[lkml]   [2012]   [Dec]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
Patch in this message
Subject[PATCH 17/25] wm97xx: don't use [delayed_]work_pending()
There's no need to test whether a (delayed) work item in pending
before queueing, flushing or cancelling it. Most uses are unnecessary
and quite a few of them are buggy.

Remove unnecessary pending tests from wm97xx. Instead of testing
work_pending(), use the return value of queue_work() to decide whether
to disable IRQ or not.

Only compile tested.

Signed-off-by: Tejun Heo <>
Cc: Mark Brown <>
Cc: Liam Girdwood <>
Cc: Dmitry Torokhov <>
Please let me know how this patch should be routed. I can take it
through the workqueue tree if necessary.


drivers/input/touchscreen/wm97xx-core.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index 5dbe73a..fd16c63 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -363,10 +363,8 @@ static irqreturn_t wm97xx_pen_interrupt(int irq, void *dev_id)
struct wm97xx *wm = dev_id;

- if (!work_pending(&wm->pen_event_work)) {
+ if (queue_work(wm->ts_workq, &wm->pen_event_work))
wm->mach_ops->irq_enable(wm, 0);
- queue_work(wm->ts_workq, &wm->pen_event_work);
- }


 \ /
  Last update: 2012-12-22 04:21    [W:0.368 / U:1.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site