iio: imu: st_lsm6dsx: rely on st_lsm6dsx_update_bits_locked configuring events

Rely on st_lsm6dsx_update_bits_locked in st_lsm6dsx_write_event and
st_lsm6dsx_event_setup routines since they can run concurrently with
sensor hub configuration

Fixes: b5969abfa8b8 ("iio: imu: st_lsm6dsx: add motion events")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index e697436d27a1d1dd9c918e6c45f90685dc2ff018..a6d5a9ea7806f719499c5f999a09da1d03c95147 100644 (file)
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -1498,6 +1498,7 @@ static int st_lsm6dsx_write_raw(struct iio_dev *iio_dev,
 static int st_lsm6dsx_event_setup(struct st_lsm6dsx_hw *hw, int state)
 {
        const struct st_lsm6dsx_reg *reg;
+       unsigned int data;
        int err;
 
        if (!hw->settings->irq_config.irq1_func.addr)
@@ -1505,17 +1506,17 @@ static int st_lsm6dsx_event_setup(struct st_lsm6dsx_hw *hw, int state)
 
        reg = &hw->settings->event_settings.enable_reg;
        if (reg->addr) {
-               err = regmap_update_bits(hw->regmap, reg->addr, reg->mask,
-                                        ST_LSM6DSX_SHIFT_VAL(state, reg->mask));
+               data = ST_LSM6DSX_SHIFT_VAL(state, reg->mask);
+               err = st_lsm6dsx_update_bits_locked(hw, reg->addr,
+                                                   reg->mask, data);
                if (err < 0)
                        return err;
        }
 
        /* Enable wakeup interrupt */
-       return regmap_update_bits(hw->regmap, hw->irq_routing->addr,
-                                 hw->irq_routing->mask,
-                                 ST_LSM6DSX_SHIFT_VAL(state,
-                                       hw->irq_routing->mask));
+       data = ST_LSM6DSX_SHIFT_VAL(state, hw->irq_routing->mask);
+       return st_lsm6dsx_update_bits_locked(hw, hw->irq_routing->addr,
+                                            hw->irq_routing->mask, data);
 }
 
 static int st_lsm6dsx_read_event(struct iio_dev *iio_dev,
@@ -1546,6 +1547,8 @@ static int st_lsm6dsx_write_event(struct iio_dev *iio_dev,
 {
        struct st_lsm6dsx_sensor *sensor = iio_priv(iio_dev);
        struct st_lsm6dsx_hw *hw = sensor->hw;
+       const struct st_lsm6dsx_reg *reg;
+       unsigned int data;
        int err;
 
        if (type != IIO_EV_TYPE_THRESH)
@@ -1554,11 +1557,11 @@ static int st_lsm6dsx_write_event(struct iio_dev *iio_dev,
        if (val < 0 || val > 31)
                return -EINVAL;
 
-       err = regmap_update_bits(hw->regmap,
-                                hw->settings->event_settings.wakeup_reg.addr,
-                                hw->settings->event_settings.wakeup_reg.mask,
-                                val);
-       if (err)
+       reg = &hw->settings->event_settings.wakeup_reg;
+       data = ST_LSM6DSX_SHIFT_VAL(val, reg->mask);
+       err = st_lsm6dsx_update_bits_locked(hw, reg->addr,
+                                           reg->mask, data);
+       if (err < 0)
                return -EINVAL;
 
        hw->event_threshold = val;