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

Konrad Dybcio
2023-02-03T02:53:27Z

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@vger.kernel.org # 5.17
> Cc: Yassine Oudjana <y.oudjana@protonmail.com>
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>

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;
> }