slimbus: ngd: register ngd driver only once.

[ Upstream commit 1830dad34c070161fda2ff1db77b39ffa78aa380 ]

Move ngd platform driver out of loop so that it registers only once.
Signed-off-by: NSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>

drivers/slimbus/qcom-ngd-ctrl.c

@@ -1346,7 +1346,6 @@ static int of_qcom_slim_ngd_register(struct device *parent,
 		ngd->base = ctrl->base + ngd->id * data->offset +
 					(ngd->id - 1) * data->size;
 		ctrl->ngd = ngd;
-		platform_driver_register(&qcom_slim_ngd_driver);
 
 		return 0;
 	}
@@ -1445,6 +1444,7 @@ static int qcom_slim_ngd_ctrl_probe(struct platform_device *pdev)
 	init_completion(&ctrl->reconf);
 	init_completion(&ctrl->qmi.qmi_comp);
 
+	platform_driver_register(&qcom_slim_ngd_driver);
 	return of_qcom_slim_ngd_register(dev, ctrl);
 }