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clk: qcom: turingcc-qcs404: fix missing resume during probe
commita9f71a0335
upstream. 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:892df0191b
("clk: qcom: Add QCS404 TuringCC") Cc: stable@vger.kernel.org # 5.2 Cc: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Link: https://lore.kernel.org/r/20230718132902.21430-9-johan+linaro@kernel.org Signed-off-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 13 additions and 2 deletions
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@ -125,11 +125,22 @@ static int turingcc_probe(struct platform_device *pdev)
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return ret;
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}
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ret = qcom_cc_probe(pdev, &turingcc_desc);
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if (ret < 0)
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ret = pm_runtime_resume_and_get(&pdev->dev);
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if (ret)
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return ret;
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ret = qcom_cc_probe(pdev, &turingcc_desc);
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if (ret < 0)
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goto err_put_rpm;
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pm_runtime_put(&pdev->dev);
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return 0;
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err_put_rpm:
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pm_runtime_put_sync(&pdev->dev);
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return ret;
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}
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static const struct dev_pm_ops turingcc_pm_ops = {
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