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authorTejun Heo <tj@kernel.org>2011-05-24 09:59:36 +0200
committerTejun Heo <tj@kernel.org>2011-05-24 09:59:36 +0200
commit6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch)
treec9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /drivers/input/touchscreen/tsc2005.c
parent0415b00d175e0d8945e6785aad21b5f157976ce0 (diff)
parent6ea0c34dac89611126455537552cffe6c7e832ad (diff)
downloadblackbird-obmc-linux-6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0.tar.gz
blackbird-obmc-linux-6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0.zip
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'drivers/input/touchscreen/tsc2005.c')
-rw-r--r--drivers/input/touchscreen/tsc2005.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c
index 87420616efa4..cbf0ff322676 100644
--- a/drivers/input/touchscreen/tsc2005.c
+++ b/drivers/input/touchscreen/tsc2005.c
@@ -358,7 +358,7 @@ static void __tsc2005_enable(struct tsc2005 *ts)
if (ts->esd_timeout && ts->set_reset) {
ts->last_valid_interrupt = jiffies;
schedule_delayed_work(&ts->esd_work,
- round_jiffies(jiffies +
+ round_jiffies_relative(
msecs_to_jiffies(ts->esd_timeout)));
}
@@ -477,7 +477,14 @@ static void tsc2005_esd_work(struct work_struct *work)
int error;
u16 r;
- mutex_lock(&ts->mutex);
+ if (!mutex_trylock(&ts->mutex)) {
+ /*
+ * If the mutex is taken, it means that disable or enable is in
+ * progress. In that case just reschedule the work. If the work
+ * is not needed, it will be canceled by disable.
+ */
+ goto reschedule;
+ }
if (time_is_after_jiffies(ts->last_valid_interrupt +
msecs_to_jiffies(ts->esd_timeout)))
@@ -510,11 +517,12 @@ static void tsc2005_esd_work(struct work_struct *work)
tsc2005_start_scan(ts);
out:
+ mutex_unlock(&ts->mutex);
+reschedule:
/* re-arm the watchdog */
schedule_delayed_work(&ts->esd_work,
- round_jiffies(jiffies +
+ round_jiffies_relative(
msecs_to_jiffies(ts->esd_timeout)));
- mutex_unlock(&ts->mutex);
}
static int tsc2005_open(struct input_dev *input)
@@ -663,7 +671,7 @@ static int __devinit tsc2005_probe(struct spi_device *spi)
goto err_remove_sysfs;
}
- set_irq_wake(spi->irq, 1);
+ irq_set_irq_wake(spi->irq, 1);
return 0;
err_remove_sysfs:
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