iio: humidity: hts221: Use dev_get_platdata() to get platform_data

Use dev_get_platdata() to get the platform_data instead of
referencing it directly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/humidity/hts221_buffer.c b/drivers/iio/humidity/hts221_buffer.c
index 81d50a861c22397a2f9d5f90769b5f21b61ba884..5f142a44c1dd3828f849656eecfdd21836444bc0 100644 (file)
--- a/drivers/iio/humidity/hts221_buffer.c
+++ b/drivers/iio/humidity/hts221_buffer.c
@@ -74,10 +74,10 @@ static irqreturn_t hts221_trigger_handler_thread(int irq, void *private)
 
 int hts221_allocate_trigger(struct hts221_hw *hw)
 {
+       struct st_sensors_platform_data *pdata = dev_get_platdata(hw->dev);
        struct iio_dev *iio_dev = iio_priv_to_dev(hw);
        bool irq_active_low = false, open_drain = false;
        struct device_node *np = hw->dev->of_node;
-       struct st_sensors_platform_data *pdata;
        unsigned long irq_type;
        int err;
 
@@ -106,7 +106,6 @@ int hts221_allocate_trigger(struct hts221_hw *hw)
        if (err < 0)
                return err;
 
-       pdata = (struct st_sensors_platform_data *)hw->dev->platform_data;
        if ((np && of_property_read_bool(np, "drive-open-drain")) ||
            (pdata && pdata->open_drain)) {
                irq_type |= IRQF_SHARED;