struct tty_driver *serial_driver;
-/* serial subtype definitions */
-#ifndef SERIAL_TYPE_NORMAL
-#define SERIAL_TYPE_NORMAL 1
-#endif
-
/* number of characters left in xmit buffer before we ask for more */
#define WAKEUP_CHARS 256
unsigned int set, unsigned int clear)
{
struct e100_serial *info = (struct e100_serial *)tty->driver_data;
+ unsigned long flags;
+
+ local_irq_save(flags);
if (clear & TIOCM_RTS)
e100_rts(info, 0);
e100_ri_out(info, 1);
if (set & TIOCM_CD)
e100_cd_out(info, 1);
+
+ local_irq_restore(flags);
return 0;
}
{
struct e100_serial *info = (struct e100_serial *)tty->driver_data;
unsigned int result;
+ unsigned long flags;
+
+ local_irq_save(flags);
result =
(!E100_RTS_GET(info) ? TIOCM_RTS : 0)
| (!E100_CD_GET(info) ? TIOCM_CAR : 0)
| (!E100_CTS_GET(info) ? TIOCM_CTS : 0);
+ local_irq_restore(flags);
+
#ifdef SERIAL_DEBUG_IO
printk(KERN_DEBUG "ser%i: modem state: %i 0x%08X\n",
info->line, result, result);
{
struct e100_serial *info = (struct e100_serial *)tty->driver_data;
- if (tty->termios->c_cflag == old_termios->c_cflag &&
- tty->termios->c_iflag == old_termios->c_iflag)
- return;
-
change_speed(info);
/* Handle turning off CRTSCTS */
#endif
shutdown(info);
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
- if (tty->ldisc.flush_buffer)
- tty->ldisc.flush_buffer(tty);
+ rs_flush_buffer(tty);
+ tty_ldisc_flush_buffer(tty);
tty->closing = 0;
info->event = 0;
info->tty = 0;
* Check R_DMA_CHx_STATUS bit 0-6=number of available bytes in FIFO
* R_DMA_CHx_HWSW bit 31-16=nbr of bytes left in DMA buffer (0=64k)
*/
+ lock_kernel();
orig_jiffies = jiffies;
while (info->xmit.head != info->xmit.tail || /* More in send queue */
(*info->ostatusadr & 0x007f) || /* more in FIFO */
curr_time_usec - info->last_tx_active_usec;
}
set_current_state(TASK_RUNNING);
+ unlock_kernel();
}
/*