platform/chrome: unregister platform driver/device when module exit

We have registered platform driver and device when module
init, and need unregister them when module exit.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
index 446ef0f9c256b871ee53bf2a6c929f436b0d284b..7f3aad0e115c49f4c2ea85c149dace0e901620ce 100644 (file)
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@@ -511,6 +511,9 @@ static void __exit chromeos_laptop_exit(void)
                i2c_unregister_device(tp);
        if (ts)
                i2c_unregister_device(ts);
+
+       platform_device_unregister(cros_platform_device);
+       platform_driver_unregister(&cros_platform_driver);
 }
 
 module_init(chromeos_laptop_init);