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Code Issues Releases Wiki Activity

clk: qcom: q6sstop-qcs404: fix missing resume during probe

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Drivers that enable runtime PM must make sure that the controller is
runtime resumed before accessing its registers to prevent the power
domain from being disabled.

Fixes: 6cdef2738d ("clk: qcom: Add Q6SSTOP clock controller for QCS404")
Cc: stable@vger.kernel.org      # 5.5
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230718132902.21430-7-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Johan Hovold 2023-07-18 15:29:00 +02:00 committed by Bjorn Andersson
parent 66af5339d4
commit 97112c83f4
1 changed files with 13 additions and 2 deletions
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15
drivers/clk/qcom/q6sstop-qcs404.c
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@ -174,21 +174,32 @@ static int q6sstopcc_qcs404_probe(struct platform_device *pdev)
return ret;
}
ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret)
return ret;
q6sstop_regmap_config.name = "q6sstop_tcsr";
desc = &tcsr_qcs404_desc;
ret = qcom_cc_probe_by_index(pdev, 1, desc);
if (ret)
return ret;
goto err_put_rpm;
q6sstop_regmap_config.name = "q6sstop_cc";
desc = &q6sstop_qcs404_desc;
ret = qcom_cc_probe_by_index(pdev, 0, desc);
if (ret)
return ret;
goto err_put_rpm;
pm_runtime_put(&pdev->dev);
return 0;
err_put_rpm:
pm_runtime_put_sync(&pdev->dev);
return ret;
}
static const struct dev_pm_ops q6sstopcc_pm_ops = {