iio: potentiometer: mcp4018: use the correct MODULE_LICENSE

The file is GPL v2 only.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/potentiometer/mcp4018.c b/drivers/iio/potentiometer/mcp4018.c
index c051ee06709f47fe397b53883f19c080e77c68ca..62151b2a2b12db798155344995b7e9657fc25c9f 100644 (file)
--- a/drivers/iio/potentiometer/mcp4018.c
+++ b/drivers/iio/potentiometer/mcp4018.c
@@ -187,4 +187,4 @@ module_i2c_driver(mcp4018_driver);
 
 MODULE_AUTHOR("Peter Rosin <peda@axentia.se>");
 MODULE_DESCRIPTION("MCP4018 digital potentiometer");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");