iio: magn: ak8975: fix unnecessary casting between char* and const char*
Use const char* instead of casting const char* to char*.
Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index a235792..bf5ef07 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -477,8 +477,8 @@
};
MODULE_DEVICE_TABLE(acpi, ak_acpi_match);
-static char *ak8975_match_acpi_device(struct device *dev,
- enum asahi_compass_chipset *chipset)
+static const char *ak8975_match_acpi_device(struct device *dev,
+ enum asahi_compass_chipset *chipset)
{
const struct acpi_device_id *id;
@@ -487,7 +487,7 @@
return NULL;
*chipset = (int)id->driver_data;
- return (char *)dev_name(dev);
+ return dev_name(dev);
}
static int ak8975_probe(struct i2c_client *client,
@@ -497,7 +497,7 @@
struct iio_dev *indio_dev;
int eoc_gpio;
int err;
- char *name = NULL;
+ const char *name = NULL;
/* Grab and set up the supplied GPIO. */
if (client->dev.platform_data)
@@ -539,7 +539,7 @@
if (id) {
data->chipset =
(enum asahi_compass_chipset)(id->driver_data);
- name = (char *) id->name;
+ name = id->name;
} else if (ACPI_HANDLE(&client->dev))
name = ak8975_match_acpi_device(&client->dev, &data->chipset);
else
