iio:potentiometer:max5432: Drop of_match_ptr and use generic fw accessors

These prevent use of this driver with ACPI via PRP0001 and are
an example of an anti pattern I'm trying to remove from IIO.
Drop them to remove this restriction.

Also switch headers to reflect this change.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20200910173242.621168-4-jic23@kernel.org

diff --git a/drivers/iio/potentiometer/max5432.c b/drivers/iio/potentiometer/max5432.c
index 280de9c54471bcc1a68cba4a1a85ef3f3ecea838..aed3b6ab82a21f9d2e247bd35d57acba669be96a 100644 (file)
--- a/drivers/iio/potentiometer/max5432.c
+++ b/drivers/iio/potentiometer/max5432.c
@@ -11,8 +11,8 @@
 #include <linux/iio/iio.h>
 #include <linux/limits.h>
 #include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/property.h>
 
 /* All chip variants have 32 wiper positions. */
 #define MAX5432_MAX_POS 31
@@ -100,7 +100,7 @@ static int max5432_probe(struct i2c_client *client,
 
        data = iio_priv(indio_dev);
        data->client = client;
-       data->ohm = (unsigned long)of_device_get_match_data(dev);
+       data->ohm = (unsigned long)device_get_match_data(dev);
 
        indio_dev->info = &max5432_info;
        indio_dev->channels = max5432_channels;
@@ -122,7 +122,7 @@ MODULE_DEVICE_TABLE(of, max5432_dt_ids);
 static struct i2c_driver max5432_driver = {
        .driver = {
                .name = "max5432",
-               .of_match_table = of_match_ptr(max5432_dt_ids),
+               .of_match_table = max5432_dt_ids,
        },
        .probe = max5432_probe,
 };