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path: root/drivers/staging/line6/dumprequest.c
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Diffstat (limited to 'drivers/staging/line6/dumprequest.c')
-rw-r--r--drivers/staging/line6/dumprequest.c60
1 files changed, 21 insertions, 39 deletions
diff --git a/drivers/staging/line6/dumprequest.c b/drivers/staging/line6/dumprequest.c
index cd468c3..60c7bae 100644
--- a/drivers/staging/line6/dumprequest.c
+++ b/drivers/staging/line6/dumprequest.c
@@ -1,7 +1,7 @@
/*
- * Line6 Linux USB driver - 0.8.0
+ * Line6 Linux USB driver - 0.9.1beta
*
- * Copyright (C) 2004-2009 Markus Grabner (grabner@icg.tugraz.at)
+ * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
@@ -9,13 +9,11 @@
*
*/
-#include "driver.h"
-
#include <linux/slab.h>
+#include "driver.h"
#include "dumprequest.h"
-
/*
Set "dump in progress" flag.
*/
@@ -39,17 +37,17 @@ void line6_invalidate_current(struct line6_dump_request *l6dr)
void line6_dump_finished(struct line6_dump_request *l6dr)
{
l6dr->in_progress = LINE6_DUMP_NONE;
- wake_up_interruptible(&l6dr->wait);
+ wake_up(&l6dr->wait);
}
/*
Send an asynchronous channel dump request.
*/
int line6_dump_request_async(struct line6_dump_request *l6dr,
- struct usb_line6 *line6, int num)
+ struct usb_line6 *line6, int num, int dest)
{
int ret;
- line6_invalidate_current(l6dr);
+ line6_dump_started(l6dr, dest);
ret = line6_send_raw_message_async(line6, l6dr->reqbufs[num].buffer,
l6dr->reqbufs[num].length);
@@ -60,43 +58,30 @@ int line6_dump_request_async(struct line6_dump_request *l6dr,
}
/*
- Send an asynchronous dump request after a given interval.
+ Wait for completion (interruptible).
*/
-void line6_startup_delayed(struct line6_dump_request *l6dr, int seconds,
- void (*function)(unsigned long), void *data)
+int line6_dump_wait_interruptible(struct line6_dump_request *l6dr)
{
- l6dr->timer.expires = jiffies + seconds * HZ;
- l6dr->timer.function = function;
- l6dr->timer.data = (unsigned long)data;
- add_timer(&l6dr->timer);
+ return wait_event_interruptible(l6dr->wait,
+ l6dr->in_progress == LINE6_DUMP_NONE);
}
/*
Wait for completion.
*/
-int line6_wait_dump(struct line6_dump_request *l6dr, int nonblock)
+void line6_dump_wait(struct line6_dump_request *l6dr)
{
- int retval = 0;
- DECLARE_WAITQUEUE(wait, current);
- add_wait_queue(&l6dr->wait, &wait);
- current->state = TASK_INTERRUPTIBLE;
-
- while (l6dr->in_progress) {
- if (nonblock) {
- retval = -EAGAIN;
- break;
- }
-
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- } else
- schedule();
- }
+ wait_event(l6dr->wait, l6dr->in_progress == LINE6_DUMP_NONE);
+}
- current->state = TASK_RUNNING;
- remove_wait_queue(&l6dr->wait, &wait);
- return retval;
+/*
+ Wait for completion (with timeout).
+*/
+int line6_dump_wait_timeout(struct line6_dump_request *l6dr, long timeout)
+{
+ return wait_event_timeout(l6dr->wait,
+ l6dr->in_progress == LINE6_DUMP_NONE,
+ timeout);
}
/*
@@ -123,7 +108,6 @@ int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf,
if (ret < 0)
return ret;
init_waitqueue_head(&l6dr->wait);
- init_timer(&l6dr->timer);
return 0;
}
@@ -148,6 +132,4 @@ void line6_dumpreq_destruct(struct line6_dump_request *l6dr)
if (l6dr->reqbufs[0].buffer == NULL)
return;
line6_dumpreq_destructbuf(l6dr, 0);
- l6dr->ok = 1;
- del_timer_sync(&l6dr->timer);
}
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