Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: tsc2005 - fix locking issue
Input: tsc2005 - use relative jiffies to schedule the watchdog
Input: tsc2005 - driver should depend on GENERIC_HARDIRQS
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 112ec55..434fd80 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -641,7 +641,7 @@
config TOUCHSCREEN_TSC2005
tristate "TSC2005 based touchscreens"
- depends on SPI_MASTER
+ depends on SPI_MASTER && GENERIC_HARDIRQS
help
Say Y here if you have a TSC2005 based touchscreen.
diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c
index 8742061..cbf0ff3 100644
--- a/drivers/input/touchscreen/tsc2005.c
+++ b/drivers/input/touchscreen/tsc2005.c
@@ -358,7 +358,7 @@
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 @@
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 @@
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 @@
goto err_remove_sysfs;
}
- set_irq_wake(spi->irq, 1);
+ irq_set_irq_wake(spi->irq, 1);
return 0;
err_remove_sysfs: