ info->idle_mode = HDLC_TXIDLE_FLAGS;
+ info->imra_value = 0xffff;
+ info->imrb_value = 0xffff;
+ info->pim_value = 0xff;
+
+ info->p_dev = link;
+ link->priv = info;
+
+ /* Initialize the struct pcmcia_device structure */
+
+ ret = mgslpc_config(link);
+ if (ret != 0)
+ goto failed;
+
+ ret = mgslpc_add_device(info);
+ if (ret != 0)
+ goto failed_release;
+
+ return 0;
+
+failed_release:
+ mgslpc_release((u_long)link);
+failed:
+ tty_port_destroy(&info->port);
+ kfree(info);
+ return ret;
}
/* Card has been inserted.
static int mgslpc_config(struct pcmcia_device *link)
{
- MGSLPC_INFO *info = link->priv;
- int ret;
+ MGSLPC_INFO *info = link->priv;
+ int ret;
- if (debug_level >= DEBUG_LEVEL_INFO)
- printk("mgslpc_config(0x%p)\n", link);
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("mgslpc_config(0x%p)\n", link);
- link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
+ link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
- ret = pcmcia_loop_config(link, mgslpc_ioprobe, NULL);
- if (ret != 0)
- goto failed;
+ ret = pcmcia_loop_config(link, mgslpc_ioprobe, NULL);
+ if (ret != 0)
+ goto failed;
- link->config_index = 8;
- link->config_regs = PRESENT_OPTION;
+ link->config_index = 8;
+ link->config_regs = PRESENT_OPTION;
- ret = pcmcia_request_irq(link, mgslpc_isr);
- if (ret)
- goto failed;
- ret = pcmcia_enable_device(link);
- if (ret)
- goto failed;
+ ret = pcmcia_request_irq(link, mgslpc_isr);
+ if (ret)
+ goto failed;
+ ret = pcmcia_enable_device(link);
+ if (ret)
+ goto failed;
- info->io_base = link->resource[0]->start;
- info->irq_level = link->irq;
- return 0;
+ info->io_base = link->resource[0]->start;
+ info->irq_level = link->irq;
+ return 0;
failed:
- mgslpc_release((u_long)link);
- return -ENODEV;
+ mgslpc_release((u_long)link);
+ return -ENODEV;
}
/* Card has been removed.
if (mgslpc_paranoia_check(info, tty->name, "tx_pause"))
return;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("tx_pause(%s)\n",info->device_name);
+ printk("tx_pause(%s)\n", info->device_name);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (info->tx_enabled)
- tx_stop(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ tx_stop(info);
+ spin_unlock_irqrestore(&info->lock, flags);
}
static void tx_release(struct tty_struct *tty)
if (mgslpc_paranoia_check(info, tty->name, "tx_release"))
return;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("tx_release(%s)\n",info->device_name);
+ printk("tx_release(%s)\n", info->device_name);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (!info->tx_enabled)
- tx_start(info, tty);
- spin_unlock_irqrestore(&info->lock,flags);
+ tx_start(info, tty);
+ spin_unlock_irqrestore(&info->lock, flags);
}
/* Return next bottom half action to perform.
unsigned long flags;
int rc = 0;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (info->pending_bh & BH_RECEIVE) {
info->pending_bh &= ~BH_RECEIVE;
info->bh_requested = false;
}
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return rc;
}
int action;
if (debug_level >= DEBUG_LEVEL_BH)
- printk( "%s(%d):bh_handler(%s) entry\n",
+ printk("%s(%d):bh_handler(%s) entry\n",
__FILE__,__LINE__,info->device_name);
info->bh_running = true;
while((action = bh_action(info)) != 0) {
/* Process work item */
- if ( debug_level >= DEBUG_LEVEL_BH )
- printk( "%s(%d):bh_handler() work item action=%d\n",
+ if (debug_level >= DEBUG_LEVEL_BH)
+ printk("%s(%d):bh_handler() work item action=%d\n",
__FILE__,__LINE__,action);
switch (action) {
tty_kref_put(tty);
if (debug_level >= DEBUG_LEVEL_BH)
- printk( "%s(%d):bh_handler(%s) exit\n",
+ printk("%s(%d):bh_handler(%s) exit\n",
__FILE__,__LINE__,info->device_name);
}
RXBUF *buf = (RXBUF*)(info->rx_buf + (info->rx_put * info->rx_buf_size));
if (debug_level >= DEBUG_LEVEL_ISR)
- printk("%s(%d):rx_ready_hdlc(eom=%d)\n",__FILE__,__LINE__,eom);
+ printk("%s(%d):rx_ready_hdlc(eom=%d)\n", __FILE__, __LINE__, eom);
if (!info->rx_enabled)
return;
if (eom) {
/* end of frame, get FIFO count from RBCL register */
- if (!(fifo_count = (unsigned char)(read_reg(info, CHA+RBCL) & 0x1f)))
+ fifo_count = (unsigned char)(read_reg(info, CHA+RBCL) & 0x1f);
+ if (fifo_count == 0)
fifo_count = 32;
} else
fifo_count = 32;
unsigned char data, status, flag;
int fifo_count;
int work = 0;
- struct mgsl_icount *icount = &info->icount;
+ struct mgsl_icount *icount = &info->icount;
if (tcd) {
/* early termination, get FIFO count from RBCL register */
int c;
if (debug_level >= DEBUG_LEVEL_ISR)
- printk("%s(%d):tx_ready(%s)\n", __FILE__,__LINE__,info->device_name);
+ printk("%s(%d):tx_ready(%s)\n", __FILE__, __LINE__, info->device_name);
if (info->params.mode == MGSL_MODE_HDLC) {
if (!info->tx_active)
*/
