iio:magn:ak8975: Suppress clang W=1 warning about pointer to enum conversion.

Cast to a uintptr_t rather than directly to the enum.

As per the discussion in below linked media patch.

Link: https://lore.kernel.org/linux-media/CAK8P3a2ez6nEw4d+Mqa3XXAz0RFTZHunqqRj6sCt7Y_Eqqs0rw@mail.gmail.com/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Jonathan Albrieux <jonathan.albrieux@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20211128172445.2616166-10-jic23@kernel.org

diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index 6e82dc54a417d0806ecc7c57ba4faa6a7734e35e..55879a20ae52eeb000f6c59d01b5c18ad2606a35 100644 (file)
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -929,7 +929,7 @@ static int ak8975_probe(struct i2c_client *client,
        /* id will be NULL when enumerated via ACPI */
        match = device_get_match_data(&client->dev);
        if (match) {
-               chipset = (enum asahi_compass_chipset)(match);
+               chipset = (uintptr_t)match;
                name = dev_name(&client->dev);
        } else if (id) {
                chipset = (enum asahi_compass_chipset)(id->driver_data);