iio:magn:ak8974: Drop of_match_ptr protection

This prevents use of this driver with ACPI via PRP0001 and is
an example of an anti pattern I'm trying to remove from IIO.
Hence drop from this driver.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20200910173242.621168-36-jic23@kernel.org

diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c
index 7cd9768fbcb2a478582f2f1591894badc3c3b5c1..df5131cf28a9ee2151331173470b0fe5af4e3629 100644 (file)
--- a/drivers/iio/magnetometer/ak8974.c
+++ b/drivers/iio/magnetometer/ak8974.c
@@ -12,6 +12,7 @@
  * Author: Linus Walleij <linus.walleij@linaro.org>
  */
 #include <linux/module.h>
+#include <linux/mod_devicetable.h>
 #include <linux/kernel.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
@@ -1051,7 +1052,7 @@ static struct i2c_driver ak8974_driver = {
        .driver  = {
                .name   = "ak8974",
                .pm = &ak8974_dev_pm_ops,
-               .of_match_table = of_match_ptr(ak8974_of_match),
+               .of_match_table = ak8974_of_match,
        },
        .probe    = ak8974_probe,
        .remove   = ak8974_remove,