[PATCH] Input: tsc2004/5 - do not use irq_set_irq_wake() directly

[Dmitry Torokhov]

Instead of setting irq_set_irq_wake() directly in probe(), mark the device
as wakeup-capable, and use enable_irq_wake() and disable_irq_wake() in
suspend/resume path.

Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com>
---
 drivers/input/touchscreen/tsc200x-core.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/tsc200x-core.c 
b/drivers/input/touchscreen/tsc200x-core.c
index 88ea5e1b72ae..d1c40c803d61 100644
--- a/drivers/input/touchscreen/tsc200x-core.c
+++ b/drivers/input/touchscreen/tsc200x-core.c
@@ -114,7 +114,9 @@ struct tsc200x {
 
        struct gpio_desc        *reset_gpio;
        int                     (*tsc200x_cmd)(struct device *dev, u8 cmd);
+
        int                     irq;
+       bool                    wake_irq_enabled;
 };
 
 static void tsc200x_update_pen_state(struct tsc200x *ts,
@@ -573,7 +575,8 @@ int tsc200x_probe(struct device *dev, int irq, const struct 
input_id *tsc_id,
                goto err_remove_sysfs;
        }
 
-       irq_set_irq_wake(irq, 1);
+       device_init_wakeup(dev, true);
+
        return 0;
 
 err_remove_sysfs:
@@ -607,6 +610,9 @@ static int __maybe_unused tsc200x_suspend(struct device 
*dev)
 
        ts->suspended = true;
 
+       if (device_may_wakeup(dev))
+               ts->wake_irq_enabled = enable_irq_wake(ts->irq) == 0;
+
        mutex_unlock(&ts->mutex);
 
        return 0;
@@ -618,6 +624,11 @@ static int __maybe_unused tsc200x_resume(struct device 
*dev)
 
        mutex_lock(&ts->mutex);
 
+       if (ts->wake_irq_enabled) {
+               disable_irq_wake(ts->irq);
+               ts->wake_irq_enabled = false;
+       }
+
        if (ts->suspended && ts->opened)
                __tsc200x_enable(ts);
 
-- 
2.11.0.483.g087da7b7c-goog


-- 
Dmitry