if (info->pending_bh && !info->bh_running && !info->bh_requested) {
- if ( debug_level >= DEBUG_LEVEL_ISR )
+ if (debug_level >= DEBUG_LEVEL_ISR)
printk("%s(%d):%s queueing bh task.\n",
__FILE__,__LINE__,info->device_name);
schedule_work(&info->task);
int retval = 0;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):startup(%s)\n",__FILE__,__LINE__,info->device_name);
+ printk("%s(%d):startup(%s)\n", __FILE__, __LINE__, info->device_name);
if (info->port.flags & ASYNC_INITIALIZED)
return 0;
info->tx_buf = (unsigned char *)get_zeroed_page(GFP_KERNEL);
if (!info->tx_buf) {
printk(KERN_ERR"%s(%d):%s can't allocate transmit buffer\n",
- __FILE__,__LINE__,info->device_name);
+ __FILE__, __LINE__, info->device_name);
return -ENOMEM;
}
}
retval = claim_resources(info);
/* perform existence check and diagnostics */
- if ( !retval )
+ if (!retval)
retval = adapter_test(info);
- if ( retval ) {
- if (capable(CAP_SYS_ADMIN) && tty)
+ if (retval) {
+ if (capable(CAP_SYS_ADMIN) && tty)
set_bit(TTY_IO_ERROR, &tty->flags);
release_resources(info);
- return retval;
- }
+ return retval;
+ }
/* program hardware for current parameters */
mgslpc_change_params(info, tty);
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_shutdown(%s)\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
/* clear status wait queue because status changes */
/* can't happen after shutting down the hardware */
info->tx_buf = NULL;
}
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
rx_stop(info);
tx_stop(info);
/* TODO:disable interrupts instead of reset to preserve signal states */
reset_device(info);
- if (!tty || tty->termios.c_cflag & HUPCL) {
+ if (!tty || tty->termios.c_cflag & HUPCL) {
info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
set_signals(info);
}
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
release_resources(info);
{
unsigned long flags;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
rx_stop(info);
tx_stop(info);
if (info->netcount || (tty && (tty->termios.c_cflag & CREAD)))
rx_start(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
}
/* Reconfigure adapter based on new parameters
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_change_params(%s)\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
cflag = tty->termios.c_cflag;
/* if B0 rate (hangup) specified then negate RTS and DTR */
/* otherwise assert RTS and DTR */
- if (cflag & CBAUD)
+ if (cflag & CBAUD)
info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR;
else
info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
info->params.data_rate = tty_get_baud_rate(tty);
}
- if ( info->params.data_rate ) {
+ if (info->params.data_rate) {
info->timeout = (32*HZ*bits_per_char) /
info->params.data_rate;
}
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO) {
- printk( "%s(%d):mgslpc_put_char(%d) on %s\n",
- __FILE__,__LINE__,ch,info->device_name);
+ printk("%s(%d):mgslpc_put_char(%d) on %s\n",
+ __FILE__, __LINE__, ch, info->device_name);
}
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_put_char"))
if (!info->tx_buf)
return 0;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (info->params.mode == MGSL_MODE_ASYNC || !info->tx_active) {
if (info->tx_count < TXBUFSIZE - 1) {
}
}
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return 1;
}
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk( "%s(%d):mgslpc_flush_chars() entry on %s tx_count=%d\n",
- __FILE__,__LINE__,info->device_name,info->tx_count);
+ printk("%s(%d):mgslpc_flush_chars() entry on %s tx_count=%d\n",
+ __FILE__, __LINE__, info->device_name, info->tx_count);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_flush_chars"))
return;
return;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk( "%s(%d):mgslpc_flush_chars() entry on %s starting transmitter\n",
- __FILE__,__LINE__,info->device_name);
+ printk("%s(%d):mgslpc_flush_chars() entry on %s starting transmitter\n",
+ __FILE__, __LINE__, info->device_name);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (!info->tx_active)
- tx_start(info, tty);
- spin_unlock_irqrestore(&info->lock,flags);
+ tx_start(info, tty);
+ spin_unlock_irqrestore(&info->lock, flags);
}
/* Send a block of data
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk( "%s(%d):mgslpc_write(%s) count=%d\n",
- __FILE__,__LINE__,info->device_name,count);
+ printk("%s(%d):mgslpc_write(%s) count=%d\n",
+ __FILE__, __LINE__, info->device_name, count);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_write") ||
!info->tx_buf)
memcpy(info->tx_buf + info->tx_put, buf, c);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
info->tx_put = (info->tx_put + c) & (TXBUFSIZE-1);
info->tx_count += c;
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
buf += c;
count -= c;
ret += c;
}
start:
- if (info->tx_count && !tty->stopped && !tty->hw_stopped) {
- spin_lock_irqsave(&info->lock,flags);
+ if (info->tx_count && !tty->stopped && !tty->hw_stopped) {
+ spin_lock_irqsave(&info->lock, flags);
if (!info->tx_active)
- tx_start(info, tty);
- spin_unlock_irqrestore(&info->lock,flags);
- }
+ tx_start(info, tty);
+ spin_unlock_irqrestore(&info->lock, flags);
+ }
cleanup:
if (debug_level >= DEBUG_LEVEL_INFO)
- printk( "%s(%d):mgslpc_write(%s) returning=%d\n",
- __FILE__,__LINE__,info->device_name,ret);
+ printk("%s(%d):mgslpc_write(%s) returning=%d\n",
+ __FILE__, __LINE__, info->device_name, ret);
return ret;
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_write_room(%s)=%d\n",
- __FILE__,__LINE__, info->device_name, ret);
+ __FILE__, __LINE__, info->device_name, ret);
return ret;
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_chars_in_buffer(%s)\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_chars_in_buffer"))
return 0;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_chars_in_buffer(%s)=%d\n",
- __FILE__,__LINE__, info->device_name, rc);
+ __FILE__, __LINE__, info->device_name, rc);
return rc;
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_flush_buffer(%s) entry\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_flush_buffer"))
return;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
info->tx_count = info->tx_put = info->tx_get = 0;
del_timer(&info->tx_timer);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
wake_up_interruptible(&tty->write_wait);
tty_wakeup(tty);
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_send_xchar(%s,%d)\n",
- __FILE__,__LINE__, info->device_name, ch );
+ __FILE__, __LINE__, info->device_name, ch);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_send_xchar"))
return;
info->x_char = ch;
if (ch) {
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (!info->tx_enabled)
- tx_start(info, tty);
- spin_unlock_irqrestore(&info->lock,flags);
+ tx_start(info, tty);
+ spin_unlock_irqrestore(&info->lock, flags);
}
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_throttle(%s) entry\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_throttle"))
return;
if (I_IXOFF(tty))
mgslpc_send_xchar(tty, STOP_CHAR(tty));
- if (tty->termios.c_cflag & CRTSCTS) {
- spin_lock_irqsave(&info->lock,flags);
+ if (tty->termios.c_cflag & CRTSCTS) {
+ spin_lock_irqsave(&info->lock, flags);
info->serial_signals &= ~SerialSignal_RTS;
- set_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ set_signals(info);
+ spin_unlock_irqrestore(&info->lock, flags);
}
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_unthrottle(%s) entry\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_unthrottle"))
return;
mgslpc_send_xchar(tty, START_CHAR(tty));
}
- if (tty->termios.c_cflag & CRTSCTS) {
- spin_lock_irqsave(&info->lock,flags);
+ if (tty->termios.c_cflag & CRTSCTS) {
+ spin_lock_irqsave(&info->lock, flags);
info->serial_signals |= SerialSignal_RTS;
- set_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ set_signals(info);
+ spin_unlock_irqrestore(&info->lock, flags);
}
}
*
* Arguments:
*
- * info pointer to device instance data
- * new_params user buffer containing new serial params
+ * info pointer to device instance data
+ * new_params user buffer containing new serial params
*
* Returns: 0 if success, otherwise error code
*/
static int set_params(MGSLPC_INFO * info, MGSL_PARAMS __user *new_params, struct tty_struct *tty)
{
- unsigned long flags;
+ unsigned long flags;
MGSL_PARAMS tmp_params;
int err;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):set_params %s\n", __FILE__,__LINE__,
- info->device_name );
+ info->device_name);
COPY_FROM_USER(err,&tmp_params, new_params, sizeof(MGSL_PARAMS));
if (err) {
- if ( debug_level >= DEBUG_LEVEL_INFO )
- printk( "%s(%d):set_params(%s) user buffer copy failed\n",
- __FILE__,__LINE__,info->device_name);
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):set_params(%s) user buffer copy failed\n",
+ __FILE__, __LINE__, info->device_name);
return -EFAULT;
}
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
memcpy(&info->params,&tmp_params,sizeof(MGSL_PARAMS));
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
- mgslpc_change_params(info, tty);
+ mgslpc_change_params(info, tty);
return 0;
}
static int set_txidle(MGSLPC_INFO * info, int idle_mode)
{
- unsigned long flags;
+ unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("set_txidle(%s,%d)\n", info->device_name, idle_mode);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
info->idle_mode = idle_mode;
tx_set_idle(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return 0;
}
static int set_interface(MGSLPC_INFO * info, int if_mode)
{
- unsigned long flags;
+ unsigned long flags;
unsigned char val;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("set_interface(%s,%d)\n", info->device_name, if_mode);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
info->if_mode = if_mode;
val = read_reg(info, PVR) & 0x0f;
}
write_reg(info, PVR, val);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return 0;
}
static int set_txenable(MGSLPC_INFO * info, int enable, struct tty_struct *tty)
{
- unsigned long flags;
+ unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("set_txenable(%s,%d)\n", info->device_name, enable);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (enable) {
if (!info->tx_enabled)
tx_start(info, tty);
if (info->tx_enabled)
tx_stop(info);
}
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return 0;
}
static int tx_abort(MGSLPC_INFO * info)
{
- unsigned long flags;
+ unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("tx_abort(%s)\n", info->device_name);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (info->tx_active && info->tx_count &&
info->params.mode == MGSL_MODE_HDLC) {
/* clear data count so FIFO is not filled on next IRQ.
info->tx_count = info->tx_put = info->tx_get = 0;
info->tx_aborting = true;
}
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return 0;
}
static int set_rxenable(MGSLPC_INFO * info, int enable)
{
- unsigned long flags;
+ unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("set_rxenable(%s,%d)\n", info->device_name, enable);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (enable) {
if (!info->rx_enabled)
rx_start(info);
if (info->rx_enabled)
rx_stop(info);
}
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return 0;
}
/* wait for specified event to occur
*
- * Arguments: info pointer to device instance data
- * mask pointer to bitmask of events to wait for
- * Return Value: 0 if successful and bit mask updated with
+ * Arguments: info pointer to device instance data
+ * mask pointer to bitmask of events to wait for
+ * Return Value: 0 if successful and bit mask updated with
* of events triggerred,
- * otherwise error code
+ * otherwise error code
*/
static int wait_events(MGSLPC_INFO * info, int __user *mask_ptr)
{
- unsigned long flags;
+ unsigned long flags;
int s;
int rc=0;
struct mgsl_icount cprev, cnow;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("wait_events(%s,%d)\n", info->device_name, mask);
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
/* return immediately if state matches requested events */
get_signals(info);
s = info->serial_signals;
events = mask &
( ((s & SerialSignal_DSR) ? MgslEvent_DsrActive:MgslEvent_DsrInactive) +
- ((s & SerialSignal_DCD) ? MgslEvent_DcdActive:MgslEvent_DcdInactive) +
+ ((s & SerialSignal_DCD) ? MgslEvent_DcdActive:MgslEvent_DcdInactive) +
((s & SerialSignal_CTS) ? MgslEvent_CtsActive:MgslEvent_CtsInactive) +
((s & SerialSignal_RI) ? MgslEvent_RiActive :MgslEvent_RiInactive) );
if (events) {
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
goto exit;
}
set_current_state(TASK_INTERRUPTIBLE);
add_wait_queue(&info->event_wait_q, &wait);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
for(;;) {
}
/* get current irq counts */
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
cnow = info->icount;
newsigs = info->input_signal_events;
set_current_state(TASK_INTERRUPTIBLE);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
/* if no change, wait aborted for some reason */
if (newsigs.dsr_up == oldsigs.dsr_up &&
set_current_state(TASK_RUNNING);
if (mask & MgslEvent_ExitHuntMode) {
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (!waitqueue_active(&info->event_wait_q))
irq_disable(info, CHA, IRQ_EXITHUNT);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
}
exit:
if (rc == 0)
static int modem_input_wait(MGSLPC_INFO *info,int arg)
{
- unsigned long flags;
+ unsigned long flags;
int rc;
struct mgsl_icount cprev, cnow;
DECLARE_WAITQUEUE(wait, current);
/* save current irq counts */
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
cprev = info->icount;
add_wait_queue(&info->status_event_wait_q, &wait);
set_current_state(TASK_INTERRUPTIBLE);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
for(;;) {
schedule();
}
/* get new irq counts */
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
cnow = info->icount;
set_current_state(TASK_INTERRUPTIBLE);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
/* if no change, wait aborted for some reason */
if (cnow.rng == cprev.rng && cnow.dsr == cprev.dsr &&
{
MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data;
unsigned int result;
- unsigned long flags;
+ unsigned long flags;
- spin_lock_irqsave(&info->lock,flags);
