Re: [PATCH 07/23] interconnect: qcom: rpm: fix probe PM domain error handling

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On 1.02.2023 11:15, Johan Hovold wrote:
> Make sure to disable clocks also in case attaching the power domain
> fails.
> 
> Fixes: 7de109c0abe9 ("interconnect: icc-rpm: Add support for bus power domain")
> Cc: stable@xxxxxxxxxxxxxxx      # 5.17
> Cc: Yassine Oudjana <y.oudjana@xxxxxxxxxxxxxx>
> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad
>  drivers/interconnect/qcom/icc-rpm.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
> index 91778cfcbc65..da595059cafd 100644
> --- a/drivers/interconnect/qcom/icc-rpm.c
> +++ b/drivers/interconnect/qcom/icc-rpm.c
> @@ -498,8 +498,7 @@ int qnoc_probe(struct platform_device *pdev)
>  
>  	if (desc->has_bus_pd) {
>  		ret = dev_pm_domain_attach(dev, true);
> -		if (ret)
> -			return ret;
> +		goto err_disable_clks;
>  	}
>  
>  	provider = &qp->provider;
> @@ -514,8 +513,7 @@ int qnoc_probe(struct platform_device *pdev)
>  	ret = icc_provider_add(provider);
>  	if (ret) {
>  		dev_err(dev, "error adding interconnect provider: %d\n", ret);
> -		clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
> -		return ret;
> +		goto err_disable_clks;
>  	}
>  
>  	for (i = 0; i < num_nodes; i++) {
> @@ -550,8 +548,9 @@ int qnoc_probe(struct platform_device *pdev)
>  	return 0;
>  err:
>  	icc_nodes_remove(provider);
> -	clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
>  	icc_provider_del(provider);
> +err_disable_clks:
> +	clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
>  
>  	return ret;
>  }



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