Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[pandora-kernel.git] / drivers / input / touchscreen / tsc2005.c
index 8742061..cbf0ff3 100644 (file)
@@ -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: