The interrupt source can come from multiple sources,
fifo and wake interrupts.
Enter interrupt thread to check which interrupt that has fired.
Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
---
Changes since v1:
* None
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index fc450eeb9870..0503abab6efc 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -1215,19 +1215,19 @@ int st_lsm6dsx_event_setup(int id, struct st_lsm6dsx_hw *hw)
static irqreturn_t st_lsm6dsx_handler_irq(int irq, void *private)
{
- struct st_lsm6dsx_hw *hw = private;
-
- return hw->sip > 0 ? IRQ_WAKE_THREAD : IRQ_NONE;
+ return IRQ_WAKE_THREAD;
}
static irqreturn_t st_lsm6dsx_handler_thread(int irq, void *private)
{
struct st_lsm6dsx_hw *hw = private;
- int count;
+ int count = 0;
- mutex_lock(&hw->fifo_lock);
- count = st_lsm6dsx_read_fifo(hw);
- mutex_unlock(&hw->fifo_lock);
+ if (hw->sip > 0) {
+ mutex_lock(&hw->fifo_lock);
+ count = st_lsm6dsx_read_fifo(hw);
+ mutex_unlock(&hw->fifo_lock);
+ }
return !count ? IRQ_NONE : IRQ_HANDLED;
}
--
2.22.0
