iio: light: opt3001: Add mod_devicetable.h and drop use of of_match_ptr

Enables probing via ACPI PRP0001 but mostly about removing examples
that might be copied to new drivers.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>

diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c
index 92004a2..82abfa5 100644 (file)
--- a/drivers/iio/light/opt3001.c
+++ b/drivers/iio/light/opt3001.c
@@ -16,6 +16,7 @@
 #include <linux/irq.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/mod_devicetable.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
 #include <linux/types.h>
@@ -844,7 +845,7 @@ static struct i2c_driver opt3001_driver = {
 
        .driver = {
                .name = "opt3001",
-               .of_match_table = of_match_ptr(opt3001_of_match),
+               .of_match_table = opt3001_of_match,
        },
 };