iio: adc: qcom-spmi-adc5: use of_device_get_match_data

Use of_device_get_match_data() instead of hand-coding it manually.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20201204025509.1075506-7-dmitry.baryshkov@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/qcom-spmi-adc5.c b/drivers/iio/adc/qcom-spmi-adc5.c
index b10a0fc..87438d1 100644 (file)
--- a/drivers/iio/adc/qcom-spmi-adc5.c
+++ b/drivers/iio/adc/qcom-spmi-adc5.c
@@ -15,6 +15,7 @@
 #include <linux/math64.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
@@ -807,8 +808,6 @@ static int adc5_get_dt_data(struct adc5_chip *adc, struct device_node *node)
        struct adc5_channel_prop prop, *chan_props;
        struct device_node *child;
        unsigned int index = 0;
-       const struct of_device_id *id;
-       const struct adc5_data *data;
        int ret;
 
        adc->nchannels = of_get_available_child_count(node);
@@ -827,24 +826,21 @@ static int adc5_get_dt_data(struct adc5_chip *adc, struct device_node *node)
 
        chan_props = adc->chan_props;
        iio_chan = adc->iio_chans;
-       id = of_match_node(adc5_match_table, node);
-       if (id)
-               data = id->data;
-       else
-               data = &adc5_data_pmic;
-       adc->data = data;
+       adc->data = of_device_get_match_data(adc->dev);
+       if (!adc->data)
+               adc->data = &adc5_data_pmic;
 
        for_each_available_child_of_node(node, child) {
-               ret = adc5_get_dt_channel_data(adc, &prop, child, data);
+               ret = adc5_get_dt_channel_data(adc, &prop, child, adc->data);
                if (ret) {
                        of_node_put(child);
                        return ret;
                }
 
                prop.scale_fn_type =
-                       data->adc_chans[prop.channel].scale_fn_type;
+                       adc->data->adc_chans[prop.channel].scale_fn_type;
                *chan_props = prop;
-               adc_chan = &data->adc_chans[prop.channel];
+               adc_chan = &adc->data->adc_chans[prop.channel];
 
                iio_chan->channel = prop.channel;
                iio_chan->datasheet_name = prop.datasheet_name;