ACPI: fix acpi_driver.name usage
[safe/jmp/linux-2.6] / drivers / char / hvsi.c
index 9101784..d780683 100644 (file)
@@ -69,7 +69,7 @@
 #define __ALIGNED__    __attribute__((__aligned__(sizeof(long))))
 
 struct hvsi_struct {
-       struct work_struct writer;
+       struct delayed_work writer;
        struct work_struct handshaker;
        wait_queue_head_t emptyq; /* woken when outbuf is emptied */
        wait_queue_head_t stateq; /* woken when HVSI state changes */
@@ -311,7 +311,8 @@ static void hvsi_recv_control(struct hvsi_struct *hp, uint8_t *packet,
                                /* CD went away; no more connection */
                                pr_debug("hvsi%i: CD dropped\n", hp->index);
                                hp->mctrl &= TIOCM_CD;
-                               if (!(hp->tty->flags & CLOCAL))
+                               /* If userland hasn't done an open(2) yet, hp->tty is NULL. */
+                               if (hp->tty && !(hp->tty->flags & CLOCAL))
                                        *to_hangup = hp->tty;
                        }
                        break;
@@ -405,7 +406,7 @@ static void hvsi_insert_chars(struct hvsi_struct *hp, const char *buf, int len)
                        hp->sysrq = 1;
                        continue;
                } else if (hp->sysrq) {
-                       handle_sysrq(c, NULL, hp->tty);
+                       handle_sysrq(c, hp->tty);
                        hp->sysrq = 0;
                        continue;
                }
@@ -554,7 +555,7 @@ static void hvsi_send_overflow(struct hvsi_struct *hp)
  * must get all pending data because we only get an irq on empty->non-empty
  * transition
  */
-static irqreturn_t hvsi_interrupt(int irq, void *arg, struct pt_regs *regs)
+static irqreturn_t hvsi_interrupt(int irq, void *arg)
 {
        struct hvsi_struct *hp = (struct hvsi_struct *)arg;
        struct tty_struct *flip;
@@ -615,7 +616,7 @@ static int __init poll_for_state(struct hvsi_struct *hp, int state)
        unsigned long end_jiffies = jiffies + HVSI_TIMEOUT;
 
        for (;;) {
-               hvsi_interrupt(hp->virq, (void *)hp, NULL); /* get pending data */
+               hvsi_interrupt(hp->virq, (void *)hp); /* get pending data */
 
                if (hp->state == state)
                        return 0;
@@ -743,9 +744,10 @@ static int hvsi_handshake(struct hvsi_struct *hp)
        return 0;
 }
 
-static void hvsi_handshaker(void *arg)
+static void hvsi_handshaker(struct work_struct *work)
 {
-       struct hvsi_struct *hp = (struct hvsi_struct *)arg;
+       struct hvsi_struct *hp =
+               container_of(work, struct hvsi_struct, handshaker);
 
        if (hvsi_handshake(hp) >= 0)
                return;
@@ -950,9 +952,10 @@ static void hvsi_push(struct hvsi_struct *hp)
 }
 
 /* hvsi_write_worker will keep rescheduling itself until outbuf is empty */
-static void hvsi_write_worker(void *arg)
+static void hvsi_write_worker(struct work_struct *work)
 {
-       struct hvsi_struct *hp = (struct hvsi_struct *)arg;
+       struct hvsi_struct *hp =
+               container_of(work, struct hvsi_struct, writer.work);
        unsigned long flags;
 #ifdef DEBUG
        static long start_j = 0;
@@ -986,10 +989,7 @@ static void hvsi_write_worker(void *arg)
                start_j = 0;
 #endif /* DEBUG */
                wake_up_all(&hp->emptyq);
-               if (test_bit(TTY_DO_WRITE_WAKEUP, &hp->tty->flags)
-                               && hp->tty->ldisc.write_wakeup)
-                       hp->tty->ldisc.write_wakeup(hp->tty);
-               wake_up_interruptible(&hp->tty->write_wait);
+               tty_wakeup(hp->tty);
        }
 
 out:
@@ -1132,7 +1132,7 @@ static int hvsi_tiocmset(struct tty_struct *tty, struct file *file,
 }
 
 
-static struct tty_operations hvsi_ops = {
+static const struct tty_operations hvsi_ops = {
        .open = hvsi_open,
        .close = hvsi_close,
        .write = hvsi_write,
@@ -1161,6 +1161,8 @@ static int __init hvsi_init(void)
        hvsi_driver->type = TTY_DRIVER_TYPE_SYSTEM;
        hvsi_driver->init_termios = tty_std_termios;
        hvsi_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL;
+       hvsi_driver->init_termios.c_ispeed = 9600;
+       hvsi_driver->init_termios.c_ospeed = 9600;
        hvsi_driver->flags = TTY_DRIVER_REAL_RAW;
        tty_set_operations(hvsi_driver, &hvsi_ops);
 
@@ -1289,8 +1291,8 @@ static int __init hvsi_console_init(void)
                }
 
                hp = &hvsi_ports[hvsi_count];
-               INIT_WORK(&hp->writer, hvsi_write_worker, hp);
-               INIT_WORK(&hp->handshaker, hvsi_handshaker, hp);
+               INIT_DELAYED_WORK(&hp->writer, hvsi_write_worker);
+               INIT_WORK(&hp->handshaker, hvsi_handshaker);
                init_waitqueue_head(&hp->emptyq);
                init_waitqueue_head(&hp->stateq);
                spin_lock_init(&hp->lock);