- get_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ 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) +
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):%s tiocmget() value=%08X\n",
- __FILE__,__LINE__, info->device_name, result );
+ __FILE__, __LINE__, info->device_name, result);
return result;
}
unsigned int set, unsigned int clear)
{
MGSLPC_INFO *info = (MGSLPC_INFO *)tty->driver_data;
- unsigned long flags;
+ unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):%s tiocmset(%x,%x)\n",
- __FILE__,__LINE__,info->device_name, set, clear);
+ __FILE__, __LINE__, info->device_name, set, clear);
if (set & 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);
+ spin_lock_irqsave(&info->lock, flags);
+ set_signals(info);
+ spin_unlock_irqrestore(&info->lock, flags);
return 0;
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_break(%s,%d)\n",
- __FILE__,__LINE__, info->device_name, break_state);
+ __FILE__, __LINE__, info->device_name, break_state);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_break"))
return -EINVAL;
- spin_lock_irqsave(&info->lock,flags);
- if (break_state == -1)
+ spin_lock_irqsave(&info->lock, flags);
+ if (break_state == -1)
set_reg_bits(info, CHA+DAFO, BIT6);
else
clear_reg_bits(info, CHA+DAFO, BIT6);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return 0;
}
struct mgsl_icount cnow; /* kernel counter temps */
unsigned long flags;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
cnow = info->icount;
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
icount->cts = cnow.cts;
icount->dsr = cnow.dsr;
*
* Arguments:
*
- * tty pointer to tty instance data
- * cmd IOCTL command code
- * arg command argument/context
+ * tty pointer to tty instance data
+ * cmd IOCTL command code
+ * arg command argument/context
*
* Return Value: 0 if success, otherwise error code
*/
void __user *argp = (void __user *)arg;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgslpc_ioctl %s cmd=%08X\n", __FILE__,__LINE__,
- info->device_name, cmd );
+ printk("%s(%d):mgslpc_ioctl %s cmd=%08X\n", __FILE__, __LINE__,
+ info->device_name, cmd);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_ioctl"))
return -ENODEV;
*
* Arguments:
*
- * tty pointer to tty structure
- * termios pointer to buffer to hold returned old termios
+ * tty pointer to tty structure
+ * termios pointer to buffer to hold returned old termios
*/
static void mgslpc_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
{
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgslpc_set_termios %s\n", __FILE__,__LINE__,
- tty->driver->name );
+ printk("%s(%d):mgslpc_set_termios %s\n", __FILE__, __LINE__,
+ tty->driver->name);
/* just return if nothing has changed */
if ((tty->termios.c_cflag == old_termios->c_cflag)
if (old_termios->c_cflag & CBAUD &&
!(tty->termios.c_cflag & CBAUD)) {
info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
- spin_lock_irqsave(&info->lock,flags);
- set_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
+ set_signals(info);
+ spin_unlock_irqrestore(&info->lock, flags);
}
/* Handle transition away from B0 status */
if (!(old_termios->c_cflag & CBAUD) &&
tty->termios.c_cflag & CBAUD) {
info->serial_signals |= SerialSignal_DTR;
- if (!(tty->termios.c_cflag & CRTSCTS) ||
- !test_bit(TTY_THROTTLED, &tty->flags)) {
+ if (!(tty->termios.c_cflag & CRTSCTS) ||
+ !test_bit(TTY_THROTTLED, &tty->flags)) {
info->serial_signals |= SerialSignal_RTS;
- }
- spin_lock_irqsave(&info->lock,flags);
- set_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ }
+ spin_lock_irqsave(&info->lock, flags);
+ set_signals(info);
+ spin_unlock_irqrestore(&info->lock, flags);
}
/* Handle turning off CRTSCTS */
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_close(%s) entry, count=%d\n",
- __FILE__,__LINE__, info->device_name, port->count);
+ __FILE__, __LINE__, info->device_name, port->count);
WARN_ON(!port->count);
if (tty_port_close_start(port, tty, filp) == 0)
goto cleanup;
- if (port->flags & ASYNC_INITIALIZED)
- mgslpc_wait_until_sent(tty, info->timeout);
+ if (port->flags & ASYNC_INITIALIZED)
+ mgslpc_wait_until_sent(tty, info->timeout);
mgslpc_flush_buffer(tty);
tty_port_tty_set(port, NULL);
cleanup:
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__,__LINE__,
+ printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__, __LINE__,
tty->driver->name, port->count);
}
MGSLPC_INFO * info = (MGSLPC_INFO *)tty->driver_data;
unsigned long orig_jiffies, char_time;
- if (!info )
+ if (!info)
return;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_wait_until_sent(%s) entry\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_wait_until_sent"))
return;
* Note: use tight timings here to satisfy the NIST-PCTS.
