1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index 405d9a8d7b6d..cdb4fc4ef820 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -136,7 +136,6 @@ struct ad7192_state {
         struct spi_device               *spi;
         struct iio_trigger              *trig;
         struct regulator                *reg;
-        struct ad7192_platform_data     *pdata;
         wait_queue_head_t               wq_data_avail;
         bool                            done;
         bool                            irq_dis;
@@ -347,10 +346,10 @@ out:
         return ret;
 }
 
-static int ad7192_setup(struct ad7192_state *st)
+static int ad7192_setup(struct ad7192_state *st,
+        const struct ad7192_platform_data *pdata)
 {
         struct iio_dev *indio_dev = spi_get_drvdata(st->spi);
-        struct ad7192_platform_data *pdata = st->pdata;
         unsigned long long scale_uv;
         int i, ret, id;
         u8 ones[6];
@@ -985,7 +984,7 @@ static const struct iio_chan_spec ad7192_channels[] = {
 
 static int __devinit ad7192_probe(struct spi_device *spi)
 {
-        struct ad7192_platform_data *pdata = spi->dev.platform_data;
+        const struct ad7192_platform_data *pdata = spi->dev.platform_data;
         struct ad7192_state *st;
         struct iio_dev *indio_dev;
         int ret , voltage_uv = 0;
@@ -1015,8 +1014,6 @@ static int __devinit ad7192_probe(struct spi_device *spi)
                 voltage_uv = regulator_get_voltage(st->reg);
         }
 
-        st->pdata = pdata;
-
         if (pdata && pdata->vref_mv)
                 st->int_vref_mv = pdata->vref_mv;
         else if (voltage_uv)
@@ -1047,7 +1044,7 @@ static int __devinit ad7192_probe(struct spi_device *spi)
         if (ret)
                 goto error_ring_cleanup;
 
-        ret = ad7192_setup(st);
+        ret = ad7192_setup(st, pdata);
         if (ret)
                 goto error_remove_trigger;