ACPI: thinkpad-acpi: checkpoint sysfs interface version due to hotkey
[powerpc.git] / drivers / char / n_r3964.c
index fab1b7d..6b918b8 100644 (file)
@@ -1005,9 +1005,7 @@ static int r3964_open(struct tty_struct *tty)
        tty->disc_data = pInfo;
        tty->receive_room = 65536;
 
-       init_timer(&pInfo->tmr);
-       pInfo->tmr.data = (unsigned long)pInfo;
-       pInfo->tmr.function = on_timeout;
+       setup_timer(&pInfo->tmr, on_timeout, (unsigned long)pInfo);
 
        return 0;
 }
@@ -1073,8 +1071,6 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file,
        struct r3964_client_info *pClient;
        struct r3964_message *pMsg;
        struct r3964_client_message theMsg;
-       DECLARE_WAITQUEUE(wait, current);
-
        int count;
 
        TRACE_L("read()");
@@ -1088,16 +1084,8 @@ static ssize_t r3964_read(struct tty_struct *tty, struct file *file,
                                return -EAGAIN;
                        }
                        /* block until there is a message: */
-                       add_wait_queue(&pInfo->read_wait, &wait);
-repeat:
-                       current->state = TASK_INTERRUPTIBLE;
-                       pMsg = remove_msg(pInfo, pClient);
-                       if (!pMsg && !signal_pending(current)) {
-                               schedule();
-                               goto repeat;
-                       }
-                       current->state = TASK_RUNNING;
-                       remove_wait_queue(&pInfo->read_wait, &wait);
+                       wait_event_interruptible(pInfo->read_wait,
+                                       (pMsg = remove_msg(pInfo, pClient)));
                }
 
                /* If we still haven't got a message, we must have been signalled */