*/
- if ( info->params.data_rate ) {
- char_time = info->timeout/(32 * 5);
+ if (info->params.data_rate) {
+ char_time = info->timeout/(32 * 5);
if (!char_time)
char_time++;
} else
exit:
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_wait_until_sent(%s) exit\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
}
/* Called by tty_hangup() when a hangup is signaled.
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_hangup(%s)\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
if (mgslpc_paranoia_check(info, tty->name, "mgslpc_hangup"))
return;
MGSLPC_INFO *info = container_of(port, MGSLPC_INFO, port);
unsigned long flags;
- spin_lock_irqsave(&info->lock,flags);
- get_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
+ get_signals(info);
+ spin_unlock_irqrestore(&info->lock, flags);
if (info->serial_signals & SerialSignal_DCD)
return 1;
MGSLPC_INFO *info = container_of(port, MGSLPC_INFO, port);
unsigned long flags;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (onoff)
info->serial_signals |= SerialSignal_RTS | SerialSignal_DTR;
else
info->serial_signals &= ~(SerialSignal_RTS | SerialSignal_DTR);
set_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
}
{
MGSLPC_INFO *info;
struct tty_port *port;
- int retval, line;
- unsigned long flags;
+ int retval, line;
+ unsigned long flags;
/* verify range of specified line number */
line = tty->index;
if (line >= mgslpc_device_count) {
printk("%s(%d):mgslpc_open with invalid line #%d.\n",
- __FILE__,__LINE__,line);
+ __FILE__, __LINE__, line);
return -ENODEV;
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_open(%s), old ref count = %d\n",
- __FILE__,__LINE__,tty->driver->name, port->count);
+ __FILE__, __LINE__, tty->driver->name, port->count);
/* If port is closing, signal caller to try again */
if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING){
if (retval) {
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):block_til_ready(%s) returned %d\n",
- __FILE__,__LINE__, info->device_name, retval);
+ __FILE__, __LINE__, info->device_name, retval);
goto cleanup;
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgslpc_open(%s) success\n",
- __FILE__,__LINE__, info->device_name);
+ __FILE__, __LINE__, info->device_name);
retval = 0;
cleanup:
info->device_name, info->io_base, info->irq_level);
/* output current serial signal states */
- spin_lock_irqsave(&info->lock,flags);
- get_signals(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
+ get_signals(info);
+ spin_unlock_irqrestore(&info->lock, flags);
stat_buf[0] = 0;
stat_buf[1] = 0;
seq_printf(m, "synclink driver:%s\n", driver_version);
info = mgslpc_device_list;
- while( info ) {
+ while (info) {
line_info(m, info);
info = info->next_device;
}
static int claim_resources(MGSLPC_INFO *info)
{
- if (rx_alloc_buffers(info) < 0 ) {
- printk( "Can't allocate rx buffer %s\n", info->device_name);
+ if (rx_alloc_buffers(info) < 0) {
+ printk("Can't allocate rx buffer %s\n", info->device_name);
release_resources(info);
return -ENODEV;
}
*
* Arguments: info pointer to device instance data
*/
-static void mgslpc_add_device(MGSLPC_INFO *info)
+static int mgslpc_add_device(MGSLPC_INFO *info)
{
+ MGSLPC_INFO *current_dev = NULL;
+ struct device *tty_dev;
+ int ret;
+
info->next_device = NULL;
info->line = mgslpc_device_count;
sprintf(info->device_name,"ttySLP%d",info->line);
if (!mgslpc_device_list)
mgslpc_device_list = info;
else {
- MGSLPC_INFO *current_dev = mgslpc_device_list;
- while( current_dev->next_device )
+ current_dev = mgslpc_device_list;
+ while (current_dev->next_device)
current_dev = current_dev->next_device;
current_dev->next_device = info;
}
else if (info->max_frame_size > 65535)
info->max_frame_size = 65535;
- printk( "SyncLink PC Card %s:IO=%04X IRQ=%d\n",
+ printk("SyncLink PC Card %s:IO=%04X IRQ=%d\n",
info->device_name, info->io_base, info->irq_level);
