Merge tag 'staging-4.15-rc1' into v4l_for_linus

There are some conflicts between staging and media trees,
as reported by Stephen Rothwell <sfr@canb.auug.org.au>.

So, merge from staging.

* tag 'staging-4.15-rc1': (775 commits)
  staging: lustre: add SPDX identifiers to all lustre files
  staging: greybus: Remove redundant license text
  staging: greybus: add SPDX identifiers to all greybus driver files
  staging: ccree: simplify ioread/iowrite
  staging: ccree: simplify registers access
  staging: ccree: simplify error handling logic
  staging: ccree: remove dead code
  staging: ccree: handle limiting of DMA masks
  staging: ccree: copy IV to DMAable memory
  staging: fbtft: remove redundant initialization of buf
  staging: sm750fb: Fix parameter mistake in poke32
  staging: wilc1000: Fix bssid buffer offset in Txq
  staging: fbtft: fb_ssd1331: fix mirrored display
  staging: android: Fix checkpatch.pl error
  staging: greybus: loopback: convert loopback to use generic async operations
  staging: greybus: operation: add private data with get/set accessors
  staging: greybus: loopback: Fix iteration count on async path
  staging: greybus: loopback: Hold per-connection mutex across operations
  staging: greybus/loopback: use ktime_get() for time intervals
  staging: fsl-dpaa2/eth: Extra headroom in RX buffers
  ...

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index 0e4b379ada45..cfb6588565ba 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -179,6 +179,10 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state)
 	int ret;
 
 	atomic_set(&st->user_requested_state, state);
+
+	if (atomic_add_unless(&st->runtime_pm_enable, 1, 1))
+		pm_runtime_enable(&st->pdev->dev);
+
 	if (state)
 		ret = pm_runtime_get_sync(&st->pdev->dev);
 	else {
@@ -221,7 +225,8 @@ static void hid_sensor_set_power_work(struct work_struct *work)
 	if (attrb->latency_ms > 0)
 		hid_sensor_set_report_latency(attrb, attrb->latency_ms);
 
-	_hid_sensor_power_state(attrb, true);
+	if (atomic_read(&attrb->user_requested_state))
+		_hid_sensor_power_state(attrb, true);
 }
 
 static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig,
@@ -232,7 +237,9 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig,
 
 void hid_sensor_remove_trigger(struct hid_sensor_common *attrb)
 {
-	pm_runtime_disable(&attrb->pdev->dev);
+	if (atomic_read(&attrb->runtime_pm_enable))
+		pm_runtime_disable(&attrb->pdev->dev);
+
 	pm_runtime_set_suspended(&attrb->pdev->dev);
 	pm_runtime_put_noidle(&attrb->pdev->dev);
 
@@ -243,7 +250,6 @@ void hid_sensor_remove_trigger(struct hid_sensor_common *attrb)
 EXPORT_SYMBOL(hid_sensor_remove_trigger);
 
 static const struct iio_trigger_ops hid_sensor_trigger_ops = {
-	.owner = THIS_MODULE,
 	.set_trigger_state = &hid_sensor_data_rdy_trigger_set_state,
 };
 
@@ -283,7 +289,6 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name,
 	INIT_WORK(&attrb->work, hid_sensor_set_power_work);
 
 	pm_suspend_ignore_children(&attrb->pdev->dev, true);
-	pm_runtime_enable(&attrb->pdev->dev);
 	/* Default to 3 seconds, but can be changed from sysfs */
 	pm_runtime_set_autosuspend_delay(&attrb->pdev->dev,
 					 3000);