On Tue 2019-11-19 06:19:09, Greg Kroah-Hartman wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> 
> [ Upstream commit 1830dad34c070161fda2ff1db77b39ffa78aa380 ]
> 
> Move ngd platform driver out of loop so that it registers only once.

AFAICT driver_register is immediately followed by "return", so it was
already registered only once before you patched it.

I don't think this should be in stable.

Best regards,
								Pavel

> +++ b/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);
>  }
>  

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