* is shared with DSRS(DTE) at pin 23.
*/
-#include <linux/config.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/sched.h>
#define RS_STROBE_TIME 10
#define RS_ISR_PASS_LIMIT 256
-#define _INLINE_ inline
-
static void probe_sccs(void);
static void change_speed(struct dec_serial *info);
static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
* This routine is used by the interrupt handler to schedule
* processing in the software interrupt portion of the driver.
*/
-static _INLINE_ void rs_sched_event(struct dec_serial *info, int event)
+static void rs_sched_event(struct dec_serial *info, int event)
{
info->event |= 1 << event;
tasklet_schedule(&info->tlet);
}
-static _INLINE_ void receive_chars(struct dec_serial *info,
- struct pt_regs *regs)
+static void receive_chars(struct dec_serial *info)
{
struct tty_struct *tty = info->tty;
unsigned char ch, stat, flag;
if (ch == 0)
continue;
if (time_before(jiffies, break_pressed + HZ * 5)) {
- handle_sysrq(ch, regs, NULL);
+ handle_sysrq(ch, NULL);
break_pressed = 0;
continue;
}
rs_sched_event(info, RS_EVENT_WRITE_WAKEUP);
}
-static _INLINE_ void status_handle(struct dec_serial *info)
+static void status_handle(struct dec_serial *info)
{
unsigned char stat;
/*
* This is the serial driver's generic interrupt routine
*/
-static irqreturn_t rs_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t rs_interrupt(int irq, void *dev_id)
{
struct dec_serial *info = (struct dec_serial *) dev_id;
irqreturn_t status = IRQ_NONE;
status = IRQ_HANDLED;
if (zs_intreg & CHBRxIP) {
- receive_chars(info, regs);
+ receive_chars(info);
}
if (zs_intreg & CHBTxIP) {
transmit_chars(info);
if (!tty)
return;
- if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event)) {
+ if (test_and_clear_bit(RS_EVENT_WRITE_WAKEUP, &info->event))
tty_wakeup(tty);
- wake_up_interruptible(&tty->write_wait);
- }
}
static int zs_startup(struct dec_serial * info)
return 0;
}
-static void rs_set_termios(struct tty_struct *tty, struct termios *old_termios)
+static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
{
struct dec_serial *info = (struct dec_serial *)tty->driver_data;
int was_stopped;
spin_unlock_irqrestore(&zs_lock, flags);
}
-static struct tty_operations serial_ops = {
+static const struct tty_operations serial_ops = {
.open = rs_open,
.close = rs_close,
.write = rs_write,
/* Not all of this is exactly right for us. */
serial_driver->owner = THIS_MODULE;
- serial_driver->devfs_name = "tts/";
serial_driver->name = "ttyS";
serial_driver->major = TTY_MAJOR;
serial_driver->minor_start = 64;
serial_driver->init_termios = tty_std_termios;
serial_driver->init_termios.c_cflag =
B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+ serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
tty_set_operations(serial_driver, &serial_ops);
if (tty_register_driver(serial_driver))
zs_soft[channel].clk_divisor = 16;
zs_soft[channel].zs_baud = get_zsbaud(&zs_soft[channel]);
- if (request_irq(zs_soft[channel].irq, rs_interrupt, SA_SHIRQ,
+ if (request_irq(zs_soft[channel].irq, rs_interrupt, IRQF_SHARED,
"scc", &zs_soft[channel]))
printk(KERN_ERR "decserial: can't get irq %d\n",
zs_soft[channel].irq);