#if SYNCLINK_GENERIC_HDLC
- hdlcdev_init(info);
+ ret = hdlcdev_init(info);
+ if (ret != 0)
+ goto failed;
#endif
- tty_port_register_device(&info->port, serial_driver, info->line,
+
+ tty_dev = tty_port_register_device(&info->port, serial_driver, info->line,
&info->p_dev->dev);
+ if (IS_ERR(tty_dev)) {
+ ret = PTR_ERR(tty_dev);
+#if SYNCLINK_GENERIC_HDLC
+ hdlcdev_exit(info);
+#endif
+ goto failed;
+ }
+
+ return 0;
+
+failed:
+ if (current_dev)
+ current_dev->next_device = NULL;
+ else
+ mgslpc_device_list = NULL;
+ mgslpc_device_count--;
+ return ret;
}
static void mgslpc_remove_device(MGSLPC_INFO *remove_info)
{
if (debug_level >= DEBUG_LEVEL_ISR)
printk("%s(%d):rx_stop(%s)\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
/* MODE:03 RAC Receiver Active, 0=inactive */
clear_reg_bits(info, CHA + MODE, BIT3);
{
if (debug_level >= DEBUG_LEVEL_ISR)
printk("%s(%d):rx_start(%s)\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
rx_reset_buffers(info);
info->rx_enabled = false;
{
if (debug_level >= DEBUG_LEVEL_ISR)
printk("%s(%d):tx_start(%s)\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
if (info->tx_count) {
/* If auto RTS enabled and RTS is inactive, then assert */
{
if (debug_level >= DEBUG_LEVEL_ISR)
printk("%s(%d):tx_stop(%s)\n",
- __FILE__,__LINE__, info->device_name );
+ __FILE__, __LINE__, info->device_name);
del_timer(&info->tx_timer);
if (debug_level >= DEBUG_LEVEL_BH)
printk("%s(%d):rx_get_frame(%s) status=%04X size=%d\n",
- __FILE__,__LINE__,info->device_name,status,framesize);
+ __FILE__, __LINE__, info->device_name, status, framesize);
if (debug_level >= DEBUG_LEVEL_DATA)
trace_block(info, buf->data, framesize, 0);
}
}
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
buf->status = buf->count = 0;
info->rx_frame_count--;
info->rx_get++;
if (info->rx_get >= info->rx_buf_count)
info->rx_get = 0;
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return true;
}
bool rc = true;
unsigned long flags;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
reset_device(info);
for (i = 0; i < count; i++) {
}
}
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return rc;
}
unsigned long end_time;
unsigned long flags;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
reset_device(info);
info->testing_irq = true;
write_reg(info, CHA + TIMR, 0); /* 512 cycles */
issue_command(info, CHA, CMD_START_TIMER);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
end_time=100;
while(end_time-- && !info->irq_occurred) {
info->testing_irq = false;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
reset_device(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return info->irq_occurred;
}
{
if (!register_test(info)) {
info->init_error = DiagStatus_AddressFailure;
- printk( "%s(%d):Register test failure for device %s Addr=%04X\n",
- __FILE__,__LINE__,info->device_name, (unsigned short)(info->io_base) );
+ printk("%s(%d):Register test failure for device %s Addr=%04X\n",
+ __FILE__, __LINE__, info->device_name, (unsigned short)(info->io_base));
return -ENODEV;
}
if (!irq_test(info)) {
info->init_error = DiagStatus_IrqFailure;
- printk( "%s(%d):Interrupt test failure for device %s IRQ=%d\n",
- __FILE__,__LINE__,info->device_name, (unsigned short)(info->irq_level) );
+ printk("%s(%d):Interrupt test failure for device %s IRQ=%d\n",
+ __FILE__, __LINE__, info->device_name, (unsigned short)(info->irq_level));
return -ENODEV;
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):device %s passed diagnostics\n",
- __FILE__,__LINE__,info->device_name);
+ __FILE__, __LINE__, info->device_name);
return 0;
}
int i;
int linecount;
if (xmit)
- printk("%s tx data:\n",info->device_name);
+ printk("%s tx data:\n", info->device_name);
else
- printk("%s rx data:\n",info->device_name);
+ printk("%s rx data:\n", info->device_name);
while(count) {
if (count > 16)
