> 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) {
I think we do not need this if() statement since st_lsm6dsx_read_fifo will
return 0 in case
> + 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
>
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