linecount = count;
for(i=0;i<linecount;i++)
- printk("%02X ",(unsigned char)data[i]);
+ printk("%02X ", (unsigned char)data[i]);
for(;i<17;i++)
printk(" ");
for(i=0;i<linecount;i++) {
if (data[i]>=040 && data[i]<=0176)
- printk("%c",data[i]);
+ printk("%c", data[i]);
else
printk(".");
}
MGSLPC_INFO *info = (MGSLPC_INFO*)context;
unsigned long flags;
- if ( debug_level >= DEBUG_LEVEL_INFO )
- printk( "%s(%d):tx_timeout(%s)\n",
- __FILE__,__LINE__,info->device_name);
- if(info->tx_active &&
- info->params.mode == MGSL_MODE_HDLC) {
+ if (debug_level >= DEBUG_LEVEL_INFO)
+ printk("%s(%d):tx_timeout(%s)\n",
+ __FILE__, __LINE__, info->device_name);
+ if (info->tx_active &&
+ info->params.mode == MGSL_MODE_HDLC) {
info->icount.txtimeout++;
}
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
info->tx_active = false;
info->tx_count = info->tx_put = info->tx_get = 0;
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
#if SYNCLINK_GENERIC_HDLC
if (info->netcount)
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk(KERN_INFO "%s:hdlc_xmit(%s)\n",__FILE__,dev->name);
+ printk(KERN_INFO "%s:hdlc_xmit(%s)\n", __FILE__, dev->name);
/* stop sending until this frame completes */
netif_stop_queue(dev);
dev->trans_start = jiffies;
/* start hardware transmitter if necessary */
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
if (!info->tx_active) {
struct tty_struct *tty = tty_port_tty_get(&info->port);
- tx_start(info, tty);
- tty_kref_put(tty);
+ tx_start(info, tty);
+ tty_kref_put(tty);
}
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
return NETDEV_TX_OK;
}
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s:hdlcdev_open(%s)\n",__FILE__,dev->name);
+ printk("%s:hdlcdev_open(%s)\n", __FILE__, dev->name);
/* generic HDLC layer open processing */
- if ((rc = hdlc_open(dev)))
+ rc = hdlc_open(dev);
+ if (rc != 0)
return rc;
/* arbitrate between network and tty opens */
tty = tty_port_tty_get(&info->port);
/* claim resources and init adapter */
- if ((rc = startup(info, tty)) != 0) {
+ rc = startup(info, tty);
+ if (rc != 0) {
tty_kref_put(tty);
spin_lock_irqsave(&info->netlock, flags);
info->netcount=0;
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s:hdlcdev_close(%s)\n",__FILE__,dev->name);
+ printk("%s:hdlcdev_close(%s)\n", __FILE__, dev->name);
netif_stop_queue(dev);
unsigned int flags;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
+ printk("%s:hdlcdev_ioctl(%s)\n", __FILE__, dev->name);
/* return error if TTY interface open */
if (info->port.count)
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("hdlcdev_tx_timeout(%s)\n",dev->name);
+ printk("hdlcdev_tx_timeout(%s)\n", dev->name);
dev->stats.tx_errors++;
dev->stats.tx_aborted_errors++;
- spin_lock_irqsave(&info->lock,flags);
+ spin_lock_irqsave(&info->lock, flags);
tx_stop(info);
- spin_unlock_irqrestore(&info->lock,flags);
+ spin_unlock_irqrestore(&info->lock, flags);
netif_wake_queue(dev);
}
struct net_device *dev = info->netdev;
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("hdlcdev_rx(%s)\n",dev->name);
+ printk("hdlcdev_rx(%s)\n", dev->name);
if (skb == NULL) {
printk(KERN_NOTICE "%s: can't alloc skb, dropping packet\n", dev->name);
/* allocate and initialize network and HDLC layer objects */
- if (!(dev = alloc_hdlcdev(info))) {
- printk(KERN_ERR "%s:hdlc device allocation failure\n",__FILE__);
+ dev = alloc_hdlcdev(info);
+ if (dev == NULL) {
+ printk(KERN_ERR "%s:hdlc device allocation failure\n", __FILE__);
return -ENOMEM;
}
hdlc->xmit = hdlcdev_xmit;
/* register objects with HDLC layer */
- if ((rc = register_hdlc_device(dev))) {
- printk(KERN_WARNING "%s:unable to register hdlc device\n",__FILE__);
+ rc = register_hdlc_device(dev);
+ if (rc) {
+ printk(KERN_WARNING "%s:unable to register hdlc device\n", __FILE__);
free_netdev(dev);
return rc;
}
projects / ~andy / linux / blobdiff